{{ header }} .. _api.extensions: ========== Extensions ========== .. currentmodule:: pandas These are primarily intended for library authors looking to extend pandas objects. .. autosummary:: :toctree: api/ api.extensions.register_extension_dtype api.extensions.register_dataframe_accessor api.extensions.register_series_accessor api.extensions.register_index_accessor api.extensions.ExtensionDtype .. autosummary:: :toctree: api/ :template: autosummary/class_without_autosummary.rst api.extensions.ExtensionArray arrays.NumpyExtensionArray .. We need this autosummary so that methods and attributes are generated. .. Separate block, since they aren't classes. .. autosummary:: :toctree: api/ api.extensions.ExtensionArray._accumulate api.extensions.ExtensionArray._concat_same_type api.extensions.ExtensionArray._explode api.extensions.ExtensionArray._formatter api.extensions.ExtensionArray._from_factorized api.extensions.ExtensionArray._from_sequence api.extensions.ExtensionArray._from_sequence_of_strings api.extensions.ExtensionArray._hash_pandas_object api.extensions.ExtensionArray._pad_or_backfill api.extensions.ExtensionArray._reduce api.extensions.ExtensionArray._values_for_argsort api.extensions.ExtensionArray._values_for_factorize api.extensions.ExtensionArray.argsort api.extensions.ExtensionArray.astype api.extensions.ExtensionArray.copy api.extensions.ExtensionArray.view api.extensions.ExtensionArray.dropna api.extensions.ExtensionArray.duplicated api.extensions.ExtensionArray.equals api.extensions.ExtensionArray.factorize api.extensions.ExtensionArray.fillna api.extensions.ExtensionArray.insert api.extensions.ExtensionArray.interpolate api.extensions.ExtensionArray.isin api.extensions.ExtensionArray.isna api.extensions.ExtensionArray.ravel api.extensions.ExtensionArray.repeat api.extensions.ExtensionArray.searchsorted api.extensions.ExtensionArray.shift api.extensions.ExtensionArray.take api.extensions.ExtensionArray.unique api.extensions.ExtensionArray.dtype api.extensions.ExtensionArray.nbytes api.extensions.ExtensionArray.ndim api.extensions.ExtensionArray.shape api.extensions.ExtensionArray.tolist Additionally, we have some utility methods for ensuring your object behaves correctly. .. autosummary:: :toctree: api/ api.indexers.check_array_indexer The sentinel ``pandas.api.extensions.no_default`` is used as the default value in some methods. Use an ``is`` comparison to check if the user provides a non-default value.