pyarrow.PyExtensionType

class pyarrow.PyExtensionType(DataType storage_type)

Bases: pyarrow.lib.ExtensionType

Concrete base class for Python-defined extension types based on pickle for (de)serialization.

Parameters
storage_typeDataType

The storage type for which the extension is built.

__init__(*args, **kwargs)

Methods

__init__(*args, **kwargs)

equals(self, other)

Return true if type is equivalent to passed value.

to_pandas_dtype(self)

Return the equivalent NumPy / Pandas dtype.

wrap_array(self, storage)

Wrap the given storage array as an extension array.

Attributes

bit_width

extension_name

The extension type name.

id

num_buffers

Number of data buffers required to construct Array type excluding children.

num_children

The number of child fields.

num_fields

The number of child fields.

storage_type

The underlying storage type.

bit_width
equals(self, other)

Return true if type is equivalent to passed value.

Parameters
otherDataType or str convertible to DataType
Returns
is_equalbool
extension_name

The extension type name.

id
num_buffers

Number of data buffers required to construct Array type excluding children.

num_children

The number of child fields.

num_fields

The number of child fields.

storage_type

The underlying storage type.

to_pandas_dtype(self)

Return the equivalent NumPy / Pandas dtype.

wrap_array(self, storage)

Wrap the given storage array as an extension array.

Parameters
storageArray or ChunkedArray
Returns
arrayArray or ChunkedArray

Extension array wrapping the storage array