Re: How to enable pywin to evaluate -X utf8 flag

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
> *
> *
>
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