def main():
s = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
if os.path.exists('PROGRESS'):
os.remove('PROGRESS')
s.bind('PROGRESS')
s.setblocking(1)
while True:
msg = s.recv(4096)
try:
(n, total, name, chain) = CalculationStatus.read_message(s)
print "----"
print n, total, name
for c in chain:
print c.to_string()
except:
traceback.print_exc()
