{"id":1020079,"date":"2024-12-27T13:07:54","date_gmt":"2024-12-27T05:07:54","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1020079.html"},"modified":"2024-12-27T13:07:57","modified_gmt":"2024-12-27T05:07:57","slug":"python-%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e8%bf%9b%e7%a8%8b%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1020079.html","title":{"rendered":"python \u5982\u4f55\u83b7\u53d6\u8fdb\u7a0b\u53f7"},"content":{"rendered":"

\"python<\/p>\n

\u5728Python\u4e2d\u83b7\u53d6\u8fdb\u7a0b\u53f7\uff08PID\uff09\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528os\u6a21\u5757\u3001\u901a\u8fc7multiprocessing\u5e93\u3001\u5229\u7528psutil\u5e93<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528os\u6a21\u5757\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5<\/strong>\u3002\u901a\u8fc7\u8c03\u7528os.getpid()<\/code>\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u83b7\u53d6\u5f53\u524d\u8fd0\u884cPython\u811a\u672c\u7684\u8fdb\u7a0b\u53f7\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u83b7\u53d6\u8fdb\u7a0b\u53f7\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528os\u6a21\u5757\u83b7\u53d6\u8fdb\u7a0b\u53f7<\/p>\n<\/p>\n

\u4f7f\u7528Python\u5185\u7f6e\u7684os\u6a21\u5757\u662f\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u53f7\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u3002os\u6a21\u5757\u63d0\u4f9b\u4e86\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u7684\u529f\u80fd\uff0c\u5176\u4e2dos.getpid()<\/code>\u51fd\u6570\u7528\u4e8e\u8fd4\u56de\u5f53\u524d\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u53f7\u3002<\/p>\n<\/p>\n

import os<\/p>\n
\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u53f7<\/strong><\/h2>\n
pid = os.getpid()<\/p>\n
print(f"\u5f53\u524d\u8fdb\u7a0b\u53f7\u4e3a: {pid}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u4e86os\u6a21\u5757\uff0c\u5e76\u4f7f\u7528os.getpid()<\/code>\u51fd\u6570\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u7684PID\u3002\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u9700\u8981\u83b7\u53d6\u81ea\u8eab\u8fdb\u7a0b\u53f7\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528multiprocessing\u5e93\u83b7\u53d6\u8fdb\u7a0b\u53f7<\/p>\n<\/p>\n
\u5f53\u6211\u4eec\u4f7f\u7528\u591a\u8fdb\u7a0b\u7f16\u7a0b\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u83b7\u53d6\u548c\u7ba1\u7406\u591a\u4e2a\u8fdb\u7a0b\u7684PID\u3002Python\u7684multiprocessing\u5e93\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u65b9\u4fbf\u7684\u63a5\u53e3\u6765\u521b\u5efa\u548c\u7ba1\u7406\u8fdb\u7a0b\uff0c\u540c\u65f6\u4e5f\u80fd\u83b7\u53d6\u6bcf\u4e2a\u8fdb\u7a0b\u7684PID\u3002<\/p>\n<\/p>\n
import multiprocessing<\/p>\n
import os<\/p>\n
def worker():<\/p>\n
    print(f"\u5b50\u8fdb\u7a0b\u53f7\u4e3a: {os.getpid()}")<\/p>\n
if __name__ == "__mAI<\/a>n__":<\/p>\n
    print(f"\u4e3b\u8fdb\u7a0b\u53f7\u4e3a: {os.getpid()}")<\/p>\n
    # \u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b<\/p>\n
    process = multiprocessing.Process(target=worker)<\/p>\n
    process.start()<\/p>\n
    process.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528multiprocessing\u5e93\u521b\u5efa\u4e86\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u5e76\u5728\u5b50\u8fdb\u7a0b\u4e2d\u83b7\u53d6\u5176PID\u3002\u901a\u8fc7os.getpid()<\/code>\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5206\u522b\u83b7\u53d6\u4e3b\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u7684PID\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528psutil\u5e93\u83b7\u53d6\u8fdb\u7a0b\u53f7<\/p>\n<\/p>\n
