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https://issues.apache.org/jira/browse/ARROW-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659332#comment-17659332
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Rok Mihevc commented on ARROW-2305:
-----------------------------------
This issue has been migrated to [issue
#18258|https://github.com/apache/arrow/issues/18258] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [Python] Cython 0.25.2 compilation failure
> -------------------------------------------
>
> Key: ARROW-2305
> URL: https://issues.apache.org/jira/browse/ARROW-2305
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> Observed on master branch
> {code}
> Error compiling Cython file:
> ------------------------------------------------------------
> ...
> if hasattr(self, 'as_py'):
> return repr(self.as_py())
> else:
> return super(Scalar, self).__repr__()
> def __eq__(self, other):
> ^
> ------------------------------------------------------------
> /home/wesm/code/arrow/python/pyarrow/scalar.pxi:67:4: Special method __eq__
> must be implemented via __richcmp__
> Error compiling Cython file:
> ------------------------------------------------------------
> ...
> Return true if the tensors contains exactly equal data
> """
> self._validate()
> return self.tp.Equals(deref(other.tp))
> def __eq__(self, other):
> ^
> ------------------------------------------------------------
> /home/wesm/code/arrow/python/pyarrow/array.pxi:571:4: Special method __eq__
> must be implemented via __richcmp__
> Error compiling Cython file:
> ------------------------------------------------------------
> ...
> cdef c_bool result = False
> with nogil:
> result = self.buffer.get().Equals(deref(other.buffer.get()))
> return result
> def __eq__(self, other):
> ^
> ------------------------------------------------------------
> /home/wesm/code/arrow/python/pyarrow/io.pxi:675:4: Special method __eq__ must
> be implemented via __richcmp__
> {code}
> Upgrading Cython made this go away. We should probably use {{__richcmp__}}
> though
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