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Fix saving reverse relations for Django<3

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This commit is contained in:
Martijn Jacobs 2020-09-23 16:00:51 +02:00
parent 7eb642b366
commit 6ab2709b25
1 changed files with 5 additions and 4 deletions
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9
rest_framework/serializers.py
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@ -933,12 +933,12 @@ class ModelSerializer(Serializer):
# instance is created
info = model_meta.get_field_info(ModelClass)
many_to_many = {}
reverse = []
reverse = {}
for field_name, relation_info in info.relations.items():
if relation_info.to_many and (field_name in validated_data):
many_to_many[field_name] = validated_data.pop(field_name)
elif relation_info.reverse and (field_name in validated_data):
reverse.append(field_name)
reverse[field_name] = validated_data[field_name]
try:
instance = ModelClass._default_manager.create(**validated_data)
@ -970,8 +970,9 @@ class ModelSerializer(Serializer):
# Save the reverse relations
if reverse:
for field_name in reverse:
getattr(instance, field_name).save()
for field_name, value in reverse.items():
setattr(instance, field_name, value)
value.save()
return instance