def validate_api_link()

in modular-service-cli/modular_service_cli/service/utils.py [0:0]

• 19 lines of code
• 8 McCabe index (conditional complexity)

def validate_api_link(url: str) -> str | None:
    url = url.lstrip()

    if "://" in url and not url.lower().startswith("http"):
        return 'Invalid API link: not supported scheme'
    try:
        scheme, auth, host, port, path, query, fragment = parse_url(url)
    except LocationParseError as e:
        return 'Invalid API link'
    if not scheme:
        return 'Invalid API link: missing scheme'
    if not host:
        return 'Invalid API link: missing host'
    try:
        req = urllib.request.Request(url)
        urllib.request.urlopen(req)
    except urllib.error.HTTPError as e:
        pass
    except urllib.error.URLError as e:
        return 'Invalid API link: cannot make a request'