{"id":967816,"date":"2024-12-27T05:00:50","date_gmt":"2024-12-26T21:00:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/967816.html"},"modified":"2024-12-27T05:00:51","modified_gmt":"2024-12-26T21:00:51","slug":"python-%e5%a6%82%e4%bd%95%e6%8a%8a%e8%bf%9b%e7%a8%8b%e5%85%b3%e6%8e%89","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/967816.html","title":{"rendered":"python \u5982\u4f55\u628a\u8fdb\u7a0b\u5173\u6389"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24182913\/5275b47c-c6a7-4d1b-b74e-6871288f2304.webp\" alt=\"python \u5982\u4f55\u628a\u8fdb\u7a0b\u5173\u6389\" \/><\/p>\n<p><p> \u5f00\u5934\u6bb5\u843d\uff1a\u5728Python\u4e2d\u5173\u95ed\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e3b\u8981\u6709<strong>\u4f7f\u7528os.kill()\u51fd\u6570\u3001\u5229\u7528subprocess\u6a21\u5757\u7684terminate()\u65b9\u6cd5\u3001\u7ed3\u5408\u4fe1\u53f7\u5904\u7406\u7684\u65b9\u5f0f<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528os.kill()\u51fd\u6570\u662f\u4e00\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u7279\u5b9a\u4fe1\u53f7\u6765\u7ec8\u6b62\u8fdb\u7a0b\u3002os.kill()\u51fd\u6570\u9700\u8981\u8fdb\u7a0b\u7684PID\uff08\u8fdb\u7a0b\u6807\u8bc6\u7b26\uff09\u4ee5\u53ca\u8981\u53d1\u9001\u7684\u4fe1\u53f7\u7f16\u53f7\uff0c\u6bd4\u5982SIGTERM\u6765\u8bf7\u6c42\u8fdb\u7a0b\u7ec8\u6b62\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u8fdb\u7a0b\u7684\u751f\u547d\u5468\u671f\uff0c\u786e\u4fdd\u7cfb\u7edf\u8d44\u6e90\u5f97\u4ee5\u91ca\u653e\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5b9e\u73b0\u7ec6\u8282\u53ca\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<hr>\n<p><h3>\u4e00\u3001\u4f7f\u7528os.kill()\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0cos.kill()\u51fd\u6570\u662f\u7528\u6765\u53d1\u9001\u4fe1\u53f7\u7ed9\u6307\u5b9a\u8fdb\u7a0b\u7684\u5de5\u5177\u3002\u8981\u4f7f\u7528\u5b83\u5173\u95ed\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4f60\u9700\u8981\u77e5\u9053\u8be5\u8fdb\u7a0b\u7684PID\uff08\u8fdb\u7a0b\u6807\u8bc6\u7b26\uff09\uff0c\u4ee5\u53ca\u9002\u5f53\u7684\u4fe1\u53f7\u7f16\u53f7\u3002<\/p>\n<\/p>\n<p><h4>1. \u83b7\u53d6\u8fdb\u7a0bPID<\/h4>\n<\/p>\n<p><p>\u5728\u5173\u95ed\u8fdb\u7a0b\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u83b7\u53d6\u8be5\u8fdb\u7a0b\u7684PID\u3002\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u83b7\u5f97PID\uff0c\u6bd4\u5982\u5728\u521b\u5efa\u5b50\u8fdb\u7a0b\u65f6\u8bb0\u5f55\u4e0bPID\uff0c\u6216\u8005\u901a\u8fc7\u7cfb\u7edf\u5de5\u5177\uff08\u5982ps\u547d\u4ee4\uff09\u83b7\u53d6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>import signal<\/p>\n<h2><strong>\u793a\u4f8b\uff1a\u5047\u8bbe\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u8981\u5173\u95ed\u8fdb\u7a0b\u7684PID<\/strong><\/h2>\n<p>pid = 