Proxies residenciais africanos em Python

from getpass import getpass
from urllib.parse import quote, urlsplit
import requests

country = input("Country to test (ng, za, ke, gh, tz, ci, sn, cm, et, ug, rw, zm, zw, mz, ao, bw, na, bj, tg, bf, ml, mg, mu, cd): ").strip().lower()
if country not in {"ng", "za", "ke", "gh", "tz", "ci", "sn", "cm", "et", "ug", "rw", "zm", "zw", "mz", "ao", "bw", "na", "bj", "tg", "bf", "ml", "mg", "mu", "cd"}:
    raise SystemExit("Choose one country for this example.")

target = input("HTTPS endpoint you own or may test: ").strip()
parts = urlsplit(target)
if parts.scheme != "https" or not parts.hostname or parts.username or parts.password:
    raise SystemExit("Use an authorised HTTPS URL without embedded credentials.")

# Generate this full country-specific username in the client area.
user = getpass("Full generated proxy username: ")
password = getpass("Proxy password: ")
if f"-country-{country}" not in user:
    raise SystemExit("Generate a username for the selected country first.")

proxy = (
    f"http://{quote(user, safe='')}:{quote(password, safe='')}@"
    "gw.africaproxies.com:7777"
)
proxies = {"http": proxy, "https": proxy}

try:
    with requests.Session() as session:
        session.trust_env = False
        with session.get(
            target, proxies=proxies, timeout=(10, 30), verify=True,
            allow_redirects=False, stream=True,
        ) as response:
            if response.status_code in {403, 407, 429}:
                raise SystemExit(f"Stop and diagnose HTTP {response.status_code}; no retry.")
            if 300 <= response.status_code < 400:
                raise SystemExit("Stop: review the redirect destination before requesting it.")
            response.raise_for_status()
            received = 0
            for chunk in response.iter_content(chunk_size=8192):
                received += len(chunk)
                if received > 131072:
                    raise SystemExit("Stop: use a smaller control response.")
            print({"requested_country": country, "status": response.status_code,
                   "body_bytes_read": received})
except requests.exceptions.RequestException as error:
    # Exception messages can expose URLs: print the class, not credentials or URLs.
    raise SystemExit(f"Connection failed: {type(error).__name__}; diagnose before retrying.")