psutil\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u5e93\uff0c\u7528\u4e8e\u83b7\u53d6\u7cfb\u7edf\u548c\u8fdb\u7a0b\u4fe1\u606f\u3002\u76f8\u6bd4os\u6a21\u5757\u548cmultiprocessing\u5e93\uff0cpsutil\u63d0\u4f9b\u4e86\u66f4\u4e3a\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u83b7\u53d6\u7cfb\u7edf\u4e2d\u6240\u6709\u8fdb\u7a0b\u7684\u4fe1\u606f\u3001\u76d1\u63a7\u8fdb\u7a0b\u7684\u72b6\u6001\u7b49\u3002<\/p>\n<\/p>\n
import psutil<\/p>\n
\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u4fe1\u606f<\/strong><\/h2>\n
process = psutil.Process()<\/p>\n
print(f"\u5f53\u524d\u8fdb\u7a0b\u53f7\u4e3a: {process.pid}")<\/p>\n
\u83b7\u53d6\u6240\u6709\u8fdb\u7a0b\u4fe1\u606f<\/strong><\/h2>\n
for proc in psutil.process_iter(['pid', 'name']):<\/p>\n
    print(proc.info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528psutil\u5e93\u83b7\u53d6\u4e86\u5f53\u524d\u8fdb\u7a0b\u7684PID\uff0c\u5e76\u5217\u51fa\u4e86\u7cfb\u7edf\u4e2d\u6240\u6709\u8fdb\u7a0b\u7684PID\u548c\u540d\u79f0\u3002psutil\u5e93\u975e\u5e38\u5f3a\u5927\uff0c\u9002\u5408\u9700\u8981\u6df1\u5165\u4e86\u89e3\u7cfb\u7edf\u548c\u8fdb\u7a0b\u72b6\u6001\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
\u83b7\u53d6\u8fdb\u7a0b\u53f7\u5728\u5f88\u591a\u5e94\u7528\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u6bd4\u5982\u8fdb\u7a0b\u76d1\u63a7\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7b49\u3002\u5728\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n
    \n
  1. \n
    \u6743\u9650\u95ee\u9898<\/strong>\uff1a\u6709\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u6216\u73af\u5883\u53ef\u80fd\u5bf9\u83b7\u53d6\u8fdb\u7a0b\u4fe1\u606f\u6709\u6743\u9650\u9650\u5236\uff0c\u786e\u4fdd\u4f60\u7684\u811a\u672c\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u83b7\u53d6\u6240\u9700\u7684\u8fdb\u7a0b\u4fe1\u606f\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u8de8\u5e73\u53f0\u517c\u5bb9\u6027<\/strong>\uff1aos\u6a21\u5757\u548cpsutil\u5e93\u90fd\u662f\u8de8\u5e73\u53f0\u7684\uff0c\u4f46\u5728\u4f7f\u7528\u4e00\u4e9b\u7279\u5b9a\u529f\u80fd\u65f6\uff0c\u4ecd\u9700\u6ce8\u610f\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u6027\u80fd\u8003\u8651<\/strong>\uff1a\u5728\u5927\u89c4\u6a21\u6216\u9ad8\u9891\u7387\u5730\u83b7\u53d6\u8fdb\u7a0b\u4fe1\u606f\u65f6\uff0c\u9700\u8981\u8003\u8651\u6027\u80fd\u95ee\u9898\uff0c\u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8c03\u7528\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
    \u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u5b66\u4e60\u4e86Python\u4e2d\u83b7\u53d6\u8fdb\u7a0b\u53f7\u7684\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u8be6\u7ec6\u63a2\u8ba8\u4e86\u5404\u81ea\u7684\u5e94\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879\u3002\u4f7f\u7528os.getpid()<\/code>\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u53f7\u662f\u6700\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u800cmultiprocessing\u5e93\u548cpsutil\u5e93\u63d0\u4f9b\u4e86\u66f4\u4e3a\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u9002\u5408\u66f4\u590d\u6742\u7684\u573a\u666f\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u51b3\u5b9a\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u548c\u76d1\u63a7\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u53f7\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528os<\/code>\u6a21\u5757\u6765\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u53f7\u3002\u901a\u8fc7\u8c03\u7528os.getpid()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u83b7\u5f97\u5f53\u524d\u8fdb\u7a0b\u7684PID\uff08Process