如何从作为Windows pywin32服务运行的烧瓶和女服务员干净地退出

问题描述 投票:0回答:1

我设法在pylons女服务员wsgi服务器(如下)中运行了一个运行flask的pywin32 Windows服务的演示示例。一个侄女自给自足的解决方案就是这个主意。

[我花了数小时来审查和测试使女服务员干净出口的方法(例如thisthis),但到目前为止,我能做的最好的事情就是自杀SIGINT,这使Windows抱怨“管道已经结束”。当通过服务控制面板停止时,但至少它停止了:-/我猜pywin32启动的pythonservice.exe不应终止,只是女服务员踩到了?

说实话,我仍然不确定这是否是关于女服务员,pywin32或仅仅是纯python的问题。我do

感觉答案就在我的眼前,但现在我已经完全迷住了。

欢迎提出任何建议!

import os
import random
import signal
import socket

from flask import Flask, escape, request

import servicemanager
import win32event
import win32service
import win32serviceutil
from waitress import serve

app = Flask(__name__)


@app.route('/')
def hello():
    random.seed()
    x = random.randint(1, 1000000)
    name = request.args.get("name", "World")
    return 'Hello, %s! - %s - %s' % (escape(name), x, os.getpid())


# based on https://www.thepythoncorner.com/2018/08/how-to-create-a-windows-service-in-python/

class SMWinservice(win32serviceutil.ServiceFramework):
    '''Base class to create winservice in Python'''

    _svc_name_ = 'WaitressService'
    _svc_display_name_ = 'Waitress server'
    _svc_description_ = 'Python waitress WSGI service'

    @classmethod
    def parse_command_line(cls):
        '''
        ClassMethod to parse the command line
        '''
        win32serviceutil.HandleCommandLine(cls)

    def __init__(self, args):
        '''
        Constructor of the winservice
        '''
        win32serviceutil.ServiceFramework.__init__(self, args)
        self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
        socket.setdefaulttimeout(60)

    def SvcStop(self):
        '''
        Called when the service is asked to stop
        '''
        self.stop()
        servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
                            servicemanager.PYS_SERVICE_STOPPED,
                            (self._svc_name_, ''))
        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
        win32event.SetEvent(self.hWaitStop)

    def SvcDoRun(self):
        '''
        Called when the service is asked to start
        '''
        self.start()
        servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
                            servicemanager.PYS_SERVICE_STARTED,
                            (self._svc_name_, ''))
        self.main()

    def start(self):
        pass

    def stop(self):
        print 'sigint'
        os.kill(os.getpid(), signal.SIGINT)

    def main(self):
        print 'serve'
        serve(app, listen='*:5000')


if __name__ == '__main__':
    SMWinservice.parse_command_line()

我设法在pylons女服务员wsgi服务器(如下)中运行了一个运行flask的pywin32 Windows服务的演示示例。一个侄女自给自足的解决方案是这个主意。.我花了...

python flask service pywin32 waitress
1个回答
0
投票

我已经找到了使用似乎可行的子线程的解决方案。不太确定这是否可能会带来意想不到的后果。

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