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Merge pull request #181 from flashingpumpkin/master

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Maintain a reference to the parent/root serializer
This commit is contained in:
Tom Christie 2012-08-23 04:15:41 -07:00
commit db7d15d5d1
2 changed files with 16 additions and 6 deletions
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1
djangorestframework/resources.py
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@ -169,6 +169,7 @@ class FormResource(Resource):
) )
# Add any unknown field errors # Add any unknown field errors
if not self.allow_unknown_form_fields:
for key in unknown_fields: for key in unknown_fields:
field_errors[key] = [u'This field does not exist.'] field_errors[key] = [u'This field does not exist.']

15
djangorestframework/serializer.py
View File

@ -97,6 +97,11 @@ class Serializer(object):
The maximum depth to serialize to, or `None`. The maximum depth to serialize to, or `None`.
""" """
parent = None
"""
A reference to the root serializer when descending down into fields.
"""
def __init__(self, depth=None, stack=[], **kwargs): def __init__(self, depth=None, stack=[], **kwargs):
if depth is not None: if depth is not None:
self.depth = depth self.depth = depth
@ -130,9 +135,12 @@ class Serializer(object):
# If an element in `fields` is a 2-tuple of (str, tuple) # If an element in `fields` is a 2-tuple of (str, tuple)
# then the second element of the tuple is the fields to # then the second element of the tuple is the fields to
# set on the related serializer # set on the related serializer
if isinstance(info, (list, tuple)):
class OnTheFlySerializer(self.__class__): class OnTheFlySerializer(self.__class__):
fields = info fields = info
parent = getattr(self, 'parent') or self
if isinstance(info, (list, tuple)):
return OnTheFlySerializer return OnTheFlySerializer
# If an element in `fields` is a 2-tuple of (str, Serializer) # If an element in `fields` is a 2-tuple of (str, Serializer)
@ -150,8 +158,9 @@ class Serializer(object):
elif isinstance(info, str) and info in _serializers: elif isinstance(info, str) and info in _serializers:
return _serializers[info] return _serializers[info]
# Otherwise use `related_serializer` or fall back to `Serializer` # Otherwise use `related_serializer` or fall back to
return getattr(self, 'related_serializer') or Serializer # `OnTheFlySerializer` preserve custom serialization methods.
return getattr(self, 'related_serializer') or OnTheFlySerializer
def serialize_key(self, key): def serialize_key(self, key):
""" """