Get target URLs from a redirect mapping

target-urls.py

#! /usr/bin/env python3

import requests
from urllib.parse import urlparse
import yaml


for path, location in yaml.load(open("redirect-source.yaml")).items():
    response = requests.get(f"http://docs.snapcraft.io{location}")
    if response.ok:
        target_path = urlparse(response.url).path
        print(f"{path}: {target_path}")
    else:
        print(response, path, response.url)