{"id":204877,"date":"2025-05-29T09:45:14","date_gmt":"2025-05-29T01:45:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204877\/"},"modified":"2025-05-29T09:45:14","modified_gmt":"2025-05-29T01:45:14","slug":"python-logging%e6%a8%a1%e5%9d%97%e8%87%aa%e5%ae%9a%e4%b9%89filter%e6%97%a0%e6%b3%95%e8%be%93%e5%87%ba%e7%89%b9%e5%ae%9a%e7%ba%a7%e5%88%ab%e7%9a%84%e6%97%a5%e5%bf%97%e4%bf%a1%e6%81%af%ef%bc%8c%e5%8e%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204877\/","title":{"rendered":"Python logging\u6a21\u5757\u81ea\u5b9a\u4e49Filter\u65e0\u6cd5\u8f93\u51fa\u7279\u5b9a\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u539f\u56e0\u4f55\u5728\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python logging\u6a21\u5757\u81ea\u5b9a\u4e49Filter\u65e0\u6cd5\u8f93\u51fa\u7279\u5b9a\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u539f\u56e0\u4f55\u5728\uff1f<\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241118\/1731915954673af0b2f2c5f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python logging\u6a21\u5757\u81ea\u5b9a\u4e49filter\u65e0\u6cd5\u8f93\u51fa\u7ed9\u5b9a\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\u7684\u539f\u56e0<\/strong><\/p>\n<p>\u5728python\u4e2d\u4f7f\u7528logging\u6a21\u5757\u65f6\uff0c\u81ea\u5b9a\u4e49filter\u65e0\u6cd5\u8f93\u51fa\u7279\u5b9a\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u4f60\u4f7f\u7528handler\u4e0d\u5f53\u9020\u6210\u7684\u3002<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u6b63\u786e\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre>import logging\n\nclass CustomFilter(logging.Filter):\n    def filter(self, record):\n        message = record.getMessage()\n        return \"custom\" in message\n\nlogger = logging.getLogger(__file__)\nhandler = logging.StreamHandler()  # \u5173\u952e\u6b65\u9aa4\uff1a\u6dfb\u52a0handler\nlogger.addHandler(handler)\nlogger.setLevel(logging.DEBUG)\ncustomFilter = CustomFilter()\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<p>\u8fd0\u884c\u6b64\u4ee3\u7801\u540e\uff0c\u4f60\u4f1a\u5728\u63a7\u5236\u53f0\u4e2d\u770b\u5230\u6240\u6709\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u5305\u62ecdebug\u548cinfo\u7ea7\u522b\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u539f\u56e0\uff1a<\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0clogger\u6ca1\u6709\u8f93\u51fa\u76ee\u7684\u5730\u3002\u901a\u8fc7\u6dfb\u52a0handler\uff0c\u4f60\u53ef\u4ee5\u5c06\u65e5\u5fd7\u4fe1\u606f\u5b9a\u5411\u5230\u63a7\u5236\u53f0\u6216\u5176\u4ed6\u76ee\u7684\u5730\u3002\u5982\u679c\u4e0d\u6dfb\u52a0handler\uff0c\u5373\u4f7f\u6dfb\u52a0\u4e86filter\uff0c\u65e5\u5fd7\u4fe1\u606f\u4e5f\u4e0d\u4f1a\u8f93\u51fa\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python logging\u6a21\u5757&#46;&#46;&#46;<\/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-204877","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204877","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=204877"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204877\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}