Wes McKinney created ARROW-2987:
-----------------------------------
Summary: [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
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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