* Support multiple data format for Python sdist distributive

Accordingly to https://docs.python.org/3/distutils/sourcedist.html
Python sdist can use multiple formats such as:
* zip   zip file (.zip)
* gztar gzip’ed tar file (.tar.gz)
* bztar bzip2’ed tar file (.tar.bz2)
* xztar xz’ed tar file (.tar.xz)
* ztar  compressed tar file (.tar.Z)
* tar   tar file (.tar)

* Fix codestyle