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Prevent infinite recursion with pip wheel with $TMPDIR in $PWD #7873

Merged
merged 2 commits into from
Apr 10, 2020
Merged

Prevent infinite recursion with pip wheel with $TMPDIR in $PWD #7873

merged 2 commits into from
Apr 10, 2020
+41 −5

Commits on Mar 19, 2020

  1. Prevent infinite recursion with pip wheel with $TMPDIR in $PWD 

    During a build of extension module within `pip wheel` the source directory is
recursively copied in a temporary directory.

See pypa#7555

When the temporary directory is inside the source directory
(for example by setting `TMPDIR=$PWD/tmp`) this caused an infinite recursion
that ended in:

    [Errno 36] File name too long

We prevent that buy never copying the target to the target in _copy_source_tree.

Fixes pypa#7872
    @hroncok
    hroncok committed Mar 19, 2020
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  2. Avoid a test dependency on a C compiler, skip the test on Windows

    @hroncok
    hroncok committed Mar 19, 2020
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