pyarrow.unregister_extension_type#

pyarrow.unregister_extension_type(type_name)#

Unregister a Python extension type.

Parameters:

type_namestr: The name of the ExtensionType subclass to unregister.

Examples

Define a UuidType extension type subclassing ExtensionType:

>>> import pyarrow as pa
>>> class UuidType(pa.ExtensionType):
...    def __init__(self):
...       pa.ExtensionType.__init__(self, pa.binary(16), "my_package.uuid")
...    def __arrow_ext_serialize__(self):
...       # since we don't have a parameterized type, we don't need extra
...       # metadata to be deserialized
...       return b''
...    @classmethod
...    def __arrow_ext_deserialize__(self, storage_type, serialized):
...       # return an instance of this subclass given the serialized
...       # metadata.
...       return UuidType()
...

>>> pa.register_extension_type(UuidType())

Unregister the extension type:

>>> pa.unregister_extension_type("my_package.uuid")