added ensure_ascii flag to JSONRenderer. UnicodeJSONRenderer now simply turns this to false

rest_framework/renderers.py

@@ -48,6 +48,7 @@ class JSONRenderer(BaseRenderer):
     media_type = 'application/json'
     format = 'json'
     encoder_class = encoders.JSONEncoder
+    ensure_ascii = True
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -71,7 +72,7 @@ class JSONRenderer(BaseRenderer):
             except (ValueError, TypeError):
                 indent = None
 
-        return json.dumps(data, cls=self.encoder_class, indent=indent)
+        return json.dumps(data, cls=self.encoder_class, indent=indent, ensure_ascii=self.ensure_ascii)
 
 
 class JSONPRenderer(JSONRenderer):
@@ -546,34 +547,4 @@ class BrowsableAPIUnicodeRenderer(BrowsableAPIRenderer):
 
 
 class UnicodeJSONRenderer(BaseRenderer):
-    """
-        Renderer which serializes to json.
-        """
-    
-    media_type = 'application/json'
-    format = 'json'
-    encoder_class = encoders.JSONEncoder
-    
-    def render(self, data, accepted_media_type=None, renderer_context=None):
-        """
-            Render `obj` into json.
-            """
-        if data is None:
-            return ''
-        
-        # If 'indent' is provided in the context, then pretty print the result.
-        # E.g. If we're being called by the BrowseableAPIRenderer.
-        renderer_context = renderer_context or {}
-        indent = renderer_context.get('indent', None)
-        
-        if accepted_media_type:
-            # If the media type looks like 'application/json; indent=4',
-            # then pretty print the result.
-            base_media_type, params = parse_header(accepted_media_type.encode('ascii'))
-            indent = params.get('indent', indent)
-            try:
-                indent = max(min(int(indent), 8), 0)
-            except (ValueError, TypeError):
-                indent = None
-        
-        return json.dumps(data, cls=self.encoder_class, indent=indent, ensure_ascii=False)
+    ensure_ascii = False