Here's the patch: --- pywikipedia/xmlreader.py 2010-03-26 22:45:58.000000000 -0700 +++ xmlreader.py 2010-04-08 23:35:51.000000000 -0700 @@ -285,6 +285,9 @@ if self.filename.endswith('.bz2'): import bz2 source = bz2.BZ2File(self.filename) + if self.filename.endswith('.7z'): + import subprocess + source = subprocess.Popen('7za e -bd -so %s 2>/dev/null' % self.filename, shell=True, stdout=subprocess.PIPE, bufsize=65535).stdout else: # assume it's an uncompressed XML file source = open(self.filename) -- Dc987