from PythonQt import *
#import evas
debug = 1
def expcb():
print 'EXP_CB'
def idle_add(cb):
if debug:
print 'idle_add'
timer = QTimer()
timer.setInterval(500)
timer.setSingleShot(1)
timer.connect('timeout()', cb)
timer.connect('timeout()', timer.deleteLater())
timer.start()
idle_add(expcb)