pyinotify example

gistfile1.py

"""
  Example of use of inotify. Extracted from django.utils.autoreload
"""



import pyinotify


def inotify_logs_changed():
    class EventHandler(pyinotify.ProcessEvent):
        def process_default(self, event):
            print(event)

    wm = pyinotify.WatchManager()
    notifier = pyinotify.Notifier(wm, EventHandler())

    def update_watch(sender=None, **kwargs):
        mask = (
            pyinotify.IN_MODIFY |
            pyinotify.IN_CREATE
        )

        for path in gen_filenames():
            wm.add_watch(path, mask)

    update_watch()
    notifier.check_events(timeout=None)
    notifier.read_events()
    notifier.process_events()
    notifier.stop()

    # If we are here the code must have changed.
    return EventHandler

def gen_filenames():
    return ['/tmp/cosita', ]

def main():
    while True:
        inotify_logs_changed()

try:
    main()
except KeyboardInterrupt:
    pass