{"id":1106,"date":"2021-02-18T02:34:16","date_gmt":"2021-02-17T18:34:16","guid":{"rendered":"http:\/\/www.yatenglg.cn\/?p=1106"},"modified":"2022-10-18T16:44:28","modified_gmt":"2022-10-18T08:44:28","slug":"python%e6%97%a5%e5%bf%97%e5%a4%84%e7%90%86-logging","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=1106","title":{"rendered":"python\u65e5\u5fd7\u5904\u7406 logging"},"content":{"rendered":"

\u4e00. \u7b80\u4ecb<\/h1>\n

logging<\/strong>\u6a21\u5757\u662fPython\u5185\u7f6e\u7684\u6807\u51c6\u6a21\u5757\uff0c\u4e3b\u8981\u7528\u4e8e\u8f93\u51fa\u8fd0\u884c\u65e5\u5fd7\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8f93\u51fa\u65e5\u5fd7\u7684\u7b49\u7ea7\u3001\u65e5\u5fd7\u4fdd\u5b58\u8def\u5f84\u3001\u65e5\u5fd7\u6587\u4ef6\u56de\u6eda\u7b49\u3002<\/p>\n

\u4e8c. \u65e5\u5fd7\u7b49\u7ea7<\/strong>\uff1a<\/h1>\n
    \n
  • CRITICAL\uff1a 50\uff0c \u7279\u522b\u7cdf\u7cd5\u7684\u4e8b\u60c5\uff0c\u8f6f\u4ef6\u5df2\u4e0d\u80fd\u7ee7\u7eed\u8fd0\u884c\u4e86<\/span><\/li>\n
  • ERROR\uff1a\u00a0\u00a0\u00a0 40\uff0c \u53d1\u751f\u9519\u8bef\uff0c\u4e0d\u80fd\u6267\u884c\u4e00\u4e9b\u529f\u80fd\u65f6<\/span>\uff0c\u5982IO\u64cd\u4f5c\u5931\u8d25\u6216\u8005\u8fde\u63a5\u95ee\u9898<\/li>\n
  • WARNING\uff1a30\uff0c \u53d1\u751f\u5f88\u91cd\u8981\u7684\u4e8b\u4ef6\uff0c\u4f46\u662f\u5e76\u4e0d\u662f\u9519\u8bef\u65f6<\/li>\n
  • INFO\uff1a\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20\uff0c \u5904\u7406\u8bf7\u6c42\u6216\u8005\u72b6\u6001\u53d8\u5316\u7b49\u65e5\u5e38\u4e8b\u52a1\uff0c\u6309\u9884\u671f\u5de5\u4f5c<\/span><\/li>\n
  • DEBUG\uff1a\u00a0\u00a0\u00a0\u00a0 10\uff0c \u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u4f7f\u7528DEBUG\u7b49\u7ea7\uff0c\u5982\u7b97\u6cd5\u4e2d\u6bcf\u4e2a\u5faa\u73af\u7684\u4e2d\u95f4\u72b6\u6001<\/li>\n<\/ul>\n

    \u4e09. \u57fa\u672c\u4f7f\u7528<\/h1>\n

    \u4f7f\u7528logging.basicConfig<\/strong>\u8f93\u51fa\u65e5\u5fd7<\/span><\/span><\/p>\n

    # \u8f93\u51fa\u65e5\u5fd7\u5230\u63a7\u5236\u53f0\r\nimport logging\r\nlogger = logging.getLogger()\r\nlogging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')\r\n\r\nlogger.info(\"Start print log\")\r\nlogger.debug(\"Do something\")\r\nlogger.warning(\"Something maybe fail.\")\r\nlogger.info(\"Finish\")\r\n\r\n# \u8f93\u51fa\u65e5\u5fd7\u5230\u6587\u4ef6\r\nimport logging\r\nlogger = logging.getLogger() \r\nlogging.basicConfig(filename=\"xxx.log\", level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s') \r\n\r\nlogger.info(\"Start print log\") \r\nlogger.debug(\"Do something\") \r\nlogger.warning(\"Something maybe fail.\") \r\nlogger.info(\"Finish\")<\/pre>\n
    basicConfig <\/strong><\/span><\/span>\u53c2\u6570\uff1a<\/p>\n
