{"id":1113809,"date":"2025-01-08T17:51:28","date_gmt":"2025-01-08T09:51:28","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1113809.html"},"modified":"2025-01-08T17:51:30","modified_gmt":"2025-01-08T09:51:30","slug":"%e5%a6%82%e4%bd%95%e8%ae%a9python%e5%8f%98%e6%88%90%e8%bf%9b%e7%a8%8b%e4%b8%80%e7%9b%b4%e8%b7%91","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1113809.html","title":{"rendered":"\u5982\u4f55\u8ba9python\u53d8\u6210\u8fdb\u7a0b\u4e00\u76f4\u8dd1"},"content":{"rendered":"

\"\u5982\u4f55\u8ba9python\u53d8\u6210\u8fdb\u7a0b\u4e00\u76f4\u8dd1\"<\/p>\n

\u8981\u8ba9Python\u53d8\u6210\u8fdb\u7a0b\u4e00\u76f4\u8dd1\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a\u4f7f\u7528\u65e0\u9650\u5faa\u73af\u3001\u4f7f\u7528\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b\u3001\u4f7f\u7528\u4efb\u52a1\u8c03\u5ea6\u5de5\u5177\u3001\u4f7f\u7528\u5bb9\u5668\u5316\u6280\u672f\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b<\/strong>\u662f\u4e00\u79cd\u5e38\u89c1\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u5b83\u786e\u4fdd\u4f60\u7684Python\u811a\u672c\u5728\u540e\u53f0\u6301\u7eed\u8fd0\u884c\uff0c\u5373\u4f7f\u7ec8\u7aef\u5173\u95ed\u6216\u7528\u6237\u9000\u51fa\u767b\u5f55\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u5c55\u5f00\u5982\u4f55\u4f7f\u7528\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b\u6765\u5b9e\u73b0\u8fd9\u4e2a\u76ee\u6807\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u65e0\u9650\u5faa\u73af<\/h3>\n<\/p>\n

\u65e0\u9650\u5faa\u73af\u662f\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\u8ba9\u7a0b\u5e8f\u4e00\u76f4\u8fd0\u884c\u3002\u4f46\u8fd9\u79cd\u65b9\u6cd5\u8f83\u4e3a\u539f\u59cb\uff0c\u9002\u5408\u4e00\u4e9b\u7b80\u5355\u7684\u4efb\u52a1\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

while True:<\/p>\n
    # Your code here<\/p>\n
    pass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7684\u7f3a\u70b9\u662f\uff0c\u5982\u679c\u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa\u6216\u7ec8\u7aef\u5173\u95ed\uff0c\u7a0b\u5e8f\u4f1a\u505c\u6b62\u8fd0\u884c\uff0c\u56e0\u6b64\u5e76\u4e0d\u9002\u5408\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b<\/h3>\n<\/p>\n
1\u3001\u4f7f\u7528 daemon<\/code> \u7ebf\u7a0b<\/h4>\n<\/p>\n
Python\u7684 threading<\/code> \u6a21\u5757\u5141\u8bb8\u4f60\u521b\u5efa\u540e\u53f0\u5b88\u62a4\u7ebf\u7a0b\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u5728\u4e3b\u7a0b\u5e8f\u9000\u51fa\u65f6\u4f1a\u81ea\u52a8\u7ed3\u675f\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
import time<\/p>\n
def background_task():<\/p>\n
    while True:<\/p>\n
        print("Running background task")<\/p>\n
        time.sleep(5)<\/p>\n
thread = threading.Thread(target=background_task)<\/p>\n
thread.daemon = True<\/p>\n
thread.start()<\/p>\n
Your mAI<\/a>n program here<\/strong><\/h2>\n
while True:<\/p>\n
    pass<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528 multiprocessing<\/code> \u6a21\u5757<\/h4>\n<\/p>\n
multiprocessing<\/code> \u6a21\u5757\u53ef\u4ee5\u521b\u5efa\u72ec\u7acb\u4e8e\u4e3b\u8fdb\u7a0b\u7684\u5b50\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
import multiprocessing<\/p>\n
import time<\/p>\n
def background_task():<\/p>\n
    while True:<\/p>\n
        print("Running background task")<\/p>\n
        time.sleep(5)<\/p>\n
if __name__ == "__main__":<\/p>\n
    process = multiprocessing.Process(target=background_task)<\/p>\n
    process.daemon = True<\/p>\n
    process.start()<\/p>\n
    # Your main program here<\/p>\n
    while True:<\/p>\n
        pass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4efb\u52a1\u8c03\u5ea6\u5de5\u5177<\/h3>\n<\/p>\n
\u4efb\u52a1\u8c03\u5ea6\u5de5\u5177\u5982 cron<\/code> \u548c systemd<\/code> \u53ef\u4ee5\u8ba9\u4f60\u7684\u811a\u672c\u5728\u540e\u53f0\u6301\u7eed\u8fd0\u884c\uff0c\u751a\u81f3\u5728\u7cfb\u7edf\u91cd\u542f\u540e\u81ea\u52a8\u542f\u52a8\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528 cron<\/code><\/h4>\n<\/p>\n
