As already mentioned in my Post Migration from Wordpress to Pelican the fact that Pelican is written in Python and provide a Plugin system was important for me. So I can adjust the Code and also give something back to the Pelican Community
Today I proudly present: My first accepted Pull Request for Pelican (PDF Plugin) (Archive: , )
There is still room for improvement and i'm working on further fixes and features, but it's a starting Point.
You find at the bottom of every Article and Page a PDF Download Link, the linked PDF file was generated by the mentioned Plugin.