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os.replace() backport for Python 2.x

Project Description

Backport of os.replace()

http://docs.python.org/3.3/library/os.html#os.replace

http://bugs.python.org/issue8828

Suggested usage:

import sys
if sys.version_info >= (3, 3):
    from os import replace
elif sys.platform == "win32":
    from osreplace import replace
else:
    # POSIX rename() is always atomic
    from os import rename as replace

Python 3.1 is not supported. Please upgrade to Python 3.2 or better.

Technical details

The replace() function uses MoveFileEx() with MOVEFILE_REPLACE_EXISTING flag. The flag can’t be used to rename directories so it’s not entirely equal to rename(P) on POSIX.

MoveFileEx() is NOT guaranteed to be atomic. Under certain and unknown circumstances it may silently fall back to a non atomic call to CopyFile(). MoveFileTransacted() could improve the situation but it requires Vista or newer.

http://msdn.microsoft.com/en-us/library/windows/desktop/aa365240%28v=vs.85%29.aspx http://msdn.microsoft.com/en-us/library/windows/desktop/aa365241%28v=vs.85%29.aspx

Credits

Original patch by Antoine Pitrou.

Changelog

pyosreplace 0.1

Release date: 05-Nov-2013

  • Python 3.2 support
  • tox for testing

pyosreplace 0.1b1

Release date: 02-Jul-2013

  • initial beta release

Release history Release notifications

This version
History Node

0.1

History Node

0.1b1

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Filename, size & hash SHA256 hash help File type Python version Upload date
pyosreplace-0.1.win32-py2.6.exe (202.2 kB) Copy SHA256 hash SHA256 Windows Installer 2.6 Nov 5, 2013
pyosreplace-0.1.win32-py2.7.exe (201.9 kB) Copy SHA256 hash SHA256 Windows Installer 2.7 Nov 5, 2013
pyosreplace-0.1.win32-py3.2.exe (201.9 kB) Copy SHA256 hash SHA256 Windows Installer 3.2 Nov 5, 2013
pyosreplace-0.1.win-amd64-py2.6.exe (229.6 kB) Copy SHA256 hash SHA256 Windows Installer 2.6 Nov 5, 2013
pyosreplace-0.1.win-amd64-py2.7.exe (229.3 kB) Copy SHA256 hash SHA256 Windows Installer 2.7 Nov 5, 2013
pyosreplace-0.1.win-amd64-py3.2.exe (229.8 kB) Copy SHA256 hash SHA256 Windows Installer 3.2 Nov 5, 2013
pyosreplace-0.1.zip (10.5 kB) Copy SHA256 hash SHA256 Source None Nov 5, 2013

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