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<h1>Coverage for <b>rest_framework/permissions</b> :
<span class='pc_cov'>81%</span>
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63 statements
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<span class='mis shortkey_m' onclick='coverage.toggle_lines(this, "mis")'>12 missing</span>
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</td>
<td class='text' valign='top'>
<p id='t1' class='pln'><span class='str'>"""</span><span class='strut'> </span></p>
<p id='t2' class='pln'><span class='str'>Provides a set of pluggable permission policies.</span><span class='strut'> </span></p>
<p id='t3' class='pln'><span class='str'>"""</span><span class='strut'> </span></p>
<p id='t4' 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>
<p id='t5' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>inspect</span><span class='strut'> </span></p>
<p id='t6' class='stm run hide_run'><span class='key'>import</span> <span class='nam'>warnings</span><span class='strut'> </span></p>
<p id='t7' class='pln'><span class='strut'> </span></p>
<p id='t8' class='stm run hide_run'><span class='nam'>SAFE_METHODS</span> <span class='op'>=</span> <span class='op'>[</span><span class='str'>'GET'</span><span class='op'>,</span> <span class='str'>'HEAD'</span><span class='op'>,</span> <span class='str'>'OPTIONS'</span><span class='op'>]</span><span class='strut'> </span></p>
<p id='t9' class='pln'><span class='strut'> </span></p>
<p id='t10' 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='nam'>oauth2_provider_scope</span><span class='op'>,</span> <span class='nam'>oauth2_constants</span><span class='strut'> </span></p>
<p id='t11' class='pln'><span class='strut'> </span></p>
<p id='t12' class='pln'><span class='strut'> </span></p>
<p id='t13' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>BasePermission</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='t14' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t15' class='pln'><span class='str'> A base class from which all permission classes should inherit.</span><span class='strut'> </span></p>
<p id='t16' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t17' class='pln'><span class='strut'> </span></p>
<p id='t18' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t19' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t20' class='pln'><span class='str'> Return `True` if permission is granted, `False` otherwise.</span><span class='strut'> </span></p>
<p id='t21' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t22' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t23' class='pln'><span class='strut'> </span></p>
<p id='t24' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_object_permission</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='nam'>view</span><span class='op'>,</span> <span class='nam'>obj</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t25' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t26' class='pln'><span class='str'> Return `True` if permission is granted, `False` otherwise.</span><span class='strut'> </span></p>
<p id='t27' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t28' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>len</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'>self</span><span class='op'>.</span><span class='nam'>has_permission</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>args</span><span class='op'>)</span> <span class='op'>==</span> <span class='num'>4</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t29' 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='t30' class='pln'> <span class='str'>'The `obj` argument in `has_permission` is deprecated. '</span><span class='strut'> </span></p>
<p id='t31' class='pln'> <span class='str'>'Use `has_object_permission()` instead for object permissions.'</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t32' class='pln'> <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='strut'> </span></p>
<p id='t33' class='pln'> <span class='op'>)</span><span class='strut'> </span></p>
<p id='t34' class='stm mis'> <span class='key'>return</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>has_permission</span><span class='op'>(</span><span class='nam'>request</span><span class='op'>,</span> <span class='nam'>view</span><span class='op'>,</span> <span class='nam'>obj</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t35' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t36' class='pln'><span class='strut'> </span></p>
<p id='t37' class='pln'><span class='strut'> </span></p>
<p id='t38' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>AllowAny</span><span class='op'>(</span><span class='nam'>BasePermission</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t39' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t40' class='pln'><span class='str'> Allow any access.</span><span class='strut'> </span></p>
<p id='t41' class='pln'><span class='str'> This isn't strictly required, since you could use an empty</span><span class='strut'> </span></p>
<p id='t42' class='pln'><span class='str'> permission_classes list, but it's useful because it makes the intention</span><span class='strut'> </span></p>
<p id='t43' class='pln'><span class='str'> more explicit.</span><span class='strut'> </span></p>
<p id='t44' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t45' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t46' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t47' class='pln'><span class='strut'> </span></p>
<p id='t48' class='pln'><span class='strut'> </span></p>
<p id='t49' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>IsAuthenticated</span><span class='op'>(</span><span class='nam'>BasePermission</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t50' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t51' class='pln'><span class='str'> Allows access only to authenticated users.</span><span class='strut'> </span></p>
