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<title>Coverage for rest_framework/mixins: 93%</title>
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<h1>Coverage for <b>rest_framework/mixins</b> :
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<span class='pc_cov'>93%</span>
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97 statements
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<p id='t1' class='pln'><span class='str'>"""</span><span class='strut'> </span></p>
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<p id='t2' class='pln'><span class='str'>Basic building blocks for generic class based views.</span><span class='strut'> </span></p>
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<p id='t3' class='pln'><span class='strut'> </span></p>
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<p id='t4' class='pln'><span class='str'>We don't bind behaviour to http method handlers yet,</span><span class='strut'> </span></p>
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<p id='t5' class='pln'><span class='str'>which allows mixin classes to be composed in interesting ways.</span><span class='strut'> </span></p>
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<p id='t6' class='pln'><span class='str'>"""</span><span class='strut'> </span></p>
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<p id='t7' 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'> </span></p>
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<p id='t8' class='pln'><span class='strut'> </span></p>
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<p id='t9' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>http</span> <span class='key'>import</span> <span class='nam'>Http404</span><span class='strut'> </span></p>
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<p id='t10' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>rest_framework</span> <span class='key'>import</span> <span class='nam'>status</span><span class='strut'> </span></p>
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<p id='t11' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>rest_framework</span><span class='op'>.</span><span class='nam'>response</span> <span class='key'>import</span> <span class='nam'>Response</span><span class='strut'> </span></p>
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<p id='t12' class='stm run hide_run'><span class='key'>from</span> <span class='nam'>rest_framework</span><span class='op'>.</span><span class='nam'>request</span> <span class='key'>import</span> <span class='nam'>clone_request</span><span class='strut'> </span></p>
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<p id='t13' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>warnings</span><span class='strut'> </span></p>
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<p id='t14' class='pln'><span class='strut'> </span></p>
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<p id='t15' class='pln'><span class='strut'> </span></p>
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<p id='t16' class='stm run hide_run'><span class='key'>def</span> <span class='nam'>_get_validation_exclusions</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>pk</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>slug_field</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>lookup_field</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t17' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
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<p id='t18' class='pln'><span class='str'> Given a model instance, and an optional pk and slug field,</span><span class='strut'> </span></p>
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<p id='t19' class='pln'><span class='str'> return the full list of all other field names on that model.</span><span class='strut'> </span></p>
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<p id='t20' class='pln'><span class='strut'> </span></p>
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<p id='t21' class='pln'><span class='str'> For use when performing full_clean on a model instance,</span><span class='strut'> </span></p>
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<p id='t22' class='pln'><span class='str'> so we only clean the required fields.</span><span class='strut'> </span></p>
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<p id='t23' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
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<p id='t24' class='stm run hide_run'> <span class='nam'>include</span> <span class='op'>=</span> <span class='op'>[</span><span class='op'>]</span><span class='strut'> </span></p>
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<p id='t25' class='pln'><span class='strut'> </span></p>
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<p id='t26' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>pk</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t27' class='pln'> <span class='com'># Pending deprecation</span><span class='strut'> </span></p>
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<p id='t28' class='stm run hide_run'> <span class='nam'>pk_field</span> <span class='op'>=</span> <span class='nam'>obj</span><span class='op'>.</span><span class='nam'>_meta</span><span class='op'>.</span><span class='nam'>pk</span><span class='strut'> </span></p>
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<p id='t29' class='stm run hide_run'> <span class='key'>while</span> <span class='nam'>pk_field</span><span class='op'>.</span><span class='nam'>rel</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t30' class='stm mis'> <span class='nam'>pk_field</span> <span class='op'>=</span> <span class='nam'>pk_field</span><span class='op'>.</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'>pk</span><span class='strut'> </span></p>
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<p id='t31' class='stm run hide_run'> <span class='nam'>include</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>pk_field</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t32' class='pln'><span class='strut'> </span></p>
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|
<p id='t33' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>slug_field</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t34' class='pln'> <span class='com'># Pending deprecation</span><span class='strut'> </span></p>
|
|
<p id='t35' class='stm run hide_run'> <span class='nam'>include</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>slug_field</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t36' class='pln'><span class='strut'> </span></p>
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|
