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[WIP/RFC] use field default value if not allow_null

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This is meant to be used with FK remote field lookups (`source =
'foo.bar'`), where `foo` is a model and `bar` is `None` there.

     serializers.CharField(source='foo.bar', default='default')
This commit is contained in:
Daniel Hahler 2018-02-07 20:02:41 +01:00
parent c456b3c510
commit 929937693c
1 changed files with 7 additions and 0 deletions
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7
rest_framework/serializers.py
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@ -499,6 +499,13 @@ class Serializer(BaseSerializer):
# resolve the pk value. # resolve the pk value.
check_for_none = attribute.pk if isinstance(attribute, PKOnlyObject) else attribute check_for_none = attribute.pk if isinstance(attribute, PKOnlyObject) else attribute
if check_for_none is None: if check_for_none is None:
if not field.allow_null:
try:
ret[field.field_name] = field.get_default()
except SkipField:
pass
else:
continue
ret[field.field_name] = None ret[field.field_name] = None
else: else:
ret[field.field_name] = field.to_representation(attribute) ret[field.field_name] = field.to_representation(attribute)