django-rest-framework/htmlcov/rest_framework_fields.html

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<title>Coverage for rest_framework/fields: 87%</title>
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<h1>Coverage for <b>rest_framework/fields</b> :
<span class='pc_cov'>87%</span>
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594 statements
<span class='run hide_run shortkey_r' onclick='coverage.toggle_lines(this, "run")'>514 run</span>
<span class='mis shortkey_m' onclick='coverage.toggle_lines(this, "mis")'>80 missing</span>
<span class='exc shortkey_x' onclick='coverage.toggle_lines(this, "exc")'>0 excluded</span>
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<p id='n247' class='stm run hide_run'><a href='#n247'>247</a></p>
<p id='n248' class='pln'><a href='#n248'>248</a></p>
<p id='n249' class='stm run hide_run'><a href='#n249'>249</a></p>
<p id='n250' class='stm run hide_run'><a href='#n250'>250</a></p>
<p id='n251' class='pln'><a href='#n251'>251</a></p>
<p id='n252' class='pln'><a href='#n252'>252</a></p>
<p id='n253' class='stm run hide_run'><a href='#n253'>253</a></p>
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<p id='n256' class='stm run hide_run'><a href='#n256'>256</a></p>
<p id='n257' class='pln'><a href='#n257'>257</a></p>
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<p id='n262' class='stm run hide_run'><a href='#n262'>262</a></p>
<p id='n263' class='pln'><a href='#n263'>263</a></p>
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<p id='n265' class='stm run hide_run'><a href='#n265'>265</a></p>
<p id='n266' class='stm run hide_run'><a href='#n266'>266</a></p>
<p id='n267' class='pln'><a href='#n267'>267</a></p>
<p id='n268' class='stm run hide_run'><a href='#n268'>268</a></p>
<p id='n269' class='stm run hide_run'><a href='#n269'>269</a></p>
<p id='n270' class='stm run hide_run'><a href='#n270'>270</a></p>
<p id='n271' class='stm run hide_run'><a href='#n271'>271</a></p>
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<p id='n273' class='stm run hide_run'><a href='#n273'>273</a></p>
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<p id='n276' class='stm run hide_run'><a href='#n276'>276</a></p>
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<p id='n278' class='stm run hide_run'><a href='#n278'>278</a></p>
<p id='n279' class='stm run hide_run'><a href='#n279'>279</a></p>
<p id='n280' class='stm run hide_run'><a href='#n280'>280</a></p>
<p id='n281' class='pln'><a href='#n281'>281</a></p>
<p id='n282' class='stm run hide_run'><a href='#n282'>282</a></p>
<p id='n283' class='stm run hide_run'><a href='#n283'>283</a></p>
<p id='n284' class='stm run hide_run'><a href='#n284'>284</a></p>
<p id='n285' class='pln'><a href='#n285'>285</a></p>
<p id='n286' class='stm run hide_run'><a href='#n286'>286</a></p>
<p id='n287' class='pln'><a href='#n287'>287</a></p>
<p id='n288' class='pln'><a href='#n288'>288</a></p>
<p id='n289' class='pln'><a href='#n289'>289</a></p>
<p id='n290' class='pln'><a href='#n290'>290</a></p>
<p id='n291' class='stm run hide_run'><a href='#n291'>291</a></p>
<p id='n292' class='stm run hide_run'><a href='#n292'>292</a></p>
<p id='n293' class='pln'><a href='#n293'>293</a></p>
<p id='n294' class='stm run hide_run'><a href='#n294'>294</a></p>
<p id='n295' class='stm run hide_run'><a href='#n295'>295</a></p>
<p id='n296' class='stm run hide_run'><a href='#n296'>296</a></p>
<p id='n297' class='stm run hide_run'><a href='#n297'>297</a></p>
<p id='n298' class='pln'><a href='#n298'>298</a></p>
<p id='n299' class='stm run hide_run'><a href='#n299'>299</a></p>
<p id='n300' class='stm run hide_run'><a href='#n300'>300</a></p>
<p id='n301' class='stm run hide_run'><a href='#n301'>301</a></p>
<p id='n302' class='pln'><a href='#n302'>302</a></p>
<p id='n303' class='stm run hide_run'><a href='#n303'>303</a></p>
<p id='n304' class='stm run hide_run'><a href='#n304'>304</a></p>
<p id='n305' class='pln'><a href='#n305'>305</a></p>
<p id='n306' class='stm run hide_run'><a href='#n306'>306</a></p>
<p id='n307' class='pln'><a href='#n307'>307</a></p>
<p id='n308' class='stm run hide_run'><a href='#n308'>308</a></p>
<p id='n309' class='stm run hide_run'><a href='#n309'>309</a></p>
<p id='n310' class='stm run hide_run'><a href='#n310'>310</a></p>
<p id='n311' class='pln'><a href='#n311'>311</a></p>
<p id='n312' class='stm run hide_run'><a href='#n312'>312</a></p>
<p id='n313' class='stm run hide_run'><a href='#n313'>313</a></p>
<p id='n314' class='stm mis'><a href='#n314'>314</a></p>
<p id='n315' class='stm mis'><a href='#n315'>315</a></p>
<p id='n316' class='pln'><a href='#n316'>316</a></p>
<p id='n317' class='stm run hide_run'><a href='#n317'>317</a></p>
<p id='n318' class='stm run hide_run'><a href='#n318'>318</a></p>
<p id='n319' class='stm run hide_run'><a href='#n319'>319</a></p>
<p id='n320' class='pln'><a href='#n320'>320</a></p>
<p id='n321' class='stm run hide_run'><a href='#n321'>321</a></p>
<p id='n322' class='pln'><a href='#n322'>322</a></p>
<p id='n323' class='pln'><a href='#n323'>323</a></p>
<p id='n324' class='pln'><a href='#n324'>324</a></p>
<p id='n325' class='stm run hide_run'><a href='#n325'>325</a></p>
<p id='n326' class='pln'><a href='#n326'>326</a></p>
<p id='n327' class='pln'><a href='#n327'>327</a></p>
<p id='n328' class='stm run hide_run'><a href='#n328'>328</a></p>
<p id='n329' class='pln'><a href='#n329'>329</a></p>
<p id='n330' class='pln'><a href='#n330'>330</a></p>
<p id='n331' class='pln'><a href='#n331'>331</a></p>
<p id='n332' class='stm run hide_run'><a href='#n332'>332</a></p>
<p id='n333' class='stm run hide_run'><a href='#n333'>333</a></p>
<p id='n334' class='stm run hide_run'><a href='#n334'>334</a></p>
<p id='n335' class='stm mis'><a href='#n335'>335</a></p>
<p id='n336' class='stm mis'><a href='#n336'>336</a></p>
<p id='n337' class='pln'><a href='#n337'>337</a></p>
<p id='n338' class='stm run hide_run'><a href='#n338'>338</a></p>
<p id='n339' class='pln'><a href='#n339'>339</a></p>
<p id='n340' class='stm run hide_run'><a href='#n340'>340</a></p>
<p id='n341' class='pln'><a href='#n341'>341</a></p>
<p id='n342' class='stm run hide_run'><a href='#n342'>342</a></p>
<p id='n343' class='pln'><a href='#n343'>343</a></p>
<p id='n344' class='stm run hide_run'><a href='#n344'>344</a></p>
<p id='n345' class='pln'><a href='#n345'>345</a></p>
<p id='n346' class='pln'><a href='#n346'>346</a></p>
<p id='n347' class='stm run hide_run'><a href='#n347'>347</a></p>
<p id='n348' class='pln'><a href='#n348'>348</a></p>
<p id='n349' class='stm run hide_run'><a href='#n349'>349</a></p>
<p id='n350' class='stm mis'><a href='#n350'>350</a></p>
<p id='n351' class='stm run hide_run'><a href='#n351'>351</a></p>
<p id='n352' class='stm run hide_run'><a href='#n352'>352</a></p>
<p id='n353' class='stm run hide_run'><a href='#n353'>353</a></p>
<p id='n354' class='stm run hide_run'><a href='#n354'>354</a></p>
<p id='n355' class='stm run hide_run'><a href='#n355'>355</a></p>
<p id='n356' class='stm mis'><a href='#n356'>356</a></p>
<p id='n357' class='pln'><a href='#n357'>357</a></p>
<p id='n358' class='stm run hide_run'><a href='#n358'>358</a></p>
<p id='n359' class='stm run hide_run'><a href='#n359'>359</a></p>
<p id='n360' class='stm run hide_run'><a href='#n360'>360</a></p>
<p id='n361' class='stm mis'><a href='#n361'>361</a></p>
<p id='n362' class='pln'><a href='#n362'>362</a></p>
<p id='n363' class='stm run hide_run'><a href='#n363'>363</a></p>
<p id='n364' class='pln'><a href='#n364'>364</a></p>
<p id='n365' class='stm run hide_run'><a href='#n365'>365</a></p>
<p id='n366' class='stm run hide_run'><a href='#n366'>366</a></p>
<p id='n367' class='stm run hide_run'><a href='#n367'>367</a></p>
<p id='n368' class='stm run hide_run'><a href='#n368'>368</a></p>
<p id='n369' class='stm mis'><a href='#n369'>369</a></p>
<p id='n370' class='pln'><a href='#n370'>370</a></p>
<p id='n371' class='stm run hide_run'><a href='#n371'>371</a></p>
<p id='n372' class='stm mis'><a href='#n372'>372</a></p>
<p id='n373' class='pln'><a href='#n373'>373</a></p>
<p id='n374' class='pln'><a href='#n374'>374</a></p>
<p id='n375' class='pln'><a href='#n375'>375</a></p>
<p id='n376' class='pln'><a href='#n376'>376</a></p>
<p id='n377' class='pln'><a href='#n377'>377</a></p>
<p id='n378' class='pln'><a href='#n378'>378</a></p>
<p id='n379' class='stm run hide_run'><a href='#n379'>379</a></p>
<p id='n380' class='stm run hide_run'><a href='#n380'>380</a></p>
<p id='n381' class='stm run hide_run'><a href='#n381'>381</a></p>
<p id='n382' class='stm run hide_run'><a href='#n382'>382</a></p>
<p id='n383' class='stm run hide_run'><a href='#n383'>383</a></p>
<p id='n384' class='stm run hide_run'><a href='#n384'>384</a></p>
<p id='n385' class='pln'><a href='#n385'>385</a></p>
<p id='n386' class='pln'><a href='#n386'>386</a></p>
<p id='n387' class='stm run hide_run'><a href='#n387'>387</a></p>
<p id='n388' class='pln'><a href='#n388'>388</a></p>
<p id='n389' class='pln'><a href='#n389'>389</a></p>
<p id='n390' class='pln'><a href='#n390'>390</a></p>
<p id='n391' class='pln'><a href='#n391'>391</a></p>
<p id='n392' class='stm run hide_run'><a href='#n392'>392</a></p>
<p id='n393' class='pln'><a href='#n393'>393</a></p>
<p id='n394' class='stm run hide_run'><a href='#n394'>394</a></p>
<p id='n395' class='stm run hide_run'><a href='#n395'>395</a></p>
<p id='n396' class='stm mis'><a href='#n396'>396</a></p>
<p id='n397' class='stm run hide_run'><a href='#n397'>397</a></p>
<p id='n398' class='stm mis'><a href='#n398'>398</a></p>
<p id='n399' class='stm run hide_run'><a href='#n399'>399</a></p>
<p id='n400' class='pln'><a href='#n400'>400</a></p>
<p id='n401' class='pln'><a href='#n401'>401</a></p>
<p id='n402' class='stm run hide_run'><a href='#n402'>402</a></p>
<p id='n403' class='stm run hide_run'><a href='#n403'>403</a></p>
<p id='n404' class='stm run hide_run'><a href='#n404'>404</a></p>
<p id='n405' class='stm run hide_run'><a href='#n405'>405</a></p>
<p id='n406' class='pln'><a href='#n406'>406</a></p>
<p id='n407' class='stm run hide_run'><a href='#n407'>407</a></p>
<p id='n408' class='stm run hide_run'><a href='#n408'>408</a></p>
<p id='n409' class='stm run hide_run'><a href='#n409'>409</a></p>
<p id='n410' class='stm run hide_run'><a href='#n410'>410</a></p>
<p id='n411' class='stm mis'><a href='#n411'>411</a></p>
<p id='n412' class='stm run hide_run'><a href='#n412'>412</a></p>
<p id='n413' class='stm run hide_run'><a href='#n413'>413</a></p>
<p id='n414' class='pln'><a href='#n414'>414</a></p>
<p id='n415' class='stm run hide_run'><a href='#n415'>415</a></p>
<p id='n416' class='stm run hide_run'><a href='#n416'>416</a></p>
<p id='n417' class='stm run hide_run'><a href='#n417'>417</a></p>
<p id='n418' class='stm mis'><a href='#n418'>418</a></p>
<p id='n419' class='pln'><a href='#n419'>419</a></p>
<p id='n420' class='pln'><a href='#n420'>420</a></p>
<p id='n421' class='stm run hide_run'><a href='#n421'>421</a></p>
<p id='n422' class='stm run hide_run'><a href='#n422'>422</a></p>
<p id='n423' class='stm run hide_run'><a href='#n423'>423</a></p>
<p id='n424' class='pln'><a href='#n424'>424</a></p>
<p id='n425' class='stm run hide_run'><a href='#n425'>425</a></p>
<p id='n426' class='stm run hide_run'><a href='#n426'>426</a></p>
<p id='n427' class='stm run hide_run'><a href='#n427'>427</a></p>
<p id='n428' class='pln'><a href='#n428'>428</a></p>
<p id='n429' class='pln'><a href='#n429'>429</a></p>
<p id='n430' class='stm run hide_run'><a href='#n430'>430</a></p>
<p id='n431' class='stm run hide_run'><a href='#n431'>431</a></p>
<p id='n432' class='stm run hide_run'><a href='#n432'>432</a></p>
<p id='n433' class='stm run hide_run'><a href='#n433'>433</a></p>
<p id='n434' class='pln'><a href='#n434'>434</a></p>
<p id='n435' class='stm run hide_run'><a href='#n435'>435</a></p>
<p id='n436' class='pln'><a href='#n436'>436</a></p>
<p id='n437' class='pln'><a href='#n437'>437</a></p>
<p id='n438' class='pln'><a href='#n438'>438</a></p>
<p id='n439' class='stm run hide_run'><a href='#n439'>439</a></p>
<p id='n440' class='pln'><a href='#n440'>440</a></p>
<p id='n441' class='stm run hide_run'><a href='#n441'>441</a></p>
<p id='n442' class='stm run hide_run'><a href='#n442'>442</a></p>
<p id='n443' class='pln'><a href='#n443'>443</a></p>
<p id='n444' class='pln'><a href='#n444'>444</a></p>
<p id='n445' class='stm run hide_run'><a href='#n445'>445</a></p>
<p id='n446' class='stm run hide_run'><a href='#n446'>446</a></p>
<p id='n447' class='stm run hide_run'><a href='#n447'>447</a></p>
<p id='n448' class='stm run hide_run'><a href='#n448'>448</a></p>
<p id='n449' class='stm run hide_run'><a href='#n449'>449</a></p>
<p id='n450' class='stm run hide_run'><a href='#n450'>450</a></p>
<p id='n451' class='pln'><a href='#n451'>451</a></p>
<p id='n452' class='pln'><a href='#n452'>452</a></p>
<p id='n453' class='pln'><a href='#n453'>453</a></p>
<p id='n454' class='pln'><a href='#n454'>454</a></p>
<p id='n455' class='stm run hide_run'><a href='#n455'>455</a></p>
<p id='n456' class='stm run hide_run'><a href='#n456'>456</a></p>
<p id='n457' class='stm run hide_run'><a href='#n457'>457</a></p>
<p id='n458' class='stm run hide_run'><a href='#n458'>458</a></p>
<p id='n459' class='stm run hide_run'><a href='#n459'>459</a></p>
<p id='n460' class='pln'><a href='#n460'>460</a></p>
<p id='n461' class='stm run hide_run'><a href='#n461'>461</a></p>
<p id='n462' class='stm run hide_run'><a href='#n462'>462</a></p>
<p id='n463' class='pln'><a href='#n463'>463</a></p>
<p id='n464' class='stm run hide_run'><a href='#n464'>464</a></p>
<p id='n465' class='pln'><a href='#n465'>465</a></p>
<p id='n466' class='pln'><a href='#n466'>466</a></p>
<p id='n467' class='pln'><a href='#n467'>467</a></p>
<p id='n468' class='stm run hide_run'><a href='#n468'>468</a></p>
<p id='n469' class='pln'><a href='#n469'>469</a></p>
<p id='n470' class='stm run hide_run'><a href='#n470'>470</a></p>
<p id='n471' class='pln'><a href='#n471'>471</a></p>
<p id='n472' class='stm run hide_run'><a href='#n472'>472</a></p>
<p id='n473' class='pln'><a href='#n473'>473</a></p>
<p id='n474' class='pln'><a href='#n474'>474</a></p>
<p id='n475' class='pln'><a href='#n475'>475</a></p>
<p id='n476' class='stm run hide_run'><a href='#n476'>476</a></p>
<p id='n477' class='stm run hide_run'><a href='#n477'>477</a></p>
<p id='n478' class='stm mis'><a href='#n478'>478</a></p>
<p id='n479' class='pln'><a href='#n479'>479</a></p>
<p id='n480' class='stm run hide_run'><a href='#n480'>480</a></p>
<p id='n481' class='pln'><a href='#n481'>481</a></p>
<p id='n482' class='pln'><a href='#n482'>482</a></p>
<p id='n483' class='pln'><a href='#n483'>483</a></p>
<p id='n484' class='stm run hide_run'><a href='#n484'>484</a></p>
<p id='n485' class='stm run hide_run'><a href='#n485'>485</a></p>
<p id='n486' class='pln'><a href='#n486'>486</a></p>
<p id='n487' class='stm mis'><a href='#n487'>487</a></p>
<p id='n488' class='stm mis'><a href='#n488'>488</a></p>
<p id='n489' class='stm mis'><a href='#n489'>489</a></p>
<p id='n490' class='pln'><a href='#n490'>490</a></p>
<p id='n491' class='stm run hide_run'><a href='#n491'>491</a></p>
<p id='n492' class='stm run hide_run'><a href='#n492'>492</a></p>
<p id='n493' class='stm mis'><a href='#n493'>493</a></p>
<p id='n494' class='pln'><a href='#n494'>494</a></p>
<p id='n495' class='pln'><a href='#n495'>495</a></p>
<p id='n496' class='stm run hide_run'><a href='#n496'>496</a></p>
<p id='n497' class='stm run hide_run'><a href='#n497'>497</a></p>
<p id='n498' class='stm run hide_run'><a href='#n498'>498</a></p>
<p id='n499' class='stm run hide_run'><a href='#n499'>499</a></p>
<p id='n500' class='pln'><a href='#n500'>500</a></p>
<p id='n501' class='stm run hide_run'><a href='#n501'>501</a></p>
<p id='n502' class='pln'><a href='#n502'>502</a></p>
<p id='n503' class='pln'><a href='#n503'>503</a></p>
<p id='n504' class='stm run hide_run'><a href='#n504'>504</a></p>
<p id='n505' class='pln'><a href='#n505'>505</a></p>
<p id='n506' class='stm run hide_run'><a href='#n506'>506</a></p>
<p id='n507' class='stm run hide_run'><a href='#n507'>507</a></p>
<p id='n508' class='stm run hide_run'><a href='#n508'>508</a></p>
<p id='n509' class='stm mis'><a href='#n509'>509</a></p>
<p id='n510' class='stm run hide_run'><a href='#n510'>510</a></p>
<p id='n511' class='pln'><a href='#n511'>511</a></p>
<p id='n512' class='pln'><a href='#n512'>512</a></p>
<p id='n513' class='stm run hide_run'><a href='#n513'>513</a></p>
<p id='n514' class='stm run hide_run'><a href='#n514'>514</a></p>
<p id='n515' class='stm run hide_run'><a href='#n515'>515</a></p>
<p id='n516' class='stm run hide_run'><a href='#n516'>516</a></p>
<p id='n517' class='pln'><a href='#n517'>517</a></p>
<p id='n518' class='stm run hide_run'><a href='#n518'>518</a></p>
<p id='n519' class='stm run hide_run'><a href='#n519'>519</a></p>
<p id='n520' class='stm run hide_run'><a href='#n520'>520</a></p>
<p id='n521' class='pln'><a href='#n521'>521</a></p>
<p id='n522' class='stm run hide_run'><a href='#n522'>522</a></p>
<p id='n523' class='stm mis'><a href='#n523'>523</a></p>
<p id='n524' class='pln'><a href='#n524'>524</a></p>
<p id='n525' class='stm run hide_run'><a href='#n525'>525</a></p>
<p id='n526' class='stm run hide_run'><a href='#n526'>526</a></p>
<p id='n527' class='stm run hide_run'><a href='#n527'>527</a></p>
<p id='n528' class='stm run hide_run'><a href='#n528'>528</a></p>
<p id='n529' class='stm run hide_run'><a href='#n529'>529</a></p>
<p id='n530' class='stm mis'><a href='#n530'>530</a></p>
<p id='n531' class='stm run hide_run'><a href='#n531'>531</a></p>
<p id='n532' class='stm run hide_run'><a href='#n532'>532</a></p>
<p id='n533' class='pln'><a href='#n533'>533</a></p>
<p id='n534' class='stm run hide_run'><a href='#n534'>534</a></p>
<p id='n535' class='pln'><a href='#n535'>535</a></p>
<p id='n536' class='pln'><a href='#n536'>536</a></p>
<p id='n537' class='stm run hide_run'><a href='#n537'>537</a></p>
<p id='n538' class='stm run hide_run'><a href='#n538'>538</a></p>
<p id='n539' class='stm run hide_run'><a href='#n539'>539</a></p>
<p id='n540' class='stm run hide_run'><a href='#n540'>540</a></p>
<p id='n541' class='stm run hide_run'><a href='#n541'>541</a></p>
<p id='n542' class='pln'><a href='#n542'>542</a></p>
<p id='n543' class='stm run hide_run'><a href='#n543'>543</a></p>
<p id='n544' class='pln'><a href='#n544'>544</a></p>
<p id='n545' class='pln'><a href='#n545'>545</a></p>
<p id='n546' class='stm run hide_run'><a href='#n546'>546</a></p>
<p id='n547' class='stm run hide_run'><a href='#n547'>547</a></p>
<p id='n548' class='stm run hide_run'><a href='#n548'>548</a></p>
<p id='n549' class='pln'><a href='#n549'>549</a></p>
<p id='n550' class='stm run hide_run'><a href='#n550'>550</a></p>
<p id='n551' class='stm run hide_run'><a href='#n551'>551</a></p>
<p id='n552' class='stm run hide_run'><a href='#n552'>552</a></p>
<p id='n553' class='stm run hide_run'><a href='#n553'>553</a></p>
<p id='n554' class='pln'><a href='#n554'>554</a></p>
<p id='n555' class='stm run hide_run'><a href='#n555'>555</a></p>
<p id='n556' class='stm run hide_run'><a href='#n556'>556</a></p>
<p id='n557' class='stm run hide_run'><a href='#n557'>557</a></p>
<p id='n558' class='pln'><a href='#n558'>558</a></p>
<p id='n559' class='stm run hide_run'><a href='#n559'>559</a></p>
<p id='n560' class='stm mis'><a href='#n560'>560</a></p>
<p id='n561' class='pln'><a href='#n561'>561</a></p>
<p id='n562' class='pln'><a href='#n562'>562</a></p>
<p id='n563' class='stm mis'><a href='#n563'>563</a></p>
<p id='n564' class='stm mis'><a href='#n564'>564</a></p>
<p id='n565' class='stm mis'><a href='#n565'>565</a></p>
<p id='n566' class='stm run hide_run'><a href='#n566'>566</a></p>
<p id='n567' class='stm run hide_run'><a href='#n567'>567</a></p>
<p id='n568' class='pln'><a href='#n568'>568</a></p>
<p id='n569' class='stm run hide_run'><a href='#n569'>569</a></p>
<p id='n570' class='stm run hide_run'><a href='#n570'>570</a></p>
<p id='n571' class='stm run hide_run'><a href='#n571'>571</a></p>
<p id='n572' class='stm run hide_run'><a href='#n572'>572</a></p>
<p id='n573' class='stm run hide_run'><a href='#n573'>573</a></p>
<p id='n574' class='stm run hide_run'><a href='#n574'>574</a></p>
<p id='n575' class='pln'><a href='#n575'>575</a></p>
<p id='n576' class='stm run hide_run'><a href='#n576'>576</a></p>
<p id='n577' class='stm run hide_run'><a href='#n577'>577</a></p>
<p id='n578' class='pln'><a href='#n578'>578</a></p>
<p id='n579' class='stm run hide_run'><a href='#n579'>579</a></p>
<p id='n580' class='stm run hide_run'><a href='#n580'>580</a></p>
<p id='n581' class='stm run hide_run'><a href='#n581'>581</a></p>
<p id='n582' class='stm run hide_run'><a href='#n582'>582</a></p>
<p id='n583' class='pln'><a href='#n583'>583</a></p>
<p id='n584' class='stm run hide_run'><a href='#n584'>584</a></p>
<p id='n585' class='pln'><a href='#n585'>585</a></p>
