Welcome to pylibacl’s documentation!

This is a Python 2.4+ extension module allows you to manipulate the POSIX.1e Access Control Lists present in some OS/file-systems combinations.

Downloads: go to http://pylibacl.k1024.org/downloads. Latest version is 0.5.3. The source repository is either at git://git.k1024.org/pylibacl.git or at https://github.com/iustin/pylibacl.

For any issues, please file bugs at https://github.com/iustin/pylibacl/issues.


pylibacl has been written and tested on Linux, kernel v2.4 or newer, with XFS filesystems; ext2/ext3 should also work. Since release 0.4.0, FreeBSD 7 also has quite good support. If any other platform implements the POSIX.1e draft, pylibacl can be used. I heard that Solaris does, but I can’t test it.

  • Python 2.4 or newer

  • operating system:
    • Linux, kernel v2.4 or newer, and the libacl library and development packages (all modern distributions should have this, under various names); also the file-systems you use must have ACLs turned on, either as a compile or mount option
    • FreeBSD 7.0 or newer


pylibacl is Copyright (C) 2002-2009, 2012, 2014, 2015 Iustin Pop.

pylibacl is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. See the COPYING file for the full license terms.

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POSIX.1e ACLs manipulation