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Paul Balanca authored and Wes McKinney committed 9422f4d0d43
ARROW-6176: [Python] Basic implementation of __arrow_ext_class__, in pure Python This is a very basic implementation of what could be `__arrow_ext_class__`, i.e. allowing extension types in PyArrow to have a custom Extension Array class (useful for adding additional logic). It is an alternative to adding dynamic attributes to `ExtensionArray` (see ARROW-8131), Of interest @kszucs @jorisvandenbossche Closes #6653 from balancap/ARROW-6176-allow-sub-class-extension-array-to-attach-custom-extension-type Authored-by: Paul Balanca <paul.balanca@gmail.com> Signed-off-by: Wes McKinney <wesm+git@apache.org>