      \n
    • filename\u00a0\u00a0\u00a0 \u65e5\u5fd7\u6587\u4ef6\u540d<\/li>\n
    • filemode\u00a0\u00a0\u00a0 \u65e5\u5fd7\u6587\u4ef6\u7684\u6253\u5f00\u6a21\u5f0f\uff0c”w”(\u5199)\u6216”a”(\u8ffd\u52a0)\uff0c\u9ed8\u8ba4”a”<\/li>\n
    • format\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u8f93\u51fa\u7684\u683c\u5f0f\u548c\u5185\u5bb9<\/li>\n
    • datefmt\u00a0\u00a0\u00a0\u00a0\u00a0 \u65f6\u95f4\u683c\u5f0f\uff0c\u4e0etime.strftime()\u76f8\u540c<\/li>\n
    • level\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u8bbe\u7f6e\u65e5\u5fd7\u7ea7\u522b<\/li>\n
    • stream\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u65e5\u5fd7\u7684\u8f93\u51fa\u6d41\uff0c\u53ef\u4ee5\u6307\u5b9a\u8f93\u51fa\u5230sys.stderr,sys.stdout\u6216\u8005\u6587\u4ef6\uff0c\u4e0efilename\u53c2\u6570\u4e0d\u517c\u5bb9<\/li>\n
    • handlers\u00a0\u00a0\u00a0\u00a0 \u6307\u5b9a\u5904\u7406\u7a0b\u5e8f\uff08\u8be6\u60c5\u89c1\u4e0b\u6587\uff09\uff0c\u6b64\u53c2\u6570\u4e0e filename \u6216 stream \u4e0d\u517c\u5bb9
      \n<\/em><\/li>\n<\/ul>\n
      format<\/strong> \u5360\u4f4d\u7b26 :<\/p>\n
        \n
      • \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
        args<\/td>\n\u4e0d\u9700\u8981\u683c\u5f0f\u5316\u3002<\/td>\n\u5408\u5e76\u5230 msg<\/span><\/code> \u4ee5\u4ea7\u751f message<\/span><\/code> \u7684\u5305\u542b\u53c2\u6570\u7684\u5143\u7ec4\uff0c\u6216\u662f\u5176\u4e2d\u7684\u503c\u5c06\u88ab\u7528\u4e8e\u5408\u5e76\u7684\u5b57\u5178\uff08\u5f53\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\u4e14\u5176\u7c7b\u578b\u4e3a\u5b57\u5178\u65f6\uff09\u3002<\/td>\n<\/tr>\n
        asctime<\/td>\n%(asctime)s<\/span><\/code><\/td>\n\u8868\u793a LogRecord<\/span><\/code><\/a> \u4f55\u65f6\u88ab\u521b\u5efa\u7684\u4f9b\u4eba\u67e5\u770b\u65f6\u95f4\u503c\u3002 \u9ed8\u8ba4\u5f62\u5f0f\u4e3a ‘2003-07-08 16:49:45,896’ (\u9017\u53f7\u4e4b\u540e\u7684\u6570\u5b57\u4e3a\u65f6\u95f4\u7684\u6beb\u79d2\u90e8\u5206)\u3002<\/td>\n<\/tr>\n
        created<\/td>\n%(created)f<\/span><\/code><\/td>\nLogRecord<\/span><\/code><\/a> \u88ab\u521b\u5efa\u7684\u65f6\u95f4\uff08\u5373 time.time()<\/span><\/code><\/a> \u7684\u8fd4\u56de\u503c\uff09\u3002<\/td>\n<\/tr>\n
        exc_info<\/td>\n\u4e0d\u9700\u8981\u683c\u5f0f\u5316\u3002<\/td>\n\u5f02\u5e38\u5143\u7ec4 (\u4f8b\u5982 sys.exc_info<\/span><\/code>) \u6216\u8005\u5982\u672a\u53d1\u751f\u5f02\u5e38\u5219\u4e3a None<\/span><\/code>\u3002<\/td>\n<\/tr>\n
        filename<\/td>\n%(filename)s<\/span><\/code><\/td>\npathname<\/span><\/code> \u7684\u6587\u4ef6\u540d\u90e8\u5206\u3002<\/td>\n<\/tr>\n
        funcName<\/td>\n%(funcName)s<\/span><\/code><\/td>\n\u51fd\u6570\u540d\u5305\u62ec\u8c03\u7528\u65e5\u5fd7\u8bb0\u5f55.<\/td>\n<\/tr>\n
