def main():
p = Parallel()
previous = True
with Bus() as bus:
with bus.get_service_proxy({"type": "speak"}, multiple=True) as s:
while True:
current = p.getInPaperOut()
if current != previous:
previous = current
if not current: # Button was just pressed (i.e. the paperOut pin
# was just shorted to ground)
print "Doorbell was pressed"
try:
print s["say_text"]("someone is ringing the_front doorbell", callback=None)
except:
print_exc()
sleep(5)
sleep(0.03)