<p id='n586' class='stm run hide_run'><a href='#n586'>586</a></p>
<p id='n587' class='stm run hide_run'><a href='#n587'>587</a></p>
<p id='n588' class='pln'><a href='#n588'>588</a></p>
<p id='n589' class='stm run hide_run'><a href='#n589'>589</a></p>
<p id='n590' class='stm run hide_run'><a href='#n590'>590</a></p>
<p id='n591' class='stm run hide_run'><a href='#n591'>591</a></p>
<p id='n592' class='pln'><a href='#n592'>592</a></p>
<p id='n593' class='stm run hide_run'><a href='#n593'>593</a></p>
<p id='n594' class='stm mis'><a href='#n594'>594</a></p>
<p id='n595' class='pln'><a href='#n595'>595</a></p>
<p id='n596' class='stm run hide_run'><a href='#n596'>596</a></p>
<p id='n597' class='stm run hide_run'><a href='#n597'>597</a></p>
<p id='n598' class='stm run hide_run'><a href='#n598'>598</a></p>
<p id='n599' class='pln'><a href='#n599'>599</a></p>
<p id='n600' class='pln'><a href='#n600'>600</a></p>
<p id='n601' class='stm run hide_run'><a href='#n601'>601</a></p>
<p id='n602' class='stm run hide_run'><a href='#n602'>602</a></p>
<p id='n603' class='stm run hide_run'><a href='#n603'>603</a></p>
<p id='n604' class='stm run hide_run'><a href='#n604'>604</a></p>
<p id='n605' class='stm run hide_run'><a href='#n605'>605</a></p>
<p id='n606' class='pln'><a href='#n606'>606</a></p>
<p id='n607' class='stm run hide_run'><a href='#n607'>607</a></p>
<p id='n608' class='pln'><a href='#n608'>608</a></p>
<p id='n609' class='pln'><a href='#n609'>609</a></p>
<p id='n610' class='stm run hide_run'><a href='#n610'>610</a></p>
<p id='n611' class='stm run hide_run'><a href='#n611'>611</a></p>
<p id='n612' class='stm run hide_run'><a href='#n612'>612</a></p>
<p id='n613' class='pln'><a href='#n613'>613</a></p>
<p id='n614' class='stm run hide_run'><a href='#n614'>614</a></p>
<p id='n615' class='stm run hide_run'><a href='#n615'>615</a></p>
<p id='n616' class='stm run hide_run'><a href='#n616'>616</a></p>
<p id='n617' class='stm run hide_run'><a href='#n617'>617</a></p>
<p id='n618' class='pln'><a href='#n618'>618</a></p>
<p id='n619' class='stm run hide_run'><a href='#n619'>619</a></p>
<p id='n620' class='stm run hide_run'><a href='#n620'>620</a></p>
<p id='n621' class='stm run hide_run'><a href='#n621'>621</a></p>
<p id='n622' class='pln'><a href='#n622'>622</a></p>
<p id='n623' class='stm run hide_run'><a href='#n623'>623</a></p>
<p id='n624' class='stm run hide_run'><a href='#n624'>624</a></p>
<p id='n625' class='stm run hide_run'><a href='#n625'>625</a></p>
<p id='n626' class='stm mis'><a href='#n626'>626</a></p>
<p id='n627' class='stm mis'><a href='#n627'>627</a></p>
<p id='n628' class='pln'><a href='#n628'>628</a></p>
<p id='n629' class='pln'><a href='#n629'>629</a></p>
<p id='n630' class='pln'><a href='#n630'>630</a></p>
<p id='n631' class='pln'><a href='#n631'>631</a></p>
<p id='n632' class='stm mis'><a href='#n632'>632</a></p>
<p id='n633' class='pln'><a href='#n633'>633</a></p>
<p id='n634' class='pln'><a href='#n634'>634</a></p>
<p id='n635' class='stm mis'><a href='#n635'>635</a></p>
<p id='n636' class='stm mis'><a href='#n636'>636</a></p>
<p id='n637' class='stm mis'><a href='#n637'>637</a></p>
<p id='n638' class='pln'><a href='#n638'>638</a></p>
<p id='n639' class='stm run hide_run'><a href='#n639'>639</a></p>
<p id='n640' class='stm run hide_run'><a href='#n640'>640</a></p>
<p id='n641' class='stm run hide_run'><a href='#n641'>641</a></p>
<p id='n642' class='stm run hide_run'><a href='#n642'>642</a></p>
<p id='n643' class='stm run hide_run'><a href='#n643'>643</a></p>
<p id='n644' class='stm run hide_run'><a href='#n644'>644</a></p>
<p id='n645' class='pln'><a href='#n645'>645</a></p>
<p id='n646' class='stm run hide_run'><a href='#n646'>646</a></p>
<p id='n647' class='stm run hide_run'><a href='#n647'>647</a></p>
<p id='n648' class='pln'><a href='#n648'>648</a></p>
<p id='n649' class='stm run hide_run'><a href='#n649'>649</a></p>
<p id='n650' class='stm run hide_run'><a href='#n650'>650</a></p>
<p id='n651' class='stm run hide_run'><a href='#n651'>651</a></p>
<p id='n652' class='stm run hide_run'><a href='#n652'>652</a></p>
<p id='n653' class='pln'><a href='#n653'>653</a></p>
<p id='n654' class='stm run hide_run'><a href='#n654'>654</a></p>
<p id='n655' class='pln'><a href='#n655'>655</a></p>
<p id='n656' class='stm run hide_run'><a href='#n656'>656</a></p>
<p id='n657' class='stm run hide_run'><a href='#n657'>657</a></p>
<p id='n658' class='pln'><a href='#n658'>658</a></p>
<p id='n659' class='stm run hide_run'><a href='#n659'>659</a></p>
<p id='n660' class='stm run hide_run'><a href='#n660'>660</a></p>
<p id='n661' class='stm run hide_run'><a href='#n661'>661</a></p>
<p id='n662' class='pln'><a href='#n662'>662</a></p>
<p id='n663' class='stm run hide_run'><a href='#n663'>663</a></p>
<p id='n664' class='stm run hide_run'><a href='#n664'>664</a></p>
<p id='n665' class='stm run hide_run'><a href='#n665'>665</a></p>
<p id='n666' class='stm mis'><a href='#n666'>666</a></p>
<p id='n667' class='stm run hide_run'><a href='#n667'>667</a></p>
<p id='n668' class='stm run hide_run'><a href='#n668'>668</a></p>
<p id='n669' class='pln'><a href='#n669'>669</a></p>
<p id='n670' class='pln'><a href='#n670'>670</a></p>
<p id='n671' class='stm run hide_run'><a href='#n671'>671</a></p>
<p id='n672' class='stm run hide_run'><a href='#n672'>672</a></p>
<p id='n673' class='stm run hide_run'><a href='#n673'>673</a></p>
<p id='n674' class='stm run hide_run'><a href='#n674'>674</a></p>
<p id='n675' class='stm run hide_run'><a href='#n675'>675</a></p>
<p id='n676' class='pln'><a href='#n676'>676</a></p>
<p id='n677' class='stm run hide_run'><a href='#n677'>677</a></p>
<p id='n678' class='pln'><a href='#n678'>678</a></p>
<p id='n679' class='pln'><a href='#n679'>679</a></p>
<p id='n680' class='stm run hide_run'><a href='#n680'>680</a></p>
<p id='n681' class='stm run hide_run'><a href='#n681'>681</a></p>
<p id='n682' class='stm run hide_run'><a href='#n682'>682</a></p>
<p id='n683' class='pln'><a href='#n683'>683</a></p>
<p id='n684' class='stm run hide_run'><a href='#n684'>684</a></p>
<p id='n685' class='stm run hide_run'><a href='#n685'>685</a></p>
<p id='n686' class='stm run hide_run'><a href='#n686'>686</a></p>
<p id='n687' class='stm run hide_run'><a href='#n687'>687</a></p>
<p id='n688' class='pln'><a href='#n688'>688</a></p>
<p id='n689' class='stm run hide_run'><a href='#n689'>689</a></p>
<p id='n690' class='stm run hide_run'><a href='#n690'>690</a></p>
<p id='n691' class='stm run hide_run'><a href='#n691'>691</a></p>
<p id='n692' class='pln'><a href='#n692'>692</a></p>
<p id='n693' class='stm run hide_run'><a href='#n693'>693</a></p>
<p id='n694' class='stm run hide_run'><a href='#n694'>694</a></p>
<p id='n695' class='pln'><a href='#n695'>695</a></p>
<p id='n696' class='stm run hide_run'><a href='#n696'>696</a></p>
<p id='n697' class='stm run hide_run'><a href='#n697'>697</a></p>
<p id='n698' class='stm run hide_run'><a href='#n698'>698</a></p>
<p id='n699' class='stm run hide_run'><a href='#n699'>699</a></p>
<p id='n700' class='stm run hide_run'><a href='#n700'>700</a></p>
<p id='n701' class='stm run hide_run'><a href='#n701'>701</a></p>
<p id='n702' class='pln'><a href='#n702'>702</a></p>
<p id='n703' class='stm run hide_run'><a href='#n703'>703</a></p>
<p id='n704' class='stm run hide_run'><a href='#n704'>704</a></p>
<p id='n705' class='pln'><a href='#n705'>705</a></p>
<p id='n706' class='stm run hide_run'><a href='#n706'>706</a></p>
<p id='n707' class='stm run hide_run'><a href='#n707'>707</a></p>
<p id='n708' class='stm run hide_run'><a href='#n708'>708</a></p>
<p id='n709' class='stm run hide_run'><a href='#n709'>709</a></p>
<p id='n710' class='pln'><a href='#n710'>710</a></p>
<p id='n711' class='stm run hide_run'><a href='#n711'>711</a></p>
<p id='n712' class='pln'><a href='#n712'>712</a></p>
<p id='n713' class='stm run hide_run'><a href='#n713'>713</a></p>
<p id='n714' class='stm run hide_run'><a href='#n714'>714</a></p>
<p id='n715' class='pln'><a href='#n715'>715</a></p>
<p id='n716' class='stm run hide_run'><a href='#n716'>716</a></p>
<p id='n717' class='stm run hide_run'><a href='#n717'>717</a></p>
<p id='n718' class='stm run hide_run'><a href='#n718'>718</a></p>
<p id='n719' class='pln'><a href='#n719'>719</a></p>
<p id='n720' class='stm run hide_run'><a href='#n720'>720</a></p>
<p id='n721' class='stm mis'><a href='#n721'>721</a></p>
<p id='n722' class='pln'><a href='#n722'>722</a></p>
<p id='n723' class='stm run hide_run'><a href='#n723'>723</a></p>
<p id='n724' class='stm run hide_run'><a href='#n724'>724</a></p>
<p id='n725' class='stm run hide_run'><a href='#n725'>725</a></p>
<p id='n726' class='pln'><a href='#n726'>726</a></p>
<p id='n727' class='pln'><a href='#n727'>727</a></p>
<p id='n728' class='stm run hide_run'><a href='#n728'>728</a></p>
<p id='n729' class='stm run hide_run'><a href='#n729'>729</a></p>
<p id='n730' class='stm run hide_run'><a href='#n730'>730</a></p>
<p id='n731' class='stm run hide_run'><a href='#n731'>731</a></p>
<p id='n732' class='pln'><a href='#n732'>732</a></p>
<p id='n733' class='stm run hide_run'><a href='#n733'>733</a></p>
<p id='n734' class='pln'><a href='#n734'>734</a></p>
<p id='n735' class='pln'><a href='#n735'>735</a></p>
<p id='n736' class='pln'><a href='#n736'>736</a></p>
<p id='n737' class='pln'><a href='#n737'>737</a></p>
<p id='n738' class='pln'><a href='#n738'>738</a></p>
<p id='n739' class='stm run hide_run'><a href='#n739'>739</a></p>
<p id='n740' class='stm run hide_run'><a href='#n740'>740</a></p>
<p id='n741' class='stm run hide_run'><a href='#n741'>741</a></p>
<p id='n742' class='pln'><a href='#n742'>742</a></p>
<p id='n743' class='stm run hide_run'><a href='#n743'>743</a></p>
<p id='n744' class='stm mis'><a href='#n744'>744</a></p>
<p id='n745' class='stm run hide_run'><a href='#n745'>745</a></p>
<p id='n746' class='stm run hide_run'><a href='#n746'>746</a></p>
<p id='n747' class='pln'><a href='#n747'>747</a></p>
<p id='n748' class='stm run hide_run'><a href='#n748'>748</a></p>
<p id='n749' class='stm run hide_run'><a href='#n749'>749</a></p>
<p id='n750' class='stm mis'><a href='#n750'>750</a></p>
<p id='n751' class='pln'><a href='#n751'>751</a></p>
<p id='n752' class='stm run hide_run'><a href='#n752'>752</a></p>
<p id='n753' class='stm run hide_run'><a href='#n753'>753</a></p>
<p id='n754' class='stm run hide_run'><a href='#n754'>754</a></p>
<p id='n755' class='stm run hide_run'><a href='#n755'>755</a></p>
<p id='n756' class='stm run hide_run'><a href='#n756'>756</a></p>
<p id='n757' class='pln'><a href='#n757'>757</a></p>
<p id='n758' class='pln'><a href='#n758'>758</a></p>
<p id='n759' class='stm run hide_run'><a href='#n759'>759</a></p>
<p id='n760' class='stm run hide_run'><a href='#n760'>760</a></p>
<p id='n761' class='stm run hide_run'><a href='#n761'>761</a></p>
<p id='n762' class='stm run hide_run'><a href='#n762'>762</a></p>
<p id='n763' class='pln'><a href='#n763'>763</a></p>
<p id='n764' class='stm run hide_run'><a href='#n764'>764</a></p>
<p id='n765' class='pln'><a href='#n765'>765</a></p>
<p id='n766' class='pln'><a href='#n766'>766</a></p>
<p id='n767' class='pln'><a href='#n767'>767</a></p>
<p id='n768' class='stm run hide_run'><a href='#n768'>768</a></p>
<p id='n769' class='stm mis'><a href='#n769'>769</a></p>
<p id='n770' class='stm mis'><a href='#n770'>770</a></p>
<p id='n771' class='pln'><a href='#n771'>771</a></p>
<p id='n772' class='stm mis'><a href='#n772'>772</a></p>
<p id='n773' class='stm mis'><a href='#n773'>773</a></p>
<p id='n774' class='stm mis'><a href='#n774'>774</a></p>
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</td>
<td class='text' valign='top'>
<p id='t1' class='pln'><span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t2' class='pln'><span class='str'>Serializer fields perform validation on incoming data.</span><span class='strut'>&nbsp;</span></p>
<p id='t3' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t4' class='pln'><span class='str'>They are very similar to Django&#39;s form fields.</span><span class='strut'>&nbsp;</span></p>
<p id='t5' class='pln'><span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t6' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>__future__</span> <span class='key'>import</span> <span class='nam'>unicode_literals</span><span class='strut'>&nbsp;</span></p>
<p id='t7' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t8' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>copy</span><span class='strut'>&nbsp;</span></p>
<p id='t9' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>datetime</span><span class='strut'>&nbsp;</span></p>
<p id='t10' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>inspect</span><span class='strut'>&nbsp;</span></p>
<p id='t11' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>re</span><span class='strut'>&nbsp;</span></p>
<p id='t12' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>warnings</span><span class='strut'>&nbsp;</span></p>
<p id='t13' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>decimal</span> <span class='key'>import</span> <span class='nam'>Decimal</span><span class='op'>,</span> <span class='nam'>DecimalException</span><span class='strut'>&nbsp;</span></p>
<p id='t14' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span> <span class='key'>import</span> <span class='nam'>forms</span><span class='strut'>&nbsp;</span></p>
<p id='t15' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>core</span> <span class='key'>import</span> <span class='nam'>validators</span><span class='strut'>&nbsp;</span></p>
<p id='t16' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>core</span><span class='op'>.</span><span class='nam'>exceptions</span> <span class='key'>import</span> <span class='nam'>ValidationError</span><span class='strut'>&nbsp;</span></p>
<p id='t17' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>conf</span> <span class='key'>import</span> <span class='nam'>settings</span><span class='strut'>&nbsp;</span></p>
<p id='t18' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>db</span><span class='op'>.</span><span class='nam'>models</span><span class='op'>.</span><span class='nam'>fields</span> <span class='key'>import</span> <span class='nam'>BLANK_CHOICE_DASH</span><span class='strut'>&nbsp;</span></p>
<p id='t19' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>forms</span> <span class='key'>import</span> <span class='nam'>widgets</span><span class='strut'>&nbsp;</span></p>
<p id='t20' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>utils</span><span class='op'>.</span><span class='nam'>encoding</span> <span class='key'>import</span> <span class='nam'>is_protected_type</span><span class='strut'>&nbsp;</span></p>
<p id='t21' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>utils</span><span class='op'>.</span><span class='nam'>translation</span> <span class='key'>import</span> <span class='nam'>ugettext_lazy</span> <span class='key'>as</span> <span class='nam'>_</span><span class='strut'>&nbsp;</span></p>
<p id='t22' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>utils</span><span class='op'>.</span><span class='nam'>datastructures</span> <span class='key'>import</span> <span class='nam'>SortedDict</span><span class='strut'>&nbsp;</span></p>
<p id='t23' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>rest_framework</span> <span class='key'>import</span> <span class='nam'>ISO_8601</span><span class='strut'>&nbsp;</span></p>
<p id='t24' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>rest_framework</span><span class='op'>.</span><span class='nam'>compat</span> <span class='key'>import</span> <span class='op'>(</span><span class='strut'>&nbsp;</span></p>
<p id='t25' class='pln'>&nbsp; &nbsp; <span class='nam'>timezone</span><span class='op'>,</span> <span class='nam'>parse_date</span><span class='op'>,</span> <span class='nam'>parse_datetime</span><span class='op'>,</span> <span class='nam'>parse_time</span><span class='op'>,</span> <span class='nam'>BytesIO</span><span class='op'>,</span> <span class='nam'>six</span><span class='op'>,</span> <span class='nam'>smart_text</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t26' class='pln'>&nbsp; &nbsp; <span class='nam'>force_text</span><span class='op'>,</span> <span class='nam'>is_non_str_iterable</span><span class='strut'>&nbsp;</span></p>
<p id='t27' class='pln'><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t28' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>rest_framework</span><span class='op'>.</span><span class='nam'>settings</span> <span class='key'>import</span> <span class='nam'>api_settings</span><span class='strut'>&nbsp;</span></p>
<p id='t29' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t30' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t31' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>is_simple_callable</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t32' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t33' class='pln'><span class='str'>&nbsp; &nbsp; True if the object is a callable that takes no arguments.</span><span class='strut'>&nbsp;</span></p>
<p id='t34' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t35' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>function</span> <span class='op'>=</span> <span class='nam'>inspect</span><span class='op'>.</span><span class='nam'>isfunction</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t36' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>method</span> <span class='op'>=</span> <span class='nam'>inspect</span><span class='op'>.</span><span class='nam'>ismethod</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t37' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t38' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='op'>(</span><span class='nam'>function</span> <span class='key'>or</span> <span class='nam'>method</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t39' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t40' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t41' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>args</span><span class='op'>,</span> <span class='nam'>_</span><span class='op'>,</span> <span class='nam'>_</span><span class='op'>,</span> <span class='nam'>defaults</span> <span class='op'>=</span> <span class='nam'>inspect</span><span class='op'>.</span><span class='nam'>getargspec</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t42' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>len_args</span> <span class='op'>=</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>args</span><span class='op'>)</span> <span class='key'>if</span> <span class='nam'>function</span> <span class='key'>else</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>args</span><span class='op'>)</span> <span class='op'>-</span> <span class='num'>1</span><span class='strut'>&nbsp;</span></p>
<p id='t43' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>len_defaults</span> <span class='op'>=</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>defaults</span><span class='op'>)</span> <span class='key'>if</span> <span class='nam'>defaults</span> <span class='key'>else</span> <span class='num'>0</span><span class='strut'>&nbsp;</span></p>
<p id='t44' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>len_args</span> <span class='op'>&lt;=</span> <span class='nam'>len_defaults</span><span class='strut'>&nbsp;</span></p>
<p id='t45' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t46' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t47' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>get_component</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>attr_name</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t48' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t49' class='pln'><span class='str'>&nbsp; &nbsp; Given an object, and an attribute name,</span><span class='strut'>&nbsp;</span></p>
<p id='t50' class='pln'><span class='str'>&nbsp; &nbsp; return that attribute on the object.</span><span class='strut'>&nbsp;</span></p>
<p id='t51' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t52' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>dict</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t53' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>val</span> <span class='op'>=</span> <span class='nam'>obj</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>attr_name</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t54' class='pln'>&nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t55' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>val</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>attr_name</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t56' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t57' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>is_simple_callable</span><span class='op'>(</span><span class='nam'>val</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t58' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>val</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t59' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>val</span><span class='strut'>&nbsp;</span></p>
