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Extensions#

These are primarily intended for library authors looking to extend pandasobjects.

api.extensions.register_extension_dtype(cls)

Register an ExtensionType with pandas as class decorator.

api.extensions.register_dataframe_accessor(name)

Register a custom accessor on DataFrame objects.

api.extensions.register_series_accessor(name)

Register a custom accessor on Series objects.

api.extensions.register_index_accessor(name)

Register a custom accessor on Index objects.

api.extensions.ExtensionDtype()

A custom data type, to be paired with an ExtensionArray.

api.extensions.ExtensionArray()

Abstract base class for custom 1-D array types.

arrays.NumpyExtensionArray(values[, copy])

A pandas ExtensionArray for NumPy data.

Additionally, we have some utility methods for ensuring your objectbehaves correctly.

api.indexers.check_array_indexer(array, indexer)

Check ifindexer is a valid array indexer forarray.

The sentinelpandas.api.extensions.no_default is used as the defaultvalue in some methods. Use anis comparison to check if the userprovides a non-default value.


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