Thank you Mark, I'm going to try... I haven't tried your demo yet. My code doesn't work with or without the command line change Best regards
Il giorno mar 6 giu 2023 alle ore 16:38 Mark Hammond < mhamm...@skippinet.com.au> ha scritto: > That error typically means your Python code raised an exception before the > service could be started. You probably need some way to track that down - > eg, some way to discover stdout/stderr from your service - win32traceutil > etc might help depending on how the service is configured. Does the demo > itself work? Does it work without the command-line mods? > > Mark > On 2023-06-06 9:57 a.m., Gualtiero Scotti wrote: > > Thank you Mark for your response, and your explanation.You are right, > python.exe is not involved but I thought you handled the flag in your > embedded calls.. > When I try to start service it doesn't start and the error message is: > > * Error starting service: The service did not respond to the start or > control request in a timely fashion.* > > _svc_name_ = 'XXXXXXXXXXXXXXX' _svc_display_name_ = 'XXXXXXXXXXXXXXXXXXX' > _svc_description_ > = 'SXXXXXXXXXXXXXXX' _exe_name_ = sys.executable _exe_args_ = '-X utf8 "' + > os.path.abspath(__file__) + '"' > > When I take a look to the service on Regedit I've the following situation: > ImagePath = *"C:\Program Files > (x86)\snapp-device-manager-win32\Python\python.exe" -X utf8 "C:\Program > Files (x86)\xxxxxxxxxxxxxx\winservice_launcher32.py"* > I can't find any logs about failure.... windows doesn't help me...... > [image: image.png] > > Thanks in advance for your availability. > Best regards > > Il giorno mar 6 giu 2023 alle ore 15:05 Mark Hammond < > mhamm...@skippinet.com.au> ha scritto: > >> pythonservice.exe doesn't "wrap" python.exe - it's a stand-alone >> executable which embeds Python. Thus there's no way to pass a cmd-line >> param to python.exe as python.exe isn't involved. You could patch >> pythonservice.exe to handle that arg, then do whatever it is python.exe >> does with that arg. >> >> If you told me more about what went wrong with using python.exe as the >> executable for the service we might be able to work something out there, >> but "doesn't work" has never been a useful starting point. >> >> Cheers, >> >> Mark >> On 2023-06-06 2:56 a.m., Gualtiero Scotti wrote: >> >> HI Mark and Hi all, >> as I wrote previously Mark's solution did not work for me. I need >> pythonsevice.exe is able to pass -X utf8 parameter to python interpreter or >> in alternative is able to evaluate evaluate the environment >> variable PYTHONUTF8=1. Any suggestions? >> Please help me. >> Thanks in advance >> >> >> Il giorno lun 5 giu 2023 alle ore 10:51 Gualtiero Scotti < >> tie...@gmail.com> ha scritto: >> >>> HI Mark, >>> I've tried your solution but it doesn't work. When calling python >>> directly, service fails to start. >>> When i use >>> #_exe_name_ = sys.executable #_exe_args_ = ' -X utf8 ' + '"' + >>> os.path.abspath(sys.argv[0]) + '"' >>> service are directly linked to my python app without using >>> pythonservice.exe. ( I saw this on Regedit) >>> >>> *As you wrote on your example:* >>> >>> >>> # This is an example of a service hosted by python.exe rather than >>> # pythonservice.exe. >>> >>> # *Note that it is very rare that using python.exe is a better option* >>> # than the default pythonservice.exe - the latter has better error >>> handling >>> # so that if Python itself can't be initialized or there are very early >>> # i*mport errors, you will get error details written to the event log*. >>> When >>> # using python.exe instead, you are forced to wait for the interpreter >>> startup >>> # and imports to succeed before you are able to effectively setup your >>> own >>> # error handling. >>> >>> >>> *# So in short, please make sure you *really* want to do this, otherwise >>> just # stick with the default.