mod: Add post installation fix of OpenCV pathes instead of hot fixing at each run

innosetup.iss

@@ -69,6 +69,7 @@ Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{
 
 [Run]
 Filename: "{tmp}\vc_redist.x64.exe"; StatusMsg: "Installing Visual C++ Redistributable Packages for Visual Studio 2019"; Parameters: "/quiet"; Check: VC2019RedistNeedsInstall ; Flags: waituntilterminated
+Filename: "{app}\patchOpenCV.bat"; StatusMsg: "Patching OpenCV"; Parameters: "/quiet"; Flags: waituntilterminated
 Filename: "{app}\console.bat"; Description: {cm:LaunchProgram,ODM Console}; Flags: nowait postinstall skipifsilent
 
 [Code]

patchOpenCV.bat

@@ -0,0 +1,13 @@
+set ODMBASE=%~dp0
+set VIRTUAL_ENV=%ODMBASE%venv
+set PYENVCFG=%VIRTUAL_ENV%\pyvenv.cfg
+
+rem Hot-patching pyvenv.cfg
+echo home = %ODMBASE%venv\Scripts> "%PYENVCFG%"
+echo include-system-site-packages = false>> "%PYENVCFG%"
+
+rem Hot-patching cv2 extension configs
+echo BINARIES_PATHS = [r"%SBBIN%"] + BINARIES_PATHS> venv\Lib\site-packages\cv2\config.py
+echo PYTHON_EXTENSIONS_PATHS = [r'''%VIRTUAL_ENV%\lib\site-packages\cv2\python-3.8'''] + PYTHON_EXTENSIONS_PATHS> venv\Lib\site-packages\cv2\config-3.8.py
+
+cls