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Document that an existing directory raises in mkdir().

This commit is contained in:
Georg Brandl 2010-06-12 06:28:58 +00:00
parent b20ada08bd
commit ab776cef9d
1 changed files with 2 additions and 1 deletions
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Doc/library/os.rst
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@ -1175,7 +1175,8 @@ Files and Directories
Create a directory named *path* with numeric mode *mode*. The default *mode* is
``0777`` (octal). On some systems, *mode* is ignored. Where it is used, the
current umask value is first masked out.
current umask value is first masked out. If the directory already exists,
:exc:`OSError` is raised.
It is also possible to create temporary directories; see the
:mod:`tempfile` module's :func:`tempfile.mkdtemp` function.