uwsgi update on code change

uwsgi update on code change

#!/usr/bin/python

import os, sys, subprocess
from pyinotify import *

# the watch manager stores the watches and provide operations on watches
wm = WatchManager()

# watched events
mask = IN_DELETE | IN_CREATE | IN_MODIFY

class DirChanged(ProcessEvent):

    uwsgi_process = 'uwsgi26'
    
    def uwsgi_graceful_restart(self):
        print "updating uwsgi..."
        retcode = subprocess.call(["killall","-SIGHUP","uwsgi26"])
        print retcode
    
    def process_IN_CREATE(self, event):
        print "CREATED: " + event.path + "/" + event.name
        self.uwsgi_graceful_restart()

    def process_IN_DELETE(self, event):
        print "DELETED: " + event.path + "/" + event.name
        self.uwsgi_graceful_restart()

    def process_IN_MODIFY(self, event):
        print "MODIFIED: " + event.path + "/" + event.name
        self.uwsgi_graceful_restart()


print "watching %s for changes" % os.path.abspath(sys.argv[1])

wdd = wm.add_watch(os.path.abspath(sys.argv[1]), mask, rec=True)
notifier = Notifier(wm, DirChanged())
while True:  # loop forever
    try:
        # process the queue of events as explained above
        notifier.process_events()
        if notifier.check_events():
            # read notified events and enqeue them
            notifier.read_events()
        # you can do some tasks here...
    except KeyboardInterrupt:
        # destroy the inotify's instance on this interrupt (stop monitoring)
        notifier.stop()
        break