Writing PNG with pure Python

[Johann C. Rocholl]

> Just in case anybody has the same problem, here's my first attempt at
> implementing a subset of the PNG spec in pure Python. I license it to
> you under the terms of the GNU GPL.

Update: the code is now licensed under the Apache License 2.0.

> http://trac.browsershots.org/browser/trunk/shotfactory/lib/image/png.py

Update: the module has moved to its own package, with its own setup.py:

http://trac.browsershots.org/browser/trunk/pypng
http://svn.browsershots.org/trunk/pypng/

Cheers,
Johann