Tweak parsers to take parser_context

1 files changed, 8 insertions, 7 deletions

diff --git a/rest_framework/permissions.py b/rest_framework/permissions.py
index 13ea39ea..6f848cee 100644
--- a/rest_framework/permissions.py
+++ b/rest_framework/permissions.py
@@ -1,8 +1,5 @@
 """
-The :mod:`permissions` module bundles a set of permission classes that are used
-for checking if a request passes a certain set of constraints.
-
-Permission behavior is provided by mixing the :class:`mixins.PermissionsMixin` class into a :class:`View` class.
+Provides a set of pluggable permission policies.
 """
 
 
@@ -16,7 +13,7 @@ class BasePermission(object):
 
     def has_permission(self, request, view, obj=None):
         """
-        Should simply return, or raise an :exc:`response.ImmediateResponse`.
+        Return `True` if permission is granted, `False` otherwise.
         """
         raise NotImplementedError(".has_permission() must be overridden.")
 
@@ -64,7 +61,8 @@ class DjangoModelPermissions(BasePermission):
     It ensures that the user is authenticated, and has the appropriate
     `add`/`change`/`delete` permissions on the model.
 
-    This permission should only be used on views with a `ModelResource`.
+    This permission will only be applied against view classes that
+    provide a `.model` attribute, such as the generic class-based views.
     """
 
     # Map methods into required permission codes.
@@ -92,7 +90,10 @@ class DjangoModelPermissions(BasePermission):
         return [perm % kwargs for perm in self.perms_map[method]]
 
     def has_permission(self, request, view, obj=None):
-        model_cls = view.model
+        model_cls = getattr(view, 'model', None)
+        if not model_cls:
+            return True
+
         perms = self.get_required_permissions(request.method, model_cls)
 
         if (request.user and