<p id='t60' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t61' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t62' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>readable_datetime_formats</span><span class='op'>(</span><span class='nam'>formats</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t63' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>format</span> <span class='op'>=</span> <span class='str'>&#39;, &#39;</span><span class='op'>.</span><span class='nam'>join</span><span class='op'>(</span><span class='nam'>formats</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>replace</span><span class='op'>(</span><span class='nam'>ISO_8601</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t64' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='str'>&#39;YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HHMM|-HHMM|Z]&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t65' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>humanize_strptime</span><span class='op'>(</span><span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t66' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t67' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t68' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>readable_date_formats</span><span class='op'>(</span><span class='nam'>formats</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t69' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>format</span> <span class='op'>=</span> <span class='str'>&#39;, &#39;</span><span class='op'>.</span><span class='nam'>join</span><span class='op'>(</span><span class='nam'>formats</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>replace</span><span class='op'>(</span><span class='nam'>ISO_8601</span><span class='op'>,</span> <span class='str'>&#39;YYYY[-MM[-DD]]&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t70' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>humanize_strptime</span><span class='op'>(</span><span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t71' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t72' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t73' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>readable_time_formats</span><span class='op'>(</span><span class='nam'>formats</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t74' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>format</span> <span class='op'>=</span> <span class='str'>&#39;, &#39;</span><span class='op'>.</span><span class='nam'>join</span><span class='op'>(</span><span class='nam'>formats</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>replace</span><span class='op'>(</span><span class='nam'>ISO_8601</span><span class='op'>,</span> <span class='str'>&#39;hh:mm[:ss[.uuuuuu]]&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t75' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>humanize_strptime</span><span class='op'>(</span><span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t76' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t77' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t78' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>humanize_strptime</span><span class='op'>(</span><span class='nam'>format_string</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t79' class='pln'>&nbsp; &nbsp; <span class='com'># Note that we&#39;re missing some of the locale specific mappings that</span><span class='strut'>&nbsp;</span></p>
<p id='t80' class='pln'>&nbsp; &nbsp; <span class='com'># don&#39;t really make sense.</span><span class='strut'>&nbsp;</span></p>
<p id='t81' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>mapping</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t82' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%Y&quot;</span><span class='op'>:</span> <span class='str'>&quot;YYYY&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t83' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%y&quot;</span><span class='op'>:</span> <span class='str'>&quot;YY&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t84' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%m&quot;</span><span class='op'>:</span> <span class='str'>&quot;MM&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t85' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%b&quot;</span><span class='op'>:</span> <span class='str'>&quot;[Jan-Dec]&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t86' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%B&quot;</span><span class='op'>:</span> <span class='str'>&quot;[January-December]&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t87' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%d&quot;</span><span class='op'>:</span> <span class='str'>&quot;DD&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t88' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%H&quot;</span><span class='op'>:</span> <span class='str'>&quot;hh&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t89' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%I&quot;</span><span class='op'>:</span> <span class='str'>&quot;hh&quot;</span><span class='op'>,</span>&nbsp; <span class='com'># Requires &#39;%p&#39; to differentiate from &#39;%H&#39;.</span><span class='strut'>&nbsp;</span></p>
<p id='t90' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%M&quot;</span><span class='op'>:</span> <span class='str'>&quot;mm&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t91' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%S&quot;</span><span class='op'>:</span> <span class='str'>&quot;ss&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t92' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%f&quot;</span><span class='op'>:</span> <span class='str'>&quot;uuuuuu&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t93' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%a&quot;</span><span class='op'>:</span> <span class='str'>&quot;[Mon-Sun]&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t94' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%A&quot;</span><span class='op'>:</span> <span class='str'>&quot;[Monday-Sunday]&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t95' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%p&quot;</span><span class='op'>:</span> <span class='str'>&quot;[AM|PM]&quot;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t96' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;%z&quot;</span><span class='op'>:</span> <span class='str'>&quot;[+HHMM|-HHMM]&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t97' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t98' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>key</span><span class='op'>,</span> <span class='nam'>val</span> <span class='key'>in</span> <span class='nam'>mapping</span><span class='op'>.</span><span class='nam'>items</span><span class='op'>(</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t99' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>format_string</span> <span class='op'>=</span> <span class='nam'>format_string</span><span class='op'>.</span><span class='nam'>replace</span><span class='op'>(</span><span class='nam'>key</span><span class='op'>,</span> <span class='nam'>val</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t100' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>format_string</span><span class='strut'>&nbsp;</span></p>
<p id='t101' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t102' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t103' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>Field</span><span class='op'>(</span><span class='nam'>object</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t104' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>read_only</span> <span class='op'>=</span> <span class='nam'>True</span><span class='strut'>&nbsp;</span></p>
<p id='t105' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>creation_counter</span> <span class='op'>=</span> <span class='num'>0</span><span class='strut'>&nbsp;</span></p>
<p id='t106' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>empty</span> <span class='op'>=</span> <span class='str'>&#39;&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t107' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t108' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>partial</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t109' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>use_files</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t110' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>CharField</span><span class='strut'>&nbsp;</span></p>
<p id='t111' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;field&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t112' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t113' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>source</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>label</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>help_text</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t114' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>parent</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t115' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t116' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>creation_counter</span> <span class='op'>=</span> <span class='nam'>Field</span><span class='op'>.</span><span class='nam'>creation_counter</span><span class='strut'>&nbsp;</span></p>
<p id='t117' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>Field</span><span class='op'>.</span><span class='nam'>creation_counter</span> <span class='op'>+=</span> <span class='num'>1</span><span class='strut'>&nbsp;</span></p>
<p id='t118' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t119' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>source</span> <span class='op'>=</span> <span class='nam'>source</span><span class='strut'>&nbsp;</span></p>
<p id='t120' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t121' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>label</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t122' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>label</span> <span class='op'>=</span> <span class='nam'>smart_text</span><span class='op'>(</span><span class='nam'>label</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t123' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t124' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>help_text</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t125' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>help_text</span> <span class='op'>=</span> <span class='nam'>smart_text</span><span class='op'>(</span><span class='nam'>help_text</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t126' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t127' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>initialize</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>parent</span><span class='op'>,</span> <span class='nam'>field_name</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t128' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t129' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Called to set up a field prior to field_to_native or field_from_native.</span><span class='strut'>&nbsp;</span></p>
<p id='t130' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t131' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; parent - The parent serializer.</span><span class='strut'>&nbsp;</span></p>
<p id='t132' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; model_field - The model field this field corresponds to, if one exists.</span><span class='strut'>&nbsp;</span></p>
<p id='t133' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t134' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>parent</span> <span class='op'>=</span> <span class='nam'>parent</span><span class='strut'>&nbsp;</span></p>
<p id='t135' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>root</span> <span class='op'>=</span> <span class='nam'>parent</span><span class='op'>.</span><span class='nam'>root</span> <span class='key'>or</span> <span class='nam'>parent</span><span class='strut'>&nbsp;</span></p>
<p id='t136' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>context</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>root</span><span class='op'>.</span><span class='nam'>context</span><span class='strut'>&nbsp;</span></p>
<p id='t137' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>partial</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>root</span><span class='op'>.</span><span class='nam'>partial</span><span class='strut'>&nbsp;</span></p>
<p id='t138' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>partial</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t139' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>required</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t140' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t141' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>field_from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>data</span><span class='op'>,</span> <span class='nam'>files</span><span class='op'>,</span> <span class='nam'>field_name</span><span class='op'>,</span> <span class='nam'>into</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t142' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t143' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Given a dictionary and a field name, updates the dictionary `into`,</span><span class='strut'>&nbsp;</span></p>
<p id='t144' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; with the field and it&#39;s deserialized value.</span><span class='strut'>&nbsp;</span></p>
<p id='t145' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t146' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span><span class='strut'>&nbsp;</span></p>
<p id='t147' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t148' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>field_to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>field_name</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t149' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t150' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Given and object and a field name, returns the value that should be</span><span class='strut'>&nbsp;</span></p>
<p id='t151' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; serialized for that field.</span><span class='strut'>&nbsp;</span></p>
<p id='t152' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t153' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>obj</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t154' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>empty</span><span class='strut'>&nbsp;</span></p>
<p id='t155' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t156' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>source</span> <span class='op'>==</span> <span class='str'>&#39;*&#39;</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t157' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t158' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t159' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>source</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>source</span> <span class='key'>or</span> <span class='nam'>field_name</span><span class='strut'>&nbsp;</span></p>
<p id='t160' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>obj</span><span class='strut'>&nbsp;</span></p>
<p id='t161' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t162' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>component</span> <span class='key'>in</span> <span class='nam'>source</span><span class='op'>.</span><span class='nam'>split</span><span class='op'>(</span><span class='str'>&#39;.&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t163' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>get_component</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>component</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t164' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t165' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>break</span><span class='strut'>&nbsp;</span></p>
<p id='t166' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t167' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t168' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t169' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t170' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t171' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Converts the field&#39;s value into it&#39;s simple representation.</span><span class='strut'>&nbsp;</span></p>
<p id='t172' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t173' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>is_simple_callable</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t174' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>value</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t175' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t176' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>is_protected_type</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t177' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t178' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>elif</span> <span class='op'>(</span><span class='nam'>is_non_str_iterable</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span> <span class='key'>and</span><span class='strut'>&nbsp;</span></p>
<p id='t179' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>not</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='op'>(</span><span class='nam'>dict</span><span class='op'>,</span> <span class='nam'>six</span><span class='op'>.</span><span class='nam'>string_types</span><span class='op'>)</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t180' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='op'>[</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>item</span><span class='op'>)</span> <span class='key'>for</span> <span class='nam'>item</span> <span class='key'>in</span> <span class='nam'>value</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t181' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>elif</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>dict</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t182' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Make sure we preserve field ordering, if it exists</span><span class='strut'>&nbsp;</span></p>
<p id='t183' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>ret</span> <span class='op'>=</span> <span class='nam'>SortedDict</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t184' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>key</span><span class='op'>,</span> <span class='nam'>val</span> <span class='key'>in</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>items</span><span class='op'>(</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t185' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>ret</span><span class='op'>[</span><span class='nam'>key</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>val</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t186' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>ret</span><span class='strut'>&nbsp;</span></p>
<p id='t187' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>force_text</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t188' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t189' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>attributes</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t190' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t191' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Returns a dictionary of attributes to be used when serializing to xml.</span><span class='strut'>&nbsp;</span></p>
<p id='t192' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t193' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>type_name</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t194' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='op'>{</span><span class='str'>&#39;type&#39;</span><span class='op'>:</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>type_name</span><span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t195' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='op'>{</span><span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t196' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t197' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>metadata</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t198' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>metadata</span> <span class='op'>=</span> <span class='nam'>SortedDict</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t199' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>metadata</span><span class='op'>[</span><span class='str'>&#39;type&#39;</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>type_label</span><span class='strut'>&nbsp;</span></p>
