logger.py 文件源码

def _emit(self, record):
        msg = self.format(record)
        fs = "%s\n"
        if hasattr(record, '__nonewline__'):
            msg = msg.rstrip()
            fs = "%s"
        stream = self.stream
        if record.levelno in [ERROR, CRITICAL, FATAL]:
            stream = self.error_stream
        if not hasattr(types, "UnicodeType"):
            # if no unicode support...
            stream.write(fs % msg)
        else:
            try:
                stream.write(fs % msg)
            except UnicodeError:
                stream.write(fs % msg.encode("UTF-8"))
        self.flush()