remote.py 文件源码

def get_extrainfo_descriptors(self, fingerprints = None, **query_args):
    """
    Provides the extrainfo descriptors with the given fingerprints. If no
    fingerprints are provided then this returns all descriptors in the present
    consensus.

    :param str,list fingerprints: fingerprint or list of fingerprints to be
      retrieved, gets all descriptors if **None**
    :param query_args: additional arguments for the
      :class:`~stem.descriptor.remote.Query` constructor

    :returns: :class:`~stem.descriptor.remote.Query` for the extrainfo descriptors

    :raises: **ValueError** if we request more than 96 descriptors by their
      fingerprints (this is due to a limit on the url length by squid proxies).
    """

    resource = '/tor/extra/all.z'

    if isinstance(fingerprints, str):
      fingerprints = [fingerprints]

    if fingerprints:
      if len(fingerprints) > MAX_FINGERPRINTS:
        raise ValueError('Unable to request more than %i descriptors at a time by their fingerprints' % MAX_FINGERPRINTS)

      resource = '/tor/extra/fp/%s.z' % '+'.join(fingerprints)

    return self.query(resource, **query_args)