<p id='t37' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>lookup_field</span> <span class='key'>and</span> <span class='nam'>lookup_field</span> <span class='op'>!=</span> <span class='str'>'pk'</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t38' class='stm run hide_run'> <span class='nam'>include</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>lookup_field</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t39' class='pln'><span class='strut'> </span></p>
|
|
<p id='t40' class='stm run hide_run'> <span class='key'>return</span> <span class='op'>[</span><span class='nam'>field</span><span class='op'>.</span><span class='nam'>name</span> <span class='key'>for</span> <span class='nam'>field</span> <span class='key'>in</span> <span class='nam'>obj</span><span class='op'>.</span><span class='nam'>_meta</span><span class='op'>.</span><span class='nam'>fields</span> <span class='key'>if</span> <span class='nam'>field</span><span class='op'>.</span><span class='nam'>name</span> <span class='key'>not</span> <span class='key'>in</span> <span class='nam'>include</span><span class='op'>]</span><span class='strut'> </span></p>
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|
<p id='t41' class='pln'><span class='strut'> </span></p>
|
|
<p id='t42' class='pln'><span class='strut'> </span></p>
|
|
<p id='t43' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>CreateModelMixin</span><span class='op'>(</span><span class='nam'>object</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t44' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
|
|
<p id='t45' class='pln'><span class='str'> Create a model instance.</span><span class='strut'> </span></p>
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<p id='t46' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
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|
<p id='t47' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>create</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</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'> </span></p>
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|
<p id='t48' class='stm run hide_run'> <span class='nam'>serializer</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_serializer</span><span class='op'>(</span><span class='nam'>data</span><span class='op'>=</span><span class='nam'>request</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'>request</span><span class='op'>.</span><span class='nam'>FILES</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t49' class='pln'><span class='strut'> </span></p>
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|
<p id='t50' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>is_valid</span><span class='op'>(</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t51' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>pre_save</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>object</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t52' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span> <span class='op'>=</span> <span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>save</span><span class='op'>(</span><span class='nam'>force_insert</span><span class='op'>=</span><span class='nam'>True</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t53' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>post_save</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span><span class='op'>,</span> <span class='nam'>created</span><span class='op'>=</span><span class='nam'>True</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t54' class='stm run hide_run'> <span class='nam'>headers</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_success_headers</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t55' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>,</span> <span class='nam'>status</span><span class='op'>=</span><span class='nam'>status</span><span class='op'>.</span><span class='nam'>HTTP_201_CREATED</span><span class='op'>,</span><span class='strut'> </span></p>
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|
<p id='t56' class='pln'> <span class='nam'>headers</span><span class='op'>=</span><span class='nam'>headers</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t57' class='pln'><span class='strut'> </span></p>
|
|
<p id='t58' class='stm mis'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>errors</span><span class='op'>,</span> <span class='nam'>status</span><span class='op'>=</span><span class='nam'>status</span><span class='op'>.</span><span class='nam'>HTTP_400_BAD_REQUEST</span><span class='op'>)</span><span class='strut'> </span></p>
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|
<p id='t59' class='pln'><span class='strut'> </span></p>
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|
<p id='t60' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>get_success_headers</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'> </span></p>
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|
<p id='t61' class='stm run hide_run'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t62' class='stm run hide_run'> <span class='key'>return</span> <span class='op'>{</span><span class='str'>'Location'</span><span class='op'>:</span> <span class='nam'>data</span><span class='op'>[</span><span class='str'>'url'</span><span class='op'>]</span><span class='op'>}</span><span class='strut'> </span></p>
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|
<p id='t63' class='stm run hide_run'> <span class='key'>except</span> <span class='op'>(</span><span class='nam'>TypeError</span><span class='op'>,</span> <span class='nam'>KeyError</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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|
<p id='t64' class='stm run hide_run'> <span class='key'>return</span> <span class='op'>{</span><span class='op'>}</span><span class='strut'> </span></p>
|
|
<p id='t65' class='pln'><span class='strut'> </span></p>
|
|
<p id='t66' class='pln'><span class='strut'> </span></p>
|
|
<p id='t67' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>ListModelMixin</span><span class='op'>(</span><span class='nam'>object</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
|
|
<p id='t68' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
|
|
<p id='t69' class='pln'><span class='str'> List a queryset.</span><span class='strut'> </span></p>
|
|
<p id='t70' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
|
|
<p id='t71' class='stm run hide_run'> <span class='nam'>empty_error</span> <span class='op'>=</span> <span class='str'>"Empty list and '%(class_name)s.allow_empty' is False."</span><span class='strut'> </span></p>
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|
