#!/usr/bin/python3

import argparse
import requests
import sys
from time import time, sleep

import urllib3
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

no_proxy = {
    # no proxy
    'no': 'pass',
}

args = {}


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 = no_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('--use-proxy')
        parser.add_argument('-p')
        args = parser.parse_args()

        if args.use_proxy or args.p:
            no_proxy = None

        run()

    except KeyboardInterrupt:
        exit()