def window_action_button(
            self, ar, ba, status={},
            label=None, title=None, **kw):
        label = str(label or ba.get_button_label())
        uri = self.js2url(self.action_call(ar, ba, status))
        return self.href_button_action(
            ba, uri, label, title or ba.action.help_text, **kw)
Return a HTML chunk for a button that will execute this action
dataset/ETHPy150Open lsaffre/lino/lino/modlib/extjs/ext_renderer.py/ExtRenderer.window_action_button