[3.7] bpo-35755: shutil.which() uses os.confstr("CS_PATH")#12862
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vstinner merged 3 commits intopython:3.7from Apr 17, 2019
vstinner:which37
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[3.7] bpo-35755: shutil.which() uses os.confstr("CS_PATH")#12862vstinner merged 3 commits intopython:3.7from vstinner:which37
vstinner merged 3 commits intopython:3.7from
vstinner:which37
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shutil.which() and distutils.spawn.find_executable() now use
os.confstr("CS_PATH") if available instead of os.defpath, if the PATH
environment variable is not set.
Don't use os.confstr("CS_PATH") nor os.defpath if the PATH
environment variable is set to an empty string to mimick Unix 'which'
command behavior.
Changes:
* find_executable() now starts by checking for the executable in the
current working directly case. Add an explicit
"if not path: return None".
* Add tests for PATH='' (empty string), PATH=':' and for PATHEXT.
(cherry picked from commit 228a3c9)
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https://bugs.python.org/issue35755