mirror of
https://github.com/encode/django-rest-framework.git
synced 2025-03-21 02:14:19 +03:00
Combined link_* and action_* decorators into detail_route and list_route, marked the originals as deprecated.
This commit is contained in:
Alex Burgel
parent
ca7ba07b4e
commit
eaae8fb2d9
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@ -35,12 +35,12 @@ The example above would generate the following URL patterns:
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* URL pattern: `^accounts/$` Name: `'account-list'`
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* URL pattern: `^accounts/{pk}/$` Name: `'account-detail'`
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### Extra link and actions
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### Registering additional routes
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Any methods on the viewset decorated with `@link` or `@action` will also be routed.
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Any methods on the viewset decorated with `@detail_route` or `@list_route` will also be routed.
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For example, a given method like this on the `UserViewSet` class:
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@action(permission_classes=[IsAdminOrIsSelf])
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@detail_route(methods=['post'], permission_classes=[IsAdminOrIsSelf])
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def set_password(self, request, pk=None):
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...
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@ -52,7 +52,7 @@ The following URL pattern would additionally be generated:
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## SimpleRouter
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This router includes routes for the standard set of `list`, `create`, `retrieve`, `update`, `partial_update` and `destroy` actions. The viewset can also mark additional methods to be routed, using the `@link` or `@action` decorators.
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This router includes routes for the standard set of `list`, `create`, `retrieve`, `update`, `partial_update` and `destroy` actions. The viewset can also mark additional methods to be routed, using the `@detail_route` or `@list_route` decorators.
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<table border=1>
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<tr><th>URL Style</th><th>HTTP Method</th><th>Action</th><th>URL Name</th></tr>
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@ -62,8 +62,8 @@ This router includes routes for the standard set of `list`, `create`, `retrieve`
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<tr><td>PUT</td><td>update</td></tr>
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<tr><td>PATCH</td><td>partial_update</td></tr>
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<tr><td>DELETE</td><td>destroy</td></tr>
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<tr><td rowspan=2>{prefix}/{lookup}/{methodname}/</td><td>GET</td><td>@link decorated method</td><td rowspan=2>{basename}-{methodname}</td></tr>
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<tr><td>POST</td><td>@action decorated method</td></tr>
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<tr><td rowspan=2>{prefix}/{lookup}/{methodname}/</td><td>GET</td><td>@detail_route decorated method</td><td rowspan=2>{basename}-{methodname}</td></tr>
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<tr><td>POST</td><td>@detail_route decorated method</td></tr>
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</table>
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By default the URLs created by `SimpleRouter` are appending with a trailing slash.
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@ -86,8 +86,8 @@ This router is similar to `SimpleRouter` as above, but additionally includes a d
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<tr><td>PUT</td><td>update</td></tr>
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<tr><td>PATCH</td><td>partial_update</td></tr>
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<tr><td>DELETE</td><td>destroy</td></tr>
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<tr><td rowspan=2>{prefix}/{lookup}/{methodname}/[.format]</td><td>GET</td><td>@link decorated method</td><td rowspan=2>{basename}-{methodname}</td></tr>
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<tr><td>POST</td><td>@action decorated method</td></tr>
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<tr><td rowspan=2>{prefix}/{lookup}/{methodname}/[.format]</td><td>GET</td><td>@detail_route decorated method</td><td rowspan=2>{basename}-{methodname}</td></tr>
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<tr><td>POST</td><td>@detail_route decorated method</td></tr>
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</table>
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As with `SimpleRouter` the trailing slashs on the URL routes can be removed by setting the `trailing_slash` argument to `False` when instantiating the router.
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@ -92,15 +92,15 @@ The default routers included with REST framework will provide routes for a stand
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def destroy(self, request, pk=None):
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pass
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If you have ad-hoc methods that you need to be routed to, you can mark them as requiring routing using the `@link`, `@action`, `@list_link`, or `@list_action` decorators. The `@link` and `@list_link` decorators will route `GET` requests, and the `@action` and `@list_action` decorators will route `POST` requests.
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If you have ad-hoc methods that you need to be routed to, you can mark them as requiring routing using the `@detail_route` or `@list_route` decorators.
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The `@link` and `@action` decorators contain `pk` in their URL pattern and are intended for methods which require a single instance. The `@list_link` and `@list_action` decorators are intended for methods which operate on a list of objects.
