succubus
Description
succubus is a lightweight python module for a fast and easy creation of python daemons and init scripts.
Examples
#!/usr/bin/env python
import logging
import sys
import time
from logging.handlers import WatchedFileHandler
from succubus import Daemon
class MyDaemon(Daemon):
def run(self):
"""Overwrite the run function of the Daemon class"""
while True:
time.sleep(1)
self.logger.warn('Hello world')
def setup_logging(self):
# TODO: don't log to /tmp except for example code
handler = WatchedFileHandler('/tmp/succubus.log')
self.logger = logging.getLogger('succubus')
self.logger.addHandler(handler)
def main():
daemon = MyDaemon(pid_file='succubus.pid')
sys.exit(daemon.action())
if __name__ == '__main__':
main()Succubus implements the usual init script actions (start, stop, restart, status) in Python. So your init script can look like this:
#!/bin/bash
/usr/bin/my_succubus_daemon $1 --foo=42If the init script is called as /etc/init.d/my_succubus_daemon start, this will translate into /usr/bin/my_succubus_daemon start --foo=42 being called. The start parameter is consumed by the succubus framework, i.e. when your code does the command line parsing, it looks as if /usr/bin/my_succubus_daemon --foo=42 was called. You can now parse the --foo=42 parameter as you please.
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