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ModelSerializer perform_create and perform_update

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The ModelSerializer function should expose two simple methods intended to be overridden by users if they only want to customize the Model saving call when creating and updating the instance.
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Danilo Reinert 2021-05-14 19:55:37 -03:00 committed by GitHub
parent 3875d3284e
commit 83ed1f8fea
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1 changed files with 8 additions and 2 deletions
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10
rest_framework/serializers.py
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@ -936,7 +936,7 @@ class ModelSerializer(Serializer):
many_to_many[field_name] = validated_data.pop(field_name)
try:
instance = ModelClass._default_manager.create(**validated_data)
instance = perform_create(ModelClass, validated_data)
except TypeError:
tb = traceback.format_exc()
msg = (
@ -964,6 +964,9 @@ class ModelSerializer(Serializer):
field.set(value)
return instance
def perform_create(ModelClass, validated_data):
return ModelClass._default_manager.create(**validated_data)
def update(self, instance, validated_data):
raise_errors_on_nested_writes('update', self, validated_data)
@ -980,7 +983,7 @@ class ModelSerializer(Serializer):
else:
setattr(instance, attr, value)
instance.save()
perform_update(instance)
# Note that many-to-many fields are set after updating instance.
# Setting m2m fields triggers signals which could potentially change
@ -991,6 +994,9 @@ class ModelSerializer(Serializer):
return instance
def perform_update(instance):
instance.save()
# Determine the fields to apply...
def get_fields(self):