import requests
from eliot import start_action, to_file
to_file(open("linkcheck.log", "w"))


def check_links(urls):
    with start_action(action_type="check_links", urls=urls):
        for url in urls:
            try:
                with start_action(action_type="download", url=url):
                    response = requests.get(url)
                    response.raise_for_status()
            except Exception as e:
                raise ValueError(str(e))

try:
    check_links(["http://eliot.readthedocs.io", "http://nosuchurl"])
except ValueError:
    print("Not all links were valid.")