Wes McKinney created ARROW-5610:
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Summary: [Python] Define extension type in Python to "receive" a
foreign extension type
Key: ARROW-5610
URL: https://issues.apache.org/jira/browse/ARROW-5610
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Wes McKinney
Fix For: 0.14.0
In work in ARROW-840, a static {{arrow.py_extension_type}} name is used. There
will be cases where an extension type is coming from another programming
language (e.g. Java), so it would be useful to be able to "plug in" a Python
extension type subclass that will be used to deserialize the extension type
coming over the wire. This has some different API requirements since the
serialized representation of the type will not have knowledge of Python
pickling, etc.
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