python - Am I using Gio GFile monitor_file wrong? -

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i'm using gio monitor_file this.

def callback(*args):     print 'ok'  gio_pointer = gio.file.new_for_path(os.environ['home']+'/temp') monitor = gio_pointer.monitor_file(gio.filemonitorflags.none, none) monitor.connect("changed", callback)

nothing happens modified file. gio works other file operations creation, read, , write.

am using wrong, or system problem?

my environment: gtk graphics, python, linux ubuntu 12.10, regular pc.

it failing because gobject's main loop required in order signals work.

the following complete example works me:

import os gi.repository import gtk, gio  # allows ctrl+c exit program import signal signal.signal(signal.sigint, signal.sig_dfl)  def callback(m, f, o, event):     # without check, multiple 'ok's printed each file change     if event == gio.filemonitorevent.changes_done_hint:         print ('ok')  gio_file = gio.file.new_for_path(os.environ['home']+'/temp') monitor = gio_file.monitor_file(gio.filemonitorflags.none, none) monitor.connect("changed", callback)  gtk.main()

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