<p id='t200' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>metadata</span><span class='op'>[</span><span class='str'>&#39;required&#39;</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='str'>&#39;required&#39;</span><span class='op'>,</span> <span class='nam'>False</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t201' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>optional_attrs</span> <span class='op'>=</span> <span class='op'>[</span><span class='str'>&#39;read_only&#39;</span><span class='op'>,</span> <span class='str'>&#39;label&#39;</span><span class='op'>,</span> <span class='str'>&#39;help_text&#39;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t202' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;min_length&#39;</span><span class='op'>,</span> <span class='str'>&#39;max_length&#39;</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t203' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>attr</span> <span class='key'>in</span> <span class='nam'>optional_attrs</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t204' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>attr</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t205' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>value</span> <span class='op'>!=</span> <span class='str'>&#39;&#39;</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t206' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>metadata</span><span class='op'>[</span><span class='nam'>attr</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>force_text</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>strings_only</span><span class='op'>=</span><span class='nam'>True</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t207' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>metadata</span><span class='strut'>&nbsp;</span></p>
<p id='t208' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t209' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t210' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>WritableField</span><span class='op'>(</span><span class='nam'>Field</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t211' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t212' class='pln'><span class='str'>&nbsp; &nbsp; Base for read/write fields.</span><span class='strut'>&nbsp;</span></p>
<p id='t213' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t214' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_validators</span> <span class='op'>=</span> <span class='op'>[</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t215' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t216' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;required&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;This field is required.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t217' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Invalid value.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t218' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t219' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>TextInput</span><span class='strut'>&nbsp;</span></p>
<p id='t220' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t221' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t222' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>source</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>label</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>help_text</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t223' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='nam'>read_only</span><span class='op'>=</span><span class='nam'>False</span><span class='op'>,</span> <span class='nam'>required</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t224' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='nam'>validators</span><span class='op'>=</span><span class='op'>[</span><span class='op'>]</span><span class='op'>,</span> <span class='nam'>error_messages</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>widget</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t225' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='nam'>default</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>blank</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t226' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t227' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># &#39;blank&#39; is to be deprecated in favor of &#39;required&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t228' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>blank</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t229' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>warnings</span><span class='op'>.</span><span class='nam'>warn</span><span class='op'>(</span><span class='str'>&#39;The `blank` keyword argument is deprecated. &#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t230' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;Use the `required` keyword argument instead.&#39;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t231' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>DeprecationWarning</span><span class='op'>,</span> <span class='nam'>stacklevel</span><span class='op'>=</span><span class='num'>2</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t232' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>required</span> <span class='op'>=</span> <span class='key'>not</span><span class='op'>(</span><span class='nam'>blank</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t233' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t234' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>source</span><span class='op'>=</span><span class='nam'>source</span><span class='op'>,</span> <span class='nam'>label</span><span class='op'>=</span><span class='nam'>label</span><span class='op'>,</span> <span class='nam'>help_text</span><span class='op'>=</span><span class='nam'>help_text</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t235' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t236' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>read_only</span> <span class='op'>=</span> <span class='nam'>read_only</span><span class='strut'>&nbsp;</span></p>
<p id='t237' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>required</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t238' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>required</span> <span class='op'>=</span> <span class='key'>not</span><span class='op'>(</span><span class='nam'>read_only</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t239' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t240' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>assert</span> <span class='key'>not</span> <span class='op'>(</span><span class='nam'>read_only</span> <span class='key'>and</span> <span class='nam'>required</span><span class='op'>)</span><span class='op'>,</span> <span class='str'>&quot;Cannot set required=True and read_only=True&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t241' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>required</span> <span class='op'>=</span> <span class='nam'>required</span><span class='strut'>&nbsp;</span></p>
<p id='t242' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t243' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t244' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>c</span> <span class='key'>in</span> <span class='nam'>reversed</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>__class__</span><span class='op'>.</span><span class='nam'>__mro__</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t245' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>messages</span><span class='op'>.</span><span class='nam'>update</span><span class='op'>(</span><span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>c</span><span class='op'>,</span> <span class='str'>&#39;default_error_messages&#39;</span><span class='op'>,</span> <span class='op'>{</span><span class='op'>}</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t246' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>messages</span><span class='op'>.</span><span class='nam'>update</span><span class='op'>(</span><span class='nam'>error_messages</span> <span class='key'>or</span> <span class='op'>{</span><span class='op'>}</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t247' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span> <span class='op'>=</span> <span class='nam'>messages</span><span class='strut'>&nbsp;</span></p>
<p id='t248' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t249' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>default_validators</span> <span class='op'>+</span> <span class='nam'>validators</span><span class='strut'>&nbsp;</span></p>
<p id='t250' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>default</span> <span class='op'>=</span> <span class='nam'>default</span> <span class='key'>if</span> <span class='nam'>default</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>default</span><span class='strut'>&nbsp;</span></p>
<p id='t251' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t252' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Widgets are ony used for HTML forms.</span><span class='strut'>&nbsp;</span></p>
<p id='t253' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widget</span> <span class='key'>or</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>widget</span><span class='strut'>&nbsp;</span></p>
<p id='t254' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>widget</span><span class='op'>,</span> <span class='nam'>type</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t255' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widget</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t256' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widget</span><span class='strut'>&nbsp;</span></p>
<p id='t257' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t258' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__deepcopy__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>memo</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t259' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>result</span> <span class='op'>=</span> <span class='nam'>copy</span><span class='op'>.</span><span class='nam'>copy</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t260' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>memo</span><span class='op'>[</span><span class='nam'>id</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>result</span><span class='strut'>&nbsp;</span></p>
<p id='t261' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>result</span><span class='op'>.</span><span class='nam'>validators</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>[</span><span class='op'>:</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t262' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>result</span><span class='strut'>&nbsp;</span></p>
<p id='t263' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t264' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>validate</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t265' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span> <span class='key'>and</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>required</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t266' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;required&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t267' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t268' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>run_validators</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t269' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t270' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span><span class='strut'>&nbsp;</span></p>
<p id='t271' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>errors</span> <span class='op'>=</span> <span class='op'>[</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t272' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>v</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t273' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t274' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>v</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t275' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>ValidationError</span> <span class='key'>as</span> <span class='nam'>e</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t276' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>e</span><span class='op'>,</span> <span class='str'>&#39;code&#39;</span><span class='op'>)</span> <span class='key'>and</span> <span class='nam'>e</span><span class='op'>.</span><span class='nam'>code</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t277' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>message</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='nam'>e</span><span class='op'>.</span><span class='nam'>code</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t278' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>e</span><span class='op'>.</span><span class='nam'>params</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t279' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>message</span> <span class='op'>=</span> <span class='nam'>message</span> <span class='op'>%</span> <span class='nam'>e</span><span class='op'>.</span><span class='nam'>params</span><span class='strut'>&nbsp;</span></p>
<p id='t280' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>errors</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>message</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t281' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t282' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>errors</span><span class='op'>.</span><span class='nam'>extend</span><span class='op'>(</span><span class='nam'>e</span><span class='op'>.</span><span class='nam'>messages</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t283' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>errors</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t284' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>errors</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t285' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t286' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>field_from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>data</span><span class='op'>,</span> <span class='nam'>files</span><span class='op'>,</span> <span class='nam'>field_name</span><span class='op'>,</span> <span class='nam'>into</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t287' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t288' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Given a dictionary and a field name, updates the dictionary `into`,</span><span class='strut'>&nbsp;</span></p>
<p id='t289' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; with the field and it&#39;s deserialized value.</span><span class='strut'>&nbsp;</span></p>
<p id='t290' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t291' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>read_only</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t292' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span><span class='strut'>&nbsp;</span></p>
<p id='t293' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t294' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t295' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>use_files</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t296' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>files</span> <span class='op'>=</span> <span class='nam'>files</span> <span class='key'>or</span> <span class='op'>{</span><span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t297' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>native</span> <span class='op'>=</span> <span class='nam'>files</span><span class='op'>[</span><span class='nam'>field_name</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t298' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t299' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>native</span> <span class='op'>=</span> <span class='nam'>data</span><span class='op'>[</span><span class='nam'>field_name</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t300' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>KeyError</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t301' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>default</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>partial</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t302' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Note: partial updates shouldn&#39;t set defaults</span><span class='strut'>&nbsp;</span></p>
<p id='t303' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>is_simple_callable</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>default</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t304' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>native</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>default</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t305' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t306' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>native</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>default</span><span class='strut'>&nbsp;</span></p>
<p id='t307' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t308' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>required</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t309' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;required&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t310' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span><span class='strut'>&nbsp;</span></p>
<p id='t311' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t312' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>native</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t313' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>source</span> <span class='op'>==</span> <span class='str'>&#39;*&#39;</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t314' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t315' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>into</span><span class='op'>.</span><span class='nam'>update</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t316' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t317' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validate</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t318' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>run_validators</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t319' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>into</span><span class='op'>[</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>source</span> <span class='key'>or</span> <span class='nam'>field_name</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t320' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t321' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t322' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t323' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Reverts a simple representation back to the field&#39;s value.</span><span class='strut'>&nbsp;</span></p>
<p id='t324' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t325' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t326' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t327' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t328' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>ModelField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t329' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t330' class='pln'><span class='str'>&nbsp; &nbsp; A generic field that can be used against an arbitrary model field.</span><span class='strut'>&nbsp;</span></p>
