mirror of
https://github.com/explosion/spaCy.git
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85 lines
3.2 KiB
Python
85 lines
3.2 KiB
Python
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from ..char_classes import (
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LIST_ELLIPSES,
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LIST_ICONS,
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HYPHENS,
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LIST_PUNCT,
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LIST_QUOTES,
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CURRENCY,
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UNITS,
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PUNCT,
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LIST_CURRENCY,
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CONCAT_QUOTES,
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)
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from ..char_classes import CONCAT_QUOTES, ALPHA_LOWER, ALPHA_UPPER, ALPHA
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from ..char_classes import merge_chars
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from ..punctuation import TOKENIZER_PREFIXES as BASE_TOKENIZER_PREFIXES
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INCLUDE_SPECIAL = ["\\+", "\\/", "\\•", "\\¯", "\\=", "\\×"] + HYPHENS.split("|")
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_prefixes = INCLUDE_SPECIAL + BASE_TOKENIZER_PREFIXES
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_suffixes = (
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INCLUDE_SPECIAL
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+ LIST_PUNCT
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+ LIST_ELLIPSES
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+ LIST_QUOTES
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+ LIST_ICONS
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+ [
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r"(?<=°[FfCcKk])\.",
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r"(?<=[0-9])(?:{c})".format(c=CURRENCY),
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r"(?<=[0-9])(?:{u})".format(u=UNITS),
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r"(?<=[{al}{e}{p}(?:{q})])\.".format(
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al=ALPHA_LOWER, e=r"%²\-\+", q=CONCAT_QUOTES, p=PUNCT
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),
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r"(?<=[{au}][{au}])\.".format(au=ALPHA_UPPER),
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# split initials like J.K. Rowling
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r"(?<=[A-Z]\.)(?:[A-Z].)",
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]
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)
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# a list of all suffixes following a hyphen that are shouldn't split (eg. BTC-jev)
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# source: Obeliks tokenizer - https://github.com/clarinsi/obeliks/blob/master/obeliks/res/TokRulesPart1.txt
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CONCAT_QUOTES = CONCAT_QUOTES.replace("'", "")
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HYPHENS_PERMITTED = (
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"((a)|(evemu)|(evskega)|(i)|(jevega)|(jevska)|(jevskimi)|(jinemu)|(oma)|(ovim)|"
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"(ovski)|(e)|(evi)|(evskem)|(ih)|(jevem)|(jevske)|(jevsko)|(jini)|(ov)|(ovima)|"
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"(ovskih)|(em)|(evih)|(evskemu)|(ja)|(jevemu)|(jevskega)|(ji)|(jinih)|(ova)|"
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"(ovimi)|(ovskim)|(ema)|(evim)|(evski)|(je)|(jevi)|(jevskem)|(jih)|(jinim)|"
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"(ove)|(ovo)|(ovskima)|(ev)|(evima)|(evskih)|(jem)|(jevih)|(jevskemu)|(jin)|"
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"(jinima)|(ovega)|(ovska)|(ovskimi)|(eva)|(evimi)|(evskim)|(jema)|(jevim)|"
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"(jevski)|(jina)|(jinimi)|(ovem)|(ovske)|(ovsko)|(eve)|(evo)|(evskima)|(jev)|"
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"(jevima)|(jevskih)|(jine)|(jino)|(ovemu)|(ovskega)|(u)|(evega)|(evska)|"
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"(evskimi)|(jeva)|(jevimi)|(jevskim)|(jinega)|(ju)|(ovi)|(ovskem)|(evem)|"
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"(evske)|(evsko)|(jeve)|(jevo)|(jevskima)|(jinem)|(om)|(ovih)|(ovskemu)|"
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"(ovec)|(ovca)|(ovcu)|(ovcem)|(ovcev)|(ovcema)|(ovcih)|(ovci)|(ovce)|(ovcimi)|"
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"(evec)|(evca)|(evcu)|(evcem)|(evcev)|(evcema)|(evcih)|(evci)|(evce)|(evcimi)|"
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"(jevec)|(jevca)|(jevcu)|(jevcem)|(jevcev)|(jevcema)|(jevcih)|(jevci)|(jevce)|"
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"(jevcimi)|(ovka)|(ovke)|(ovki)|(ovko)|(ovk)|(ovkama)|(ovkah)|(ovkam)|(ovkami)|"
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"(evka)|(evke)|(evki)|(evko)|(evk)|(evkama)|(evkah)|(evkam)|(evkami)|(jevka)|"
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"(jevke)|(jevki)|(jevko)|(jevk)|(jevkama)|(jevkah)|(jevkam)|(jevkami)|(timi)|"
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"(im)|(ima)|(a)|(imi)|(e)|(o)|(ega)|(ti)|(em)|(tih)|(emu)|(tim)|(i)|(tima)|"
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"(ih)|(ta)|(te)|(to)|(tega)|(tem)|(temu))"
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)
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_infixes = (
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LIST_ELLIPSES
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+ LIST_ICONS
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+ [
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r"(?<=[0-9])[+\-\*^](?=[0-9-])",
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r"(?<=[{al}{q}])\.(?=[{au}{q}])".format(
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al=ALPHA_LOWER, au=ALPHA_UPPER, q=CONCAT_QUOTES
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),
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r"(?<=[{a}]),(?=[{a}])".format(a=ALPHA),
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r"(?<=[{a}0-9])(?:{h})(?!{hp}$)(?=[{a}])".format(
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a=ALPHA, h=HYPHENS, hp=HYPHENS_PERMITTED
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),
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r"(?<=[{a}0-9])[:<>=/](?=[{a}])".format(a=ALPHA),
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]
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)
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TOKENIZER_PREFIXES = _prefixes
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TOKENIZER_SUFFIXES = _suffixes
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TOKENIZER_INFIXES = _infixes
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