{"id":3635,"date":"2025-05-30T15:09:45","date_gmt":"2025-06-04T07:43:45","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3635"},"modified":"2025-06-04T15:09:45","modified_gmt":"2025-06-04T07:43:45","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84runtimewarning%e8%ad%a6%e5%91%8a","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84runtimewarning%e8%ad%a6%e5%91%8a\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 RuntimeWarning \u8b66\u544a\uff1a\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u8207\u6700\u4f73\u5be6\u8e10 (2025 \u66f4\u65b0)"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, RuntimeWarning, Python \u7a0b\u5f0f\u6559\u5b78\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 RuntimeWarning \u8b66\u544a<\/h1>\n<p>Python \u7684 RuntimeWarning \u662f\u4e00\u7a2e\u57f7\u884c\u6642\u8b66\u544a\uff0c\u65e8\u5728\u63d0\u9192\u958b\u767c\u8005\u7a0b\u5f0f\u78bc\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u6f5b\u5728\u554f\u984c\u3002\u96d6\u7136\u5b83\u4e0d\u6703\u4e2d\u65b7\u7a0b\u5f0f\u7684\u57f7\u884c\uff0c\u4f46\u53ef\u80fd\u5c0e\u81f4\u4e0d\u53ef\u9810\u671f\u7684\u884c\u70ba\uff0c\u4e86\u89e3\u5176\u539f\u56e0\u8207\u89e3\u6c7a\u65b9\u6848\u5c0d\u65bc\u7de8\u5beb\u7a69\u5065\u7684 Python \u7a0b\u5f0f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f RuntimeWarning\uff1f<\/h2>\n<p>RuntimeWarning \u662f Python \u5728\u57f7\u884c\u671f\u9593\u767c\u51fa\u7684\u8b66\u544a\uff0c\u901a\u5e38\u662f\u7531\u65bc\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u6216\u6f5b\u5728\u7684\u908f\u8f2f\u932f\u8aa4\u5f15\u8d77\u7684\u3002\u9019\u4e9b\u8b66\u544a\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u65e9\u767c\u73fe\u554f\u984c\uff0c\u5f9e\u800c\u907f\u514d\u672a\u4f86\u7684\u932f\u8aa4\u3002<\/p>\n<h2>RuntimeWarning \u7684\u767c\u751f\u539f\u56e0<\/h2>\n<p>RuntimeWarning \u53ef\u80fd\u7531\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u539f\u56e0\u662f\u7a0b\u5f0f\u78bc\u4e2d\u51fa\u73fe\u4e86\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<p>&#8220;`python<br \/>\n# \u4e0d\u5b89\u5168\u7684\u64cd\u4f5c<br \/>\na = [1, 2, 3]\nb = a<br \/>\na[0] = 0<br \/>\nprint(b[0])  # \u9019\u6703\u8f38\u51fa 0\uff0c\u56e0\u70ba a \u548c b \u6307\u5411\u540c\u4e00\u500b\u8a18\u61b6\u9ad4\u4f4d\u7f6e<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u7576\u60a8\u4fee\u6539\u4e86 `a[0]` \u7684\u503c\uff0c`b[0]` \u7684\u503c\u4e5f\u96a8\u4e4b\u6539\u8b8a\uff0c\u56e0\u70ba `a` \u548c `b` \u6307\u5411\u76f8\u540c\u7684\u5217\u8868\u7269\u4ef6\u3002\u9019\u7a2e\u884c\u70ba\u53ef\u80fd\u5c0e\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u7d50\u679c\uff0c\u56e0\u6b64 Python \u6703\u767c\u51fa RuntimeWarning\u3002<\/p>\n<h2>\u5982\u4f55\u89e3\u6c7a RuntimeWarning<\/h2>\n<p>\u89e3\u6c7a RuntimeWarning \u7684\u6700\u4f73\u65b9\u6cd5\u662f\u907f\u514d\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5b89\u5168\u7684\u66ff\u4ee3\u65b9\u6848\uff1a<\/p>\n<p>&#8220;`python<br \/>\n# \u5b89\u5168\u7684\u64cd\u4f5c<br \/>\na = [1, 2, 3]\nb = a.copy()  # \u4f7f\u7528 copy() \u65b9\u6cd5\u5275\u5efa a \u7684\u526f\u672c<br \/>\na[0] = 0<br \/>\nprint(b[0])  # \u9019\u6703\u8f38\u51fa 1\uff0c\u56e0\u70ba b \u73fe\u5728\u662f a \u7684\u7368\u7acb\u526f\u672c<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u4f7f\u7528 `a.copy()` \u65b9\u6cd5\u751f\u6210\u4e00\u500b `a` \u7684\u526f\u672c\uff0c\u9019\u6a23\u5373\u4f7f `a` \u7684\u503c\u6539\u8b8a\uff0c`b` \u7684\u503c\u4e5f\u4e0d\u6703\u53d7\u5230\u5f71\u97ff\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d RuntimeWarning \u7684\u51fa\u73fe\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528\uff1a\u5982\u4f55\u6355\u6349\u548c\u8655\u7406 RuntimeWarning<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u5e0c\u671b\u6355\u6349 RuntimeWarning \u4ee5\u9032\u884c\u7279\u6b8a\u8655\u7406\u3002\u53ef\u4ee5\u4f7f\u7528 `warnings` \u6a21\u7d44\u4f86\u5be6\u73fe\uff1a<\/p>\n<p>&#8220;`python<br \/>\nimport warnings<\/p>\n<p># \u81ea\u5b9a\u7fa9\u8b66\u544a\u8655\u7406<br \/>\ndef my_function():<br \/>\n    warnings.warn(&#8220;\u9019\u662f\u4e00\u500b RuntimeWarning \u7684\u793a\u4f8b&#8221;, RuntimeWarning)<\/p>\n<p># \u6355\u6349\u8b66\u544a<br \/>\nwith warnings.catch_warnings(record=True) as w:<br \/>\n    warnings.simplefilter(&#8220;always&#8221;)  # \u78ba\u4fdd\u6355\u6349\u6240\u6709\u8b66\u544a<br \/>\n    my_function()<br \/>\n    if w:<br \/>\n        print(f&#8221;\u6355\u6349\u5230\u8b66\u544a\uff1a{w[0].message}&#8221;)<br \/>\n&#8220;`<\/p>\n<p>\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 `warnings` \u6a21\u7d44\u4f86\u6355\u6349 RuntimeWarning\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8655\u7406\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>RuntimeWarning \u662f Python \u4e2d\u4e00\u500b\u91cd\u8981\u7684\u8b66\u544a\u6a5f\u5236\uff0c\u5b83\u5e6b\u52a9\u958b\u767c\u8005\u8b58\u5225\u6f5b\u5728\u7684\u554f\u984c\u8207\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u3002\u900f\u904e\u7406\u89e3\u548c\u89e3\u6c7a RuntimeWarning\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u5347\u7a0b\u5f0f\u7684\u7a69\u5b9a\u6027\u8207\u53ef\u9810\u671f\u6027\u3002\u4f7f\u7528 `copy()` \u65b9\u6cd5\u662f\u907f\u514d\u9019\u985e\u554f\u984c\u7684\u6709\u6548\u7b56\u7565\uff0c\u4e26\u4e14\u5728\u9700\u8981\u6642\u53ef\u4ee5\u4f7f\u7528 `warnings` \u6a21\u7d44\u9032\u884c\u8b66\u544a\u8655\u7406\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7a0b\u5f0f\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u5efa\u8b70\u67e5\u770b [Vocus \u7684 Python \u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc)\u3002\u9019\u88e1\u6709\u66f4\u591a\u5be6\u7528\u7684\u8cc7\u6e90\uff0c\u5e6b\u52a9\u60a8\u6210\u70ba\u66f4\u597d\u7684\u958b\u767c\u8005\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: RuntimeWarning \u548c\u5176\u4ed6\u985e\u578b\u7684\u8b66\u544a\u6709\u4ec0\u9ebc\u5340\u5225\uff1f**<br \/>\nA: RuntimeWarning \u662f\u4e00\u7a2e\u7279\u5b9a\u65bc\u57f7\u884c\u6642\u7684\u8b66\u544a\uff0c\u901a\u5e38\u8207\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u6709\u95dc\uff0c\u800c\u5176\u4ed6\u8b66\u544a\uff08\u5982 DeprecationWarning\uff09\u5247\u53ef\u80fd\u8207\u904e\u6642\u7684\u529f\u80fd\u6709\u95dc\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u6c38\u4e45\u7981\u7528\u67d0\u4e9b RuntimeWarning\uff1f**<br \/>\nA: \u60a8\u53ef\u4ee5\u4f7f\u7528 `warnings.filterwarnings()` \u51fd\u6578\u4f86\u8a2d\u7f6e\u904e\u6ffe\u5668\uff0c\u7981\u7528\u7279\u5b9a\u7684\u8b66\u544a\u3002<\/p>\n<p>**Q3: RuntimeWarning \u6703\u5f71\u97ff\u6211\u7684\u7a0b\u5f0f\u6027\u80fd\u55ce\uff1f**<br \/>\nA: \u96d6\u7136 RuntimeWarning \u672c\u8eab\u4e0d\u6703\u5c0e\u81f4\u7a0b\u5f0f\u505c\u6b62\uff0c\u4f46\u5982\u679c\u4e0d\u52a0\u4ee5\u89e3\u6c7a\uff0c\u6f5b\u5728\u7684\u554f\u984c\u53ef\u80fd\u6703\u5f71\u97ff\u7a0b\u5f0f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RuntimeWarning\u662fPython\u4e2d\u7684\u4e00\u7a2e\u8b66\u544a\uff0c\u5b83\u53ef\u4ee5\u63d0\u9192\u958b\u767c\u8005\u5728\u7a0b\u5e8f\u57f7\u884c\u6642\u53ef\u80fd\u51fa\u73fe\u7684\u554f\u984c\uff0c\u4ee5\u53ca\u5982\u4f55\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u672c\u6587\u5c07\u4ecb\u7d39RuntimeWarning\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u6539\u5584\u7a0b\u5e8f\u7684\u57f7\u884c\u6548\u7387\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-3635","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-WD","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3635","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=3635"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3635\/revisions"}],"predecessor-version":[{"id":3636,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3635\/revisions\/3636"}],"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=3635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}