import logging\r\n\r\n#\u8bbe\u7f6e\u8f93\u51fa\u683c\u5f0f\r\nlogging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')\r\n\r\nlogger = logging.getLogger(__name__)\r\n\r\nlogger.info(\"Start print log\")\r\nlogger.debug(\"Do something\")\r\nlogger.warning(\"Something maybe fail.\")\r\nlogger.info(\"Finish\")<\/code><\/pre>\noutput:\r\n2021-03-08 14:36:31,929 - __main__ - INFO - Start print log\r\n2021-03-08 14:36:31,929 - __main__ - WARNING - Something maybe fail.\r\n2021-03-08 14:36:31,929 - __main__ - INFO - Finish<\/pre>\n2.\u6587\u4ef6\u8f93\u51fa<\/p>\n
\u8fd9\u662f\u6700\u5e38\u7528\u7684\u6a21\u5f0f\uff0c\u6bd5\u7adf\u5728\u771f\u5b9e\u7684\u4ee3\u7801\u60c5\u51b5\u4e0b\uff0c\u540e\u7aef\u7a0b\u5e8f\u4e0d\u53ef\u80fd\u4eba\u4e3a\u7684\u65f6\u65f6\u523b\u523b\u76ef\u7740\uff0c\u4e8e\u662f\u5c31\u8981\u8f93\u51fa\u5230\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002<\/p>\n
import logging\r\nlogger = logging.getLogger(__name__)\r\nlogger.setLevel(level = logging.INFO)\r\nhandler = logging.FileHandler(\"log.txt\")\r\nhandler.setLevel(logging.INFO)\r\nformatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')\r\nhandler.setFormatter(formatter)\r\nlogger.addHandler(handler)\r\n \r\nlogger.info(\"Start print log\")\r\nlogger.debug(\"Do something\")\r\nlogger.warning(\"Something maybe fail.\")\r\nlogger.info(\"Finish\")<\/code><\/pre>\n\u5728\u540c\u8def\u5f84\u4e0b\u7684log.txt\u6587\u4ef6\u4e2d\u5b58\u5728<\/p>\n
2021-03-08 15:00:45,289 - __main__ - INFO - Start print log\r\n2021-03-08 15:00:45,290 - __main__ - WARNING - Something maybe fail.\r\n2021-03-08 15:00:45,290 - __main__ - INFO - Finish<\/pre>\n3.\u7ed3\u5408traceback\u8fdb\u884c\u8fdb\u884c\u6587\u4ef6\u62a5\u9519\u8f93\u51fa<\/h4>\nimport <\/span>logging\r\n\r\nlogger = logging.getLogger(__name__)\r\nlogger.setLevel(level<\/span>=logging.INFO)\r\nhandler = logging.FileHandler(\"log.txt\"<\/span>)\r\nhandler.setLevel(logging.INFO)\r\nformatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s'<\/span>)\r\nhandler.setFormatter(formatter)\r\n\r\nconsole = logging.StreamHandler()\r\nconsole.setLevel(logging.INFO)\r\n\r\nlogger.addHandler(handler)\r\nlogger.addHandler(console)\r\n\r\nlogger.info(\"Start print log\"<\/span>)\r\nlogger.debug(\"Do something\"<\/span>)\r\nlogger.warning(\"Something maybe fail.\"<\/span>)\r\ntry<\/span>:\r\n open<\/span>(\"sklearn.txt\"<\/span>, \"rb\"<\/span>)\r\nexcept <\/span>(SystemExit<\/span>, KeyboardInterrupt<\/span>):\r\n raise\r\n<\/span>except <\/span>Exception<\/span>:\r\n logger.error(\"Faild to open sklearn.txt from logger.error\"<\/span>, exc_info<\/span>=True<\/span>)\r\nfinally<\/span>:\r\n logger.info(\"Whatever it will happen.