Remove the daemon module

scripts/daemon.py

@@ -1,168 +0,0 @@
-#!/usr/bin/env python
-
-import sys
-import os
-from signal import SIGTERM
-
-
-class Daemon(object):
-
-    """
-    A generic daemon class.
-    Usage: subclass the Daemon class and override the run() method
-    """
-
-    def __init__(self, name, pidfile, stdin='/dev/null', stdout='/dev/null',
-                 stderr='/dev/null', noisy=False):
-        """
-        initialize some properties needed later.
-        """
-        self.stdin = stdin
-        self.stdout = stdout
-        self.stderr = stderr
-        self.pidfile = pidfile
-        self.name = name
-        self.noisy = noisy
-
-    def daemonize(self):
-        """
-        do the UNIX double-fork magic, see Stevens' "Advanced
-        Programming in the UNIX Environment" for details (ISBN 0201563177)
-        http://www.erlenstar.demon.co.uk/unix/faq_2.html#SEC16
-        """
-        try:
-            pid = os.fork()
-            if pid > 0:
-                # exit first parent
-                sys.exit(0)
-        except OSError, e:
-            sys.stderr.write("fork #1 failed: %d (%s)\n" %
-                             (e.errno, e.strerror))
-            print("SSSSSDDD")
-            sys.exit(1)
-
-        # decouple from parent environment
-        os.chdir("/")
-        os.setsid()
-        os.umask(0)
-
-        # do second fork
-        try:
-            pid = os.fork()
-            if pid > 0:
-                # exit from second parent
-                sys.exit(0)
-        except OSError, e:
-            sys.stderr.write("fork #2 failed: %d (%s)\n" %
-                             (e.errno, e.strerror))
-            sys.exit(1)
-
-        pid = str(os.getpid())
-        print("[%s pid: %s]" % (self.name, pid))
-        # redirect standard file descriptors
-        sys.stdout.flush()
-        sys.stderr.flush()
-        si = open(self.stdin, 'r')
-        so = open(self.stdout, 'a+')
-        se = open(self.stderr, 'a+', 0)
-
-        if not self.noisy:
-            os.dup2(si.fileno(), sys.stdin.fileno())
-            os.dup2(so.fileno(), sys.stdout.fileno())
-            os.dup2(se.fileno(), sys.stderr.fileno())
-
-        open(self.pidfile, 'w+').write("%s\n" % (pid))
-
-    def start(self):
-        """
-        Start the daemon
-        """
-        # Check for a pidfile to see if the daemon already runs
-        try:
-            pf = open(self.pidfile, 'r')
-            pid = int(pf.read().strip())
-            pf.close()
-        except IOError:
-            pid = None
-
-        if pid:
-            message = "pidfile %s already exist. Daemon already running?\n"
-            sys.stderr.write(message % self.pidfile)
-            sys.exit(1)
-
-        # Start the daemon
-        self.daemonize()
-        self.run()
-
-    def stop(self):
-        """
-        Stop the daemon
-        """
-        # Get the pid from the pidfile
-        try:
-            pf = open(self.pidfile, 'r')
-            pid = int(pf.read().strip())
-            pf.close()
-            os.remove(self.pidfile)
-        except IOError:
-            pid = None
-        if not pid:
-            message = "pidfile %s does not exist. Daemon not running?\n"
-            sys.stderr.write(message % self.pidfile)
-            return  # not an error in a restart
-
-        # Try killing the daemon process
-        try:
-            os.kill(pid, SIGTERM)
-        except OSError, err:
-            err = str(err)
-            print err
-            sys.exit(1)
-
-    def check_proc(self):
-        """
-        check for pid file
-        """
-        # Check for a pidfile to see if the daemon already runs
-        # instead opening self pidfile many times, we should just
-        # set self.controlpid
-        try:
-            pf = open(self.pidfile, 'r')
-            proc = pf.read()
-            pid = int(proc.strip())
-            pf.close()
-            return pid
-        except IOError:
-            message = "pidfile %s does not exist. Daemon not running?\n"
-            sys.stderr.write(message % self.pidfile)
-
-    def restart(self):
-        """
-        Restart the daemon
-        """
-        self.stop()
-        self.start()
-
-    def exit_running(self):
-        """
-        do not start if already running
-        """
-        if os.path.exists(self.pidfile):
-            pf = open(self.pidfile, 'r')
-            proc = pf.read()
-            running = int(proc.strip())
-            message = "pidfile %s already exists. Daemon already running?\n"
-            message += "check if process %d still exists\n"
-            sys.stderr.write(message % (self.pidfile, running))
-            sys.exit(1)
-
-    def startd(self):
-        raise Exception("You should override this method!")
-
-    def run(self):
-        """
-        You should override this method when you subclass Daemon. It will
-        be called after the process has been
-        daemonized by start() or restart().
-        """
-        raise Exception("You should override this method!")