_app.py 文件源码

def _get_close_args(self, data):
        """ this functions extracts the code, reason from the close body
        if they exists, and if the self.on_close except three arguments """
        import inspect
        # if the on_close callback is "old", just return empty list
        if not self.on_close or len(inspect.getargspec(self.on_close).args) != 3:
            return []

        if data and len(data) >= 2:
            code = 256*six.byte2int(data[0:1]) + six.byte2int(data[1:2])
            reason = data[2:].decode('utf-8')
            return [code, reason]

        return [None, None]