        levelname<\/td>\n%(levelname)s<\/span><\/code><\/td>\n\u6d88\u606f\u6587\u672c\u8bb0\u5f55\u7ea7\u522b ('DEBUG'<\/span><\/code>, 'INFO'<\/span><\/code>, 'WARNING'<\/span><\/code>, 'ERROR'<\/span><\/code>, 'CRITICAL'<\/span><\/code>).<\/td>\n<\/tr>\n
        levelno<\/td>\n%(levelno)s<\/span><\/code><\/td>\n\u6d88\u606f\u6570\u5b57\u8bb0\u5f55\u7ea7\u522b (DEBUG<\/span><\/code>, INFO<\/span><\/code>, WARNING<\/span><\/code>, ERROR<\/span><\/code>, CRITICAL<\/span><\/code>).<\/td>\n<\/tr>\n
        lineno<\/td>\n%(lineno)d<\/span><\/code><\/td>\n\u53d1\u51fa\u65e5\u5fd7\u8bb0\u5f55\u8c03\u7528\u6240\u5728\u7684\u6e90\u884c\u53f7\uff08\u5982\u679c\u53ef\u7528\uff09\u3002<\/td>\n<\/tr>\n
        message<\/td>\n%(message)s<\/span><\/code><\/td>\n\u8bb0\u5165\u65e5\u5fd7\u7684\u6d88\u606f\uff0c\u5373 msg<\/span> %<\/span> args<\/span><\/code> \u7684\u7ed3\u679c\u3002 \u8fd9\u662f\u5728\u53d1\u8d77\u8c03\u7528 Formatter.format()<\/span><\/code><\/a> \u65f6\u8bbe\u7f6e\u7684\u3002<\/td>\n<\/tr>\n
        module \u6a21\u5757<\/td>\n%(module)s<\/span><\/code><\/td>\n\u6a21\u5757 (filename<\/span><\/code> \u7684\u540d\u79f0\u90e8\u5206)\u3002<\/td>\n<\/tr>\n
        msecs<\/td>\n%(msecs)d<\/span><\/code><\/td>\nLogRecord<\/span><\/code><\/a> \u88ab\u521b\u5efa\u7684\u65f6\u95f4\u7684\u6beb\u79d2\u90e8\u5206\u3002<\/td>\n<\/tr>\n
        msg<\/td>\n\u4e0d\u9700\u8981\u683c\u5f0f\u5316\u3002<\/td>\n\u5728\u539f\u59cb\u65e5\u5fd7\u8bb0\u5f55\u8c03\u7528\u4e2d\u4f20\u5165\u7684\u683c\u5f0f\u5b57\u7b26\u4e32\u3002 \u4e0e args<\/span><\/code> \u5408\u5e76\u4ee5\u4ea7\u751f message<\/span><\/code>\uff0c\u6216\u662f\u4e00\u4e2a\u4efb\u610f\u5bf9\u8c61 (\u53c2\u89c1 \u4f7f\u7528\u4efb\u610f\u5bf9\u8c61\u4f5c\u4e3a\u6d88\u606f<\/span><\/a>)\u3002<\/td>\n<\/tr>\n
        \u540d\u79f0<\/td>\n%(name)s<\/span><\/code><\/td>\n\u7528\u4e8e\u8bb0\u5f55\u8c03\u7528\u7684\u65e5\u5fd7\u8bb0\u5f55\u5668\u540d\u79f0\u3002<\/td>\n<\/tr>\n
        pathname<\/td>\n%(pathname)s<\/span><\/code><\/td>\n\u53d1\u51fa\u65e5\u5fd7\u8bb0\u5f55\u8c03\u7528\u7684\u6e90\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u540d\uff08\u5982\u679c\u53ef\u7528\uff09\u3002<\/td>\n<\/tr>\n
        process<\/td>\n%(process)d<\/span><\/code><\/td>\n\u8fdb\u7a0bID\uff08\u5982\u679c\u53ef\u7528\uff09<\/td>\n<\/tr>\n
        processName<\/td>\n%(processName)s<\/span><\/code><\/td>\n\u8fdb\u7a0b\u540d\uff08\u5982\u679c\u53ef\u7528\uff09<\/td>\n<\/tr>\n
        relativeCreated<\/td>\n%(relativeCreated)d<\/span><\/code><\/td>\n\u4ee5\u6beb\u79d2\u6570\u8868\u793a\u7684 LogRecord \u88ab\u521b\u5efa\u7684\u65f6\u95f4\uff0c\u5373\u76f8\u5bf9\u4e8e logging \u6a21\u5757\u88ab\u52a0\u8f7d\u65f6\u95f4\u7684\u5dee\u503c\u3002<\/td>\n<\/tr>\n