<p id='t72' class='pln'><span class='strut'> </span></p>
|
|
<p id='t73' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>list</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</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'> </span></p>
|
|
<p id='t74' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object_list</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>filter_queryset</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_queryset</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t75' class='pln'><span class='strut'> </span></p>
|
|
<p id='t76' class='pln'> <span class='com'># Default is to allow empty querysets. This can be altered by setting</span><span class='strut'> </span></p>
|
|
<p id='t77' class='pln'> <span class='com'># `.allow_empty = False`, to raise 404 errors on empty querysets.</span><span class='strut'> </span></p>
|
|
<p id='t78' class='stm run hide_run'> <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>allow_empty</span> <span class='key'>and</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object_list</span><span class='op'>:</span><span class='strut'> </span></p>
|
|
<p id='t79' class='stm mis'> <span class='nam'>warnings</span><span class='op'>.</span><span class='nam'>warn</span><span class='op'>(</span><span class='strut'> </span></p>
|
|
<p id='t80' class='pln'> <span class='str'>'The `allow_empty` parameter is due to be deprecated. '</span><span class='strut'> </span></p>
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|
<p id='t81' class='pln'> <span class='str'>'To use `allow_empty=False` style behavior, You should override '</span><span class='strut'> </span></p>
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|
<p id='t82' class='pln'> <span class='str'>'`get_queryset()` and explicitly raise a 404 on empty querysets.'</span><span class='op'>,</span><span class='strut'> </span></p>
|
|
<p id='t83' class='pln'> <span class='nam'>PendingDeprecationWarning</span><span class='strut'> </span></p>
|
|
<p id='t84' class='pln'> <span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t85' class='stm mis'> <span class='nam'>class_name</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'>__name__</span><span class='strut'> </span></p>
|
|
<p id='t86' class='stm mis'> <span class='nam'>error_msg</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>empty_error</span> <span class='op'>%</span> <span class='op'>{</span><span class='str'>'class_name'</span><span class='op'>:</span> <span class='nam'>class_name</span><span class='op'>}</span><span class='strut'> </span></p>
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|
<p id='t87' class='stm mis'> <span class='key'>raise</span> <span class='nam'>Http404</span><span class='op'>(</span><span class='nam'>error_msg</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t88' class='pln'><span class='strut'> </span></p>
|
|
<p id='t89' class='pln'> <span class='com'># Switch between paginated or standard style responses</span><span class='strut'> </span></p>
|
|
<p id='t90' class='stm run hide_run'> <span class='nam'>page</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>paginate_queryset</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>object_list</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t91' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>page</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'> </span></p>
|
|
<p id='t92' class='stm run hide_run'> <span class='nam'>serializer</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_pagination_serializer</span><span class='op'>(</span><span class='nam'>page</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t93' class='pln'> <span class='key'>else</span><span class='op'>:</span><span class='strut'> </span></p>
|
|
<p id='t94' class='stm run hide_run'> <span class='nam'>serializer</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_serializer</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>object_list</span><span class='op'>,</span> <span class='nam'>many</span><span class='op'>=</span><span class='nam'>True</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t95' class='pln'><span class='strut'> </span></p>
|
|
<p id='t96' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t97' class='pln'><span class='strut'> </span></p>
|
|
<p id='t98' class='pln'><span class='strut'> </span></p>
|
|
<p id='t99' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>RetrieveModelMixin</span><span class='op'>(</span><span class='nam'>object</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
|
|
<p id='t100' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
|
|
<p id='t101' class='pln'><span class='str'> Retrieve a model instance.</span><span class='strut'> </span></p>
|
|
<p id='t102' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
|
|
<p id='t103' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>retrieve</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</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'> </span></p>
|
|
<p id='t104' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_object</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t105' class='stm run hide_run'> <span class='nam'>serializer</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_serializer</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t106' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>)</span><span class='strut'> </span></p>
|
|
<p id='t107' class='pln'><span class='strut'> </span></p>
|
|
<p id='t108' class='pln'><span class='strut'> </span></p>
|
|
<p id='t109' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>UpdateModelMixin</span><span class='op'>(</span><span class='nam'>object</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
|
|
<p id='t110' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
|
|
<p id='t111' class='pln'><span class='str'> Update a model instance.</span><span class='strut'> </span></p>
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<p id='t112' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
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<p id='t113' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>update</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</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'> </span></p>
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<p id='t114' class='stm run hide_run'> <span class='nam'>partial</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'>'partial'</span><span class='op'>,</span> <span class='nam'>False</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t115' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_object_or_none</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t116' class='pln'><span class='strut'> </span></p>
