[python-win32] windows service sample using pyInstaller

[franck34]

# Usage:
# service.exe install
# service.exe start
# service.exe stop
# service.exe remove

# you can see output of this program running python
site-packages\win32\lib\win32traceutil

import win32service
import win32serviceutil
import win32event
import win32evtlogutil
import win32traceutil
import servicemanager
import winerror
import time
import sys

class aservice(win32serviceutil.ServiceFramework):
    _svc_name_ = "aservice"
    _svc_display_name_ = "aservice - It Does nothing"
    _svc_deps_ = ["EventLog"]

    def __init__(self,args):
        win32serviceutil.ServiceFramework.__init__(self,args)
        self.hWaitStop=win32event.CreateEvent(None, 0, 0, None)
    self.isAlive=True

    def SvcStop(self):

        # tell Service Manager we are trying to stop (required)
        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)

    # write a message in the SM (optional)
        # import servicemanager
        # servicemanager.LogInfoMsg("aservice - Recieved stop signal")

    # set the event to call
        win32event.SetEvent(self.hWaitStop)

    self.isAlive=False

    def SvcDoRun(self):
        import servicemanager
        # Write a 'started' event to the event log... (not required)
        #
win32evtlogutil.ReportEvent(self._svc_name_,servicemanager.PYS_SERVICE_STARTED,0,
servicemanager.EVENTLOG_INFORMATION_TYPE,(self._svc_name_, ''))

        # methode 1: wait for beeing stopped ...
        # win32event.WaitForSingleObject(self.hWaitStop,
win32event.INFINITE)

        # methode 2: wait for beeing stopped ...
        self.timeout=1000  # In milliseconds (update every second)

        while self.isAlive:

            # wait for service stop signal, if timeout, loop again
            rc=win32event.WaitForSingleObject(self.hWaitStop, self.timeout)

            print "looping"

        # and write a 'stopped' event to the event log (not required)
        #
win32evtlogutil.ReportEvent(self._svc_name_,servicemanager.PYS_SERVICE_STOPPED,0,
servicemanager.EVENTLOG_INFORMATION_TYPE,(self._svc_name_, ''))

        self.ReportServiceStatus(win32service.SERVICE_STOPPED)

    return

if __name__ == '__main__':

    # if called without argvs, let's run !

    if len(sys.argv) == 1:
        try:
        evtsrc_dll = os.path.abspath(servicemanager.__file__)
        servicemanager.PrepareToHostSingle(aservice)
        servicemanager.Initialize('aservice', evtsrc_dll)
            servicemanager.StartServiceCtrlDispatcher()
        except win32service.error, details:
            if details[0] ==
winerror.ERROR_FAILED_SERVICE_CONTROLLER_CONNECT:
                win32serviceutil.usage()
    else:
        win32serviceutil.HandleCommandLine(aservice)
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