{"id":3665,"date":"2025-06-01T15:55:51","date_gmt":"2025-06-04T08:05:51","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3665"},"modified":"2025-06-04T15:55:51","modified_gmt":"2025-06-04T08:05:51","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8dpython%e4%b8%ad%e7%9a%84userwarning","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8dpython%e4%b8%ad%e7%9a%84userwarning\/","title":{"rendered":"2025 \u5e74 Python \u7a0b\u5f0f\u6559\u5b78\uff1a\u5982\u4f55\u907f\u514d UserWarning \u548c\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, UserWarning, Python \u6559\u5b78, \u7a0b\u5f0f\u78bc\u8b66\u544a, Python \u6700\u4f73\u5be6\u8e10\"><\/p>\n<p>Python 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\u4e2d\u7684\u4e00\u7a2e\u8b66\u544a\uff0c\u8868\u793a\u7a0b\u5f0f\u78bc\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u6b63\u78ba\u7684\u7d50\u679c\u3002\u5b83\u80fd\u5920\u63d0\u9192\u958b\u767c\u8005\u67d0\u4e9b\u6f5b\u5728\u7684\u554f\u984c\uff0c\u8b93\u4ed6\u5011\u53ef\u4ee5\u53ca\u6642\u4fee\u6b63\uff0c\u907f\u514d\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<h2>UserWarning \u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u53ef\u4ee5\u8b93\u4f60\u66f4\u597d\u5730\u7406\u89e3 UserWarning \u7684\u4f7f\u7528\uff1a<\/p>\n<pre class=\"brush: python\">\nimport warnings\n\n# \u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\ndef my_function(x):\n    # \u5982\u679c x \u4e0d\u662f\u6574\u6578\uff0c\u5247\u767c\u51fa UserWarning\n    if not isinstance(x, int):\n        warnings.warn(\"x \u4e0d\u662f\u6574\u6578\uff01\", UserWarning)\n\n# \u6e2c\u8a66\u51fd\u6578\nmy_function(\"abc\")  # \u9019\u6703\u89f8\u767c UserWarning\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7bc4\u4f8b\u4e2d\uff0c\u5982\u679c `x` \u4e0d\u662f\u6574\u6578\uff0c\u7a0b\u5f0f\u5c07\u6703\u767c\u51fa UserWarning\uff0c\u8b93\u958b\u767c\u8005\u77e5\u9053\u7a0b\u5f0f\u78bc\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u6b63\u78ba\u7684\u7d50\u679c\u3002<\/p>\n<h2>\u5982\u4f55\u8655\u7406 UserWarning\uff1f<\/h2>\n<p>\u7576\u4f60\u6536\u5230 UserWarning \u6642\uff0c\u4f60\u61c9\u8a72\u7acb\u5373\u6aa2\u67e5\u4f60\u7684\u7a0b\u5f0f\u78bc\uff0c\u78ba\u4fdd\u5b83\u4e0d\u6703\u5c0e\u81f4\u4e0d\u6b63\u78ba\u7684\u7d50\u679c\u3002\u4ee5\u4e0b\u63d0\u4f9b\u5e7e\u500b\u8655\u7406 UserWarning \u7684\u65b9\u6cd5\uff1a<\/p>\n<p>1. **\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u908f\u8f2f**\uff1a\u78ba\u8a8d\u50b3\u5165\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\u662f\u5426\u7b26\u5408\u9810\u671f\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8b66\u544a\u3002<br \/>\n2. **\u4f7f\u7528 warnings \u6a21\u7d44**\uff1a\u5229\u7528 Python \u7684 [warnings \u6a21\u7d44](https:\/\/docs.python.org\/3\/library\/warnings.html) \u4f86\u986f\u793a\u6216\u904e\u6ffe\u8b66\u544a\u3002\u4f60\u53ef\u4ee5\u9078\u64c7\u5ffd\u7565\u67d0\u4e9b\u8b66\u544a\u6216\u81ea\u5b9a\u7fa9\u8b66\u544a\u8a0a\u606f\u3002<br \/>\n3. **\u4f7f\u7528 logging \u6a21\u7d44**\uff1a\u5c07 UserWarning \u8a18\u9304\u4e0b\u4f86\uff0c\u4ee5\u4fbf\u65e5\u5f8c\u6aa2\u67e5\u3002\u4f7f\u7528 [logging \u6a21\u7d44](https:\/\/docs.python.org\/3\/library\/logging.html) \u53ef\u4ee5\u65b9\u4fbf\u5730\u8a18\u9304\u8b66\u544a\u8a0a\u606f\uff0c\u5f9e\u800c\u5e6b\u52a9\u4f60\u5206\u6790\u554f\u984c\u3002<\/p>\n<h2>\u6700\u4f73\u5be6\u8e10\uff1a\u907f\u514d