Python: Open Thunderbird to write new mail with attached file

Question

I would like to open Thunderbird on Debian AND Windows with an attached file for a new email.

So I would like to do the same as in this thread but the posted solutio

Answer 1

Start Thunderbird with the command line argument "-compose". More about it at http://kb.mozillazine.org/Command_line_arguments_%28Thunderbird%29