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<p id='t117' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t118' class='stm run hide_run'> <span class='nam'>created</span> <span class='op'>=</span> <span class='nam'>True</span><span class='strut'> </span></p>
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<p id='t119' class='stm run hide_run'> <span class='nam'>save_kwargs</span> <span class='op'>=</span> <span class='op'>{</span><span class='str'>'force_insert'</span><span class='op'>:</span> <span class='nam'>True</span><span class='op'>}</span><span class='strut'> </span></p>
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<p id='t120' class='stm run hide_run'> <span class='nam'>success_status_code</span> <span class='op'>=</span> <span class='nam'>status</span><span class='op'>.</span><span class='nam'>HTTP_201_CREATED</span><span class='strut'> </span></p>
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<p id='t121' class='pln'> <span class='key'>else</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t122' class='stm run hide_run'> <span class='nam'>created</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'> </span></p>
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<p id='t123' class='stm run hide_run'> <span class='nam'>save_kwargs</span> <span class='op'>=</span> <span class='op'>{</span><span class='str'>'force_update'</span><span class='op'>:</span> <span class='nam'>True</span><span class='op'>}</span><span class='strut'> </span></p>
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<p id='t124' class='stm run hide_run'> <span class='nam'>success_status_code</span> <span class='op'>=</span> <span class='nam'>status</span><span class='op'>.</span><span class='nam'>HTTP_200_OK</span><span class='strut'> </span></p>
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<p id='t125' class='pln'><span class='strut'> </span></p>
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<p id='t126' class='stm run hide_run'> <span class='nam'>serializer</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_serializer</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span><span class='op'>,</span> <span class='nam'>data</span><span class='op'>=</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>DATA</span><span class='op'>,</span><span class='strut'> </span></p>
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<p id='t127' class='pln'> <span class='nam'>files</span><span class='op'>=</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>FILES</span><span class='op'>,</span> <span class='nam'>partial</span><span class='op'>=</span><span class='nam'>partial</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t128' class='pln'><span class='strut'> </span></p>
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<p id='t129' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>is_valid</span><span class='op'>(</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t130' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>pre_save</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>object</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t131' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span> <span class='op'>=</span> <span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>save</span><span class='op'>(</span><span class='op'>**</span><span class='nam'>save_kwargs</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t132' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>post_save</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>object</span><span class='op'>,</span> <span class='nam'>created</span><span class='op'>=</span><span class='nam'>created</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t133' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>,</span> <span class='nam'>status</span><span class='op'>=</span><span class='nam'>success_status_code</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t134' class='pln'><span class='strut'> </span></p>
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<p id='t135' class='stm mis'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>serializer</span><span class='op'>.</span><span class='nam'>errors</span><span class='op'>,</span> <span class='nam'>status</span><span class='op'>=</span><span class='nam'>status</span><span class='op'>.</span><span class='nam'>HTTP_400_BAD_REQUEST</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t136' class='pln'><span class='strut'> </span></p>
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<p id='t137' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>partial_update</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</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'> </span></p>
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<p id='t138' class='stm run hide_run'> <span class='nam'>kwargs</span><span class='op'>[</span><span class='str'>'partial'</span><span class='op'>]</span> <span class='op'>=</span> <span class='nam'>True</span><span class='strut'> </span></p>
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<p id='t139' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>update</span><span class='op'>(</span><span class='nam'>request</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'> </span></p>
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<p id='t140' class='pln'><span class='strut'> </span></p>
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<p id='t141' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>get_object_or_none</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t142' class='stm run hide_run'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t143' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_object</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t144' class='stm run hide_run'> <span class='key'>except</span> <span class='nam'>Http404</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t145' class='pln'> <span class='com'># If this is a PUT-as-create operation, we need to ensure that</span><span class='strut'> </span></p>
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<p id='t146' class='pln'> <span class='com'># we have relevant permissions, as if this was a POST request.</span><span class='strut'> </span></p>
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<p id='t147' class='pln'> <span class='com'># This will either raise a PermissionDenied exception,</span><span class='strut'> </span></p>
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<p id='t148' class='pln'> <span class='com'># or simply return None</span><span class='strut'> </span></p>
