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Fix ModelSerializer.get_validators with Meta property.

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The Meta subclass is sometimes a Field class and has the property
`validators`. Properties require an instance otherwise the property
object is returned which will result in an error when trying
`validators[:]`.
This commit is contained in:
Andreas Backx 2016-08-01 20:26:04 +02:00
parent 3ef3fee926
commit 82d955d345
1 changed files with 8 additions and 3 deletions
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11
rest_framework/serializers.py
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@ -1372,9 +1372,14 @@ class ModelSerializer(Serializer):
Determine the set of validators to use when instantiating serializer.
"""
# If the validators have been declared explicitly then use that.
validators = getattr(getattr(self, 'Meta', None), 'validators', None)
if validators is not None:
return validators[:]
meta = getattr(self, 'Meta', None)
if meta is not None:
validators = getattr(meta, 'validators', None)
if isinstance(validators, property):
validators = getattr(meta(), 'validators', None)
if validators is not None:
return validators[:]
# Otherwise use the default set of validators.
return (