<p id='t52' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t53' class='pln'><span class='strut'> </span></p>
<p id='t54' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t55' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span> <span class='key'>and</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span><span class='op'>.</span><span class='nam'>is_authenticated</span><span class='op'>(</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t56' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t57' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t58' class='pln'><span class='strut'> </span></p>
<p id='t59' class='pln'><span class='strut'> </span></p>
<p id='t60' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>IsAdminUser</span><span class='op'>(</span><span class='nam'>BasePermission</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t61' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t62' class='pln'><span class='str'> Allows access only to admin users.</span><span class='strut'> </span></p>
<p id='t63' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t64' class='pln'><span class='strut'> </span></p>
<p id='t65' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t66' class='stm mis'> <span class='key'>if</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span> <span class='key'>and</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span><span class='op'>.</span><span class='nam'>is_staff</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t67' class='stm mis'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t68' class='stm mis'> <span class='key'>return</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t69' class='pln'><span class='strut'> </span></p>
<p id='t70' class='pln'><span class='strut'> </span></p>
<p id='t71' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>IsAuthenticatedOrReadOnly</span><span class='op'>(</span><span class='nam'>BasePermission</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t72' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t73' class='pln'><span class='str'> The request is authenticated as a user, or is a read-only request.</span><span class='strut'> </span></p>
<p id='t74' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t75' class='pln'><span class='strut'> </span></p>
<p id='t76' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t77' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>method</span> <span class='key'>in</span> <span class='nam'>SAFE_METHODS</span> <span class='key'>or</span><span class='strut'> </span></p>
<p id='t78' class='pln'> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span> <span class='key'>and</span><span class='strut'> </span></p>
<p id='t79' class='pln'> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span><span class='op'>.</span><span class='nam'>is_authenticated</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t80' class='stm mis'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t81' class='stm mis'> <span class='key'>return</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t82' class='pln'><span class='strut'> </span></p>
<p id='t83' class='pln'><span class='strut'> </span></p>
<p id='t84' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>DjangoModelPermissions</span><span class='op'>(</span><span class='nam'>BasePermission</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t85' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t86' class='pln'><span class='str'> The request is authenticated using `django.contrib.auth` permissions.</span><span class='strut'> </span></p>
<p id='t87' class='pln'><span class='str'> See: https://docs.djangoproject.com/en/dev/topics/auth/#permissions</span><span class='strut'> </span></p>
<p id='t88' class='pln'><span class='strut'> </span></p>
<p id='t89' class='pln'><span class='str'> It ensures that the user is authenticated, and has the appropriate</span><span class='strut'> </span></p>
<p id='t90' class='pln'><span class='str'> `add`/`change`/`delete` permissions on the model.</span><span class='strut'> </span></p>
<p id='t91' class='pln'><span class='strut'> </span></p>
<p id='t92' class='pln'><span class='str'> This permission can only be applied against view classes that</span><span class='strut'> </span></p>
<p id='t93' class='pln'><span class='str'> provide a `.model` or `.queryset` attribute.</span><span class='strut'> </span></p>
<p id='t94' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t95' class='pln'><span class='strut'> </span></p>
<p id='t96' class='pln'> <span class='com'># Map methods into required permission codes.</span><span class='strut'> </span></p>
<p id='t97' class='pln'> <span class='com'># Override this if you need to also provide 'view' permissions,</span><span class='strut'> </span></p>
<p id='t98' class='pln'> <span class='com'># or if you want to provide custom permission codes.</span><span class='strut'> </span></p>
<p id='t99' class='stm run hide_run'> <span class='nam'>perms_map</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'> </span></p>
