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Issue #13772: In os.symlink() under Windows, do not try to guess the link

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target's type (file or directory).  The detection was buggy and made the
call non-atomic (therefore prone to race conditions).
This commit is contained in:
Antoine Pitrou 2012-01-24 08:59:28 +01:00
parent 3b65fd7e97
commit 5311c1d7ab
4 changed files with 14 additions and 19 deletions
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9
Doc/library/os.rst
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@ -1429,11 +1429,9 @@ Files and Directories
*target_is_directory*, which defaults to ``False``.
On Windows, a symlink represents a file or a directory, and does not morph to
the target dynamically. For this reason, when creating a symlink on Windows,
if the target is not already present, the symlink will default to being a
file symlink. If *target_is_directory* is set to ``True``, the symlink will
be created as a directory symlink. This parameter is ignored if the target
exists (and the symlink is created with the same type as the target).
the target dynamically. If *target_is_directory* is set to ``True``, the
symlink will be created as a directory symlink, otherwise as a file symlink
(the default).
Symbolic link support was introduced in Windows 6.0 (Vista). :func:`symlink`
will raise a :exc:`NotImplementedError` on Windows versions earlier than 6.0.
@ -1446,7 +1444,6 @@ Files and Directories
administrator level. Either obtaining the privilege or running your
application as an administrator are ways to successfully create symlinks.
:exc:`OSError` is raised when the function is called by an unprivileged
user.