Merge c4cf24c57c into fd72a814f8

rest_framework/filters.py

@@ -55,6 +55,24 @@ else:
         assert False, 'django-filter must be installed to use the `FilterSet` class'
 
 
+class SimpleDjangoFilterBackend(BaseFilterBackend):
+    """
+    Really simple class that allows straightforward Django ORM filtering.
+    """
+    def filter_queryset(self, request, queryset, view):
+        filter_fields = getattr(view, 'filter_fields', None)
+        if filter_fields is None:
+            filter_fields = request.QUERY_PARAMS.keys()
+        # reduce relations to entry point only
+        fields = [field.split('__')[0] for field in filter_fields]
+        params = {}
+        for k, v in request.QUERY_PARAMS.iteritems():
+            # if entry point matches, collect the original key
+            if k.split('__')[0] in fields:
+                params.update({k: v[0] if isinstance(v, list) else v})
+        return queryset.filter(**params)
+
+
 class DjangoFilterBackend(BaseFilterBackend):
     """
     A filter backend that uses django-filter.