\"<\/span>)\r\n\r\nlogger.info(\"Finish\"<\/span>)<\/pre>\n\u5728log.txt\u6587\u4ef6\u4e0e\u63a7\u5236\u53f0\u4e2d\u5747\u4e2d\u4f1a\u751f\u6210\u5982\u4e0b\u5185\u5bb9\uff1a<\/h4>\n2021-03-08 15:03:16,088 - __main__ - INFO - Start print log\r\n2021-03-08 15:03:16,088 - __main__ - WARNING - Something maybe fail.\r\n2021-03-08 15:03:16,089 - __main__ - ERROR - Faild to open sklearn.txt from logger.error\r\nTraceback (most recent call last):\r\n File \"\/Users\/mt-007\/Desktop\/PythonCode\/pythonProject\/test_logging.py\", line 20, in <module>\r\n open(\"sklearn.txt\", \"rb\")\r\nFileNotFoundError: [Errno 2] No such file or directory: 'sklearn.txt'\r\n2021-03-08 15:03:16,089 - __main__ - INFO - Whatever it will happen.\r\n2021-03-08 15:03:16,089 - __main__ - INFO - Finish<\/pre>\n\u5c01\u88c5<\/h3>\n
\u5b9e\u9645\u5f00\u53d1\u60c5\u51b5\u4e2d\uff0c\u6211\u4eec\u4f1a\u5c06logging\u5355\u72ec\u5199\u6210\u4e00\u4e2a\u6a21\u5757\u5c01\u88c5\u6210\u7c7b\uff0c\u7136\u540e\u5728\u5176\u4ed6\u7684\u529f\u80fd\u6a21\u5757\u6bd4\u5982\u901a\u8baf\u534f\u8bae\u6a21\u5757\uff0c\u6570\u636e\u5e93\u6a21\u5757\uff0c\u4e1a\u52a1\u5c42\uff0cAPI\u8c03\u7528\u6a21\u5757\u7b49\u7b49\uff0c\u4e2d\u8fdb\u884c\u8c03\u7528\uff0c\u518d\u914d\u5408try-catch\u8fdb\u884c\u9519\u8bef\u5206\u6790\u3002<\/p>\n
\u5728\u5b9e\u9645\u60c5\u51b5\u4e2d\uff0c\u5728\u524d\u6587\u63d0\u5230\u7684logging.getLogger(“”)\u4f20\u5165\u65e0\u540d\u79f0\u9002\u7528\u4e8e\u53ea\u9700\u8981\u5c0f\u8303\u56f4\u7cfb\u7edf\u4f7f\u7528\uff0c\u4e00\u65e6\u6d89\u53ca\u5230\u591a\u4e2a\u6a21\u5757\uff0c\u9700\u8981\u7cfb\u7edf\u5212\u5206\u7684\u60c5\u51b5\uff0c\u5efa\u8bae\u628aclass\u8bbe\u7f6e\u4e00\u4e2a\u4f20\u5165\u53c2\u6570\uff0c\u5e76\u4e14\u5c06\u8fd9\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9logging.getLogger(“”)\uff0c\u4ee5\u89c4\u8303\u65e5\u5fd7\u7684\u5212\u5206\u3002<\/p>\n
\u53ef\u4ee5\u53c2\u8003\u5982\u4e0b\u7684\u6a21\u5757\uff08\u8fd9\u4e2a\u6a21\u5757\u4e5f\u662f\u53c2\u8003\u7f51\u4e0a\u522b\u4eba\u53d1\u7684\u64ad\u5ba2\uff0c\u8fd9\u7c7b\u6709\u5f88\u591a\uff0c\u57fa\u672c\u601d\u8def\u6982\u5ff5\u90fd\u662f\u76f8\u540c\u7684\uff09<\/p>\n