ID\uff09\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    import os\n\npid = os.getpid()\nprint(f"\u5f53\u524d\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u53f7\u662f: {pid}")\n<\/code><\/pre>\n
    \u5982\u4f55\u83b7\u53d6\u7cfb\u7edf\u4e2d\u6240\u6709\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u53f7\uff1f<\/strong>
    \u8981\u83b7\u53d6\u7cfb\u7edf\u4e2d\u6240\u6709\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u53f7\uff0c\u53ef\u4ee5\u5229\u7528psutil<\/code>\u5e93\u3002\u8be5\u5e93\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u8fdb\u7a0b\u7ba1\u7406\u529f\u80fd\u3002\u5b89\u88c5psutil<\/code>\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u6240\u6709\u8fdb\u7a0b\u7684PID\uff1a<\/p>\n
    import psutil\n\nfor process in psutil.process_iter(['pid', 'name']):\n    print(f"\u8fdb\u7a0b\u53f7: {process.info['pid']}, \u8fdb\u7a0b\u540d\u79f0: {process.info['name']}")\n<\/code><\/pre>\n
    \u5728Python\u4e2d\u5982\u4f55\u901a\u8fc7\u8fdb\u7a0b\u53f7\u7ec8\u6b62\u4e00\u4e2a\u8fdb\u7a0b\uff1f<\/strong>
    \u53ef\u4ee5\u4f7f\u7528os<\/code>\u6a21\u5757\u6216\u8005psutil<\/code>\u5e93\u6765\u7ec8\u6b62\u6307\u5b9a\u7684\u8fdb\u7a0b\u3002\u4f7f\u7528os.kill()<\/code>\u51fd\u6570\u6216psutil.Process<\/code>\u7c7b\u90fd\u80fd\u5b9e\u73b0\u6b64\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e24\u4e2a\u793a\u4f8b\uff1a<\/p>\n
    \u4f7f\u7528os<\/code>\u6a21\u5757\uff1a<\/p>\n
    import os\nimport signal\n\npid = 1234  # \u66ff\u6362\u4e3a\u5b9e\u9645\u7684\u8fdb\u7a0b\u53f7\nos.kill(pid, signal.SIGTERM)  # \u53d1\u9001\u7ec8\u6b62\u4fe1\u53f7\n<\/code><\/pre>\n
    \u4f7f\u7528psutil<\/code>\u5e93\uff1a<\/p>\n
    import psutil\n\npid = 1234  # \u66ff\u6362\u4e3a\u5b9e\u9645\u7684\u8fdb\u7a0b\u53f7\nprocess = psutil.Process(pid)\nprocess.terminate()  # \u7ec8\u6b62\u8fdb\u7a0b\n<\/code><\/pre>\n
    \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u83b7\u53d6\u548c\u7ba1\u7406\u8fdb\u7a0b\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u83b7\u53d6\u8fdb\u7a0b\u53f7\uff08PID\uff09\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528os\u6a21\u5757\u3001\u901a\u8fc7multiprocessin […]","protected":false},"author":3,"featured_media":1020083,"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\/1020079"}],"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=1020079"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1020079\/revisions"}],"predecessor-version":[{"id":1020084,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1020079\/revisions\/1020084"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1020083"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1020079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1020079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1020079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}