WinError 193 during building with Python 3.12

[gryznar]

Description

Building app using Python 3.12 results in crash. On Python 3.11 problem does not occur

Code example to reproduce the issue:

flet build windows

Describe the results you received:

Describe the results you expected:

It should work

Additional information you deem important (e.g. issue happens only occasionally):

Flet version:

0.19

Operating system:

Windows 11

[FeodorFitsner]

Please provide the log of flet build windows -vv.

[gryznar]

Output with this flag is the same as on attached screenshot

Please provide the log of flet build windows -vv.

[FeodorFitsner]

It shouldn't be the same.

[gryznar]

They ma be small differences:

[FeodorFitsner]

Do you have dart.file and flutter.file files in flutter's bin directory?

[gryznar]

This is the content of flutter\bin:

flutter and dart commands works

[FeodorFitsner]

Do you have 32- or 64-bit version of Python installed?

python -c "import sys; print(sys. maxsize > 2**32)"

The command will return True if Python is running in 64-bit and False if it's running in 32-bit.

[gryznar]

64 bit

[FeodorFitsner]

OK, could you give the output of this command:

python -c "import shutil; print(shutil.which('flutter'))"

[gryznar]

[FeodorFitsner]

Thank you. Finally, what is the path returned by this:

python -c "import os; print(os.getenv('ComSpec'))"

[gryznar]

C:\WINDOWS\system32\cmd.exe

I have also PowerShell 7 installed

[FeodorFitsner]

...and can the error be reproduced with this command?

python -c "import shutil, subprocess; f = shutil.which('flutter'); subprocess.run([f, '--version'])"

[gryznar]

Yeap, it could

...and can the error be reproduced with this command?

python -c "import shutil, subprocess; f = shutil.which('flutter'); subprocess.run([f, '--version'])"

[FeodorFitsner]

What is the full path to python.exe?

...I don't know if it's easy for you to test, but I'm wondering if flet build windows works well on your system with Python 3.11?

[gryznar]

C:\Users\xxx\pypoetry\Cache\virtualenvs\app-XYKQrPPX-py3.12\Scripts\python.exe (poetry)

3.11 breaks later during building:

These earlier stages connected with packaging works OK:

[FeodorFitsner]

So, flet dependency was installed with Poetry? What is flet command location?

[gryznar]

So, flet dependency was installed with Poetry? What is flet command location?

Exactly. But the same settings (poetry used for 3.11) works. flet.exe is located under:

[FeodorFitsner]

OK, so it's Python 3.12 specific error. Will investigate.

[gryznar]

OK, so it's Python 3.12 specific error. Will investigate.

Thank you!

[FeodorFitsner]

Re: cmake/nuget error - try this solution: bluefireteam/audioplayers#1615 (comment)

[FeodorFitsner]

Btw, when you paste screenshots into issue instead of text it's a) impossible to copy/paste to google - I have to retype everything by hands and b) the contents of this issue is not indexed by search engines, so other users won't find the issue/solution.

[gryznar]

Oh, I see, sorry! Next time I wold provide just text

[FeodorFitsner]

So, did you fix nuget sources?

[gryznar]

So, did you fix nuget sources?

Unfortunately not. I am searching for solution

Edit: I've found it (source: Baseflow/flutter-permission-handler#819 (comment))! This was really strange. I've never used nuget before. It occurred, that my nuget.confid was messed up.

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageSources>
  </packageSources>
</configuration>

<packageSources> entry hasn't include nuget.org. Changing this to:

<packageSources>
  <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
</packageSources>

solved the problem. But still, this is strange, that default configuration is not set properly

Edit 2: Yet another error:

C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: Polecenie "setlocal   
[C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: "C:\Program Files     
(x86)\Microsoft Visual Studio\2022\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe" -DBUILD_TYPE=Release -P cmake_install.cmake 
[C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: if %errorlevel% neq 0 
goto :cmEnd [C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: :cmEnd
[C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: endlocal & call       
:cmErrorLevel %errorlevel% & goto :cmDone [C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: :cmErrorLevel
[C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: exit /b %1
[C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: :cmDone
[C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: if %errorlevel% neq 0 
goto :VCEnd [C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Microsoft\VC\v170\Microsoft.CppCommon.targets(166,5): error MSB3073: :VCEnd" zosta�o       
zako�czone przez kod 1. [C:\Users\xxx\AppData\Local\Temp\flet_flutter_build_jofoQQyxFB\build\windows\x64\INSTALL.vcxproj]
Build process failed.

[gryznar]

OK, so it's Python 3.12 specific error. Will investigate.

Only Python 3.12 related. Using pip instead of poetry does not change anything

[david-shu]

This is the content of flutter\bin:

flutter and dart commands works

flutter and flutter.bat exists together and shutil.which('flutter') return flutterwhich is not executable on windows. rename or remove file flutter and dart

[gryznar]

This is the content of flutter\bin:
flutter and dart commands works

flutter and flutter.bat exists together and shutil.which('flutter') return flutterwhich is not executable on windows. rename or remove file flutter and dart

Indeed! This was bug related only to Python 3.12.0. 3.12.1 has fixed that. Closing

[gryznar]

Unfortunatelly, this is not finish with problems in my journey, but it's a topic on another issue