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The `@detail_route` decorator contains `pk` in its URL pattern and is intended for methods which require a single instance. The `@list_route` decorator is intended for methods which operate on a list of objects.
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For example:
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from django.contrib.auth.models import User
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from rest_framework import viewsets
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from rest_framework.decorators import action, list_link
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from rest_framework.decorators import detail_route, list_route
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from rest_framework.response import Response
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from myapp.serializers import UserSerializer, PasswordSerializer
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@ -111,7 +111,7 @@ For example:
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queryset = User.objects.all()
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serializer_class = UserSerializer
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@action()
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@detail_route(methods=['post'])
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def set_password(self, request, pk=None):
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user = self.get_object()
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serializer = PasswordSerializer(data=request.DATA)
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@ -123,7 +123,7 @@ For example:
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return Response(serializer.errors,
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status=status.HTTP_400_BAD_REQUEST)
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@list_link()
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@list_route()
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def recent_users(self, request):
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recent_users = User.objects.all().order('-last_login')
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page = self.paginate_queryset(recent_users)
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@ -132,13 +132,13 @@ For example:
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The decorators can additionally take extra arguments that will be set for the routed view only. For example...
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@action(permission_classes=[IsAdminOrIsSelf])
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@detail_route(methods=['post'], permission_classes=[IsAdminOrIsSelf])
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def set_password(self, request, pk=None):
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...
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The `@action` and `@list_action` decorators will route `POST` requests by default, but may also accept other HTTP methods, by using the `methods` argument. For example:
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By default, the decorators will route `GET` requests, but may also accept other HTTP methods, by using the `methods` argument. For example:
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@action(methods=['POST', 'DELETE'])
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@detail_route(methods=['post', 'delete'])
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def unset_password(self, request, pk=None):
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...
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---
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@ -25,7 +25,7 @@ Here we've used `ReadOnlyModelViewSet` class to automatically provide the defaul
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Next we're going to replace the `SnippetList`, `SnippetDetail` and `SnippetHighlight` view classes. We can remove the three views, and again replace them with a single class.
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from rest_framework.decorators import link
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from rest_framework.decorators import detail_route
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class SnippetViewSet(viewsets.ModelViewSet):
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"""
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@ -39,7 +39,7 @@ Next we're going to replace the `SnippetList`, `SnippetDetail` and `SnippetHighl
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permission_classes = (permissions.IsAuthenticatedOrReadOnly,
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IsOwnerOrReadOnly,)
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@link(renderer_classes=[renderers.StaticHTMLRenderer])
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@detail_route(renderer_classes=[renderers.StaticHTMLRenderer])
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def highlight(self, request, *args, **kwargs):
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snippet = self.get_object()
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return Response(snippet.highlighted)
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@ -49,9 +49,9 @@ Next we're going to replace the `SnippetList`, `SnippetDetail` and `SnippetHighl
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This time we've used the `ModelViewSet` class in order to get the complete set of default read and write operations.
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Notice that we've also used the `@link` decorator to create a custom action, named `highlight`. This decorator can be used to add any custom endpoints that don't fit into the standard `create`/`update`/`delete` style.
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Notice that we've also used the `@detail_route` decorator to create a custom action, named `highlight`. This decorator can be used to add any custom endpoints that don't fit into the standard `create`/`update`/`delete` style.
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Custom actions which use the `@link` decorator will respond to `GET` requests. We could have instead used the `@action` decorator if we wanted an action that responded to `POST` requests.
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Custom actions which use the `@detail_route` decorator will respond to `GET` requests. We can use the `methods` argument if we wanted an action that responded to `POST` requests.
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## Binding ViewSets to URLs explicitly
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@ -3,13 +3,14 @@ The most important decorator in this module is `@api_view`, which is used
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for writing function-based views with REST framework.
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There are also various decorators for setting the API policies on function
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based views, as well as the `@action` and `@link` decorators, which are
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based views, as well as the `@detail_route` and `@list_route` decorators, which are
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used to annotate methods on viewsets that should be included by routers.
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"""
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from __future__ import unicode_literals
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from rest_framework.compat import six
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from rest_framework.views import APIView
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import types
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import warnings
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def api_view(http_method_names):
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@ -111,6 +112,8 @@ def link(**kwargs):
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"""
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Used to mark a method on a ViewSet that should be routed for detail GET requests.