12345<\/p>\n<p>os.kill(pid, signal.SIGTERM)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86SIGTERM\u4fe1\u53f7\u6765\u8bf7\u6c42\u8fdb\u7a0b\u7ec8\u6b62\u3002SIGTERM\u662f\u4e00\u4e2a\u6807\u51c6\u7684\u7ec8\u6b62\u4fe1\u53f7\uff0c\u8fdb\u7a0b\u6536\u5230\u6b64\u4fe1\u53f7\u540e\u4f1a\u5c1d\u8bd5\u5e72\u51c0\u5730\u9000\u51fa\u3002<\/p>\n<\/p>\n<p><h4>2. \u9009\u62e9\u5408\u9002\u7684\u4fe1\u53f7<\/h4>\n<\/p>\n<p><p>\u5728\u4f7f\u7528os.kill()\u7ec8\u6b62\u8fdb\u7a0b\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u4fe1\u53f7\u81f3\u5173\u91cd\u8981\u3002\u5e38\u7528\u7684\u4fe1\u53f7\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>SIGTERM<\/strong>\uff0815\uff09\uff1a\u8bf7\u6c42\u8fdb\u7a0b\u7ec8\u6b62\uff0c\u5141\u8bb8\u8fdb\u7a0b\u8fdb\u884c\u8d44\u6e90\u6e05\u7406\u3002<\/li>\n<li><strong>SIGKILL<\/strong>\uff089\uff09\uff1a\u5f3a\u5236\u8fdb\u7a0b\u7ec8\u6b62\uff0c\u65e0\u6cd5\u88ab\u6355\u83b7\u6216\u5ffd\u7565\u3002<\/li>\n<li><strong>SIGINT<\/strong>\uff082\uff09\uff1a\u76f8\u5f53\u4e8e\u952e\u76d8\u8f93\u5165Ctrl+C\u3002<\/li>\n<\/ul>\n<p><p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4f18\u5148\u4f7f\u7528SIGTERM\uff0c\u56e0\u4e3a\u5b83\u4e3a\u8fdb\u7a0b\u63d0\u4f9b\u4e86\u91ca\u653e\u8d44\u6e90\u548c\u4fdd\u5b58\u6570\u636e\u7684\u673a\u4f1a\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5229\u7528subprocess\u6a21\u5757\u7684terminate()\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>subprocess\u6a21\u5757\u5141\u8bb8\u6211\u4eec\u5728Python\u4e2d\u521b\u5efa\u548c\u7ba1\u7406\u5b50\u8fdb\u7a0b\u3002\u4f7f\u7528subprocess.Popen\u5bf9\u8c61\u7684terminate()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f18\u96c5\u5730\u7ec8\u6b62\u5b50\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><h4>1. \u521b\u5efa\u5b50\u8fdb\u7a0b<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u901a\u8fc7subprocess.Popen\u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u5e76\u4f7f\u7528\u5176\u65b9\u6cd5\u7ba1\u7406\u8fdb\u7a0b\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import subprocess<\/p>\n<h2><strong>\u542f\u52a8\u4e00\u4e2a\u5b50\u8fdb\u7a0b<\/strong><\/h2>\n<p>process = subprocess.Popen([&#39;python&#39;, &#39;some_script.py&#39;])<\/p>\n<h2><strong>\u7ec8\u6b62\u5b50\u8fdb\u7a0b<\/strong><\/h2>\n<p>process.terminate()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u4f7f\u7528terminate()\u548ckill()\u65b9\u6cd5<\/h4>\n<\/p>\n<p><p>terminate()\u65b9\u6cd5\u4f1a\u5411\u5b50\u8fdb\u7a0b\u53d1\u9001SIGTERM\u4fe1\u53f7\uff0c\u800ckill()\u65b9\u6cd5\u5219\u53d1\u9001SIGKILL\u4fe1\u53f7\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5efa\u8bae\u4f7f\u7528terminate()\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u5b50\u8fdb\u7a0b\u8fdb\u884c\u6e05\u7406\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4f18\u96c5\u5730\u7ec8\u6b62\u5b50\u8fdb\u7a0b<\/p>\n<p>process.terminate()<\/p>\n<h2><strong>\u5f3a\u5236\u7ec8\u6b62\u5b50\u8fdb\u7a0b<\/strong><\/h2>\n<p>process.kill()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u5b50\u8fdb\u7a0b\u7684\u751f\u547d\u5468\u671f\uff0c\u5e76\u786e\u4fdd\u8d44\u6e90\u7684\u91ca\u653e\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u7ed3\u5408\u4fe1\u53f7\u5904\u7406\u7684\u65b9\u5f0f<\/h3>