polib version 0.3.1 has been released today, it's a bugfix release.
Changelog:
* fixed bug #0002: typo: "occurences" instead of "occurrences",
* fixed bug #0003: mismatch in exception instance names,
* removed deprecation warnings,
* removed unused charset() method in POFile/MOFile objects,
* fixed bug in multibytes string length (added regression tests),
* fixed a bug in detect_encoding(),
* added a find() method to PO/MOFile classes,
* proper handling of quoting and unquoting,
* proper handling of multiline strings in metadata
http://code.google.com/p/polib/
http://pypi.python.org/pypi/polib/
Cheers,
David