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"""
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msg = 'link is pending deprecation. Use detail_route instead.'
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warnings.warn(msg, PendingDeprecationWarning, stacklevel=2)
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def decorator(func):
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func.bind_to_methods = ['get']
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func.detail = True
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@ -123,6 +126,8 @@ def action(methods=['post'], **kwargs):
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"""
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Used to mark a method on a ViewSet that should be routed for detail POST requests.
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"""
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msg = 'action is pending deprecation. Use detail_route instead.'
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warnings.warn(msg, PendingDeprecationWarning, stacklevel=2)
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def decorator(func):
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func.bind_to_methods = methods
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func.detail = True
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@ -131,21 +136,21 @@ def action(methods=['post'], **kwargs):
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return decorator
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def list_link(**kwargs):
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def detail_route(methods=['get'], **kwargs):
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"""
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Used to mark a method on a ViewSet that should be routed for GET requests.
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Used to mark a method on a ViewSet that should be routed for detail requests.
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"""
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def decorator(func):
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func.bind_to_methods = ['get']
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func.detail = False
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func.bind_to_methods = methods
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func.detail = True
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func.kwargs = kwargs
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return func
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return decorator
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def list_action(methods=['post'], **kwargs):
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def list_route(methods=['get'], **kwargs):
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"""
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Used to mark a method on a ViewSet that should be routed for POST requests.
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Used to mark a method on a ViewSet that should be routed for list requests.
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"""
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def decorator(func):
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func.bind_to_methods = methods
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@ -91,7 +91,7 @@ class SimpleRouter(BaseRouter):
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initkwargs={'suffix': 'List'}
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),
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# Dynamically generated list routes.
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# Generated using @list_action or @list_link decorators
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# Generated using @list_route decorator
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# on methods of the viewset.
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DynamicListRoute(
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url=r'^{prefix}/{methodname}{trailing_slash}$',
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@ -111,7 +111,7 @@ class SimpleRouter(BaseRouter):
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initkwargs={'suffix': 'Instance'}
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),
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# Dynamically generated detail routes.
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# Generated using @action or @link decorators on methods of the viewset.
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# Generated using @detail_route decorator on methods of the viewset.
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DynamicDetailRoute(
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url=r'^{prefix}/{lookup}/{methodname}{trailing_slash}$',
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name='{basename}-{methodnamehyphen}',
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@ -148,7 +148,7 @@ class SimpleRouter(BaseRouter):
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known_actions = flatten([route.mapping.values() for route in self.routes if isinstance(route, Route)])
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# Determine any `@action` or `@link` decorated methods on the viewset
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# Determine any `@detail_route` or `@list_route` decorated methods on the viewset
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detail_routes = []
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list_routes = []
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for methodname in dir(viewset):
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@ -157,8 +157,8 @@ class SimpleRouter(BaseRouter):
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detail = getattr(attr, 'detail', True)
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if httpmethods:
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if methodname in known_actions:
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raise ImproperlyConfigured('Cannot use @action, @link, @list_action '
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'or @list_link decorator on method "%s" '
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raise ImproperlyConfigured('Cannot use @detail_route or @list_route '
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'decorators on method "%s" '
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'as it is an existing route' % methodname)
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httpmethods = [method.lower() for method in httpmethods]
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if detail:
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@ -169,7 +169,7 @@ class SimpleRouter(BaseRouter):
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ret = []
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for route in self.routes:
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if isinstance(route, DynamicDetailRoute):
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# Dynamic detail routes (@link or @action decorator)
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# Dynamic detail routes (@detail_route decorator)
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for httpmethods, methodname in detail_routes:
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initkwargs = route.initkwargs.copy()
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initkwargs.update(getattr(viewset, methodname).kwargs)
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@ -180,7 +180,7 @@ class SimpleRouter(BaseRouter):
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initkwargs=initkwargs,
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))
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elif isinstance(route, DynamicListRoute):
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# Dynamic list routes (@list_link or @list_action decorator)
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# Dynamic list routes (@list_route decorator)
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for httpmethods, methodname in list_routes:
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initkwargs = route.initkwargs.copy()
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initkwargs.update(getattr(viewset, methodname).kwargs)
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@ -4,7 +4,7 @@ from django.test import TestCase
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from django.core.exceptions import ImproperlyConfigured
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from rest_framework import serializers, viewsets, permissions
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from rest_framework.compat import include, patterns, url
