slogging.py 文件源码

def format_message(self, msg, kwargs, highlight, level):
        if getattr(self, 'log_json', False):
            message = dict()
            message['event'] = '{}.{}'.format(self.name, msg.lower().replace(' ', '_'))
            message['level'] = logging.getLevelName(level)
            try:
                message.update(kwargs)
                try:
                    msg = json.dumps(message, cls=_LogJSONEncoder)
                except TypeError:
                    # Invalid value. With our custom encoder this can only happen with non-string
                    # dict keys (see: https://bugs.python.org/issue18820).
                    message = _stringify_dict_keys(message)
                    msg = json.dumps(message, cls=_LogJSONEncoder)
            except UnicodeDecodeError:
                message.update({
                    k: v if isnumeric(v) or isinstance(v, (float, complex)) else repr(v)
                    for k, v in kwargs.items()
                })
                msg = json.dumps(message, cls=_LogJSONEncoder)
        else:
            msg = "{}{} {}{}".format(
                bcolors.WARNING if highlight else "",
                msg,
                " ".join("{}={!s}".format(k, v) for k, v in kwargs.items()),
                bcolors.ENDC if highlight else ""
            )
        return msg