server.py 文件源码

def log_message(self, log_obj):
        """
        Attached to the `go:log` WebSocket action; logs the given *log_obj* via
        :meth:`ApplicationWebSocket.client_log`.  The *log_obj* should be a
        dict (JSON object, really) in the following format::

            {
                "level": "info", # Optional
                "message": "Actual log message here"
            }

        If a "level" is not given the "info" level will be used.

        *Supported Levels:* "info", "error", "warning", "debug", "fatal",
        "critical".

        .. note::

            The "critical" and "fatal" log levels both use the
            `logging.Logger.critical` method.
        """
        if not self.current_user:
            return # Don't let unauthenticated users log messages.
            # NOTE:  We're not using the authenticated() check here so we don't
            # end up logging a zillion error messages when an unauthenticated
            # user's client has debug logging enabled.
        if "message" not in log_obj:
            return # Nothing to do
        log_obj["level"] = log_obj.get("level", "info") # Default to "info"
        loggers = {
            "info": self.client_log.info,
            "warning": self.client_log.warning,
            "error": self.client_log.error,
            "debug": self.client_log.debug,
            "fatal": self.client_log.critical, # Python doesn't use "fatal"
            "critical": self.client_log.critical,
        }
        if isinstance(log_obj["message"], bytes):
            log_msg = log_obj["message"]
        else:
            log_msg = log_obj["message"].encode('utf-8')
        loggers[log_obj["level"].lower()](
            "Client Logging: {0}".format(log_msg))