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fix function names and dotted lookups for use in PrimaryKeyRelatedField.field_to_native (they work in RelatedField.field_to_native already)

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Craig de Stigter 2013-03-01 16:13:04 +13:00
parent 282af6057f
commit 84be169353
1 changed files with 12 additions and 4 deletions
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16
rest_framework/relations.py
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@ -215,12 +215,20 @@ class PrimaryKeyRelatedField(RelatedField):
def field_to_native(self, obj, field_name):
if self.many:
# To-many relationship
try:
queryset = None
if not self.source:
# Prefer obj.serializable_value for performance reasons
queryset = obj.serializable_value(self.source or field_name)
except AttributeError:
try:
queryset = obj.serializable_value(field_name)
except AttributeError:
pass
if queryset is None:
# RelatedManager (reverse relationship)
queryset = getattr(obj, self.source or field_name)
source = self.source or field_name
queryset = obj
for component in source.split('.'):
queryset = get_component(queryset, component)
# Forward relationship
return [self.to_native(item.pk) for item in queryset.all()]