code: def options(self, parser, env=None):
          
          if env is None:
              env = os.environ
          parser.add_option(
              '--sphinx-config-tpl',
              help='Path to the Sphinx configuration file template.',
          )
  
          super(SphinxSearchPlugin, self).options(parser, env)
docs: Sphinx config file that can optionally take the following python
          template string arguments:
  
          ``database_name``
          ``database_password``
          ``database_username``
          ``database_host``
          ``database_port``
          ``sphinx_search_data_dir``
          ``searchd_log_dir``