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<p id='t149' class='stm run hide_run'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>check_permissions</span><span class='op'>(</span><span class='nam'>clone_request</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>request</span><span class='op'>,</span> <span class='str'>'POST'</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t150' class='pln'><span class='strut'> </span></p>
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<p id='t151' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>pre_save</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='op'>:</span><span class='strut'> </span></p>
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<p id='t152' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
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<p id='t153' class='pln'><span class='str'> Set any attributes on the object that are implicit in the request.</span><span class='strut'> </span></p>
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<p id='t154' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
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<p id='t155' class='pln'> <span class='com'># pk and/or slug attributes are implicit in the URL.</span><span class='strut'> </span></p>
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<p id='t156' class='stm run hide_run'> <span class='nam'>lookup</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>lookup_field</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t157' class='stm run hide_run'> <span class='nam'>pk</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>pk_url_kwarg</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t158' class='stm run hide_run'> <span class='nam'>slug</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>slug_url_kwarg</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t159' class='stm run hide_run'> <span class='nam'>slug_field</span> <span class='op'>=</span> <span class='nam'>slug</span> <span class='key'>and</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>slug_field</span> <span class='key'>or</span> <span class='nam'>None</span><span class='strut'> </span></p>
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<p id='t160' class='pln'><span class='strut'> </span></p>
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<p id='t161' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>lookup</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t162' class='stm run hide_run'> <span class='nam'>setattr</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>lookup_field</span><span class='op'>,</span> <span class='nam'>lookup</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t163' class='pln'><span class='strut'> </span></p>
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<p id='t164' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>pk</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t165' class='stm run hide_run'> <span class='nam'>setattr</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='str'>'pk'</span><span class='op'>,</span> <span class='nam'>pk</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t166' class='pln'><span class='strut'> </span></p>
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<p id='t167' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>slug</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t168' class='stm run hide_run'> <span class='nam'>setattr</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>slug_field</span><span class='op'>,</span> <span class='nam'>slug</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t169' class='pln'><span class='strut'> </span></p>
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<p id='t170' class='pln'> <span class='com'># Ensure we clean the attributes so that we don't eg return integer</span><span class='strut'> </span></p>
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<p id='t171' class='pln'> <span class='com'># pk using a string representation, as provided by the url conf kwarg.</span><span class='strut'> </span></p>
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<p id='t172' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='str'>'full_clean'</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t173' class='stm run hide_run'> <span class='nam'>exclude</span> <span class='op'>=</span> <span class='nam'>_get_validation_exclusions</span><span class='op'>(</span><span class='nam'>obj</span><span class='op'>,</span> <span class='nam'>pk</span><span class='op'>,</span> <span class='nam'>slug_field</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>lookup_field</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t174' class='stm run hide_run'> <span class='nam'>obj</span><span class='op'>.</span><span class='nam'>full_clean</span><span class='op'>(</span><span class='nam'>exclude</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t175' class='pln'><span class='strut'> </span></p>
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<p id='t176' class='pln'><span class='strut'> </span></p>
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<p id='t177' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>DestroyModelMixin</span><span class='op'>(</span><span class='nam'>object</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
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<p id='t178' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
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<p id='t179' class='pln'><span class='str'> Destroy a model instance.</span><span class='strut'> </span></p>
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<p id='t180' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
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<p id='t181' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>destroy</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</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'> </span></p>
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<p id='t182' class='stm run hide_run'> <span class='nam'>obj</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_object</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t183' class='stm run hide_run'> <span class='nam'>obj</span><span class='op'>.</span><span class='nam'>delete</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
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<p id='t184' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>status</span><span class='op'>=</span><span class='nam'>status</span><span class='op'>.</span><span class='nam'>HTTP_204_NO_CONTENT</span><span class='op'>)</span><span class='strut'> </span></p>
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