Python3 library for reading and writing bzip2-compressed files

 Bz2file is a Python library for reading and writing bzip2-compressed files.
 .
 It contains a drop-in replacement for the file interface in the standard
 library's bz2 module, including features from the latest development version
 of CPython that are not available in older releases.
 .
 Bz2file for Python3.