docs: def add_papyrus_handler(self, route_name_prefix, base_url, handler):
      """ Add a Papyrus handler, i.e. a handler defining the MapFish
      HTTP interface.
  
      Example::
  
          import papyrus
          config.include(papyrus)
          config.add_papyrus_handler(
              'spots', '/spots', 'mypackage.handlers.SpotHandler')
  
      Arguments:
  
      ``route_name_prefix`` The prefix used for the route names
      passed to ``config.add_handler``.
  
      ``base_url`` The web service's base URL, e.g. ``/spots``. No
      trailing slash!
  
      ``handler`` a dotted name or a reference to a handler class,
      e.g. ``'mypackage.handlers.MyHandler'``.
      """
      route_name = route_name_prefix + '_read_many'
      self.add_handler(route_name, base_url, handler,
                       action='read_many', request_method='GET')
      route_name = route_name_prefix + '_read_one'
      self.add_handler(route_name, base_url + '/{id}', handler,
                       action='read_one', request_method='GET')
      route_name = route_name_prefix + '_count'
      self.add_handler(route_name, base_url + '/count', handler,
                       action='count', request_method='GET')
      route_name = route_name_prefix + '_create'
      self.add_handler(route_name, base_url, handler,
                       action='create', request_method='POST')
      route_name = route_name_prefix + '_update'
      self.add_handler(route_name, base_url + '/{id}', handler,
                       action='update', request_method='PUT')
      route_name = route_name_prefix + '_delete'
      self.add_handler(route_name, base_url + '/{id}', handler,
                       action='delete', request_method='DELETE')