import logging\r\nimport logging.handlers\r\nimport os\r\nimport time\r\n\r\n\r\nclass logs(object):\r\n def __init__(self):\r\n # \u83b7\u53d6\u6a21\u5757\u540d\u79f0\uff0c\u6d4b\u8bd5\u7684\u65f6\u5019\u76f4\u63a5\u63a7\u6a21\u5757\u5373\u53ef\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u4f7f\u7528\u7684\u60c5\u51b5\u4e0b\u9700\u8981\u9488\u5bf9\u4e0d\u540c\u9700\u8981\u8fdb\u884c\u65e5\u5fd7\u64b0\u5199\u7684\u6a21\u5757\u8fdb\u884c\u547d\u540d\r\n # \u5217\u5982\uff1a\u901a\u8baf\u534f\u8bae\u6a21\u5757\uff0c\u6d4b\u8bd5\u6a21\u5757\uff0c\u6570\u636e\u5e93\u6a21\u5757\uff0c\u4e1a\u52a1\u5c42\u6a21\u5757\uff0cAPI\u8c03\u7528\u6a21\u5757\r\n # \u53ef\u4ee5\u8003\u8651 __init__(self,model_name) \u8fd9\u6837\u4f20\u5165\uff0c\u7136\u540e\u518d\u7528\u4e00\u4e2alist\u89c4\u5b9a\u4e00\u4e0b\u6a21\u5757\u540d\u79f0\r\n self.logger = logging.getLogger(\"\")\r\n # \u8bbe\u7f6e\u8f93\u51fa\u7684\u7b49\u7ea7\r\n LEVELS = {'NOSET': logging.NOTSET,\r\n 'DEBUG': logging.DEBUG,\r\n 'INFO': logging.INFO,\r\n 'WARNING': logging.WARNING,\r\n 'ERROR': logging.ERROR,\r\n 'CRITICAL': logging.CRITICAL}\r\n # \u521b\u5efa\u6587\u4ef6\u76ee\u5f55\r\n logs_dir = \"logs\"\r\n if os.path.exists(logs_dir) and os.path.isdir(logs_dir):\r\n pass\r\n else:\r\n os.mkdir(logs_dir)\r\n # \u4fee\u6539log\u4fdd\u5b58\u4f4d\u7f6e\r\n timestamp = time.strftime(\"%Y-%m-%d\", time.localtime())\r\n logfilename = '%s.txt' % timestamp\r\n logfilepath = os.path.join(logs_dir, logfilename)\r\n rotatingFileHandler = logging.handlers.RotatingFileHandler(filename=logfilepath,\r\n maxBytes=1024 * 1024 * 50,\r\n backupCount=5)\r\n # \u8bbe\u7f6e\u8f93\u51fa\u683c\u5f0f\r\n formatter = logging.Formatter('[%(asctime)s] [%(levelname)s] %(message)s', '%Y-%m-%d %H:%M:%S')\r\n rotatingFileHandler.setFormatter(formatter)\r\n # \u63a7\u5236\u53f0\u53e5\u67c4\r\n console = logging.StreamHandler()\r\n console.setLevel(logging.NOTSET)\r\n console.setFormatter(formatter)\r\n # \u6dfb\u52a0\u5185\u5bb9\u5230\u65e5\u5fd7\u53e5\u67c4\u4e2d\r\n self.logger.addHandler(rotatingFileHandler)\r\n self.logger.addHandler(console)\r\n self.logger.setLevel(logging.NOTSET)\r\n\r\n def info(self, message):\r\n self.logger.info(message)\r\n\r\n def debug(self, message):\r\n self.logger.debug(message)\r\n\r\n def warning(self, message):\r\n self.logger.warning(message)\r\n\r\n def error(self, message):\r\n self.logger.error(message)<\/code><\/pre>\n\u5176\u4ed6\u6a21\u5757\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u8f93\u51fa\uff0c\u5728\u5b9e\u9645\u60c5\u51b5\u4e2d\u6700\u597d\u7ed3\u5408try-catch\u8fd4\u56de\u7684excepte\u7684\u503c\u5c06\u5176\u8f93\u51fa\u51fa\u6765\uff0c\u800c\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u53ef\u4ee5try-catch\u4e2d\u7684except\u9700\u8981\u53d1\u751f\u4e86\u9519\u8bef\u9700\u8981\u8fdb\u884clogger.error()\u8f93\u51fa\uff0c\u4e5f\u4e0d\u8981\u541d\u556c\u4ee3\u7801\u91cf\uff0c\u5728\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