<p id='t331' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t332' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t333' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t334' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;model_field&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t335' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>KeyError</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t336' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValueError</span><span class='op'>(</span><span class='str'>&quot;ModelField requires &#39;model_field&#39; kwarg&quot;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t337' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t338' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_length</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;min_length&#39;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t339' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>,</span> <span class='str'>&#39;min_length&#39;</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t340' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;max_length&#39;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t341' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>,</span> <span class='str'>&#39;max_length&#39;</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t342' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_value</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;min_value&#39;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t343' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>,</span> <span class='str'>&#39;min_value&#39;</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t344' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_value</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;max_value&#39;</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t345' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>,</span> <span class='str'>&#39;max_value&#39;</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t346' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t347' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>ModelField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t348' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t349' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_length</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t350' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MinLengthValidator</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_length</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t351' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t352' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MaxLengthValidator</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t353' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t354' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MinValueValidator</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t355' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t356' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MaxValueValidator</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t357' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t358' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t359' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>rel</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>,</span> <span class='str'>&quot;rel&quot;</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t360' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>rel</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t361' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>rel</span><span class='op'>.</span><span class='nam'>to</span><span class='op'>.</span><span class='nam'>_meta</span><span class='op'>.</span><span class='nam'>get_field</span><span class='op'>(</span><span class='nam'>rel</span><span class='op'>.</span><span class='nam'>field_name</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>to_python</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t362' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t363' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>.</span><span class='nam'>to_python</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t364' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t365' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>field_to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>field_name</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t366' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>.</span><span class='nam'>_get_val_from_obj</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t367' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>is_protected_type</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t368' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t369' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>.</span><span class='nam'>value_to_string</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t370' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t371' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>attributes</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t372' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t373' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;type&quot;</span><span class='op'>:</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>model_field</span><span class='op'>.</span><span class='nam'>get_internal_type</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t374' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t375' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t376' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t377' class='pln'><span class='com'>##### Typed Fields #####</span><span class='strut'>&nbsp;</span></p>
<p id='t378' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t379' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>BooleanField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t380' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;BooleanField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t381' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;boolean&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t382' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>BooleanField</span><span class='strut'>&nbsp;</span></p>
<p id='t383' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>CheckboxInput</span><span class='strut'>&nbsp;</span></p>
<p id='t384' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t385' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;&#39;%s&#39; value must be either True or False.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t386' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t387' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>empty</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t388' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t389' class='pln'>&nbsp; &nbsp; <span class='com'># Note: we set default to `False` in order to fill in missing value not</span><span class='strut'>&nbsp;</span></p>
<p id='t390' class='pln'>&nbsp; &nbsp; <span class='com'># supplied by html form.&nbsp; TODO: Fix so that only html form input gets</span><span class='strut'>&nbsp;</span></p>
<p id='t391' class='pln'>&nbsp; &nbsp; <span class='com'># this behavior.</span><span class='strut'>&nbsp;</span></p>
<p id='t392' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t393' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t394' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t395' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='op'>(</span><span class='str'>&#39;true&#39;</span><span class='op'>,</span> <span class='str'>&#39;t&#39;</span><span class='op'>,</span> <span class='str'>&#39;True&#39;</span><span class='op'>,</span> <span class='str'>&#39;1&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t396' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>True</span><span class='strut'>&nbsp;</span></p>
<p id='t397' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='op'>(</span><span class='str'>&#39;false&#39;</span><span class='op'>,</span> <span class='str'>&#39;f&#39;</span><span class='op'>,</span> <span class='str'>&#39;False&#39;</span><span class='op'>,</span> <span class='str'>&#39;0&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t398' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t399' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>bool</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t400' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t401' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t402' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>CharField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t403' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;CharField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t404' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;string&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t405' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>CharField</span><span class='strut'>&nbsp;</span></p>
<p id='t406' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t407' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>max_length</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>min_length</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t408' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_length</span> <span class='op'>=</span> <span class='nam'>max_length</span><span class='op'>,</span> <span class='nam'>min_length</span><span class='strut'>&nbsp;</span></p>
<p id='t409' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>CharField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t410' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>min_length</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t411' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MinLengthValidator</span><span class='op'>(</span><span class='nam'>min_length</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t412' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>max_length</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t413' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MaxLengthValidator</span><span class='op'>(</span><span class='nam'>max_length</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t414' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t415' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t416' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>six</span><span class='op'>.</span><span class='nam'>string_types</span><span class='op'>)</span> <span class='key'>or</span> <span class='nam'>value</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t417' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t418' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>smart_text</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t419' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t420' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t421' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>URLField</span><span class='op'>(</span><span class='nam'>CharField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t422' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;URLField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t423' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;url&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t424' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t425' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t426' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>kwargs</span><span class='op'>[</span><span class='str'>&#39;validators&#39;</span><span class='op'>]</span> <span class='op'>=</span> <span class='op'>[</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>URLValidator</span><span class='op'>(</span><span class='op'>)</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t427' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>URLField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t428' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t429' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t430' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>SlugField</span><span class='op'>(</span><span class='nam'>CharField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t431' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;SlugField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t432' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;slug&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t433' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>SlugField</span><span class='strut'>&nbsp;</span></p>
<p id='t434' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t435' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t436' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;Enter a valid &#39;slug&#39; consisting of letters, numbers,&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t437' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='str'>&quot; underscores or hyphens.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t438' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t439' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_validators</span> <span class='op'>=</span> <span class='op'>[</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>validate_slug</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t440' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t441' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t442' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>SlugField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t443' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t444' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t445' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>ChoiceField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t446' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;ChoiceField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t447' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;multiple choice&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t448' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>ChoiceField</span><span class='strut'>&nbsp;</span></p>
<p id='t449' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>Select</span><span class='strut'>&nbsp;</span></p>
<p id='t450' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t451' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid_choice&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Select a valid choice. %(value)s is not one of &#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t452' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;the available choices.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t453' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t454' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t455' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>choices</span><span class='op'>=</span><span class='op'>(</span><span class='op'>)</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t456' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>ChoiceField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t457' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>choices</span> <span class='op'>=</span> <span class='nam'>choices</span><span class='strut'>&nbsp;</span></p>
<p id='t458' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>required</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t459' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>choices</span> <span class='op'>=</span> <span class='nam'>BLANK_CHOICE_DASH</span> <span class='op'>+</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>choices</span><span class='strut'>&nbsp;</span></p>
<p id='t460' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t461' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>_get_choices</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t462' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_choices</span><span class='strut'>&nbsp;</span></p>
<p id='t463' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t464' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>_set_choices</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t465' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Setting choices also sets the choices on the widget.</span><span class='strut'>&nbsp;</span></p>
<p id='t466' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># choices can be any iterable, but we call list() on it because</span><span class='strut'>&nbsp;</span></p>
<p id='t467' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># it will be consumed more than once.</span><span class='strut'>&nbsp;</span></p>
<p id='t468' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_choices</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>widget</span><span class='op'>.</span><span class='nam'>choices</span> <span class='op'>=</span> <span class='nam'>list</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t469' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t470' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>choices</span> <span class='op'>=</span> <span class='nam'>property</span><span class='op'>(</span><span class='nam'>_get_choices</span><span class='op'>,</span> <span class='nam'>_set_choices</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t471' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t472' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>validate</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t473' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t474' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Validates that the input is in self.choices.</span><span class='strut'>&nbsp;</span></p>
<p id='t475' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t476' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>ChoiceField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>validate</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t477' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>and</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>valid_value</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t478' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid_choice&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='op'>{</span><span class='str'>&#39;value&#39;</span><span class='op'>:</span> <span class='nam'>value</span><span class='op'>}</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t479' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t480' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>valid_value</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t481' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t482' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Check to see if the provided value is a valid choice.</span><span class='strut'>&nbsp;</span></p>
<p id='t483' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t484' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>k</span><span class='op'>,</span> <span class='nam'>v</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>choices</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t485' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>v</span><span class='op'>,</span> <span class='op'>(</span><span class='nam'>list</span><span class='op'>,</span> <span class='nam'>tuple</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t486' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># This is an optgroup, so look inside the group for options</span><span class='strut'>&nbsp;</span></p>
<p id='t487' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>k2</span><span class='op'>,</span> <span class='nam'>v2</span> <span class='key'>in</span> <span class='nam'>v</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t488' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='op'>==</span> <span class='nam'>smart_text</span><span class='op'>(</span><span class='nam'>k2</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t489' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>True</span><span class='strut'>&nbsp;</span></p>
<p id='t490' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t491' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='op'>==</span> <span class='nam'>smart_text</span><span class='op'>(</span><span class='nam'>k</span><span class='op'>)</span> <span class='key'>or</span> <span class='nam'>value</span> <span class='op'>==</span> <span class='nam'>k</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t492' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>True</span><span class='strut'>&nbsp;</span></p>
<p id='t493' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>False</span><span class='strut'>&nbsp;</span></p>
<p id='t494' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t495' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t496' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>EmailField</span><span class='op'>(</span><span class='nam'>CharField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t497' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;EmailField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t498' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;email&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t499' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>EmailField</span><span class='strut'>&nbsp;</span></p>
