code: def all_dbs(self):
          
          url = '/'.join((self.server_url, '_all_dbs'))
          resp = self.r_session.get(url)
          resp.raise_for_status()
          return response_to_json_dict(resp)
docs: Retrieves a list of all database names for the current client.
  
          :returns: List of database names for the client