diff options
Diffstat (limited to 'rest_framework/serializers.py')
| -rw-r--r-- | rest_framework/serializers.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index a43a81d7..42218e7d 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -107,6 +107,7 @@ class BaseSerializer(WritableField): self.parent = None self.root = None self.partial = partial + self.delete = False self.context = context or {} @@ -215,6 +216,15 @@ class BaseSerializer(WritableField): for field_name, field in self.fields.items(): field.initialize(parent=self, field_name=field_name) + if isinstance(field, ModelSerializer) and self.object: + # Set the serializer object if it exists + pk_field_name = field.opts.model._meta.pk.name + obj = getattr(self.object, field_name) + nested_data = data.get(field_name) + pk_val = nested_data.get(pk_field_name) if nested_data else None + if obj and (getattr(obj, pk_field_name) == pk_val): + field.object = obj + field.delete = nested_data.get('_delete') try: field.field_from_native(data, files, field_name, reverted_data) except ValidationError as err: @@ -565,6 +575,10 @@ class ModelSerializer(Serializer): return instance def _save(self, parent=None, fk_field=None): + if self.delete: + self.object.delete() + return + if parent and fk_field: setattr(self.object, fk_field, parent) self.object.save() |