logging.py 文件源码

def should_color(self):
        # Don't colorize things if we do not have colorama
        if not colorama:
            return False

        real_stream = (
            self.stream if not isinstance(self.stream, colorama.AnsiToWin32)
            else self.stream.wrapped
        )

        # If the stream is a tty we should color it
        if hasattr(real_stream, "isatty") and real_stream.isatty():
            return True

        # If we have an ASNI term we should color it
        if os.environ.get("TERM") == "ANSI":
            return True

        # If anything else we should not color it
        return False