update_dash_icon

#!/usr/bin/python
# update bar on dash icon bye stdin
# ex: for i in {0..100};do echo "$i";sleep 0.3;done | ./$0

import sys, time
from gi.repository import Unity, Gio, GObject, Dbusmenu

loop = GObject.MainLoop()

launcher = Unity.LauncherEntry.get_for_desktop_id ("launcher.desktop")
launcher.set_property("progress_visible", True)

def update_line():
    line = sys.stdin.readline()
    while line :
        line = float(line) * .01
        launcher.set_property("progress", line)
        line = sys.stdin.readline()
        if len(line) == 0: # fin de ~"fichier"
            launcher.set_property("urgent", True)
            time.sleep(3)
            print "It's the end..."
            loop.quit()
        return True

GObject.timeout_add_seconds(1, update_line)
loop.run()