command.py 文件源码

def config():
    answer = input("Please enter the URL for your custom Quilt registry (ask your administrator),\n" +
                   "or leave this line blank to use the default registry: ")
    if answer:
        url = urlparse(answer.rstrip('/'))
        if (url.scheme not in ['http', 'https'] or not url.netloc or
            url.path or url.params or url.query or url.fragment):
            raise CommandException("Invalid URL: %s" % answer)
        canonical_url = urlunparse(url)
    else:
        # When saving the config, store '' instead of the actual URL in case we ever change it.
        canonical_url = ''

    cfg = _load_config()
    cfg['registry_url'] = canonical_url
    _save_config(cfg)

    # Clear the cached URL.
    global _registry_url
    _registry_url = None