UserWarning<\/h2>\n<p>\u70ba\u4e86\u907f\u514d UserWarning\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u5efa\u8b70\uff1a<\/p>\n<p>&#8211; **\u578b\u5225\u6aa2\u67e5**\uff1a\u5728\u51fd\u6578\u4e2d\u5c0d\u50b3\u5165\u7684\u53c3\u6578\u9032\u884c\u578b\u5225\u6aa2\u67e5\uff0c\u78ba\u4fdd\u5b83\u5011\u7b26\u5408\u9810\u671f\u7684\u985e\u578b\u3002<br \/>\n&#8211; **\u4f7f\u7528\u8a3b\u89e3**\uff1a\u5728\u51fd\u6578\u5b9a\u7fa9\u4e2d\u6dfb\u52a0\u578b\u5225\u8a3b\u89e3\uff0c\u5e6b\u52a9\u5176\u4ed6\u958b\u767c\u8005\u7406\u89e3\u53c3\u6578\u7684\u9810\u671f\u985e\u578b\u3002<br \/>\n&#8211; **\u64b0\u5beb\u55ae\u5143\u6e2c\u8a66**\uff1a\u900f\u904e\u55ae\u5143\u6e2c\u8a66\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u884c\u70ba\uff0c\u78ba\u4fdd\u5176\u7a69\u5b9a\u6027\u53ca\u6b63\u78ba\u6027\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>UserWarning \u662f Python \u4e2d\u4e00\u7a2e\u91cd\u8981\u7684\u8b66\u544a\uff0c\u63d0\u9192\u958b\u767c\u8005\u6f5b\u5728\u7684\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u6b63\u78ba\u7684\u7d50\u679c\u3002\u900f\u904e\u4e0a\u8ff0\u7684\u8655\u7406\u65b9\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u9019\u4e9b\u8b66\u544a\uff0c\u78ba\u4fdd\u4f60\u7684\u7a0b\u5f0f\u78bc\u904b\u884c\u6b63\u5e38\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7684\u958b\u767c\u6280\u5de7\uff0c\u6b61\u8fce\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/123456) \u4ee5\u63d0\u5347\u4f60\u7684\u7a0b\u5f0f\u8a2d\u8a08\u80fd\u529b\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1\uff1aUserWarning \u6703\u5f71\u97ff\u7a0b\u5f0f\u7684\u904b\u884c\u55ce\uff1f**<br \/>\nA1\uff1aUserWarning \u672c\u8eab\u4e0d\u6703\u5f71\u97ff\u7a0b\u5f0f\u7684\u904b\u884c\uff0c\u4f46\u5b83\u63d0\u9192\u958b\u767c\u8005\u6ce8\u610f\u6f5b\u5728\u7684\u554f\u984c\uff0c\u61c9\u8a72\u53ca\u6642\u8655\u7406\u3002<\/p>\n<p>**Q2\uff1a\u5982\u4f55\u6709\u6548\u904e\u6ffe\u4e0d\u9700\u8981\u7684 UserWarning\uff1f**<br \/>\nA2\uff1a\u53ef\u4ee5\u4f7f\u7528 `warnings.filterwarnings` \u51fd\u6578\u4f86\u904e\u6ffe\u7279\u5b9a\u985e\u578b\u7684\u8b66\u544a\uff0c\u6216\u5b8c\u5168\u5ffd\u7565\u67d0\u4e9b\u8b66\u544a\u3002<\/p>\n<p>**Q3\uff1a\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u9700\u8981\u4f7f\u7528 UserWarning\uff1f**<br \/>\nA3\uff1a\u7576\u4f60\u5e0c\u671b\u63d0\u9192\u4f7f\u7528\u8005\u67d0\u4e9b\u975e\u81f4\u547d\u7684\u554f\u984c\u6642\uff0c\u4f8b\u5982\u51fd\u6578\u4f7f\u7528\u4e0d\u7576\u6216\u53c3\u6578\u985e\u578b\u4e0d\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528 UserWarning \u4f86\u63d0\u4f9b\u8b66\u544a\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u907f\u514dPython\u4e2d\u7684UserWarning\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u6280\u5de7\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u7a0b\u5e8f\u6b63\u5e38\u904b\u884c\uff0c\u4e26\u907f\u514d\u51fa\u73fe\u56b4\u91cd\u7684\u932f\u8aa4\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-X7","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3665"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3665\/revisions"}],"predecessor-version":[{"id":3666,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3665\/revisions\/3666"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}