[Python-Dev] Updates to PEP 471, the os.scandir() proposal
Ben Hoyt
benhoyt at gmail.com
Wed Jul 9 23:33:12 CEST 2014
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Wed Jul 9 23:33:12 CEST 2014
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> On a system which did not supply is_dir automatically I would write that as: > > for entry in os.scandir(path): # info defaults to 'os', which is > basically None in this case > if ignore_entry(entry.name): > continue > if os.path.isdir(entry.full_name): > # do something interesting > > Not hard to read or understand, no time wasted in unnecessary lstat calls. No, but how do you know whether you're on "a system which did not supply is_dir automatically"? The above is not cross-platform, or at least, not efficient cross-platform, which defeats the whole point of scandir -- the above is no better than listdir(). -Ben
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