Metadata API should examine child serializer if passed parent ListSerializer. Closes #2035.

1 files changed, 4 insertions, 0 deletions

diff --git a/rest_framework/metadata.py b/rest_framework/metadata.py
index b08d3ab6..90d3f2e0 100644
--- a/rest_framework/metadata.py
+++ b/rest_framework/metadata.py
@@ -96,6 +96,10 @@ class SimpleMetadata(BaseMetadata):
         Given an instance of a serializer, return a dictionary of metadata
         about its fields.
         """
+        if hasattr(serializer, 'child'):
+            # If this is a `ListSerializer` then we want to examine the
+            # underlying child serializer instance instead.
+            serializer = serializer.child
         return OrderedDict([
             (field_name, self.get_field_info(field))
             for field_name, field in serializer.fields.items()