Remove erronous traceback

djangorestframework/views.py

@@ -113,61 +113,57 @@ class View(ResourceMixin, RequestMixin, ResponseMixin, AuthMixin, DjangoView):
     # all other authentication is CSRF exempt.
     @csrf_exempt
     def dispatch(self, request, *args, **kwargs):
+        self.request = request
+        self.args = args
+        self.kwargs = kwargs
+        self.headers = {}
+
+        # Calls to 'reverse' will not be fully qualified unless we set the scheme/host/port here.
+        prefix = '%s://%s' % (request.is_secure() and 'https' or 'http', request.get_host())
+        set_script_prefix(prefix)
+
         try:
-            self.request = request
-            self.args = args
-            self.kwargs = kwargs
-            self.headers = {}
-    
-            # Calls to 'reverse' will not be fully qualified unless we set the scheme/host/port here.
-            prefix = '%s://%s' % (request.is_secure() and 'https' or 'http', request.get_host())
-            set_script_prefix(prefix)
-    
-            try:
-                self.initial(request, *args, **kwargs)
-            
-                # Authenticate and check request has the relevant permissions
-                self._check_permissions()
-    
-                # Get the appropriate handler method
-                if self.method.lower() in self.http_method_names:
-                    handler = getattr(self, self.method.lower(), self.http_method_not_allowed)
-                else:
-                    handler = self.http_method_not_allowed
-    
-                response_obj = handler(request, *args, **kwargs)
-    
-                # Allow return value to be either HttpResponse, Response, or an object, or None
-                if isinstance(response_obj, HttpResponse):
-                    return response_obj
-                elif isinstance(response_obj, Response):
-                    response = response_obj
-                elif response_obj is not None:
-                    response = Response(status.HTTP_200_OK, response_obj)
-                else:
-                    response = Response(status.HTTP_204_NO_CONTENT)
-    
-                # Pre-serialize filtering (eg filter complex objects into natively serializable types)
-                response.cleaned_content = self.filter_response(response.raw_content)
+            self.initial(request, *args, **kwargs)
         
-            except ErrorResponse, exc:
-                response = exc.response
-            
-            # Always add these headers.
-            #
-            # TODO - this isn't actually the correct way to set the vary header,
-            # also it's currently sub-obtimal for HTTP caching - need to sort that out. 
-            response.headers['Allow'] = ', '.join(self.allowed_methods)
-            response.headers['Vary'] = 'Authenticate, Accept'
-            
-            # merge with headers possibly set at some point in the view
-            response.headers.update(self.headers)
-            
-            return self.render(response)    
-        except:
-            import traceback
-            traceback.print_exc()
-            raise
+            # Authenticate and check request has the relevant permissions
+            self._check_permissions()
+
+            # Get the appropriate handler method
+            if self.method.lower() in self.http_method_names:
+                handler = getattr(self, self.method.lower(), self.http_method_not_allowed)
+            else:
+                handler = self.http_method_not_allowed
+
+            response_obj = handler(request, *args, **kwargs)
+
+            # Allow return value to be either HttpResponse, Response, or an object, or None
+            if isinstance(response_obj, HttpResponse):
+                return response_obj
+            elif isinstance(response_obj, Response):
+                response = response_obj
+            elif response_obj is not None:
+                response = Response(status.HTTP_200_OK, response_obj)
+            else:
+                response = Response(status.HTTP_204_NO_CONTENT)
+
+            # Pre-serialize filtering (eg filter complex objects into natively serializable types)
+            response.cleaned_content = self.filter_response(response.raw_content)
+    
+        except ErrorResponse, exc:
+            response = exc.response
+        
+        # Always add these headers.
+        #
+        # TODO - this isn't actually the correct way to set the vary header,
+        # also it's currently sub-obtimal for HTTP caching - need to sort that out. 
+        response.headers['Allow'] = ', '.join(self.allowed_methods)
+        response.headers['Vary'] = 'Authenticate, Accept'
+        
+        # merge with headers possibly set at some point in the view
+        response.headers.update(self.headers)
+        
+        return self.render(response)    
+
 
 class ModelView(View):
     """A RESTful view that maps to a model in the database."""