httpoll/httpoll.py

#!/usr/bin/python3

import argparse
import requests
import urllib3
from time import time, sleep

urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

args = dict()
proxy = None


def poll():
    """Try to HTTP GET the URL."""
    time_start = time()
    status, result = "", ""
    try:
        r = requests.get(url=args.URL, timeout=10.0,
                         verify=False, proxies=proxy)
        status = "ok"
        result = str(r)
    except requests.exceptions.RequestException as e:
        status = "error"
        result = str(e)
    duration = format(time() - time_start, ".3f")
    print(f"[time: {duration}] [{status}]\t {result}")


def run():
    """Runs endlessly but at most once per second."""
    duration = 1
    while True:
        if duration >= 1:
            time_start = time()
            poll()
        else:
            sleep(1 - duration)
        duration = time() - time_start


if __name__ == "__main__":
    try:
        parser = argparse.ArgumentParser()
        parser.add_argument('URL')
        parser.add_argument('--no-proxy', action="store_true")
        args = parser.parse_args()

        if args.no_proxy:
            proxy = {'no': 'pass'}

        run()

    except KeyboardInterrupt:
        exit()