        stack_info<\/td>\n\u4e0d\u9700\u8981\u683c\u5f0f\u5316\u3002<\/td>\n\u5f53\u524d\u7ebf\u7a0b\u4e2d\u4ece\u5806\u6808\u5e95\u90e8\u8d77\u5411\u4e0a\u76f4\u5230\u5305\u62ec\u65e5\u5fd7\u8bb0\u5f55\u8c03\u7528\u5e76\u5bfc\u81f4\u521b\u5efa\u6b64\u8bb0\u5f55\u7684\u5806\u6808\u5e27\u7684\u5806\u6808\u5e27\u4fe1\u606f\uff08\u5982\u679c\u53ef\u7528\uff09\u3002<\/td>\n<\/tr>\n
        thread<\/td>\n%(thread)d<\/span><\/code><\/td>\n\u7ebf\u7a0bID\uff08\u5982\u679c\u53ef\u7528\uff09<\/td>\n<\/tr>\n
        threadName<\/td>\n%(threadName)s<\/span><\/code><\/td>\n\u7ebf\u7a0b\u540d\uff08\u5982\u679c\u53ef\u7528\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \u56db. Handlers<\/span><\/h1>\n<\/li>\n<\/ul>\n
        \u5904\u7406\u5668<\/span><\/strong>\u8d1f\u8d23\u5c06\u9002\u5f53\u7684\u65e5\u5fd7\u6d88\u606f\uff08\u57fa\u4e8e\u65e5\u5fd7\u6d88\u606f\u7684\u4e25\u91cd\u6027\uff09\u5206\u6d3e\u5230\u5904\u7406\u7a0b\u5e8f\u7684\u6307\u5b9a\u76ee\u6807\u3002<\/span><\/span><\/p>\n
        Logger\u00a0\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7addHandler()\u65b9\u6cd5\u589e\u52a0\u96f6\u4e2a\u6216\u591a\u4e2ahandler\u5bf9\u8c61\u3002<\/span><\/span><\/p>\n
        # \u540c\u65f6\u8f93\u51fa\u5230\u6587\u4ef6\u548c\u63a7\u5236\u53f0\r\nimport logging\r\nlogger = logging.getLogger()\r\nlogger.setLevel(level = logging.INFO)\r\nformatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')\r\nhandler = logging.FileHandler(\"log.txt\")# \u6587\u4ef6\u5904\u7406\u5668\r\nhandler.setLevel(logging.INFO)\r\nhandler.setFormatter(formatter)\r\n\r\nconsole = logging.StreamHandler() # \u63a7\u5236\u53f0\u5904\u7406\u5668\r\nconsole.setLevel(logging.INFO)\r\nhandler.setFormatter(formatter)\r\nlogger.addHandler(handler) # \u6dfb\u52a0\u6587\u4ef6\u8f93\u51fa\r\nlogger.addHandler(console) # \u6dfb\u52a0\u63a7\u5236\u53f0\u8f93\u51fa\r\n\r\nlogger.info(\"Start print log\")\r\nlogger.debug(\"Do something\")\r\nlogger.warning(\"Something maybe fail.\")\r\nlogger.info(\"Finish\")<\/pre>\n
        Handlers<\/span><\/strong>\u5904\u7406\u5668\u5e38\u7528\u7684\u6709\u56db\u79cd\uff1a<\/span><\/p>\n
          \n
        • logging.StreamHandler:\u00a0\u00a0\u00a0\u00a0 \u63a7\u5236\u53f0\u8f93\u51fa\u00a0<\/span><\/li>\n
        •  logging.FileHandler:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6587\u4ef6\u8f93\u51fa<\/span><\/li>\n
        • logging.handlers.RotatingFileHandler:\u00a0\u00a0\u00a0 \u6309\u7167\u5927\u5c0f\u81ea\u52a8\u5206\u5272\u65e5\u5fd7\u6587\u4ef6\uff0c\u4e00\u65e6\u8fbe\u5230\u6307\u5b9a\u7684\u5927\u5c0f\u91cd\u65b0\u751f\u6210\u6587\u4ef6<\/span><\/li>\n<\/ul>\n
