[python-win32] Runnin Python app as service with separateconsole

[Michael Li]

Hi, Mark

Thank you very much.
Now my python server works perfectly by adding
signal handler to intercept CTRL_LOGOFF_EVENT.

Best regards.
Michael Li



Michael Li wrote:
> Hi, Mark
> 
> Thank you very much.
> I will try it.
> 
> Best regards.
> Michael Li
> 
> Mark Hammond wrote:
> 
>> Your process is probably seeing the CTRL_LOGOFF_EVENT.
>> win32api.SetConsoleCtrlHandler will let you write a handler that 
>> ignores the
>> event.
>>
>> Mark
>>
>>
>>> -----Original Message-----
>>> From: Michael Li [mailto:mli at deform.com]
>>> Sent: Wednesday, 12 April 2006 9:03 AM
>>> To: Mark Hammond
>>> Cc: mli
>>> Subject: Re: [python-win32] Runnin Python app as service with
>>> separateconsole
>>>
>>>
>>> Hi, Mark
>>>
>>> Thank you very much.
>>>
>>>
>>> See my answers below.
>>>
>>> Mark Hammond wrote:
>>>
>>>>> "install_3d_app_service.cpp" is a program to install
>>>>> sftc3win.exe(sftc_3d_app_service.cpp)
>>>>> into a Windows' service. Inside sftc_3d_app_service.cpp, it will spawn
>>>>> "python".
>>>>> After reboot the machine, no problem, everything works fine, please 
>>>>> see
>>>>> attached
>>>>> picture python_running.JPG. The problem is that after I log off, the
>>>>> "python" has gone.
>>>>
>>>>
>>>>
>>>> I'm afraid you don't mention what this spawned Python is supposed to 
>>>> do.
>>>
>>>
>>> The spawned Python(using Twisted framework) runs 24X7 and
>>> when receives a request and spawn another command to run.
>>> I can my python scripts from DOS window, something like:
>>> C:\python23\python.exe my_server.py -3 --pid=pid.file --slog=log.file
>>> >run_log.file
>>>
>>>
>>>> Regardless though, it appears that exe is terminating, probably
>>>
>>>
>>> due to an
>>>
>>>> exception.  You need to arrange to see the output of this process to 
>>>> see
>>>> what went wrong.
>>>
>>>
>>> The python.exe is terminated only after log off any account.
>>> How do I debug/see the output of this process ?
>>>
>>>
>>>> If it is your .cpp implemented service that vanishes, then I've
>>>
>>>
>>> no idea what
>>>
>>>> it could be.
>>>
>>>
>>> sftc3win.exe(sftc_3d_app_service.cpp) will spawn
>>> "C:\python23\python.exe my_server.py -3 --pid=pid.file --slog=log.file
>>> >run_log.file"
>>>
>>> sftc3win.exe never vanishes. only python.exe vanished after log in/off
>>> any account.
>>>
>>> From attached picture python_running.JPG,
>>> you can see python.exe and sftc3win.exe are running as "SYSTEM".
>>>
>>>
>>>
>>>>
>>>>> Even if I log in as a non-administrative account, I log off, then the
>>>>> "python" has gone,
>>>>> even I am in the session of non-administrative account, I can not
>>>>> terminate(End Process)
>>>>> the "python" process. I am totally confused by this.
>>>>
>>>>
>>>>
>>>> It is normal (but frustrating) you can't kill it as the service
>>>
>>>
>>> is running
>>>
>>>> as LocalSystem.  You may have more luck setting it to run as your user.
>>>
>>>
>>> No, I do not want to kill the process. I want to prove that
>>> in the session of non-administrative account, you can not kill it,
>>> then how could "log off" kill it ?
>>>
>>>
>>>> I'm a little confused though, as you seem to say the problem is that 
>>>> the
>>>> python process has gone - but here you are failing to kill it.
>>>>
>>>>
>>>>
>>>>> I also can use Windows' Scheduled Tasks to add a task as "At System
>>>>> startup", I can run
>>>>> it as a service, but after I log in/log off any account, the "python"
>>>>> service has gone.
>>>>
>>>>
>>>>
>>>> The service (implemented in .cpp) has gone, or the child python
>>>
>>>
>>> executable?
>>> The service (implemented in .cpp) stays there always, only child
>>> python executable has gone.
>>>
>>>
>>>> Same answer as above though...
>>>>
>>>> Mark
>>>>
>>>
>>> From attached project file(VC6), you can build 
>>> ins3apse.exe/sftc3win.exe,
>>> this ins3apse.exe will install sftc3win.exe as a service,
>>> when a computer reboots, it will start the python.exe,
>>> until now, everything works fine. when I log in any account,
>>> no problem, everything works fine. Only after I log off any account,
>>> "python.exe" has gone.
>>>
>>>
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>>
>>
> 

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