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https://issues.apache.org/jira/browse/ARROW-14058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eduardo Ponce updated ARROW-14058:
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Summary: [Python] Update use of FunctionOptions scoped enums once Cython 3
is the default (was: [Python] Update use of FunctionOptions scoped enums once
Cython 3 is supported)
> [Python] Update use of FunctionOptions scoped enums once Cython 3 is the
> default
> --------------------------------------------------------------------------------
>
> Key: ARROW-14058
> URL: https://issues.apache.org/jira/browse/ARROW-14058
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Eduardo Ponce
> Priority: Minor
>
> In
> [_pyarrow/_compute.pyx_|https://github.com/apache/arrow/blob/master/python/pyarrow/_compute.pyx]
> there are several scoped enums for FunctionOptions (e.g., RoundMode and
> SortOrder) which are not used in dictionaries but rather with a chain of
> if-elses because scoped enums are not fully supported in Cython >= 0.29.x
> since they do not resolve to an underlying integral type. We would like to be
> consistent with the use of other FunctionOptions and use a dictionary when
> mapping string input to enum constant.
> In order for the above to work in Cython 3, we also need to update the
> definition of the scoped enums found in
> [_pyarrow/includes/libarrow.pxd_|https://github.com/apache/arrow/blob/master/python/pyarrow/includes/libarrow.pxd]
> to the form of
> {code:c++}
> cpdef enum class CRoundMode(int8_t)
> {code}
> [Reference to Cython 3 soped enum| #
> https://cython.readthedocs.io/en/latest/src/userguide/wrapping_CPlusPlus.html#scoped-enumerations]
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