Exceptions¶
Exception classes for marshmallow-related errors.
-
exception
marshmallow.exceptions.
FieldInstanceResolutionError
[source]¶ Raised when schema to instantiate is neither a Schema class nor an instance.
-
exception
marshmallow.exceptions.
MarshmallowError
[source]¶ Base class for all marshmallow-related errors.
-
exception
marshmallow.exceptions.
RegistryError
[source]¶ Raised when an invalid operation is performed on the serializer class registry.
-
exception
marshmallow.exceptions.
StringNotCollectionError
[source]¶ Raised when a string is passed when a list of strings is expected.
-
exception
marshmallow.exceptions.
ValidationError
(message: Union[str, List, Dict], field_name: str = '_schema', data: Optional[Union[Mapping[str, Any], Iterable[Mapping[str, Any]]]] = None, valid_data: Optional[Union[List[Dict[str, Any]], Dict[str, Any]]] = None, **kwargs)[source]¶ Raised when validation fails on a field or schema.
Validators and custom fields should raise this exception.
- Parameters
message – An error message, list of error messages, or dict of error messages. If a dict, the keys are subitems and the values are error messages.
field_name – Field name to store the error on. If
None
, the error is stored as schema-level error.data – Raw input data.
valid_data – Valid (de)serialized data.