[jira] [Updated] (ARROW-2987) [Python] test_cython_api can fail if run in an environment where vsvarsall.bat has been run more than once

["Wes McKinney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-2987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-2987:
--------------------------------
    Fix Version/s: 0.11.0

> [Python] test_cython_api can fail if run in an environment where vsvarsall.bat has been run more than once
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-2987
>                 URL: https://issues.apache.org/jira/browse/ARROW-2987
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.10.0
>            Reporter: Wes McKinney
>            Priority: Major
>             Fix For: 0.11.0
>
>
> I encountered this when verifying the 0.10.0 release on Windows
> {code}
> pyarrow/tests/test_cython.py::test_cython_api Compiling pyarrow_cython_example.pyx because it changed.
> [1/1] Cythonizing pyarrow_cython_example.pyx
> running build_ext
> building 'pyarrow_cython_example' extension
> b'*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00\r\x00\n\x00*\x00*\x00 \x00V\x00i\x00s\x00u\x00a\x00l\x00 \x00S\x00t\x00u\x00d\x00i\x00o\x00 \x002\x000\x001\x007\x00 \x00D\x00e\x00v\x00e\x00l\x00o\x00p\x00e\x00r\x00 \x00C\x00o\x00m\x00m\x00a\x00n\x00d\x00 \x00P\x00r\x00o\x00m\x00p\x00t\x00 \x00v\x001\x005\x00.\x004\x00.\x001\x00\r\x00\n\x00*\x00*\x00 \x00C\x00o\x00p\x00y\x00r\x00i\x00g\x00h\x00t\x00 \x00(\x00c\x00)\x00 \x002\x000\x001\x007\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00 \x00C\x00o\x00r\x00p\x00o\x00r\x00a\x00t\x00i\x00o\x00n\x00\r\x00\n\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00*\x00\r\x00\n\x00T\x00h\x00e\x00 \x00i\x00n\x00p\x00u\x00t\x00 \x00l\x00i\x00n\x00e\x00 \x00i\x00s\x00 \x00t\x00o\x00o\x00 \x00l\x00o\x00n\x00g\x00.\x00\r\x00\n\x00T\x00h\x00e\x00 \x00s\x00y\x00n\x00t\x00a\x00x\x00 \x00o\x00f\x00 \x00t\x00h\x00e\x00 \x00c\x00o\x00m\x00m\x00a\x00n\x00d\x00 \x00i\x00s\x00 \x00i\x00n\x00c\x00o\x00r\x00r\x00e\x00c\x00t\x00.\x00\r\x00\n\x00'
> error: Error executing cmd /u /c "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat" x86_amd64 && set
> {code}
> Seems to be the same issue as https://developercommunity.visualstudio.com/content/problem/257260/vcvarsallbat-reports-the-input-line-is-too-long-if.html
> I think the problem is that this unit test inherits the calling environment, and distutils runs this command again which alters the environment further. I'm not sure what's the best way to work around this yet



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