<p id='t500' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t501' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t502' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Enter a valid e-mail address.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t503' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t504' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_validators</span> <span class='op'>=</span> <span class='op'>[</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>validate_email</span><span class='op'>]</span><span class='strut'>&nbsp;</span></p>
<p id='t505' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t506' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t507' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>ret</span> <span class='op'>=</span> <span class='nam'>super</span><span class='op'>(</span><span class='nam'>EmailField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t508' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>ret</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t509' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t510' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>ret</span><span class='op'>.</span><span class='nam'>strip</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t511' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t512' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t513' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>RegexField</span><span class='op'>(</span><span class='nam'>CharField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t514' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;RegexField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t515' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;regex&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t516' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>RegexField</span><span class='strut'>&nbsp;</span></p>
<p id='t517' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t518' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>regex</span><span class='op'>,</span> <span class='nam'>max_length</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>min_length</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t519' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>RegexField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>max_length</span><span class='op'>,</span> <span class='nam'>min_length</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t520' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>regex</span> <span class='op'>=</span> <span class='nam'>regex</span><span class='strut'>&nbsp;</span></p>
<p id='t521' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t522' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>_get_regex</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t523' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_regex</span><span class='strut'>&nbsp;</span></p>
<p id='t524' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t525' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>_set_regex</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>regex</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t526' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>regex</span><span class='op'>,</span> <span class='nam'>six</span><span class='op'>.</span><span class='nam'>string_types</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t527' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>regex</span> <span class='op'>=</span> <span class='nam'>re</span><span class='op'>.</span><span class='nam'>compile</span><span class='op'>(</span><span class='nam'>regex</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t528' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_regex</span> <span class='op'>=</span> <span class='nam'>regex</span><span class='strut'>&nbsp;</span></p>
<p id='t529' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='str'>&#39;_regex_validator&#39;</span><span class='op'>)</span> <span class='key'>and</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_regex_validator</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t530' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>remove</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>_regex_validator</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t531' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_regex_validator</span> <span class='op'>=</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>RegexValidator</span><span class='op'>(</span><span class='nam'>regex</span><span class='op'>=</span><span class='nam'>regex</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t532' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>_regex_validator</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t533' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t534' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>regex</span> <span class='op'>=</span> <span class='nam'>property</span><span class='op'>(</span><span class='nam'>_get_regex</span><span class='op'>,</span> <span class='nam'>_set_regex</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t535' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t536' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t537' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>DateField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t538' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;DateField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t539' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;date&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t540' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>DateInput</span><span class='strut'>&nbsp;</span></p>
<p id='t541' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>DateField</span><span class='strut'>&nbsp;</span></p>
<p id='t542' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t543' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t544' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;Date has wrong format. Use one of these formats instead: %s&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t545' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t546' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>empty</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t547' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>input_formats</span> <span class='op'>=</span> <span class='nam'>api_settings</span><span class='op'>.</span><span class='nam'>DATE_INPUT_FORMATS</span><span class='strut'>&nbsp;</span></p>
<p id='t548' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>format</span> <span class='op'>=</span> <span class='nam'>api_settings</span><span class='op'>.</span><span class='nam'>DATE_FORMAT</span><span class='strut'>&nbsp;</span></p>
<p id='t549' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t550' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>input_formats</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>format</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t551' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span> <span class='op'>=</span> <span class='nam'>input_formats</span> <span class='key'>if</span> <span class='nam'>input_formats</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='strut'>&nbsp;</span></p>
<p id='t552' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span> <span class='op'>=</span> <span class='nam'>format</span> <span class='key'>if</span> <span class='nam'>format</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='strut'>&nbsp;</span></p>
<p id='t553' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>DateField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t554' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t555' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t556' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t557' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t558' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t559' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t560' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>timezone</span> <span class='key'>and</span> <span class='nam'>settings</span><span class='op'>.</span><span class='nam'>USE_TZ</span> <span class='key'>and</span> <span class='nam'>timezone</span><span class='op'>.</span><span class='nam'>is_aware</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t561' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Convert aware datetimes to the default time zone</span><span class='strut'>&nbsp;</span></p>
<p id='t562' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># before casting them to dates (#17742).</span><span class='strut'>&nbsp;</span></p>
<p id='t563' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>default_timezone</span> <span class='op'>=</span> <span class='nam'>timezone</span><span class='op'>.</span><span class='nam'>get_default_timezone</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t564' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>timezone</span><span class='op'>.</span><span class='nam'>make_naive</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>default_timezone</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t565' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>date</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t566' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>date</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t567' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t568' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t569' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>format</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t570' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>format</span><span class='op'>.</span><span class='nam'>lower</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>==</span> <span class='nam'>ISO_8601</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t571' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t572' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>parsed</span> <span class='op'>=</span> <span class='nam'>parse_date</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t573' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t574' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>pass</span><span class='strut'>&nbsp;</span></p>
<p id='t575' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t576' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>parsed</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t577' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>parsed</span><span class='strut'>&nbsp;</span></p>
<p id='t578' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t579' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t580' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>parsed</span> <span class='op'>=</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>strptime</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t581' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t582' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>pass</span><span class='strut'>&nbsp;</span></p>
<p id='t583' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t584' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>parsed</span><span class='op'>.</span><span class='nam'>date</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t585' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t586' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>msg</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>readable_date_formats</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t587' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>msg</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t588' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t589' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t590' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>is</span> <span class='nam'>None</span> <span class='key'>or</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t591' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t592' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t593' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t594' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>date</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t595' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t596' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>.</span><span class='nam'>lower</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>==</span> <span class='nam'>ISO_8601</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t597' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>isoformat</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t598' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>strftime</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t599' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t600' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t601' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>DateTimeField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t602' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;DateTimeField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t603' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;datetime&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t604' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>DateTimeInput</span><span class='strut'>&nbsp;</span></p>
<p id='t605' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>DateTimeField</span><span class='strut'>&nbsp;</span></p>
<p id='t606' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t607' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t608' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;Datetime has wrong format. Use one of these formats instead: %s&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t609' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t610' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>empty</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t611' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>input_formats</span> <span class='op'>=</span> <span class='nam'>api_settings</span><span class='op'>.</span><span class='nam'>DATETIME_INPUT_FORMATS</span><span class='strut'>&nbsp;</span></p>
<p id='t612' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>format</span> <span class='op'>=</span> <span class='nam'>api_settings</span><span class='op'>.</span><span class='nam'>DATETIME_FORMAT</span><span class='strut'>&nbsp;</span></p>
<p id='t613' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t614' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>input_formats</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>format</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t615' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span> <span class='op'>=</span> <span class='nam'>input_formats</span> <span class='key'>if</span> <span class='nam'>input_formats</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='strut'>&nbsp;</span></p>
<p id='t616' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span> <span class='op'>=</span> <span class='nam'>format</span> <span class='key'>if</span> <span class='nam'>format</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='strut'>&nbsp;</span></p>
<p id='t617' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>DateTimeField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t618' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t619' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t620' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t621' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t622' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t623' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t624' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t625' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>date</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t626' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>.</span><span class='nam'>year</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>month</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>day</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t627' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>settings</span><span class='op'>.</span><span class='nam'>USE_TZ</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t628' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># For backwards compatibility, interpret naive datetimes in</span><span class='strut'>&nbsp;</span></p>
<p id='t629' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># local time. This won&#39;t work during DST change, but we can&#39;t</span><span class='strut'>&nbsp;</span></p>
<p id='t630' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># do much about it, so we let the exceptions percolate up the</span><span class='strut'>&nbsp;</span></p>
<p id='t631' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># call stack.</span><span class='strut'>&nbsp;</span></p>
<p id='t632' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>warnings</span><span class='op'>.</span><span class='nam'>warn</span><span class='op'>(</span><span class='str'>&quot;DateTimeField received a naive datetime (%s)&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t633' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot; while time zone support is active.&quot;</span> <span class='op'>%</span> <span class='nam'>value</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t634' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>RuntimeWarning</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t635' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>default_timezone</span> <span class='op'>=</span> <span class='nam'>timezone</span><span class='op'>.</span><span class='nam'>get_default_timezone</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t636' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>timezone</span><span class='op'>.</span><span class='nam'>make_aware</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>default_timezone</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t637' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t638' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t639' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>format</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t640' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>format</span><span class='op'>.</span><span class='nam'>lower</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>==</span> <span class='nam'>ISO_8601</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t641' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t642' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>parsed</span> <span class='op'>=</span> <span class='nam'>parse_datetime</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t643' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t644' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>pass</span><span class='strut'>&nbsp;</span></p>
<p id='t645' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t646' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>parsed</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t647' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>parsed</span><span class='strut'>&nbsp;</span></p>
<p id='t648' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t649' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t650' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>parsed</span> <span class='op'>=</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>strptime</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t651' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t652' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>pass</span><span class='strut'>&nbsp;</span></p>
<p id='t653' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t654' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>parsed</span><span class='strut'>&nbsp;</span></p>