cron<\/code> \u662f\u7c7bUnix\u7cfb\u7edf\u4e0a\u7684\u4e00\u4e2a\u65f6\u95f4\u8c03\u5ea6\u670d\u52a1\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 cron<\/code> \u6765\u5b9a\u671f\u6267\u884c\u4f60\u7684Python\u811a\u672c\u3002<\/p>\n<\/p>\n
\u7f16\u8f91 crontab<\/code> \u6587\u4ef6\uff1a<\/p>\n<\/p>\n
crontab -e<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6dfb\u52a0\u4e00\u884c\u6765\u6bcf\u5206\u949f\u8fd0\u884c\u4f60\u7684\u811a\u672c\uff1a<\/p>\n<\/p>\n
* * * * * \/usr\/bin\/python3 \/path\/to\/your_script.py<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528 systemd<\/code><\/h4>\n<\/p>\n
systemd<\/code> \u662f\u73b0\u4ee3Linux\u53d1\u884c\u7248\u4e2d\u7684\u7cfb\u7edf\u548c\u670d\u52a1\u7ba1\u7406\u5668\u3002\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a systemd<\/code> \u670d\u52a1\u6765\u7ba1\u7406\u4f60\u7684Python\u811a\u672c\u3002<\/p>\n<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u6587\u4ef6 \/etc\/systemd\/system\/my_script.service<\/code>\uff1a<\/p>\n<\/p>\n
[Unit]<\/p>\n
Description=My Python Script<\/p>\n
After=network.target<\/p>\n
[Service]<\/p>\n
ExecStart=\/usr\/bin\/python3 \/path\/to\/your_script.py<\/p>\n
Restart=always<\/p>\n
[Install]<\/p>\n
WantedBy=multi-user.target<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7136\u540e\u542f\u52a8\u5e76\u542f\u7528\u670d\u52a1\uff1a<\/p>\n<\/p>\n
sudo systemctl start my_script.service<\/p>\n
sudo systemctl enable my_script.service<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5bb9\u5668\u5316\u6280\u672f<\/h3>\n<\/p>\n
\u4f7f\u7528Docker\u7b49\u5bb9\u5668\u5316\u6280\u672f\u53ef\u4ee5\u786e\u4fdd\u4f60\u7684Python\u811a\u672c\u5728\u4e00\u4e2a\u9694\u79bb\u7684\u73af\u5883\u4e2d\u6301\u7eed\u8fd0\u884c\u3002<\/p>\n<\/p>\n
1\u3001\u521b\u5efa\u4e00\u4e2aDockerfile<\/h4>\n<\/p>\n
FROM python:3.9-slim<\/p>\n
WORKDIR \/app<\/p>\n
COPY . .<\/p>\n
CMD ["python3", "your_script.py"]<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u6784\u5efa\u548c\u8fd0\u884cDocker\u955c\u50cf<\/h4>\n<\/p>\n
docker build -t my_python_app .<\/p>\n
docker run -d my_python_app<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/h3>\n<\/p>\n
\u4e00\u4e9b\u7b2c\u4e09\u65b9\u5e93\u5982 supervisor<\/code> \u548c pm2<\/code> \u4e5f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7ba1\u7406\u548c\u76d1\u63a7\u540e\u53f0\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528 supervisor<\/code><\/h4>\n<\/p>\n
supervisor<\/code> \u662f\u4e00\u4e2a\u8fdb\u7a0b\u63a7\u5236\u7cfb\u7edf\uff0c\u53ef\u4ee5\u7528\u4e8e\u542f\u52a8\u3001\u505c\u6b62\u548c\u91cd\u542f\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
\u5b89\u88c5 supervisor<\/code>\uff1a<\/p>\n<\/p>\n
sudo apt-get install supervisor<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u521b\u5efa\u914d\u7f6e\u6587\u4ef6 \/etc\/supervisor\/conf.d\/my_script.conf<\/code>\uff1a<\/p>\n<\/p>\n
[program:my_script]<\/p>\n
command=\/usr\/bin\/python3 \/path\/to\/your_script.py<\/p>\n
autostart=true<\/p>\n
autorestart=true<\/p>\n
stderr_logfile=\/var\/log\/my_script.err.log<\/p>\n
stdout_logfile=\/var\/log\/my_script.out.log<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u542f\u52a8 supervisor<\/code>\uff1a<\/p>\n<\/p>\n
sudo supervisorctl reread<\/p>\n
sudo supervisorctl update<\/p>\n
sudo supervisorctl start my_script<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528 pm2<\/code><\/h4>\n<\/p>\n
pm2<\/code> \u662f\u4e00\u4e2aNode.js\u8fdb\u7a0b\u7ba1\u7406\u5de5\u5177\uff0c\u4f46\u5b83\u4e5f\u652f\u6301\u7ba1\u7406Python\u811a\u672c\u3002<\/p>\n<\/p>\n
\u5b89\u88c5 pm2<\/code>\uff1a<\/p>\n<\/p>\n
npm install pm2@latest -g<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u542f\u52a8\u4f60\u7684Python\u811a\u672c\uff1a<\/p>\n<\/p>\n
pm2 start your_script.py --interpreter=python3<\/p>\n
pm2 startup<\/p>\n
