remote.py 文件源码

def _pick_url(self, use_authority = False):
    """
    Provides a url that can be queried. If we have multiple endpoints then one
    will be picked randomly.

    :param bool use_authority: ignores our endpoints and uses a directory
      authority instead

    :returns: **str** for the url being queried by this request
    """

    if use_authority or not self.endpoints:
      authority = random.choice(filter(HAS_V3IDENT, get_authorities().values()))
      address, dirport = authority.address, authority.dir_port
    else:
      address, dirport = random.choice(self.endpoints)

    return 'http://%s:%i/%s' % (address, dirport, self.resource.lstrip('/'))