<p id='t655' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t656' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>msg</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>readable_datetime_formats</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t657' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>msg</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t658' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t659' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t660' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>is</span> <span class='nam'>None</span> <span class='key'>or</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t661' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t662' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t663' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>.</span><span class='nam'>lower</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>==</span> <span class='nam'>ISO_8601</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t664' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>ret</span> <span class='op'>=</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>isoformat</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t665' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>ret</span><span class='op'>.</span><span class='nam'>endswith</span><span class='op'>(</span><span class='str'>&#39;+00:00&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t666' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>ret</span> <span class='op'>=</span> <span class='nam'>ret</span><span class='op'>[</span><span class='op'>:</span><span class='op'>-</span><span class='num'>6</span><span class='op'>]</span> <span class='op'>+</span> <span class='str'>&#39;Z&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t667' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>ret</span><span class='strut'>&nbsp;</span></p>
<p id='t668' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>strftime</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t669' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t670' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t671' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>TimeField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t672' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;TimeField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t673' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;time&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t674' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>TimeInput</span><span class='strut'>&nbsp;</span></p>
<p id='t675' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>TimeField</span><span class='strut'>&nbsp;</span></p>
<p id='t676' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t677' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t678' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;Time has wrong format. Use one of these formats instead: %s&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t679' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t680' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>empty</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t681' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>input_formats</span> <span class='op'>=</span> <span class='nam'>api_settings</span><span class='op'>.</span><span class='nam'>TIME_INPUT_FORMATS</span><span class='strut'>&nbsp;</span></p>
<p id='t682' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>format</span> <span class='op'>=</span> <span class='nam'>api_settings</span><span class='op'>.</span><span class='nam'>TIME_FORMAT</span><span class='strut'>&nbsp;</span></p>
<p id='t683' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t684' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>input_formats</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>format</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t685' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span> <span class='op'>=</span> <span class='nam'>input_formats</span> <span class='key'>if</span> <span class='nam'>input_formats</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='strut'>&nbsp;</span></p>
<p id='t686' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span> <span class='op'>=</span> <span class='nam'>format</span> <span class='key'>if</span> <span class='nam'>format</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>else</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='strut'>&nbsp;</span></p>
<p id='t687' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>TimeField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t688' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t689' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t690' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t691' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t692' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t693' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>time</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t694' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t695' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t696' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>for</span> <span class='nam'>format</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t697' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>format</span><span class='op'>.</span><span class='nam'>lower</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>==</span> <span class='nam'>ISO_8601</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t698' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t699' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>parsed</span> <span class='op'>=</span> <span class='nam'>parse_time</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t700' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t701' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>pass</span><span class='strut'>&nbsp;</span></p>
<p id='t702' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t703' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>parsed</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t704' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>parsed</span><span class='strut'>&nbsp;</span></p>
<p id='t705' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t706' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t707' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>parsed</span> <span class='op'>=</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>strptime</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t708' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t709' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>pass</span><span class='strut'>&nbsp;</span></p>
<p id='t710' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t711' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>parsed</span><span class='op'>.</span><span class='nam'>time</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t712' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t713' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>msg</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>readable_time_formats</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>input_formats</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t714' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>msg</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t715' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t716' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t717' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>is</span> <span class='nam'>None</span> <span class='key'>or</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t718' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t719' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t720' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>isinstance</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>,</span> <span class='nam'>datetime</span><span class='op'>.</span><span class='nam'>datetime</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t721' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>time</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t722' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t723' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>.</span><span class='nam'>lower</span><span class='op'>(</span><span class='op'>)</span> <span class='op'>==</span> <span class='nam'>ISO_8601</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t724' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>isoformat</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t725' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>strftime</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t726' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t727' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t728' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>IntegerField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t729' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;IntegerField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t730' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;integer&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t731' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>IntegerField</span><span class='strut'>&nbsp;</span></p>
<p id='t732' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t733' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t734' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Enter a whole number.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t735' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;max_value&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure this value is less than or equal to %(limit_value)s.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t736' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;min_value&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure this value is greater than or equal to %(limit_value)s.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t737' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t738' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t739' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>max_value</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>min_value</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t740' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_value</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_value</span> <span class='op'>=</span> <span class='nam'>max_value</span><span class='op'>,</span> <span class='nam'>min_value</span><span class='strut'>&nbsp;</span></p>
<p id='t741' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>IntegerField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t742' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t743' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>max_value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t744' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MaxValueValidator</span><span class='op'>(</span><span class='nam'>max_value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t745' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>min_value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t746' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MinValueValidator</span><span class='op'>(</span><span class='nam'>min_value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t747' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t748' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t749' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t750' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t751' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t752' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t753' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>int</span><span class='op'>(</span><span class='nam'>str</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t754' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>ValueError</span><span class='op'>,</span> <span class='nam'>TypeError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t755' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t756' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t757' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t758' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t759' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>FloatField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t760' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;FloatField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t761' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;float&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t762' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>FloatField</span><span class='strut'>&nbsp;</span></p>
<p id='t763' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t764' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t765' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;&#39;%s&#39; value must be a float.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t766' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t767' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t768' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t769' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t770' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t771' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t772' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t773' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>float</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t774' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='op'>(</span><span class='nam'>TypeError</span><span class='op'>,</span> <span class='nam'>ValueError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t775' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>msg</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t776' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>msg</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t777' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t778' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t779' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>DecimalField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t780' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;DecimalField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t781' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;decimal&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t782' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>DecimalField</span><span class='strut'>&nbsp;</span></p>
<p id='t783' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t784' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t785' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Enter a number.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t786' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;max_value&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure this value is less than or equal to %(limit_value)s.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t787' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;min_value&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure this value is greater than or equal to %(limit_value)s.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t788' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;max_digits&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure that there are no more than %s digits in total.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t789' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;max_decimal_places&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure that there are no more than %s decimal places.&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t790' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;max_whole_digits&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure that there are no more than %s digits before the decimal point.&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t791' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t792' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t793' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>max_value</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>min_value</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>max_digits</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>decimal_places</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t794' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_value</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>min_value</span> <span class='op'>=</span> <span class='nam'>max_value</span><span class='op'>,</span> <span class='nam'>min_value</span><span class='strut'>&nbsp;</span></p>
<p id='t795' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span> <span class='op'>=</span> <span class='nam'>max_digits</span><span class='op'>,</span> <span class='nam'>decimal_places</span><span class='strut'>&nbsp;</span></p>
<p id='t796' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>DecimalField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t797' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t798' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>max_value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t799' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MaxValueValidator</span><span class='op'>(</span><span class='nam'>max_value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t800' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>min_value</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t801' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>validators</span><span class='op'>.</span><span class='nam'>MinValueValidator</span><span class='op'>(</span><span class='nam'>min_value</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t802' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t803' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t804' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t805' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Validates that the input is a decimal number. Returns a Decimal</span><span class='strut'>&nbsp;</span></p>
<p id='t806' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; instance. Returns None for empty values. Ensures that there are no more</span><span class='strut'>&nbsp;</span></p>
<p id='t807' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; than max_digits in the number, and no more than decimal_places digits</span><span class='strut'>&nbsp;</span></p>
<p id='t808' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; after the decimal point.</span><span class='strut'>&nbsp;</span></p>
<p id='t809' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t810' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t811' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t812' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>smart_text</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>strip</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t813' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t814' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>Decimal</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t815' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>DecimalException</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t816' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t817' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t818' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t819' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>validate</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t820' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>DecimalField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>validate</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t821' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t822' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span><span class='strut'>&nbsp;</span></p>
<p id='t823' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Check for NaN, Inf and -Inf values. We can&#39;t compare directly for NaN,</span><span class='strut'>&nbsp;</span></p>
<p id='t824' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># since it is never equal to itself. However, NaN is the only value that</span><span class='strut'>&nbsp;</span></p>
<p id='t825' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># isn&#39;t equal to itself, so we can use this to identify NaN</span><span class='strut'>&nbsp;</span></p>
