Add 'view' argument to 'get_fields()'

rest_framework/filters.py

@@ -71,7 +71,7 @@ class BaseFilterBackend(object):
         """
         raise NotImplementedError(".filter_queryset() must be overridden.")
 
-    def get_fields(self):
+    def get_fields(self, view):
         return []
 
 
@@ -130,7 +130,7 @@ class DjangoFilterBackend(BaseFilterBackend):
         template = loader.get_template(self.template)
         return template_render(template, context)
 
-    def get_fields(self):
+    def get_fields(self, view):
         filter_class = getattr(view, 'filter_class', None)
         if filter_class:
             return list(filter_class().filters.keys())
@@ -205,7 +205,7 @@ class SearchFilter(BaseFilterBackend):
         template = loader.get_template(self.template)
         return template_render(template, context)
 
-    def get_fields(self):
+    def get_fields(self, view):
         return [self.search_param]
 
 
@@ -321,7 +321,7 @@ class OrderingFilter(BaseFilterBackend):
         context = self.get_template_context(request, queryset, view)
         return template_render(template, context)
 
-    def get_fields(self):
+    def get_fields(self, view):
         return [self.ordering_param]
 
 

rest_framework/pagination.py

@@ -157,7 +157,7 @@ class BasePagination(object):
     def get_results(self, data):
         return data['results']
 
-    def get_fields(self):
+    def get_fields(self, view):
         return []
 
 
@@ -283,7 +283,7 @@ class PageNumberPagination(BasePagination):
         context = self.get_html_context()
         return template_render(template, context)
 
-    def get_fields(self):
+    def get_fields(self, view):
         if self.page_size_query_param is None:
             return [self.page_query_param]
         return [self.page_query_param, self.page_size_query_param]
@@ -412,7 +412,7 @@ class LimitOffsetPagination(BasePagination):
         context = self.get_html_context()
         return template_render(template, context)
 
-    def get_fields(self):
+    def get_fields(self, view):
         return [self.limit_query_param, self.offset_query_param]
 
 
@@ -719,5 +719,5 @@ class CursorPagination(BasePagination):
         context = self.get_html_context()
         return template_render(template, context)
 
-    def get_fields(self):
+    def get_fields(self, view):
         return [self.cursor_query_param]

rest_framework/schemas.py

@@ -231,7 +231,7 @@ class SchemaGenerator(object):
             return []
 
         paginator = view.pagination_class()
-        return paginator.get_fields()
+        return paginator.get_fields(view)
 
     def get_filter_fields(self, path, method, callback, view):
         if method != 'GET':
@@ -245,5 +245,5 @@ class SchemaGenerator(object):
 
         fields = []
         for filter_backend in view.filter_backends:
-            fields += filter_backend().get_fields()
+            fields += filter_backend().get_fields(view)
         return fields