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5728Python\u7a0b\u5e8f\u4e2d\u6355\u83b7\u5e76\u5904\u7406\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u4fe1\u53f7\u5230\u8fbe\u65f6\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u6e05\u7406\u8d44\u6e90\u6216\u4fdd\u5b58\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528signal\u6a21\u5757<\/h4>\n<\/p>\n<p><p>signal\u6a21\u5757\u63d0\u4f9b\u4e86\u6355\u83b7\u548c\u5904\u7406\u4fe1\u53f7\u7684\u529f\u80fd\u3002\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u4fe1\u53f7\u5904\u7406\u51fd\u6570\uff0c\u5e76\u4f7f\u7528signal.signal()\u6ce8\u518c\u8be5\u51fd\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import signal<\/p>\n<p>import time<\/p>\n<p>def handle_signal(signum, frame):<\/p>\n<p>    print(f&quot;Received signal {signum}, shutting down...&quot;)<\/p>\n<p>    # \u6267\u884c\u6e05\u7406\u64cd\u4f5c<\/p>\n<p>    exit(0)<\/p>\n<h2><strong>\u6ce8\u518c\u4fe1\u53f7\u5904\u7406\u5668<\/strong><\/h2>\n<p>signal.signal(signal.SIGTERM, handle_signal)<\/p>\n<h2><strong>\u6a21\u62df\u7a0b\u5e8f\u8fd0\u884c<\/strong><\/h2>\n<p>while True:<\/p>\n<p>    print(&quot;Running...&quot;)<\/p>\n<p>    time.sleep(1)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u4fe1\u53f7\u5904\u7406\u5668\u7684\u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n<p><p>\u4fe1\u53f7\u5904\u7406\u5668\u5728\u9700\u8981\u4f18\u96c5\u5173\u95ed\u8fdb\u7a0b\u7684\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5f53\u670d\u52a1\u63a5\u6536\u5230\u7ec8\u6b62\u4fe1\u53f7\u65f6\uff0c\u53ef\u4ee5\u5728\u4fe1\u53f7\u5904\u7406\u5668\u4e2d\u5b8c\u6210\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u7cfb\u7edf\u8d44\u6e90\u7684\u91ca\u653e\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5173\u95ed\u8fdb\u7a0b\u662f\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\uff0c\u9009\u62e9\u9002\u5408\u7684\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002<\/p>\n<\/p>\n<ul>\n<li><strong>\u4f7f\u7528os.kill()\u51fd\u6570<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u624b\u52a8\u7ba1\u7406\u8fdb\u7a0b\u7684\u573a\u5408\uff0c\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u4fe1\u53f7\u9009\u62e9\u3002<\/li>\n<li><strong>\u5229\u7528subprocess\u6a21\u5757<\/strong>\uff1a\u9002\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u5b50\u8fdb\u7a0b\uff0c\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u8c03\u7528\u3002<\/li>\n<li><strong>\u7ed3\u5408\u4fe1\u53f7\u5904\u7406<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u4f18\u96c5\u5173\u95ed\u8fdb\u7a0b\u5e76\u8fdb\u884c\u8d44\u6e90\u6e05\u7406\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<p><p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u5e94\u8be5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u5e76\u786e\u4fdd\u5bf9\u8fdb\u7a0b\u7684\u5173\u95ed\u662f\u5b89\u5168\u548c\u9ad8\u6548\u7684\u3002\u901a\u8fc7\u5408\u7406\u5730\u7ba1\u7406\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u63d0\u5347\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