Waiting HTTP 200 from web service

wait-response.py

#!/usr/bin/env python

# DEPENDENCIES:
#   - requests
#     Installation: aptitude install python-requests

import requests
import sys

from time import time, sleep

if len(sys.argv) != 3:
    print("Usage: wait-response.py <URL> <TIMEOUT>\n")
    print("Example:\n\twait-response.py http://google.com 30")
    sys.exit(1)

url = sys.argv[1]
timeout = int(sys.argv[2])

t0 = time()

while True:
    try:
        resp = requests.get(url, timeout=timeout, verify=False)
        if resp.status_code == 200:
            break
    except requests.exceptions.Timeout:
        print("Timeout.")
        sys.exit(1)
    except requests.exceptions.ConnectionError:
        pass

    sleep(1)
    current_time = time()
    if time() - t0 >= timeout:
        print("Timeout.")
        sys.exit(1)

wait-response.sh

#!/usr/bin/env bash

T0=$(date +%s)

while true; do
  STATUS=$(curl --write-out "%{http_code}\n" -k --silent --output /dev/null https://yandex.ru)
  if [ "$STATUS" = "200" ]; then
    exit 0
  fi
  sleep 1
  T=$(date +%s)
  if [ $(( $T - $T0 )) -gt 30 ]; then
    exit 1
  fi
done