<p id='t826' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>value</span> <span class='op'>!=</span> <span class='nam'>value</span> <span class='key'>or</span> <span class='nam'>value</span> <span class='op'>==</span> <span class='nam'>Decimal</span><span class='op'>(</span><span class='str'>&quot;Inf&quot;</span><span class='op'>)</span> <span class='key'>or</span> <span class='nam'>value</span> <span class='op'>==</span> <span class='nam'>Decimal</span><span class='op'>(</span><span class='str'>&quot;-Inf&quot;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t827' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t828' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>sign</span><span class='op'>,</span> <span class='nam'>digittuple</span><span class='op'>,</span> <span class='nam'>exponent</span> <span class='op'>=</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>as_tuple</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t829' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>decimals</span> <span class='op'>=</span> <span class='nam'>abs</span><span class='op'>(</span><span class='nam'>exponent</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t830' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># digittuple doesn&#39;t include any leading zeros.</span><span class='strut'>&nbsp;</span></p>
<p id='t831' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>digits</span> <span class='op'>=</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>digittuple</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t832' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>decimals</span> <span class='op'>&gt;</span> <span class='nam'>digits</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t833' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># We have leading zeros up to or past the decimal point.&nbsp; Count</span><span class='strut'>&nbsp;</span></p>
<p id='t834' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># everything past the decimal point as a digit.&nbsp; We do not count</span><span class='strut'>&nbsp;</span></p>
<p id='t835' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># 0 before the decimal point as a digit since that would mean</span><span class='strut'>&nbsp;</span></p>
<p id='t836' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># we would not allow max_digits = decimal_places.</span><span class='strut'>&nbsp;</span></p>
<p id='t837' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>digits</span> <span class='op'>=</span> <span class='nam'>decimals</span><span class='strut'>&nbsp;</span></p>
<p id='t838' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>whole_digits</span> <span class='op'>=</span> <span class='nam'>digits</span> <span class='op'>-</span> <span class='nam'>decimals</span><span class='strut'>&nbsp;</span></p>
<p id='t839' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t840' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>digits</span> <span class='op'>&gt;</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t841' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;max_digits&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t842' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>decimals</span> <span class='op'>&gt;</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t843' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;max_decimal_places&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t844' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>whole_digits</span> <span class='op'>&gt;</span> <span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span> <span class='op'>-</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t845' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;max_whole_digits&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_digits</span> <span class='op'>-</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>decimal_places</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t846' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='strut'>&nbsp;</span></p>
<p id='t847' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t848' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t849' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>FileField</span><span class='op'>(</span><span class='nam'>WritableField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t850' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>use_files</span> <span class='op'>=</span> <span class='nam'>True</span><span class='strut'>&nbsp;</span></p>
<p id='t851' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;FileField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t852' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;file upload&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t853' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>FileField</span><span class='strut'>&nbsp;</span></p>
<p id='t854' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>widget</span> <span class='op'>=</span> <span class='nam'>widgets</span><span class='op'>.</span><span class='nam'>FileInput</span><span class='strut'>&nbsp;</span></p>
<p id='t855' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t856' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t857' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;No file was submitted. Check the encoding type on the form.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t858' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;missing&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;No file was submitted.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t859' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;empty&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;The submitted file is empty.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t860' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;max_length&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Ensure this filename has at most %(max)d characters (it has %(length)d).&#39;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t861' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;contradiction&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&#39;Please either submit a file or check the clear checkbox, not both.&#39;</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t862' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t863' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t864' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t865' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;max_length&#39;</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t866' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>allow_empty_file</span> <span class='op'>=</span> <span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>pop</span><span class='op'>(</span><span class='str'>&#39;allow_empty_file&#39;</span><span class='op'>,</span> <span class='nam'>False</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t867' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>FileField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t868' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t869' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>data</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t870' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>data</span> <span class='key'>in</span> <span class='nam'>validators</span><span class='op'>.</span><span class='nam'>EMPTY_VALUES</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t871' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t872' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t873' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># UploadedFile objects should have name and size attributes.</span><span class='strut'>&nbsp;</span></p>
<p id='t874' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t875' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>file_name</span> <span class='op'>=</span> <span class='nam'>data</span><span class='op'>.</span><span class='nam'>name</span><span class='strut'>&nbsp;</span></p>
<p id='t876' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>file_size</span> <span class='op'>=</span> <span class='nam'>data</span><span class='op'>.</span><span class='nam'>size</span><span class='strut'>&nbsp;</span></p>
<p id='t877' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>AttributeError</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t878' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t879' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t880' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>file_name</span><span class='op'>)</span> <span class='op'>&gt;</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t881' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>error_values</span> <span class='op'>=</span> <span class='op'>{</span><span class='str'>&#39;max&#39;</span><span class='op'>:</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>max_length</span><span class='op'>,</span> <span class='str'>&#39;length&#39;</span><span class='op'>:</span> <span class='nam'>len</span><span class='op'>(</span><span class='nam'>file_name</span><span class='op'>)</span><span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t882' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;max_length&#39;</span><span class='op'>]</span> <span class='op'>%</span> <span class='nam'>error_values</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t883' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>file_name</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t884' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t885' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>allow_empty_file</span> <span class='key'>and</span> <span class='key'>not</span> <span class='nam'>file_size</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t886' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;empty&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t887' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t888' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>data</span><span class='strut'>&nbsp;</span></p>
<p id='t889' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t890' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>value</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t891' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>value</span><span class='op'>.</span><span class='nam'>name</span><span class='strut'>&nbsp;</span></p>
<p id='t892' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t893' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t894' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>ImageField</span><span class='op'>(</span><span class='nam'>FileField</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t895' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>use_files</span> <span class='op'>=</span> <span class='nam'>True</span><span class='strut'>&nbsp;</span></p>
<p id='t896' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_name</span> <span class='op'>=</span> <span class='str'>&#39;ImageField&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t897' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>type_label</span> <span class='op'>=</span> <span class='str'>&#39;image upload&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t898' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>form_field_class</span> <span class='op'>=</span> <span class='nam'>forms</span><span class='op'>.</span><span class='nam'>ImageField</span><span class='strut'>&nbsp;</span></p>
<p id='t899' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t900' class='stm run hide_run'>&nbsp; &nbsp; <span class='nam'>default_error_messages</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'>&nbsp;</span></p>
<p id='t901' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&#39;invalid_image&#39;</span><span class='op'>:</span> <span class='nam'>_</span><span class='op'>(</span><span class='str'>&quot;Upload a valid image. The file you uploaded was &quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t902' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <span class='str'>&quot;either not an image or a corrupted image.&quot;</span><span class='op'>)</span><span class='op'>,</span><span class='strut'>&nbsp;</span></p>
<p id='t903' class='pln'>&nbsp; &nbsp; <span class='op'>}</span><span class='strut'>&nbsp;</span></p>
<p id='t904' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t905' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>data</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t906' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t907' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; Checks that the file-upload field data contains a valid image (GIF, JPG,</span><span class='strut'>&nbsp;</span></p>
<p id='t908' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; PNG, possibly others -- whatever the Python Imaging Library supports).</span><span class='strut'>&nbsp;</span></p>
<p id='t909' class='pln'><span class='str'>&nbsp; &nbsp; &nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t910' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>f</span> <span class='op'>=</span> <span class='nam'>super</span><span class='op'>(</span><span class='nam'>ImageField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>from_native</span><span class='op'>(</span><span class='nam'>data</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t911' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>f</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t912' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>None</span><span class='strut'>&nbsp;</span></p>
<p id='t913' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t914' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>from</span> <span class='nam'>compat</span> <span class='key'>import</span> <span class='nam'>Image</span><span class='strut'>&nbsp;</span></p>
<p id='t915' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>assert</span> <span class='nam'>Image</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>,</span> <span class='str'>&#39;PIL must be installed for ImageField support&#39;</span><span class='strut'>&nbsp;</span></p>
<p id='t916' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t917' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># We need to get a file object for PIL. We might have a path or we might</span><span class='strut'>&nbsp;</span></p>
<p id='t918' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># have to read the data into memory.</span><span class='strut'>&nbsp;</span></p>
<p id='t919' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>data</span><span class='op'>,</span> <span class='str'>&#39;temporary_file_path&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t920' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>file</span> <span class='op'>=</span> <span class='nam'>data</span><span class='op'>.</span><span class='nam'>temporary_file_path</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t921' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t922' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>data</span><span class='op'>,</span> <span class='str'>&#39;read&#39;</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t923' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>file</span> <span class='op'>=</span> <span class='nam'>BytesIO</span><span class='op'>(</span><span class='nam'>data</span><span class='op'>.</span><span class='nam'>read</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t924' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>else</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t925' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>file</span> <span class='op'>=</span> <span class='nam'>BytesIO</span><span class='op'>(</span><span class='nam'>data</span><span class='op'>[</span><span class='str'>&#39;content&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t926' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t927' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>try</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t928' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># load() could spot a truncated JPEG, but it loads the entire</span><span class='strut'>&nbsp;</span></p>
<p id='t929' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># image in memory, which is a DoS vector. See #3848 and #18520.</span><span class='strut'>&nbsp;</span></p>
<p id='t930' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># verify() must be called immediately after the constructor.</span><span class='strut'>&nbsp;</span></p>
<p id='t931' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>Image</span><span class='op'>.</span><span class='nam'>open</span><span class='op'>(</span><span class='nam'>file</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>verify</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t932' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>ImportError</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t933' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># Under PyPy, it is possible to import PIL. However, the underlying</span><span class='strut'>&nbsp;</span></p>
<p id='t934' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># _imaging C module isn&#39;t available, so an ImportError will be</span><span class='strut'>&nbsp;</span></p>
<p id='t935' class='pln'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='com'># raised. Catch and re-raise.</span><span class='strut'>&nbsp;</span></p>
<p id='t936' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span><span class='strut'>&nbsp;</span></p>
<p id='t937' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>except</span> <span class='nam'>Exception</span><span class='op'>:</span>&nbsp; <span class='com'># Python Imaging Library doesn&#39;t recognize it as an image</span><span class='strut'>&nbsp;</span></p>
<p id='t938' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>raise</span> <span class='nam'>ValidationError</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>error_messages</span><span class='op'>[</span><span class='str'>&#39;invalid_image&#39;</span><span class='op'>]</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t939' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>f</span><span class='op'>,</span> <span class='str'>&#39;seek&#39;</span><span class='op'>)</span> <span class='key'>and</span> <span class='nam'>callable</span><span class='op'>(</span><span class='nam'>f</span><span class='op'>.</span><span class='nam'>seek</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t940' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>f</span><span class='op'>.</span><span class='nam'>seek</span><span class='op'>(</span><span class='num'>0</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t941' class='stm mis'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>f</span><span class='strut'>&nbsp;</span></p>
<p id='t942' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t943' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t944' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>SerializerMethodField</span><span class='op'>(</span><span class='nam'>Field</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t945' class='pln'>&nbsp; &nbsp; <span class='str'>&quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t946' class='pln'><span class='str'>&nbsp; &nbsp; A field that gets its value by calling a method on the serializer it&#39;s attached to.</span><span class='strut'>&nbsp;</span></p>
<p id='t947' class='pln'><span class='str'>&nbsp; &nbsp; &quot;&quot;&quot;</span><span class='strut'>&nbsp;</span></p>
<p id='t948' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t949' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>__init__</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>method_name</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t950' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>self</span><span class='op'>.</span><span class='nam'>method_name</span> <span class='op'>=</span> <span class='nam'>method_name</span><span class='strut'>&nbsp;</span></p>
<p id='t951' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>super</span><span class='op'>(</span><span class='nam'>SerializerMethodField</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>__init__</span><span class='op'>(</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t952' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t953' class='stm run hide_run'>&nbsp; &nbsp; <span class='key'>def</span> <span class='nam'>field_to_native</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>field_name</span><span class='op'>)</span><span class='op'>:</span><span class='strut'>&nbsp;</span></p>
<p id='t954' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='nam'>value</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>parent</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>method_name</span><span class='op'>)</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
<p id='t955' class='stm run hide_run'>&nbsp; &nbsp; &nbsp; &nbsp; <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>to_native</span><span class='op'>(</span><span class='nam'>value</span><span class='op'>)</span><span class='strut'>&nbsp;</span></p>
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