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Modify 'to_internal_value' method for handling list

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modified the 'get_value' method in fields.py,
The value of primitive_value is a list of values to match the field.

Validate the primitive_value (list) elements one by one using the
run_validation method.

The verified value is appended to the validated_list

Finally, only when there are two or more elements of validated_list, they are
returned as a list.
This commit is contained in:
sol HYUN 2016-12-05 19:16:01 +09:00
parent d4cc5478dd
commit c66df67c49
1 changed files with 17 additions and 14 deletions
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31
rest_framework/serializers.py
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@ -454,26 +454,29 @@ class Serializer(BaseSerializer):
ret = OrderedDict() ret = OrderedDict()
errors = OrderedDict() errors = OrderedDict()
fields = self._writable_fields fields = self._writable_fields
for field in fields: for field in fields:
validate_method = getattr(self, 'validate_' + field.field_name, None) validate_method = getattr(self, 'validate_' + field.field_name, None)
primitive_value = field.get_value(data) primitive_value = field.get_value(data)
try: validated_list = []
validated_value = field.run_validation(primitive_value) for inner_data in primitive_value:
if validate_method is not None: try:
validated_value = validate_method(validated_value) validated_value = field.run_validation(inner_data)
except ValidationError as exc: validated_list.append(validated_value)
errors[field.field_name] = exc.detail if validate_method is not None:
except DjangoValidationError as exc: validated_list.append(validate_method(validated_value))
errors[field.field_name] = get_error_detail(exc) except ValidationError as exc:
except SkipField: errors[field.field_name] = exc.detail
pass except DjangoValidationError as exc:
errors[field.field_name] = get_error_detail(exc)
except SkipField:
pass
else: else:
set_value(ret, field.source_attrs, validated_value) if len(validated_list) > 1:
set_value(ret, field.source_attrs, validated_list)
else:
set_value(ret, field.source_attrs, validated_list[0])
if errors: if errors:
raise ValidationError(errors) raise ValidationError(errors)
return ret return ret
def to_representation(self, instance): def to_representation(self, instance):