New submission from Jan-Philip Gehrcke:
The os.utime() docs for Python 2
(http://docs.python.org/2/library/os.html#os.utime) and 3
(http://docs.python.org/3/library/os.html#os.utime) both contain the sentence
"Whether a directory can be given for path depends on whether the operating
system implements directories as files (for example, *Windows does not*)"
"Windoes does not" is wrong. CPython 2.7 on Windows 7:
>>> os.utime(".", (100, 100))
>>> os.stat(".").st_mtime
100.0
We should
- either name a specific system for which this does not work
- or remove this example.
Windows XP and newer support this operation via SetFileTime
(http://msdn.microsoft.com/en-us/library/windows/desktop/ms724933%28v=vs.85%29.aspx):
"Sets the date and time that the specified file or directory was created, last
accessed, or last modified."
I have grepped myself through a couple of CPython source trees and found
posixmodule.c: if (!SetFileTime(hFile, NULL, &atime, &mtime)
in 2.5, 2.6, 2.7. I guess the statement comes from 2.4 times, where
`SetFileTime` only appears in `PC/bdist_wininst/extract.c`.
So, do we just remove the hint or does someone have an example at hand for
which combination of Python and platform this does not work for directories?
Once we have a decision, I will be happy to provide the mini patch.
----------
assignee: docs@python
components: Documentation
messages: 211760
nosy: docs@python, jgehrcke
priority: normal
severity: normal
status: open
title: os.utime(path_to_directory): wrong documentation for Windows.
versions: Python 2.7, Python 3.1, Python 3.2, Python 3.3, Python 3.4, Python 3.5
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<http://bugs.python.org/issue20709>
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