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

Note the python-daemon package which solves a lot of problems behind daemons out of the box.

Among other features it enables to (from Debian package description):

• Detach the process into its own process group.
• Set process environment appropriate for running inside a chroot.
• Renounce suid and sgid privileges.
• Close all open file descriptors.
• Change the working directory, uid, gid, and umask.
• Set appropriate signal handlers.
• Open new file descriptors for stdin, stdout, and stderr.
• Manage a specified PID lock file.
• Register cleanup functions for at-exit processing.