code: def list_buckets(self):
          
          details = self._details(
              method=b"GET",
              url_context=self._url_context(),
          )
          query = self._query_factory(details)
          d = self._submit(query)
          d.addCallback(self._parse_list_buckets)
          return d
docs: List all buckets.
  
          Returns a list of all the buckets owned by the authenticated sender of
          the request.