[Python-Dev] possibility of shaving a stat call from imports (original) (raw)
Antoine Pitrou solipsis at pitrou.net
Fri Oct 18 22:59:29 CEST 2013
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On Fri, 18 Oct 2013 12:53:55 -0400 Brett Cannon <brett at python.org> wrote:
importlib.machinery.FileFinder does a stat call to check if a path is a file if the package check failed. Now I'm willing to bet that the check is rather redundant as the file extension should be a dead give-away that something in a directory is a file and not some non-file type. The import would still fail even if this is the case in the loader when attempting to read from the file, but it happens a little later and it means finders would be more permissive in claiming they found a loader.
Is it one stat() call per successful import? Or one stat() call per sys.path entry?
Regards
Antoine.
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