<p id='t100' class='pln'> <span class='str'>'GET'</span><span class='op'>:</span> <span class='op'>[</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t101' class='pln'> <span class='str'>'OPTIONS'</span><span class='op'>:</span> <span class='op'>[</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t102' class='pln'> <span class='str'>'HEAD'</span><span class='op'>:</span> <span class='op'>[</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t103' class='pln'> <span class='str'>'POST'</span><span class='op'>:</span> <span class='op'>[</span><span class='str'>'%(app_label)s.add_%(model_name)s'</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t104' class='pln'> <span class='str'>'PUT'</span><span class='op'>:</span> <span class='op'>[</span><span class='str'>'%(app_label)s.change_%(model_name)s'</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t105' class='pln'> <span class='str'>'PATCH'</span><span class='op'>:</span> <span class='op'>[</span><span class='str'>'%(app_label)s.change_%(model_name)s'</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t106' class='pln'> <span class='str'>'DELETE'</span><span class='op'>:</span> <span class='op'>[</span><span class='str'>'%(app_label)s.delete_%(model_name)s'</span><span class='op'>]</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t107' class='pln'> <span class='op'>}</span><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='nam'>authenticated_users_only</span> <span class='op'>=</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t110' class='pln'><span class='strut'> </span></p>
<p id='t111' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>get_required_permissions</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>method</span><span class='op'>,</span> <span class='nam'>model_cls</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t112' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t113' class='pln'><span class='str'> Given a model and an HTTP method, return the list of permission</span><span class='strut'> </span></p>
<p id='t114' class='pln'><span class='str'> codes that the user is required to have.</span><span class='strut'> </span></p>
<p id='t115' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t116' class='stm run hide_run'> <span class='nam'>kwargs</span> <span class='op'>=</span> <span class='op'>{</span><span class='strut'> </span></p>
<p id='t117' class='pln'> <span class='str'>'app_label'</span><span class='op'>:</span> <span class='nam'>model_cls</span><span class='op'>.</span><span class='nam'>_meta</span><span class='op'>.</span><span class='nam'>app_label</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t118' class='pln'> <span class='str'>'model_name'</span><span class='op'>:</span> <span class='nam'>model_cls</span><span class='op'>.</span><span class='nam'>_meta</span><span class='op'>.</span><span class='nam'>module_name</span><span class='strut'> </span></p>
<p id='t119' class='pln'> <span class='op'>}</span><span class='strut'> </span></p>
<p id='t120' class='stm run hide_run'> <span class='key'>return</span> <span class='op'>[</span><span class='nam'>perm</span> <span class='op'>%</span> <span class='nam'>kwargs</span> <span class='key'>for</span> <span class='nam'>perm</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>perms_map</span><span class='op'>[</span><span class='nam'>method</span><span class='op'>]</span><span class='op'>]</span><span class='strut'> </span></p>
<p id='t121' class='pln'><span class='strut'> </span></p>
<p id='t122' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t123' class='stm run hide_run'> <span class='nam'>model_cls</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>view</span><span class='op'>,</span> <span class='str'>'model'</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t124' class='stm run hide_run'> <span class='nam'>queryset</span> <span class='op'>=</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>view</span><span class='op'>,</span> <span class='str'>'queryset'</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t125' class='pln'><span class='strut'> </span></p>
<p id='t126' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>model_cls</span> <span class='key'>is</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>queryset</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='t127' class='stm mis'> <span class='nam'>model_cls</span> <span class='op'>=</span> <span class='nam'>queryset</span><span class='op'>.</span><span class='nam'>model</span><span class='strut'> </span></p>
<p id='t128' class='pln'><span class='strut'> </span></p>
<p id='t129' class='pln'> <span class='com'># Workaround to ensure DjangoModelPermissions are not applied</span><span class='strut'> </span></p>
<p id='t130' class='pln'> <span class='com'># to the root view when using DefaultRouter.</span><span class='strut'> </span></p>
<p id='t131' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>model_cls</span> <span class='key'>is</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>getattr</span><span class='op'>(</span><span class='nam'>view</span><span class='op'>,</span> <span class='str'>'_ignore_model_permissions'</span><span class='op'>,</span> <span class='nam'>False</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t132' class='stm mis'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t133' class='pln'><span class='strut'> </span></p>
<p id='t134' class='stm run hide_run'> <span class='key'>assert</span> <span class='nam'>model_cls</span><span class='op'>,</span> <span class='op'>(</span><span class='str'>'Cannot apply DjangoModelPermissions on a view that'</span><span class='strut'> </span></p>
<p id='t135' class='pln'> <span class='str'>' does not have `.model` or `.queryset` property.'</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t136' class='pln'><span class='strut'> </span></p>
<p id='t137' class='stm run hide_run'> <span class='nam'>perms</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>get_required_permissions</span><span class='op'>(</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>method</span><span class='op'>,</span> <span class='nam'>model_cls</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t138' class='pln'><span class='strut'> </span></p>
<p id='t139' class='stm run hide_run'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span> <span class='key'>and</span><span class='strut'> </span></p>
