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| � r� | Sq� Wd S| Sd S( s� Tries to find 'executable' in the directories listed in 'path'.
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os.environ['PATH']. Returns the complete filename or None if not found.
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makefile used to build this interpreter. Returns
the mapping updated as needed to reflect the environment
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a Python from a binary installer, the installed
environment may be very different from the build
environment, i.e. different OS levels, different
built tools, different available CPU architectures.
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called. It may be used in environments where no
compilers are present, i.e. when installing pure
Python dists. Customization of compiler paths
and detection of unavailable archs is deferred
until the first extension module build is
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