b89\u5168\u5730\u5173\u95ed\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>os<\/code>\u6a21\u5757\u4e2d\u7684<code>kill()<\/code>\u51fd\u6570\u6765\u5b89\u5168\u5730\u5173\u95ed\u8fdb\u7a0b\u3002\u9996\u5148\uff0c\u9700\u8981\u83b7\u53d6\u8fdb\u7a0b\u7684PID\uff08\u8fdb\u7a0bID\uff09\uff0c\u7136\u540e\u8c03\u7528<code>os.kill(pid, signal.SIGTERM)<\/code>\u6765\u8bf7\u6c42\u8fdb\u7a0b\u7ec8\u6b62\u3002\u8bf7\u6ce8\u610f\uff0c\u4f7f\u7528<code>SIGTERM<\/code>\u53ef\u4ee5\u8ba9\u8fdb\u7a0b\u8fdb\u884c\u6e05\u7406\u64cd\u4f5c\u540e\u518d\u9000\u51fa\uff0c\u800c<code>SIGKILL<\/code>\u5219\u4f1a\u5f3a\u5236\u7ed3\u675f\u8fdb\u7a0b\uff0c\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u68c0\u67e5\u4e00\u4e2a\u8fdb\u7a0b\u662f\u5426\u4ecd\u5728\u8fd0\u884c\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>psutil<\/code>\u5e93\u6765\u68c0\u67e5\u8fdb\u7a0b\u662f\u5426\u5728\u8fd0\u884c\u3002\u901a\u8fc7\u4f20\u5165\u8fdb\u7a0bID\uff0c\u53ef\u4ee5\u4f7f\u7528<code>psutil.pid_exists(pid)<\/code>\u65b9\u6cd5\u6765\u5224\u65ad\u8be5\u8fdb\u7a0b\u662f\u5426\u5b58\u5728\u3002\u5982\u679c\u8fd4\u56de<code>True<\/code>\uff0c\u5219\u8be5\u8fdb\u7a0b\u4ecd\u5728\u8fd0\u884c\uff1b\u5982\u679c\u8fd4\u56de<code>False<\/code>\uff0c\u5219\u8fdb\u7a0b\u5df2\u7ecf\u7ed3\u675f\u3002<\/p>\n<p><strong>\u4f7f\u7528Python\u5173\u95ed\u8fdb\u7a0b\u65f6\uff0c\u5982\u4f55\u5904\u7406\u5f02\u5e38\uff1f<\/strong><br \/>\u5728\u5173\u95ed\u8fdb\u7a0b\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5f02\u5e38\u60c5\u51b5\uff0c\u6bd4\u5982\u8fdb\u7a0b\u5df2\u7ecf\u7ed3\u675f\u6216\u6743\u9650\u4e0d\u8db3\u3002\u53ef\u4ee5\u4f7f\u7528<code>try-except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u8fd9\u4e9b\u5f02\u5e38\u3002\u6355\u83b7<code>ProcessLookupError<\/code>\u53ef\u4ee5\u5904\u7406\u627e\u4e0d\u5230\u8fdb\u7a0b\u7684\u60c5\u51b5\uff0c\u800c<code>PermissionError<\/code>\u5219\u7528\u4e8e\u5904\u7406\u6743\u9650\u95ee\u9898\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u5728\u5173\u95ed\u8fdb\u7a0b\u65f6\u4e0d\u4f1a\u5d29\u6e83\uff0c\u5e76\u80fd\u7ed9\u51fa\u76f8\u5e94\u7684\u63d0\u793a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d\uff1a\u5728Python\u4e2d\u5173\u95ed\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e3b\u8981\u6709\u4f7f\u7528os.kill()\u51fd\u6570\u3001\u5229\u7528subproce [&hellip;]","protected":false},"author":3,"featured_media":967819,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/967816"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=967816"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/967816\/revisions"}],"predecessor-version":[{"id":967822,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/967816\/revisions\/967822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/967819"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=967816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=967816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=967816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}