import os
import time
import urllib.request as urllib
from urllib.error import URLError
import socket
EXCEPTIONS = (URLError, socket.timeout, ConnectionResetError)
start_ts = time.time()
expected_port = os.environ.get("MOTO_PORT", "5000")
expected_host = "http://localhost:{}/".format(expected_port)
print("Waiting for service to come up on {}".format(expected_host))
while True:
try:
urllib.urlopen(expected_host, timeout=1)
break
except EXCEPTIONS:
elapsed_s = time.time() - start_ts
if elapsed_s > 120:
raise
print(".")
time.sleep(1)