pm2 save<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u8ba9Python\u811a\u672c\u53d8\u6210\u4e00\u76f4\u8fd0\u884c\u7684\u8fdb\u7a0b\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u4ece\u7b80\u5355\u7684\u65e0\u9650\u5faa\u73af\u5230\u4f7f\u7528\u4e13\u4e1a\u7684\u8fdb\u7a0b\u7ba1\u7406\u5de5\u5177\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4f60\u7684\u5177\u4f53\u9700\u6c42\u548c\u73af\u5883\u3002\u4f7f\u7528\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b\u3001\u4efb\u52a1\u8c03\u5ea6\u5de5\u5177\u548c\u5bb9\u5668\u5316\u6280\u672f\u662f\u5e38\u89c1\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5<\/strong>\uff0c\u5c24\u5176\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528 systemd<\/code> \u6216 supervisor<\/code> \u6765\u786e\u4fdd\u811a\u672c\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6613\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u6301\u4e45\u8fd0\u884c\u7684\u8fdb\u7a0b\uff1f<\/strong>
\u8981\u521b\u5efa\u4e00\u4e2a\u6301\u4e45\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528multiprocessing<\/code>\u6a21\u5757\u4e2d\u7684Process<\/code>\u7c7b\u3002\u901a\u8fc7\u6784\u5efa\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\u7684\u51fd\u6570\u5e76\u5c06\u5176\u4f20\u9012\u7ed9Process<\/code>\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u4e00\u76f4\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002\u786e\u4fdd\u5728\u6b64\u8fdb\u7a0b\u4e2d\u6dfb\u52a0\u9002\u5f53\u7684\u5ef6\u8fdf\u6216\u6761\u4ef6\uff0c\u4ee5\u907f\u514d\u9ad8CPU\u4f7f\u7528\u7387\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u7ba1\u7406\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u8fdb\u7a0b\uff1f<\/strong>
\u7ba1\u7406\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528multiprocessing<\/code>\u5e93\u4e2d\u7684\u8fdb\u7a0b\u6c60\u6216\u8c03\u5ea6\u5668\u6765\u5b9e\u73b0\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u4fe1\u53f7\u5904\u7406\u6765\u4f18\u96c5\u5730\u7ec8\u6b62\u8fdb\u7a0b\uff0c\u6216\u901a\u8fc7\u8bbe\u5b9a\u76d1\u63a7\u673a\u5236\u6765\u786e\u4fdd\u8fdb\u7a0b\u7684\u72b6\u6001\u548c\u6027\u80fd\uff0c\u53ca\u65f6\u5904\u7406\u4efb\u4f55\u53ef\u80fd\u7684\u9519\u8bef\u6216\u5f02\u5e38\u3002<\/p>\n
\u5982\u4f55\u786e\u4fddPython\u8fdb\u7a0b\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u81ea\u52a8\u91cd\u542f\uff1f<\/strong>
\u4e3a\u4e86\u786e\u4fddPython\u8fdb\u7a0b\u5728\u53d1\u751f\u5f02\u5e38\u65f6\u80fd\u591f\u81ea\u52a8\u91cd\u542f\uff0c\u53ef\u4ee5\u4f7f\u7528try...except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u5f02\u5e38\uff0c\u5e76\u5728\u6355\u83b7\u5230\u5f02\u5e38\u540e\u91cd\u65b0\u542f\u52a8\u8fdb\u7a0b\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528supervisor<\/code>\u6216systemd<\/code>\u7b49\u5de5\u5177\u6765\u76d1\u63a7\u548c\u7ba1\u7406Python\u8fdb\u7a0b\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u8fdb\u7a0b\u610f\u5916\u9000\u51fa\u65f6\u81ea\u52a8\u91cd\u65b0\u542f\u52a8\u5b83\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u8ba9Python\u53d8\u6210\u8fdb\u7a0b\u4e00\u76f4\u8dd1\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a\u4f7f\u7528\u65e0\u9650\u5faa\u73af\u3001\u4f7f\u7528\u540e\u53f0\u5b88\u62a4\u8fdb\u7a0b\u3001\u4f7f\u7528\u4efb\u52a1\u8c03\u5ea6\u5de5\u5177\u3001\u4f7f\u7528\u5bb9\u5668\u5316\u6280 […]","protected":false},"author":3,"featured_media":1113819,"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\/1113809"}],"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=1113809"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1113809\/revisions"}],"predecessor-version":[{"id":1113820,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1113809\/revisions\/1113820"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1113819"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1113809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1113809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1113809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}