u63d0\u793a\u4fe1\u606f\u7684\u5730\u65b9logger.info()\uff0c\u6b64\u5916\u6709\u4e00\u4e9b\u64cd\u4f5c\u53ef\u80fd\u5f15\u53d1\u9519\u8bef\u4e5f\u53ef\u4ee5logger.warning()\uff0c\u603b\u4e4b\u4e0d\u8981\u541d\u556c\uff0c\u4e5f\u4e0d\u8981\u753b\u86c7\u6dfb\u8db3\u3002<\/span><\/p>\n\u6700\u540e\u662f\u5176\u4ed6\u6a21\u5757\u5982\u4f55\u8c03\u7528\u6b64\u6a21\u5757\u7684\u4ee3\u7801\uff0c\u5c01\u88c5\u597d\u7684logging\u6a21\u5757\u6211\u547d\u540d\u4e3aloguil2\uff0c\u6ce8\u610f\u8c03\u7528\u5b83\u7684\u540c\u65f6\u4e5f\u9700\u8981\u5f15\u5165logging\uff0c\u91cd\u590d\u5f15\u7528\u6ce8\u610f\u7559\u610f\u6253\u5305\u95ee\u9898\u3002<\/p>\n
import logging\r\n\r\nlogger = logging.getLogger(__name__)\r\nimport logutil2\r\n\r\nif __name__ == '__main__':\r\n logger = logutil2.logs()\r\n\r\n a = [1,2,3]\r\n logger.info(\"list a only have 1,2,3\")\r\n logger.warning(\"\u64cd\u4f5c\u4e0d\u5f53\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u53d1\u751f\")\r\n try:\r\n print(a[3])\r\n logger.debug(\"this is debug\")\r\n except Exception as e:\r\n logger.error(e)\r\n finally:\r\n logger.info(\"\u65e0\u8bba\u5982\u4f55\u9700\u8981\u6267\u884c\u6b64\")<\/code><\/pre>\n\u5728logs\/\u7684\u81ea\u52a8\u751f\u6210\u7684\u65e5\u671f\u6587\u4ef6\u4e2d\u4f1a\u4ea7\u751f\u5982\u4e0b\u8f93\u51fa\uff1a<\/p>\n
[2021-03-08 15:14:29] [INFO] list a only have 1,2,3\r\n[2021-03-08 15:14:29] [WARNING] \u64cd\u4f5c\u4e0d\u5f53\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u53d1\u751f\r\n[2021-03-08 15:14:29] [ERROR] list index out of range\r\n[2021-03-08 15:14:29] [INFO] \u65e0\u8bba\u5982\u4f55\u9700\u8981\u6267\u884c\u6b64<\/pre>\n\u53c2\u8003\u8bb8\u591a\u64ad\u5ba2\u6c47\u603b\u5199\u51fa\u6765\u7684<\/p>\n","protected":false},"excerpt":{"rendered":"
Python\u7684logging\u6a21\u5757\uff1a\u65e5\u5fd7\u5904\u7406<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[31],"class_list":["post-937","post","type-post","status-publish","format-standard","hentry","category-helloworld","tag-python"],"views":3854,"_links":{"self":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/comments?post=937"}],"version-history":[{"count":9,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/937\/revisions"}],"predecessor-version":[{"id":946,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/937\/revisions\/946"}],"wp:attachment":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/media?parent=937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/categories?post=937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/tags?post=937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}