trac windows service

trac_on_window_service.py

import socket
import win32serviceutil

import servicemanager
import win32event
import win32service

import sys
import os

from waitress.server import create_server
import trac.web.main
from dotenv import load_dotenv

sys.stdout = sys.stderr

# file content
# "TRAC_ENV_PARENT_DIR=C:\\Users\\gdhong\\repos\\\nPYTHON_EGG_CACHE=C:\\Users\\gdhong\\projects\\.eggs\\"
config = open("C:\\Foo\\Bar\\trac.env") # or trac.env location from os environment variable
load_dotenv(stream=config)

application = trac.web.main.dispatch_request

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

    _svc_name_ = 'trac_service'
    _svc_display_name_ = 'Trac Windows Service'
    _svc_description_ = 'Trac Windows on python waitress'

    @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)

        self.wsgi_server = None

    def SvcStop(self):
        '''
        Called when the service is asked to stop
        '''
        self.stop()
        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):
        '''
        Override to add logic before the start
        eg. running condition
        '''
        self.wsgi_server = create_server(application, host='0.0.0.0', port=80)
        # TODO Windows NT Logging

    def stop(self):
        '''
        Override to add logic before the stop
        eg. invalidating running condition
        '''
        # TODO Windows NT Logging
        self.wsgi_server.close()

    def main(self):
        '''
        Main class to be ovverridden to add logic
        '''
        # TODO Windows NT Logging
        self.wsgi_server.run()

# entry point of the module: copy and paste into the new module
# ensuring you are calling the "parse_command_line" of the new created class
if __name__ == '__main__':
    TracWinService.parse_command_line()

https://thepythoncorner.com/posts/2018-08-01-how-to-create-a-windows-service-in-python

I have not tested it, and I am not responsible for the results of your testing and use.

If you find this gist helpful, please follow my github account.

requirements:
pywin32
python-dotenv
trac
waitress

python PythonCornerExample.py install
python PythonCornerExample.py update
mmc Services.msc
python PythonCornerExample.py debug