_tornado.py 文件源码

def add_favicon_path(self, path: str) -> None:
        """Add path to serve favicon file.

        ``path`` should be a directory, which contains favicon file
        (``favicon.ico``) for your app.
        """
        spec = web.URLSpec(
            '/(favicon.ico)',
            StaticFileHandler,
            dict(path=path)
        )
        # Need some check
        handlers = self.handlers[0][1]
        handlers.append(spec)