只要你不想去发明轮子。

只需pip安装loguru，然后:

from loguru import logger

if __name__ == '__main__':
    message = "Message text"

    logger.info(message)
    logger.debug(message)
    logger.warning(message)
    logger.success(message)
    logger.error(message)
    logger.critical(message)

输出:

您可以更改格式，颜色，写入文件从盒子…这里是文档

下面的解决方案只适用于python 3，但对我来说，它看起来是最清楚的。

其思想是使用日志记录工厂向日志记录对象添加“有色”属性，然后在日志格式中使用这些“有色”属性。

import logging
logger = logging.getLogger(__name__)

def configure_logging(level):

    # add 'levelname_c' attribute to log resords
    orig_record_factory = logging.getLogRecordFactory()
    log_colors = {
        logging.DEBUG:     "\033[1;34m",  # blue
        logging.INFO:      "\033[1;32m",  # green
        logging.WARNING:   "\033[1;35m",  # magenta
        logging.ERROR:     "\033[1;31m",  # red
        logging.CRITICAL:  "\033[1;41m",  # red reverted
    }
    def record_factory(*args, **kwargs):
        record = orig_record_factory(*args, **kwargs)
        record.levelname_c = "{}{}{}".format(
            log_colors[record.levelno], record.levelname, "\033[0m")
        return record

    logging.setLogRecordFactory(record_factory)

    # now each log record object would contain 'levelname_c' attribute
    # and you can use this attribute when configuring logging using your favorite
    # method.
    # for demo purposes I configure stderr log right here

    formatter_c = logging.Formatter("[%(asctime)s] %(levelname_c)s:%(name)s:%(message)s")

    stderr_handler = logging.StreamHandler()
    stderr_handler.setLevel(level)
    stderr_handler.setFormatter(formatter_c)

    root_logger = logging.getLogger('')
    root_logger.setLevel(logging.DEBUG)
    root_logger.addHandler(stderr_handler)


def main():
    configure_logging(logging.DEBUG)

    logger.debug("debug message")
    logger.info("info message")
    logger.critical("something unusual happened")


if __name__ == '__main__':
    main()

您可以轻松地修改此示例，以创建其他彩色属性(f.e. message_c)，然后使用这些属性(仅)在需要的位置获取彩色文本。

(我最近发现的一个方便的技巧:我有一个带有彩色调试日志的文件，每当我想临时增加我的应用程序的日志级别时，我只需在不同的终端中跟踪-f日志文件，并在屏幕上看到调试日志，w/o更改任何配置并重新启动应用程序)

最简单的解决办法可能是科罗拉多州。

在你的电脑上安装Colorama:

pip install colorama

然后把它添加到你的Python程序中:

import colorama
print(Fore.GREEN + "test123")

如果你需要多颜色的东西，使用YAChalk。

在你的电脑上安装YAChalk:

pip install yachalk

将它添加到你的Python程序中:

from yachalk import chalk
print(chalk.blue("This is blue and {chalk.red("this is red")})

FriendlyLog是另一种选择。它适用于Linux、Windows和MacOS下的Python 2和3。

import logging

logging.basicConfig(filename="f.log" filemode='w', level=logging.INFO,
                    format = "%(logger_name)s %(color)s  %(message)s %(endColor)s")


class Logger(object):
    __GREEN = "\033[92m"
    __RED = '\033[91m'
    __ENDC = '\033[0m'

    def __init__(self, name):
        self.logger = logging.getLogger(name)
        self.extra={'logger_name': name, 'endColor': self.__ENDC, 'color': self.__GREEN}


    def info(self, msg):
        self.extra['color'] = self.__GREEN
        self.logger.info(msg, extra=self.extra)

    def error(self, msg):
        self.extra['color'] = self.__RED
        self.logger.error(msg, extra=self.extra)

使用

日志记录器("文件名").info("显示绿色文本")

这是一个包含颜色代码的Enum:

class TerminalColour:
    """
    Terminal colour formatting codes
    """
    # https://stackoverflow.com/questions/287871/print-in-terminal-with-colors
    MAGENTA = '\033[95m'
    BLUE = '\033[94m'
    GREEN = '\033[92m'
    YELLOW = '\033[93m'
    RED = '\033[91m'
    GREY = '\033[0m'  # normal
    WHITE = '\033[1m'  # bright white
    UNDERLINE = '\033[4m'

这可以应用于每个日志级别的名称。请注意，这是一个可怕的黑客。

logging.addLevelName(logging.INFO, "{}{}{}".format(TerminalColour.WHITE, logging.getLevelName(logging.INFO), TerminalColour.GREY))
logging.addLevelName(logging.WARNING, "{}{}{}".format(TerminalColour.YELLOW, logging.getLevelName(logging.WARNING), TerminalColour.GREY))
logging.addLevelName(logging.ERROR, "{}{}{}".format(TerminalColour.RED, logging.getLevelName(logging.ERROR), TerminalColour.GREY))
logging.addLevelName(logging.CRITICAL, "{}{}{}".format(TerminalColour.MAGENTA, logging.getLevelName(logging.CRITICAL), .GREY))

注意，您的日志格式化程序必须包含日志级别的名称

%(levelname)

例如:

    LOGGING = {
...
        'verbose': {
            'format': '%(asctime)s %(levelname)s %(name)s:%(lineno)s %(module)s %(process)d %(thread)d %(message)s'
        },
        'simple': {
            'format': '[%(asctime)s] %(levelname)s %(name)s %(message)s'
        },