Added '--status' option for checking the daemon's status.
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|initd.py||Added '--status' option for checking the daemon's status.|
There are a number of libraries around to manage daemonizing in Python, and Django even includes an implementation (in `django.utils.daemonize`). However a much more tricky thing to get right is proper management of the daemon process itself. The important parts of such a process are these: * it comes up automatically on server startup * it logs errors and information to a named location, which is configurable * if the process dies, it restarts itself straight away This library builds on the Initd module from Michael Andreas Dagitses to use Django's daemonize code, and making it easy to call this from a custom management command. Usage: Subclass the daemon_command.DaemonCommand class in your custom Django management command (yourapp/management/command/yourcommand.py). Within your subclass, override the `loop_callback` method with the code the daemon process should run. Optionally, override `exit_callback` with code to run when the process is stopped. Alternatively, if your code has more complex setup/shutdown requirements, override `handle_noargs`, remembering to call the initd code: daemon = Initd(**options) daemon.execute(action, run=self.loop_callback, exit=self.exit_callback) Run the command as normal, but pass one of --start, --stop or --restart to work as a daemon. Otherwise, the command will run as a standard application.