<p id='t140' class='pln'> <span class='op'>(</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span><span class='op'>.</span><span class='nam'>is_authenticated</span><span class='op'>(</span><span class='op'>)</span> <span class='key'>or</span> <span class='key'>not</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>authenticated_users_only</span><span class='op'>)</span> <span class='key'>and</span><span class='strut'> </span></p>
<p id='t141' class='pln'> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>user</span><span class='op'>.</span><span class='nam'>has_perms</span><span class='op'>(</span><span class='nam'>perms</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t142' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t143' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t144' class='pln'><span class='strut'> </span></p>
<p id='t145' class='pln'><span class='strut'> </span></p>
<p id='t146' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>DjangoModelPermissionsOrAnonReadOnly</span><span class='op'>(</span><span class='nam'>DjangoModelPermissions</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t147' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t148' class='pln'><span class='str'> Similar to DjangoModelPermissions, except that anonymous users are</span><span class='strut'> </span></p>
<p id='t149' class='pln'><span class='str'> allowed read-only access.</span><span class='strut'> </span></p>
<p id='t150' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t151' class='stm run hide_run'> <span class='nam'>authenticated_users_only</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t152' class='pln'><span class='strut'> </span></p>
<p id='t153' class='pln'><span class='strut'> </span></p>
<p id='t154' class='stm run hide_run'><span class='key'>class</span> <span class='nam'>TokenHasReadWriteScope</span><span class='op'>(</span><span class='nam'>BasePermission</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t155' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t156' class='pln'><span class='str'> The request is authenticated as a user and the token used has the right scope</span><span class='strut'> </span></p>
<p id='t157' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t158' class='pln'><span class='strut'> </span></p>
<p id='t159' class='stm run hide_run'> <span class='key'>def</span> <span class='nam'>has_permission</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='nam'>view</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t160' class='stm run hide_run'> <span class='nam'>token</span> <span class='op'>=</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>auth</span><span class='strut'> </span></p>
<p id='t161' class='stm run hide_run'> <span class='nam'>read_only</span> <span class='op'>=</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>method</span> <span class='key'>in</span> <span class='nam'>SAFE_METHODS</span><span class='strut'> </span></p>
<p id='t162' class='pln'><span class='strut'> </span></p>
<p id='t163' class='stm run hide_run'> <span class='key'>if</span> <span class='key'>not</span> <span class='nam'>token</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t164' class='stm mis'> <span class='key'>return</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t165' class='pln'><span class='strut'> </span></p>
<p id='t166' class='stm run hide_run'> <span class='key'>if</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>token</span><span class='op'>,</span> <span class='str'>'resource'</span><span class='op'>)</span><span class='op'>:</span> <span class='com'># OAuth 1</span><span class='strut'> </span></p>
<p id='t167' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>read_only</span> <span class='key'>or</span> <span class='key'>not</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>auth</span><span class='op'>.</span><span class='nam'>resource</span><span class='op'>.</span><span class='nam'>is_readonly</span><span class='strut'> </span></p>
<p id='t168' class='stm run hide_run'> <span class='key'>elif</span> <span class='nam'>hasattr</span><span class='op'>(</span><span class='nam'>token</span><span class='op'>,</span> <span class='str'>'scope'</span><span class='op'>)</span><span class='op'>:</span> <span class='com'># OAuth 2</span><span class='strut'> </span></p>
<p id='t169' class='stm run hide_run'> <span class='nam'>required</span> <span class='op'>=</span> <span class='nam'>oauth2_constants</span><span class='op'>.</span><span class='nam'>READ</span> <span class='key'>if</span> <span class='nam'>read_only</span> <span class='key'>else</span> <span class='nam'>oauth2_constants</span><span class='op'>.</span><span class='nam'>WRITE</span><span class='strut'> </span></p>
<p id='t170' class='stm run hide_run'> <span class='key'>return</span> <span class='nam'>oauth2_provider_scope</span><span class='op'>.</span><span class='nam'>check</span><span class='op'>(</span><span class='nam'>required</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>auth</span><span class='op'>.</span><span class='nam'>scope</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t171' class='pln'><span class='strut'> </span></p>
<p id='t172' class='stm mis'> <span class='key'>assert</span> <span class='nam'>False</span><span class='op'>,</span> <span class='op'>(</span><span class='str'>'TokenHasReadWriteScope requires either the'</span><span class='strut'> </span></p>
<p id='t173' class='pln'> <span class='str'>'`OAuthAuthentication` or `OAuth2Authentication` authentication '</span><span class='strut'> </span></p>
<p id='t174' class='pln'> <span class='str'>'class to be used.'</span><span class='op'>)</span><span class='strut'> </span></p>
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