add endpoint argument to @action and @link decorators

docs/api-guide/routers.md

@@ -48,6 +48,14 @@ The following URL pattern would additionally be generated:
 
 * URL pattern: `^users/{pk}/set_password/$`  Name: `'user-set-password'`
 
+You can customize endpoint name by supplying `endpoint` argument like this:
+
+    @action(endpoint='fancy-name')
+    def do_stuff(self, request, pk=None):
+        ...
+
+* URL pattern: `^users/{pk}/fancy-name/$`  Name: `'user-do-stuff'`
+
 # API Guide
 
 ## SimpleRouter

docs/api-guide/viewsets.md

@@ -131,6 +131,12 @@ The `@action` decorator will route `POST` requests by default, but may also acce
         @action(methods=['POST', 'DELETE'])
         def unset_password(self, request, pk=None):
            ...
+
+By default endpoint match method name, but this can be overridden with `endpoint` argument.
+
+        @action(endpoint='fancy-name')
+        def do_stuff(self, request, pk=None):
+            ...
 ---
 
 # API Reference

rest_framework/decorators.py

@@ -107,23 +107,25 @@ def permission_classes(permission_classes):
     return decorator
 
 
-def link(**kwargs):
+def link(endpoint=None, **kwargs):
     """
     Used to mark a method on a ViewSet that should be routed for GET requests.
     """
     def decorator(func):
         func.bind_to_methods = ['get']
         func.kwargs = kwargs
+        func.endpoint = endpoint or func.__name__
         return func
     return decorator
 
 
-def action(methods=['post'], **kwargs):
+def action(methods=['post'], endpoint=None, **kwargs):
     """
     Used to mark a method on a ViewSet that should be routed for POST requests.
     """
     def decorator(func):
         func.bind_to_methods = methods
         func.kwargs = kwargs
+        func.endpoint = endpoint or func.__name__
         return func
     return decorator

rest_framework/routers.py

@@ -147,22 +147,24 @@ class SimpleRouter(BaseRouter):
             attr = getattr(viewset, methodname)
             httpmethods = getattr(attr, 'bind_to_methods', None)
             if httpmethods:
-                if methodname in known_actions:
+                endpoint = getattr(attr, 'endpoint')
+                if endpoint in known_actions:
                     raise ImproperlyConfigured('Cannot use @action or @link decorator on '
-                                               'method "%s" as it is an existing route' % methodname)
+                                               'method "%s" as %s is an existing route'
+                                               % (methodname, endpoint))
                 httpmethods = [method.lower() for method in httpmethods]
-                dynamic_routes.append((httpmethods, methodname))
+                dynamic_routes.append((httpmethods, methodname, endpoint))
 
         ret = []
         for route in self.routes:
             if route.mapping == {'{httpmethod}': '{methodname}'}:
                 # Dynamic routes (@link or @action decorator)
-                for httpmethods, methodname in dynamic_routes:
+                for httpmethods, methodname, endpoint in dynamic_routes:
                     initkwargs = route.initkwargs.copy()
                     initkwargs.update(getattr(viewset, methodname).kwargs)
                     ret.append(Route(
-                        url=replace_methodname(route.url, methodname),
-                        mapping=dict((httpmethod, methodname) for httpmethod in httpmethods),
+                        url=replace_methodname(route.url, endpoint),
+                        mapping=dict((httpmethod, endpoint) for httpmethod in httpmethods),
                         name=replace_methodname(route.name, methodname),
                         initkwargs=initkwargs,
                     ))

rest_framework/tests/test_routers.py

@@ -30,6 +30,10 @@ class BasicViewSet(viewsets.ViewSet):
     def action3(self, request, *args, **kwargs):
         return Response({'method': 'action2'})
 
+    @action(endpoint='action-name')
+    def action4(self, request, *args, **kwargs):
+        return Response({'method': 'action4'})
+
     @link()
     def link1(self, request, *args, **kwargs):
         return Response({'method': 'link1'})
@@ -38,6 +42,10 @@ class BasicViewSet(viewsets.ViewSet):
     def link2(self, request, *args, **kwargs):
         return Response({'method': 'link2'})
 
+    @link(endpoint='link-name')
+    def link3(self, request, *args, **kwargs):
+        return Response({'method': 'link3'})
+    
 
 class TestSimpleRouter(TestCase):
     def setUp(self):
@@ -47,7 +55,8 @@ class TestSimpleRouter(TestCase):
         routes = self.router.get_routes(BasicViewSet)
         decorator_routes = routes[2:]
         # Make sure all these endpoints exist and none have been clobbered
-        for i, endpoint in enumerate(['action1', 'action2', 'action3', 'link1', 'link2']):
+        for i, endpoint in enumerate(['action1', 'action2', 'action3', 'action-name',
+                                      'link1', 'link2', 'link-name']):
             route = decorator_routes[i]
             # check url listing
             self.assertEqual(route.url,