diff --git a/canary/daemon/__init__.py b/canary/daemon/__init__.py deleted file mode 100644 index e69de29..0000000 diff --git a/canary/daemon/daemon.py b/canary/daemon/daemon.py deleted file mode 100644 index 61bdc90..0000000 --- a/canary/daemon/daemon.py +++ /dev/null @@ -1,136 +0,0 @@ -#!/usr/bin/env python -### -# A simple unix/linux daemon in Python -# Originally written by: Sander Marechal -# http://web.archive.org/web/20131017130434/http://www.jejik.com/articles/2007/02/a_simple_unix_linux_daemon_in_python/ -### - -import sys, os, time, atexit -from signal import SIGTERM - - -class Daemon: - """ - A generic daemon class. - - Usage: subclass the Daemon class and override the run() method - """ - - def __init__(self, pidfile, stdin='/dev/null', stdout='/dev/null', stderr='/dev/null'): - self.stdin = stdin - self.stdout = stdout - self.stderr = stderr - self.pidfile = pidfile - - 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)) - 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) - - # redirect standard file descriptors - sys.stdout.flush() - sys.stderr.flush() - si = file(self.stdin, 'r') - so = file(self.stdout, 'a+') - se = file(self.stderr, 'a+', 0) - os.dup2(si.fileno(), sys.stdin.fileno()) - os.dup2(so.fileno(), sys.stdout.fileno()) - os.dup2(se.fileno(), sys.stderr.fileno()) - - # write pidfile - atexit.register(self.delpid) - pid = str(os.getpid()) - file(self.pidfile, 'w+').write("%s\n" % pid) - - def delpid(self): - os.remove(self.pidfile) - - def start(self): - """ - Start the daemon - """ - # Check for a pidfile to see if the daemon already runs - try: - pf = file(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 = file(self.pidfile, 'r') - pid = int(pf.read().strip()) - pf.close() - 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: - while 1: - os.kill(pid, SIGTERM) - time.sleep(0.1) - except OSError, err: - err = str(err) - if err.find("No such process") > 0: - if os.path.exists(self.pidfile): - os.remove(self.pidfile) - else: - print str(err) - sys.exit(1) - - def restart(self): - """ - Restart the daemon - """ - self.stop() - self.start() - - 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(). - """ diff --git a/requirements.txt b/requirements.txt index 2cb4a2d..b096234 100644 --- a/requirements.txt +++ b/requirements.txt @@ -1,3 +1,4 @@ slackclient twilio -pyudev \ No newline at end of file +pyudev +sander-daemon