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from rest_framework.decorators import link, action, list_link, list_action
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from rest_framework.decorators import detail_route, list_route
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from rest_framework.response import Response
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from rest_framework.routers import SimpleRouter, DefaultRouter
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from rest_framework.test import APIRequestFactory
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@ -18,23 +18,23 @@ class BasicViewSet(viewsets.ViewSet):
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def list(self, request, *args, **kwargs):
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return Response({'method': 'list'})
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@action()
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@detail_route(methods=['post'])
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def action1(self, request, *args, **kwargs):
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return Response({'method': 'action1'})
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@action()
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@detail_route(methods=['post'])
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def action2(self, request, *args, **kwargs):
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return Response({'method': 'action2'})
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@action(methods=['post', 'delete'])
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@detail_route(methods=['post', 'delete'])
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def action3(self, request, *args, **kwargs):
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return Response({'method': 'action2'})
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@link()
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@detail_route()
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def link1(self, request, *args, **kwargs):
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return Response({'method': 'link1'})
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@link()
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@detail_route()
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def link2(self, request, *args, **kwargs):
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return Response({'method': 'link2'})
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@ -175,7 +175,7 @@ class TestActionKeywordArgs(TestCase):
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class TestViewSet(viewsets.ModelViewSet):
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permission_classes = []
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@action(permission_classes=[permissions.AllowAny])
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@detail_route(methods=['post'], permission_classes=[permissions.AllowAny])
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def custom(self, request, *args, **kwargs):
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return Response({
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'permission_classes': self.permission_classes
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@ -196,14 +196,14 @@ class TestActionKeywordArgs(TestCase):
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class TestActionAppliedToExistingRoute(TestCase):
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"""
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Ensure `@action` decorator raises an except when applied
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Ensure `@detail_route` decorator raises an except when applied
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to an existing route
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"""
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def test_exception_raised_when_action_applied_to_existing_route(self):
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class TestViewSet(viewsets.ModelViewSet):
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@action()
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@detail_route(methods=['post'])
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def retrieve(self, request, *args, **kwargs):
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return Response({
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'hello': 'world'
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@ -220,20 +220,20 @@ class DynamicListAndDetailViewSet(viewsets.ViewSet):
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def list(self, request, *args, **kwargs):
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return Response({'method': 'list'})
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@list_action()
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def list_action(self, request, *args, **kwargs):
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@list_route(methods=['post'])
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def list_route_post(self, request, *args, **kwargs):
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return Response({'method': 'action1'})
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@action()
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def detail_action(self, request, *args, **kwargs):
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@detail_route(methods=['post'])
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def detail_route_post(self, request, *args, **kwargs):
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return Response({'method': 'action2'})
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@list_link()
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def list_link(self, request, *args, **kwargs):
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@list_route()
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def list_route_get(self, request, *args, **kwargs):
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return Response({'method': 'link1'})
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@link()
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def detail_link(self, request, *args, **kwargs):
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@detail_route()
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def detail_route_get(self, request, *args, **kwargs):
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return Response({'method': 'link2'})
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@ -241,11 +241,11 @@ class TestDynamicListAndDetailRouter(TestCase):
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def setUp(self):
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self.router = SimpleRouter()
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def test_link_and_action_decorator(self):
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def test_list_and_detail_route_decorators(self):
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routes = self.router.get_routes(DynamicListAndDetailViewSet)
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decorator_routes = [r for r in routes if not (r.name.endswith('-list') or r.name.endswith('-detail'))]
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# Make sure all these endpoints exist and none have been clobbered
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for i, endpoint in enumerate(['list_action', 'list_link', 'detail_action', 'detail_link']):
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for i, endpoint in enumerate(['list_route_get', 'list_route_post', 'detail_route_get', 'detail_route_post']):
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route = decorator_routes[i]
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# check url listing
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if endpoint.startswith('list_'):
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@ -255,7 +255,7 @@ class TestDynamicListAndDetailRouter(TestCase):
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self.assertEqual(route.url,
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'^{{prefix}}/{{lookup}}/{0}{{trailing_slash}}$'.format(endpoint))
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# check method to function mapping
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if endpoint.endswith('action'):
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if endpoint.endswith('_post'):
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method_map = 'post'
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else:
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method_map = 'get'
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