How do you create a daemon in Python?

Question

Searching on Google reveals x2 code snippets. The first result is to this code recipe which has a lot of documentation and explanation, along with some useful discussion und

Answer 1

I modified a few lines in Sander Marechal's code sample (mentioned by @JeffBauer in the accepted answer) to add a quit() method that gets executed before the daemon is stopped. This is sometimes very useful.

Here it is.

Note: I don't use the "python-daemon" module because the documentation is still missing (see also many other SO questions) and is rather obscure (how to start/stop properly a daemon from command line with this module?)