{"id":204764,"date":"2025-05-29T09:04:40","date_gmt":"2025-05-29T01:04:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204764\/"},"modified":"2025-05-29T09:04:40","modified_gmt":"2025-05-29T01:04:40","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e8%87%aa%e5%ae%9a%e4%b9%89-logging-%e8%bf%87%e6%bb%a4%e5%99%a8%e6%97%a0%e6%b3%95%e6%89%93%e5%8d%b0%e6%8c%87%e5%ae%9a%e7%ad%89%e7%ba%a7%e6%97%a5%e5%bf%97%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204764\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u81ea\u5b9a\u4e49 logging \u8fc7\u6ee4\u5668\u65e0\u6cd5\u6253\u5370\u6307\u5b9a\u7b49\u7ea7\u65e5\u5fd7\u4fe1\u606f\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u4e3a\u4ec0\u4e48\u81ea\u5b9a\u4e49 logging \u8fc7\u6ee4\u5668\u65e0\u6cd5\u6253\u5370\u6307\u5b9a\u7b49\u7ea7\u65e5\u5fd7\u4fe1\u606f\uff1f<\/h1>\n

\u600e\u4e48\u5165\u95e8\u6587\u7ae0\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300a\u4e3a\u4ec0\u4e48\u81ea\u5b9a\u4e49 logging \u8fc7\u6ee4\u5668\u65e0\u6cd5\u6253\u5370\u6307\u5b9a\u7b49\u7ea7\u65e5\u5fd7\u4fe1\u606f\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

<\/p>\n

\u7ed9\u5b9a\u4ee5\u4e0b python \u4ee3\u7801\uff1a<\/p>\n

class customfilter(logging.filter):\n    def filter(self, record):\n        message = record.getmessage()\n        return 'custom' in message\n\ncustomfilter = customfilter()\n\nlogger: logger = logging.getlogger()\nlogger.setlevel(logging.debug)\nlogger.addfilter(customfilter)\n\nlogger.debug('this is a debug message with custom keyword')\nlogger.info('this is an info message with custom keyword')\nlogger.warning('this is a warning message with custom keyword')\nlogger.error('this is an error message with custom keyword')\nlogger.critical('this is a critical message with custom keyword')<\/pre>\n
\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86\u81ea\u5b9a\u4e49\u65e5\u5fd7\u8fc7\u6ee4\u5668 customfilter\uff0c\u610f\u56fe\u53ea\u6253\u5370\u5305\u542b ‘custom’ \u5b57\u7b26\u4e32\u7684\u65e5\u5fd7\u4fe1\u606f\u3002\u7136\u800c\uff0c\u8fd0\u884c\u4ee3\u7801\u540e\uff0c\u6211\u4eec\u53d1\u73b0\u63a7\u5236\u53f0\u53ea\u6253\u5370\u4e86\u8b66\u544a\u3001\u9519\u8bef\u548c\u4e25\u91cd\u9519\u8bef\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u800c\u8c03\u8bd5\u548c\u4fe1\u606f\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\u5374\u4e0d\u89c1\u8e2a\u5f71\u3002<\/p>\n
\u95ee\u9898\u4e0d\u5728\u4e8e\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u672c\u8eab\uff0c\u800c\u5728\u4e8e\u4ee3\u7801\u7684\u4f7f\u7528\u65b9\u5f0f\u3002\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6ca1\u6709\u4e3a\u65e5\u5fd7\u5668\u6dfb\u52a0\u5904\u7406\u7a0b\u5e8f\uff08handler\uff09\uff0c\u56e0\u6b64\u65e5\u5fd7\u4fe1\u606f\u6ca1\u6709\u5730\u65b9\u8f93\u51fa\u3002<\/p>\n
\u6b63\u786e\u7684\u505a\u6cd5\u662f\u5148\u521b\u5efa\u4e00\u4e2a handler\uff0c\u518d\u5c06\u5176\u6dfb\u52a0\u5230\u65e5\u5fd7\u5668\u4e2d\u3002\u5e38\u7528\u7684 handler \u6709 streamhandler\uff0c\u5b83\u5c06\u65e5\u5fd7\u4fe1\u606f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n
import logging\n\n# \u521b\u5efa\u4e00\u4e2a\u6d41\u5904\u7406\u7a0b\u5e8f\uff0c\u5c06\u65e5\u5fd7\u4fe1\u606f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\nhandler = logging.StreamHandler()\n\n# \u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u65e5\u5fd7\u8fc7\u6ee4\u5668\nclass CustomFilter(logging.Filter):\n    def filter(self, record):\n        message = record.getMessage()\n        return 'custom' in message\n\n# \u521b\u5efa\u4e00\u4e2a\u65e5\u5fd7\u5668\uff0c\u5e76\u4e3a\u5176\u8bbe\u7f6e\u7ea7\u522b\u3001\u6dfb\u52a0\u8fc7\u6ee4\u5668\u548c\u5904\u7406\u7a0b\u5e8f\nlogger = logging.getLogger(__file__)\nlogger.setLevel(logging.DEBUG)\nlogger.addFilter(CustomFilter())\nlogger.addHandler(handler)\n\n# \u8bb0\u5f55\u4e0d\u540c\u7b49\u7ea7\u7684\u65e5\u5fd7\u4fe1\u606f\nlogger.debug('This is a debug message with custom keyword')\nlogger.info('This is an info message with custom keyword')\nlogger.warning('This is a warning message with custom keyword')\nlogger.error('This is an error message with custom keyword')\nlogger.critical('This is a critical message with custom keyword')<\/pre>\n
\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5c06\u6b63\u786e\u5730\u6253\u5370\u5305\u542b ‘custom’ \u5b57\u7b26\u4e32\u7684\u8c03\u8bd5\u548c\u4fe1\u606f\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u4e3a\u4ec0\u4e48\u81ea\u5b9a\u4e49 logging \u8fc7\u6ee4\u5668\u65e0\u6cd5\u6253\u5370\u6307\u5b9a\u7b49\u7ea7\u65e5\u5fd7\u4fe1\u606f\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e3a\u4ec0\u4e48\u81ea\u5b9a\u4e49 logging \u8fc7...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204764","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204764"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204764\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}