Micah Kornfield created ARROW-17535:
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Summary: [Python] List<Extension> arrays aren't supported in
to_pandas calls
Key: ARROW-17535
URL: https://issues.apache.org/jira/browse/ARROW-17535
Project: Apache Arrow
Issue Type: Bug
Components: C++, Python
Reporter: Micah Kornfield
EXTENSION is not in the list of types allowed. I think in order to enable
EXTENSION we need to be able to call to_pylist or similar on the original
extension array from C++ code, in case there were user provided overrides. Off
the top of my head one way of doing this would be to pass through an additional
std::unorderd_map<Array*, PyObject*> where PyObject is the bound to_pylist
python function. Are there other alternative that might be cleaner?
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