{"id":3566,"date":"2025-06-03T15:45:23","date_gmt":"2025-06-04T07:49:22","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3566"},"modified":"2025-06-04T15:45:23","modified_gmt":"2025-06-04T07:49:22","slug":"%e8%a7%a3%e6%b1%bapython%e4%b8%adchildprocesserror%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e8%a7%a3%e6%b1%bapython%e4%b8%adchildprocesserror%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 ChildProcessError \u53ca\u5176\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, ChildProcessError, subprocess, logging, \u932f\u8aa4\u8655\u7406\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 ChildProcessError \u53ca\u5176\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728 Python \u4e2d\uff0c`ChildProcessError` \u662f\u4e00\u7a2e\u5e38\u898b\u7684\u7570\u5e38\uff0c\u901a\u5e38\u5728\u5b50\u9032\u7a0b\u57f7\u884c\u6642\u767c\u751f\u3002\u5b50\u9032\u7a0b\u6307\u7684\u662f\u5728\u4e3b\u9032\u7a0b\u80cc\u666f\u4e2d\u57f7\u884c\u7684\u53e6\u4e00\u500b\u7a0b\u5e8f\uff0c\u9019\u985e\u7a0b\u5e8f\u80fd\u5920\u7368\u7acb\u904b\u884c\u4e26\u8207\u4e3b\u9032\u7a0b\u9032\u884c\u901a\u4fe1\u3002\u7136\u800c\uff0c\u7576\u5b50\u9032\u7a0b\u57f7\u884c\u51fa\u73fe\u554f\u984c\u6642\uff0c`ChildProcessError` \u4fbf\u6703\u88ab\u5f15\u767c\u3002\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u8655\u7406\u9019\u7a2e\u932f\u8aa4\u5c0d\u65bc\u958b\u767c\u7a69\u5b9a\u7684 Python \u61c9\u7528\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>## \u4ec0\u9ebc\u662f ChildProcessError\uff1f<\/p>\n<p>`ChildProcessError` \u662f\u5728\u5b50\u9032\u7a0b\u57f7\u884c\u6642\u767c\u751f\u7684\u932f\u8aa4\uff0c\u9019\u901a\u5e38\u662f\u7531\u65bc\u5b50\u9032\u7a0b\u7684\u57f7\u884c\u74b0\u5883\u51fa\u73fe\u554f\u984c\uff0c\u4f8b\u5982\u547d\u4ee4\u932f\u8aa4\u6216\u8cc7\u6e90\u4e0d\u8db3\u3002\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u5c0e\u81f4\u7a0b\u5e8f\u5d29\u6f70\uff0c\u56e0\u6b64\u5b78\u6703\u5982\u4f55\u6709\u6548\u5730\u6392\u67e5\u548c\u8655\u7406\u9019\u985e\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>## \u5982\u4f55\u89e3\u6c7a ChildProcessError<\/p>\n<p>\u89e3\u6c7a `ChildProcessError` \u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4ed4\u7d30\u6aa2\u67e5\u5b50\u9032\u7a0b\u7684\u5831\u932f\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u80fd\u5920\u63d0\u4f9b\u6709\u95dc\u57f7\u884c\u554f\u984c\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5e6b\u52a9\u6211\u5011\u5feb\u901f\u5b9a\u4f4d\u548c\u4fee\u5fa9\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u7528\u7684\u89e3\u6c7a\u6b65\u9a5f\uff1a<\/p>\n<p>1. **\u6aa2\u67e5\u8fd4\u56de\u78bc**\uff1a\u5b50\u9032\u7a0b\u7684\u8fd4\u56de\u78bc\u53ef\u4ee5\u5e6b\u52a9\u5224\u65b7\u57f7\u884c\u662f\u5426\u6210\u529f\u3002\u8fd4\u56de\u78bc\u70ba 0 \u8868\u793a\u6210\u529f\uff0c\u5176\u4ed6\u503c\u5247\u8868\u793a\u51fa\u73fe\u4e86\u932f\u8aa4\u3002<br \/>\n2. **\u4f7f\u7528 logging \u6a21\u584a**\uff1a\u5229\u7528 Python \u7684 `logging` \u6a21\u584a\u53ef\u4ee5\u8a18\u9304\u5b50\u9032\u7a0b\u7684\u57f7\u884c\u60c5\u6cc1\uff0c\u4fbf\u65bc\u5f8c\u7e8c\u7684\u932f\u8aa4\u6392\u67e5\u3002<br \/>\n3. **\u4f7f\u7528 subprocess \u6a21\u584a**\uff1a\u901a\u904e `subprocess` \u6a21\u584a\u53ef\u4ee5\u66f4\u7d30\u7dfb\u5730\u63a7\u5236\u5b50\u9032\u7a0b\u7684\u57f7\u884c\uff0c\u4e26\u6355\u7372\u5176\u8f38\u51fa\u548c\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<p>## \u5be6\u4f5c\u7bc4\u4f8b<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u6bb5\u4f7f\u7528 `subprocess` \u6a21\u584a\u7684\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u8655\u7406\u5b50\u9032\u7a0b\u4e26\u6355\u7372\u53ef\u80fd\u51fa\u73fe\u7684 `ChildProcessError`\uff1a<\/p>\n<p>&#8220;`python<br \/>\nimport subprocess<br \/>\nimport logging<\/p>\n<p># \u8a2d\u5b9a logging<br \/>\nlogging.basicConfig(level=logging.DEBUG)<\/p>\n<p>try:<br \/>\n    # \u5275\u5efa\u5b50\u9032\u7a0b<br \/>\n    process = subprocess.Popen([&#8216;ls&#8217;, &#8216;-l&#8217;], stdout=subprocess.PIPE, stderr=subprocess.PIPE)<\/p>\n<p>    # \u7b49\u5f85\u5b50\u9032\u7a0b\u5b8c\u6210\u4e26\u7372\u53d6\u8f38\u51fa<br \/>\n    stdout, stderr = process.communicate()<\/p>\n<p>    # \u6aa2\u67e5\u5b50\u9032\u7a0b\u7684\u5831\u932f\u4fe1\u606f<br \/>\n    if process.returncode != 0:<br \/>\n        logging.error(f&#8221;\u5b50\u9032\u7a0b\u57f7\u884c\u5931\u6557\uff0c\u932f\u8aa4\u4fe1\u606f: {stderr.decode()}&#8221;)<br \/>\n    else:<br \/>\n        logging.info(f&#8221;\u5b50\u9032\u7a0b\u57f7\u884c\u6210\u529f\uff0c\u8f38\u51fa: {stdout.decode()}&#8221;)<\/p>\n<p>except subprocess.CalledProcessError as e:<br \/>\n    logging.error(f&#8221;\u57f7\u884c\u5b50\u9032\u7a0b\u6642\u767c\u751f\u932f\u8aa4: {e}&#8221;)<br \/>\nexcept Exception as e:<br \/>\n    logging.error(f&#8221;\u5176\u4ed6\u932f\u8aa4: {e}&#8221;)<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `subprocess.Popen` \u5275\u5efa\u4e00\u500b\u5b50\u9032\u7a0b\uff0c\u4e26\u900f\u904e `communicate` \u65b9\u6cd5\u7372\u53d6\u8f38\u51fa\u548c\u932f\u8aa4\u4fe1\u606f\u3002\u82e5\u5b50\u9032\u7a0b\u57f7\u884c\u5931\u6557\uff0c\u6211\u5011\u5c07\u932f\u8aa4\u4fe1\u606f\u8a18\u9304\u4e0b\u4f86\uff0c\u65b9\u4fbf\u5f8c\u7e8c\u7684\u6392\u67e5\u3002<\/p>\n<p>## \u7e3d\u7d50<\/p>\n<p>`ChildProcessError` \u662f Python \u4e2d\u4e00\u500b\u91cd\u8981\u7684\u7570\u5e38\uff0c\u4e86\u89e3\u5176\u6210\u56e0\u548c\u89e3\u6c7a\u65b9\u6cd5\u5c0d\u65bc\u958b\u767c\u7a69\u5b9a\u7684\u61c9\u7528\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6aa2\u67e5\u5b50\u9032\u7a0b\u7684\u8fd4\u56de\u78bc\u3001\u4f7f\u7528 logging \u6a21\u584a\u8a18\u9304\u904e\u7a0b\u3001\u4ee5\u53ca\u5229\u7528 `subprocess` \u6a21\u584a\u9032\u884c\u63a7\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8655\u7406\u548c\u6392\u9664\u9019\u985e\u932f\u8aa4\u3002\u82e5\u60f3\u6df1\u5165\u4e86\u89e3\u66f4\u591a Python \u932f\u8aa4\u8655\u7406\u7684\u6280\u5de7\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/6056c9ef8b5b130068b1a6b0)\u3002<\/p>\n<p>## Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1: \u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6703\u89f8\u767c ChildProcessError\uff1f**<br \/>\nA1: \u7576\u5b50\u9032\u7a0b\u57f7\u884c\u6642\u767c\u751f\u932f\u8aa4\uff0c\u4f8b\u5982\u547d\u4ee4\u932f\u8aa4\u6216\u8cc7\u6e90\u4e0d\u8db3\u6642\uff0c\u6703\u89f8\u767c `ChildProcessError`\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u6709\u6548\u6355\u7372\u5b50\u9032\u7a0b\u7684\u932f\u8aa4\u4fe1\u606f\uff1f**<br \/>\nA2: \u53ef\u4ee5\u4f7f\u7528 `subprocess.PIPE` \u6355\u7372\u6a19\u6e96\u8f38\u51fa\u548c\u932f\u8aa4\u4fe1\u606f\uff0c\u4e26\u901a\u904e `communicate` \u65b9\u6cd5\u7372\u53d6\u3002<\/p>\n<p>**Q3: \u4f7f\u7528 logging \u6a21\u584a\u9032\u884c\u932f\u8aa4\u8a18\u9304\u7684\u597d\u8655\u662f\u4ec0\u9ebc\uff1f**<br \/>\nA3: \u4f7f\u7528 `logging` \u6a21\u584a\u53ef\u4ee5\u65b9\u4fbf\u5730\u8a18\u9304\u932f\u8aa4\u4fe1\u606f\uff0c\u4e26\u53ef\u914d\u7f6e\u4e0d\u540c\u7684\u65e5\u8a8c\u7d1a\u5225\uff0c\u4fbf\u65bc\u5f8c\u7e8c\u7684\u554f\u984c\u6392\u67e5\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u89e3\u6c7aPython\u4e2dChildProcessError\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u4f7f\u7528Python\u7684methods()\u51fd\u6578\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-3566","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-Vw","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3566","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=3566"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3566\/revisions"}],"predecessor-version":[{"id":12797,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3566\/revisions\/12797"}],"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=3566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}