bpo-44270: shutil.which: windows path/cmd searches pathext #26458
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previously, the early short-circuit when cmd includes a directory
component incorrectly gave None on Windows if the correct filename
suffix was not also given.
For example, on Windows `shutil.which("c:\Python\python") would not
find the file c:\Python\python.exe. Now it does.
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previously, the early short-circuit logic for
shutil.which(cmd)wherecmdincludes a directorycomponent incorrectly gave None on Windows if the correct filename suffix was not also given.
For example, on Windows
shutil.which("./foo")would notfind existing executable file ./foo.exe. Now it does.
https://bugs.python.org/issue44270