def _gw2_wine_spawn_info(self):
        """
        Return the information required to spawn :py:mod:`~.read_mumble_link`
        as a Python script running under GW2's wine install.

        :return: return a 3-tuple of wine executable path (str), args to pass
          to wine (list, wine python binary path and ``read_mumble_link.py``
          module path), wine process environment (dict)
        :rtype: tuple
        """
        gw2_ps = self._gw2_process
        env = gw2_ps.environ()
        wine_path = os.path.join(os.path.dirname(gw2_ps.exe()), 'wine')
        logger.debug("Gw2.exe executable: %s; inferred wine binary as: %s",
                     gw2_ps.exe(), wine_path)
        wine_args = [
            wine_path,
            self._wine_python_path(env['WINEPREFIX']),
            self._read_mumble_path,
            '-i'
        ]
        return wine_path, wine_args, env