python后台运行框架

小鱼儿 2024-04-17 05:28 32阅读 0赞

以下是测试demo，如有错误还请指正，运行错误还望自行解决，谢谢！

启动方法：

1. 前台运行：python main.py  （config.py->options->debug->'True'）
    2. 后台运行：python main.py start  （config.py->options->debug->'False'）

main.py

#coding=utf-8
    #!/usr/bin/python
    
    import os
    import daemon
    import logging
    import signal
    import time
    from config import options
    from daemon import runner
    from logging import Formatter
    from logging.handlers import RotatingFileHandler
    from logging.handlers import TimedRotatingFileHandler
    
    # logging.basicConfig(level=logging.DEBUG) #打开调试模式
    
    DISPATCH_VERSION = 'V1-20190812'
    root_path = os.path.dirname(os.path.abspath(__file__))
    
    def SetupLogger():
        FORMAT = '%(asctime)-15s %(levelname)-8s [%(filename)-16s L: %(lineno)d]    %(message)s'
        formatter = Formatter(fmt=FORMAT)
        logger = logging.getLogger()
    
        if options.get('debug',False):
            handler = logging.StreamHandler()
            logger.setLevel(logging.INFO) #CRITICAL:5 ERROR:4 WARNING:3 INFO:2 DEBUG:1 NOTSET:0
        else:
            log_dir = os.path.join(root_path,'log')
            if not os.path.exists(log_dir):
                os.mkdir(log_dir)
            handler = RotatingFileHandler('%s/main.log' % log_dir, maxBytes=10 * 1024 * 1024, backupCount=1)
            logger.setLevel(logging.WARNING)
    
        handler.setFormatter(formatter)
        logger.addHandler(handler)
        return handler
    
    def signal_handler(signum, frame):
        logging.info('PID:[%d] exit!' % os.getpid())    
        os.kill(os.getpid(),signal.SIGKILL)	
    
    def CtrlSignalExit():
        signal.signal(signal.SIGINT, signal_handler)
    
    	
    class App:
        def __init__(self):
            logging.info('App Verson:[%s]', (DISPATCH_VERSION))
            self.stdin_path = '/dev/null'
            self.stdout_path = '/dev/null'
            self.stderr_path = '/dev/null'
            self.pidfile_path = '%s/amin.pid' % root_path
            self.pidfile_timeout = 5
            self.svcs = []
            
    		
    	
        def run(self):
            from HelloWorld import HelloWorld
    		
            try:
    			logging.info('App start')
    			HW = HelloWorld()
    			HW.start()
    			while True:
    				time.sleep(1)
    			logging.info('App exit')
            except Exception as e:
                logging.error('Exception: {0}'.format(e))
    
    if __name__ == '__main__':
        handler = SetupLogger()
    
        app = App()
    
        if options.get('debug',False):
            CtrlSignalExit()
            app.run()
        else:
            daemon_runner = runner.DaemonRunner(app)
            daemon_runner.daemon_context.files_preserve = [handler.stream] 
            daemon_runner.do_action()

HelloWorld.py

#coding=utf-8
    
    import logging
    import time
    import threading
    
    class HelloWorld(threading.Thread):
        def __init__(self):
            threading.Thread.__init__(self)
            logging.info('HelloWorld Init Success!')
    
        def run(self):
            while True:
                logging.info('HelloWorld!')
    			time.sleep(1)

config.py

#coding=utf-8
    options = {
        'debug': False,  #True 前台运行
    }