DaemonContext (for python-daemon) that handles SIGHUPS

sighup_daemon.py

import daemon
import signal

class SighupDaemon(daemon.DaemonContext):
    """ A DaemonContext that catches SIGHUPs """

    # get default signal handler map for this system
    defaults = daemon.daemon.make_default_signal_map()

    def __init__(self, *args, **kwargs):
        signal_map = kwargs.setdefault('signal_map', {})
        signal_map.update(self.defaults)
        signal_map.setdefault(signal.SIGHUP, 'sighup_handler')
        super(SighupDaemon, self).__init__(*args, **kwargs)
    
    def sighup_handler(self, signum, frame):
        # handler code goes here
        print "Caught SIGHUP!"