Dropped python-daemon and its daemon-runner wrapper

This makes the watcher persisting with the terminal, breaking
installs using it as a initd/sysV daemon. The watcher currently
doesn't print anything on standard output or standard error.

Closes #39, #72

README.md

@@ -30,7 +30,7 @@ For more details, go check the [API implementation status][api].
 * [Transcoding](#transcoding)
 * [Command line interface](#command-line-interface)
 * [Quickstart](#quickstart)
-* [Scanner daemon](#scanner-daemon)
+* [Watching library changes](#watching-library-changes)
 * [Upgrading](#upgrading)
 
 ## Installation
@@ -353,12 +353,15 @@ Once you've added a folder, you will need to scan it:
 
 You should now be able to enjoy your music with the client of your choice!
 
-## Scanner daemon
+## Watching library changes
 
 Instead of manually running a scan every time your library changes, you can
-run a daemon that will listen to any library change and update the database
+run a watcher that will listen to any library change and update the database
-accordingly. The daemon is `bin/supysonic-watcher` and can be run as an
+accordingly.
-*init.d* script.
+The watcher is `bin/supysonic-watcher`, it is a non-exiting process and doesn't
+print anything to stdout nor stderr. If you want to keep it running in
+background, either use the old `nohup` or `screen` methods, or start it as a
+simple systemd unit (unit file not included).
 
 ## Upgrading
 

bin/supysonic-watcher

@@ -4,7 +4,7 @@
 # This file is part of Supysonic.
 #
 # Supysonic is a Python implementation of the Subsonic server API.
-# Copyright (C) 2014  Alban 'spl0k' Féron
+# Copyright (C) 2014-2017  Alban 'spl0k' Féron
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -19,16 +19,9 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from daemon.runner import DaemonRunner
 from supysonic.watcher import SupysonicWatcher
 
+if __name__ == "__main__":
     watcher = SupysonicWatcher()
-watcher.stdin_path = '/dev/null'
+    watcher.run()
-watcher.stdout_path = '/dev/tty'
-watcher.stderr_path = '/dev/tty'
-watcher.pidfile_path = '/tmp/supysonic-watcher.pid'
-watcher.pidfile_timeout = 5
-
-daemon_runner = DaemonRunner(watcher)
-daemon_runner.do_action()
 

supysonic/watcher.py

@@ -3,7 +3,7 @@
 # This file is part of Supysonic.
 #
 # Supysonic is a Python implementation of the Subsonic server API.
-# Copyright (C) 2014  Alban 'spl0k' Féron
+# Copyright (C) 2014-2017  Alban 'spl0k' Féron
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -20,7 +20,7 @@
 
 import time
 import logging
-from signal import signal, SIGTERM
+from signal import signal, SIGTERM, SIGINT
 from threading import Thread, Condition, Timer
 from logging.handlers import TimedRotatingFileHandler
 from watchdog.observers import Observer
@@ -241,6 +241,7 @@ class SupysonicWatcher(object):
 
         store.close()
         signal(SIGTERM, self.__terminate)
+        signal(SIGINT, self.__terminate)
 
         self.__running = True
         queue.start()