Python/requests

Standard Usage

Simulate conditions.

import requests
from requests.exceptions import RequestException

def send_request(url, params={}):
    try:
        resp = requests.get(url, params=params, allow_redirects=False, timeout=1.5)
        if resp.status_code == 200:
            print('%-40s | HTTP OK' % url)
        else:
            print('%-40s | HTTP Status: %s' % (url, resp.status_code))
    except RequestException as ex:
        print('%-40s | RequestException: %s' % (url, type(ex).__name__))

def main(quickly=True):
    mini_list = [200, 302, 404, 500]
    full_list = [
        100, 101, 102, 103,
        200, 201, 202, 203, 204, 205, 206,
        300, 301, 302, 303, 304, 305, 306, 307, 308,
        400, 401, 402, 403, 404, 405, 406, 407, 408, 409,
        410, 411, 412, 413, 414, 415, 416, 417, 418,
        421, 422, 423, 425, 426, 428, 429,
        431, 451,
        500, 501, 502, 503, 504, 505, 506,
        511, 520, 522, 524
    ]

    code_list = mini_list if quickly else full_list
    for code in code_list:
        url = 'https://httpstat.us/%s' % code
        send_request(url)

    params = { 'sleep': 1600 }
    url = 'https://httpstat.us/200'
    send_request(url, params)

    url = 'httpx://httpstat.us/200'
    send_request(url)

if __name__ == '__main__':
    main()

Output

$ python3 requests_feed.py 
https://httpstat.us/200                  | HTTP OK
https://httpstat.us/302                  | HTTP Status: 302
https://httpstat.us/404                  | HTTP Status: 404
https://httpstat.us/500                  | HTTP Status: 500
https://httpstat.us/200?sleep=2000       | RequestException: ReadTimeout
httpx://httpstat.us/200                  | RequestException: InvalidSchema

Hierarchy of Exceptions

See: https://requests.kennethreitz.org/en/master/_modules/requests/exceptions/#RequestException