* >>> >>> I need to use pythonservice.exe but I don't understand how it wraps my >>> python application. Is there a way to tell to pythonservice.exe to call >>> python with some interpreter arguments? >>> Thanks in advance. >>> >>> >>> Il giorno gio 1 giu 2023 alle ore 17:05 Mark Hammond < >>> skippy.hamm...@gmail.com> ha scritto: >>> >>>> >>>> https://github.com/mhammond/pywin32/blob/main/win32/Demos/service/nativePipeTestService.py >>>> is a demo of using a service using python.exe and supports specifying the >>>> command-line, so that might be an option? >>>> >>>> Mark >>>> On 2023-06-01 5:28 a.m., Gualtiero Scotti wrote: >>>> >>>> Hi, I need to start my python application through windows service. For >>>> this purpose I use pywin32. >>>> I'm not able to make a Python instance to evaluate the -X uf8 flag. >>>> >>>> This flag must be passed during python invocation only and not when it >>>> is already started. >>>> After some investigations I've found the service launch >>>> *pythonservice.exe* wrapper but I don't know how to pass the flag to >>>> the Python interpreter. >>>> >>>> Is there another option to set this flag? It is possible to set an env >>>> variable *PYTHONUTF8=1 * but pythonservice.exe doesn't seem to >>>> evaluate it... >>>> >>>> *My environment* >>>> *- Windows 11 Home 22H2* >>>> *- Python 3.11.1* (tags/v3.11.1:a7a450f, Dec 6 2022, 19:43:28) [MSC >>>> v.1934 32 bit (Intel)] on win32 >>>> - *Pywin32 305* >>>> - *Pywin32-ctypes 0.2.0* >>>> >>>> *Python documentation* >>>> 4.7. UTF-8 mode¶ >>>> <https://docs.python.org/3/using/windows.html#utf-8-mode> >>>> >>>> New in version 3.7. >>>> >>>> Windows still uses legacy encodings for the system encoding (the ANSI >>>> Code Page). Python uses it for the default encoding of text files (e.g. >>>> locale.getencoding() >>>> <https://docs.python.org/3/library/locale.html#locale.getencoding>). >>>> >>>> This may cause issues because UTF-8 is widely used on the internet and >>>> most Unix systems, including WSL (Windows Subsystem for Linux). >>>> >>>> You can use the Python UTF-8 Mode >>>> <https://docs.python.org/3/library/os.html#utf8-mode> to change the >>>> default text encoding to UTF-8. You can enable the Python UTF-8 Mode >>>> <https://docs.python.org/3/library/os.html#utf8-mode> via the -X utf8 >>>> command >>>> line option, or the PYTHONUTF8=1 environment variable. See PYTHONUTF8 >>>> <https://docs.python.org/3/using/cmdline.html#envvar-PYTHONUTF8> for >>>> enabling UTF-8 mode, and Excursus: Setting environment variables >>>> <https://docs.python.org/3/using/windows.html#setting-envvars> for how >>>> to modify environment variables. >>>> >>>> When the Python UTF-8 Mode >>>> <https://docs.python.org/3/library/os.html#utf8-mode> is enabled, you >>>> can still use the system encoding (the ANSI Code Page) via the “mbcs” >>>> codec. >>>> >>>> Note that adding PYTHONUTF8=1 to the default environment variables >>>> will affect all Python 3.7+ applications on your system. If you have any >>>> Python 3.7+ applications which rely on the legacy system encoding, it is >>>> recommended to set the environment variable temporarily or use the -X >>>> utf8 command line option. >>>> >>>> Note >>>> >>>> >>>> Even when UTF-8 mode is disabled, Python uses UTF-8 by default on >>>> Windows for: >>>> >>>> - >>>> >>>> Console I/O including standard I/O (see *PEP 528* >>>> <https://peps.python.org/pep-0528/> for details). >>>> - >>>> >>>> The filesystem encoding >>>> >>>> <https://docs.python.org/3/glossary.html#term-filesystem-encoding-and-error-handler> >>>> (see *PEP 529* <https://peps.python.org/pep-0529/> for details). >>>> >>>> from -> https://docs.python.org/3/using/windows.html >>>> >>>> Please help me! >>>> Thanks in advance >>>> >>>> >>>> _______________________________________________ >>>> python-win32 mailing >>>> listpython-win32@python.orghttps://mail.python.org/mailman/listinfo/python-win32 >>>> >>>>
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