gh-114545: [Lib/tempfile.py] mkdtemp - canonicalise directory name
#114691
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…t/test_tempfile.py] Add test for `mkdtemp` creating a `realpath`
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On macOS—and probably other operating systems—the temporary directory
/tmpis not canonical. This causes weird issues in ones codebase, e.g.,/var/folders!=/private/var/folders. This additional function call solves the problem.PS: I'm not sure if the
os.path.abspathcall can be removed…PPS: See #114545 for discussion; also see nodejs/node/issues/11422 for when this was discussed for Node.js.
mkdtemp- canonicalise directory name #114545