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Issue #24617: Add comment for os.mkdir about mode quirks

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Tommy Beadle 2016-06-02 15:41:20 -04:00
parent 39b1025356
commit 63b91e5403
1 changed files with 10 additions and 4 deletions
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14
Doc/library/os.rst
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@ -1623,9 +1623,15 @@ features:
Create a directory named *path* with numeric mode *mode*.
If the directory already exists, :exc:`FileExistsError` is raised.
.. _mkdir_modebits:
On some systems, *mode* is ignored. Where it is used, the current umask
value is first masked out. If the directory already exists,
:exc:`FileExistsError` is raised.
value is first masked out. If bits other than the last 9 (i.e. the last 3
digits of the octal representation of the *mode*) are set, their meaning is
platform-dependent. On some platforms, they are ignored and you should call
:func:`chmod` explicitly to set them.
This function can also support :ref:`paths relative to directory descriptors
<dir_fd>`.
@ -1646,8 +1652,8 @@ features:
Recursive directory creation function. Like :func:`mkdir`, but makes all
intermediate-level directories needed to contain the leaf directory.
The default *mode* is ``0o777`` (octal). On some systems, *mode* is
ignored. Where it is used, the current umask value is first masked out.
The *mode* parameter is passed to :func:`mkdir`; see :ref:`the mkdir()
description <mkdir_modebits>` for how it is interpreted.
If *exist_ok* is ``False`` (the default), an :exc:`OSError` is raised if the
target directory already exists.