          \u7c7b\u4f3c\u4e8e\u4e0a\u9762\u7684FileHandler\uff0c\u4f46\u662f\u5b83\u53ef\u4ee5\u7ba1\u7406\u6587\u4ef6\u5927\u5c0f<\/span>\u3002\u5f53\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u8d85\u8fc7\u8bbe\u5b9a\u503c\u540e\uff0c\u65b0\u5efa\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u65e5\u5fd7\u3002<\/p>\n
            \n
          • logging.handlers.TimedRotatingFileHandler:\u00a0\u00a0\u00a0 \u6309\u7167\u65f6\u95f4\u81ea\u52a8\u5206\u5272\u65e5\u5fd7\u6587\u4ef6<\/span><\/li>\n<\/ul>\n
            \u548cRotatingFileHandler\u7c7b\u4f3c\uff0c\u4f46\u662f\u901a\u8fc7\u95f4\u9694\u4e00\u5b9a\u65f6\u95f4\uff0c\u7136\u540e\u81ea\u52a8\u521b\u5efa\u65b0\u7684\u65e5\u5fd7\u6587\u4ef6\u3002<\/span><\/p>\n
            RotatingFileHandler <\/span><\/strong>\u53c2\u6570\uff1a<\/span><\/p>\n
            class <\/span>RotatingFileHandler<\/span>(BaseRotatingHandler):\r\n    def <\/span>__init__<\/span>(self<\/span>, filename<\/span>, mode<\/span>='a'<\/span>, maxBytes<\/span>=0<\/span>, backupCount<\/span>=0<\/span>, encoding<\/span>=None<\/span>, delay<\/span>=False<\/span>):\r\n        \"\"\"\r\n<\/span>\r\n<\/span>        <\/span>:param<\/span> filename:    \u65e5\u5fd7\u6587\u4ef6\u540d\r\n<\/span>        <\/span>:param<\/span> mode:        \u65e5\u5fd7\u6587\u4ef6\u6253\u5f00\u6a21\u5f0f\r\n<\/span>        <\/span>:param<\/span> maxBytes:    \u6700\u5927Bytes\u6570\uff0c1K=1024Bytes\uff0c\u4e3a0\u65f6\uff0c\u65e5\u5fd7\u53ef\u4ee5\u65e0\u9650\u5927\u3002\r\n<\/span>        <\/span>:param<\/span> backupCount: \u56de\u6eda\u6570\u91cf\uff0c\u65e5\u5fd7\u603b\u6570\u4e0d\u5927\u4e8e\u8be5\u6570\u503c\uff0c\u8d85\u8fc7\u4e4b\u540e\uff0c\u5220\u9664\u65e7\u65e5\u5fd7\r\n<\/span>        <\/span>:param<\/span> encoding:    \u7f16\u7801\u65b9\u5f0f\uff0c'utf-8'\r\n<\/span>        <\/span>:param<\/span> delay:       \r\n<\/span>        \"\"\"<\/span><\/pre>\n
            TimedRotatingFileHandler <\/strong>\u53c2\u6570\uff1a<\/p>\n
            class <\/span>TimedRotatingFileHandler<\/span>(BaseRotatingHandler):\r\n    def <\/span>__init__<\/span>(self<\/span>, filename<\/span>, when<\/span>='h'<\/span>, interval<\/span>=1<\/span>, backupCount<\/span>=0<\/span>, encoding<\/span>=None<\/span>, delay<\/span>=False<\/span>, utc<\/span>=False<\/span>, atTime<\/span>=None<\/span>):\r\n        \"\"\"\r\n<\/span>\r\n<\/span>        <\/span>:param<\/span> filename:    \u65e5\u5fd7\u6587\u4ef6\u540d\r\n<\/span>        <\/span>:param<\/span> when:        \u65f6\u95f4\u95f4\u9694\u7684\u5355\u4f4d\uff08S\u79d2\uff0cM\u5206\uff0cH\u5c0f\u65f6\uff0cD\u5929\uff0cW\u6bcf\u661f\u671f\uff08interval==0\u65f6\u4ee3\u8868\u661f\u671f\u4e00\uff0cmidnight \u6bcf\u5929\u51cc\u6668\uff09\r\n<\/span>        <\/span>:param<\/span> interval:    \u65f6\u95f4\u95f4\u9694\r\n<\/span>        <\/span>:param<\/span> backupCount: \u56de\u6eda\u6570\u91cf\uff0c\u65e5\u5fd7\u603b\u6570\u4e0d\u5927\u4e8e\u8be5\u6570\u503c\uff0c\u8d85\u8fc7\u4e4b\u540e\uff0c\u5220\u9664\u65e7\u65e5\u5fd7\r\n<\/span>        <\/span>:param<\/span> encoding:    \u7f16\u7801\u65b9\u5f0f\uff0c'utf-8'\r\n<\/span>        <\/span>:param<\/span> delay:\r\n<\/span>        <\/span>:param<\/span> utc:\r\n<\/span>        <\/span>:param<\/span> atTime:\r\n<\/span>        \"\"\"<\/span><\/pre>\n
            \u4e94. \u4f7f\u7528\u4f8b\u5b50<\/p>\n
            def <\/span>Logger<\/span>():\r\n    logger = logging.getLogger<\/span>()\r\n    format_str = '%(asctime)s - %(filename)s[line:%(lineno)d] - %(levelname)s: %(message)s' # \u65e5\u5fd7\u683c\u5f0f\u5316\u6837\u5f0f\r\n<\/span>    <\/span>logger.setLevel<\/span>(logging.INFO)  # Log\u7b49\u7ea7\u603b\u5f00\u5173\r\n<\/span>    <\/span>logging.basicConfig<\/span>(level<\/span>=logging.INFO, format<\/span>=format_str) # \u8fd9\u91cc\u4f7f\u7528basicConfig<\/span>\u8fdb\u884c\u63a7\u5236\u53f0\u8f93\u51fa\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7StreamHandler<\/span>\u8fdb\u884c\u8bbe\u7f6e\r\n\r\n    log_path = os.path.join<\/span>(os.path.dirname<\/span>(os.path.dirname<\/span>(os.path.abspath<\/span>(__file__))), 'logs'<\/span>, 'xxx.log'<\/span>) # \u65e5\u5fd7\u6587\u4ef6\r\n    fh = handlers.TimedRotatingFileHandler<\/span>(filename<\/span>=log_path, when<\/span>='D'<\/span>, backupCount<\/span>=8<\/span>, encoding<\/span>='utf-8'<\/span>) # \u6309\u65f6\u95f4\u8fdb\u884c\u56de\u6eda\r\n    fh.setFormatter<\/span>(logging.Formatter<\/span>(format_str)) # \u8bbe\u7f6e\u6587\u4ef6\u5904\u7406\u5668\u65e5\u5fd7\u683c\u5f0f\r\n    logger.addHandler<\/span>(fh) # \u6dfb\u52a0\u65e5\u5fd7\u6587\u4ef6\u5904\u7406\u5668\r\n\r\n    return <\/span>logger<\/pre>\n","protected":false},"excerpt":{"rendered":"
            \u4e00. \u7b80\u4ecb logging\u6a21\u5757\u662fPython\u5185\u7f6e\u7684\u6807\u51c6\u6a21\u5757\uff0c\u4e3b\u8981\u7528\u4e8e\u8f93\u51fa\u8fd0\u884c\u65e5\u5fd7\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8f93\u51fa\u65e5\u5fd7\u7684\u7b49\u7ea7\u3001\u65e5\u5fd7…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1106"}],"collection":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1106"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1106\/revisions"}],"predecessor-version":[{"id":1107,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1106\/revisions\/1107"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1106"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}