Upload install_sageattn2.bat

runscripts/install_sageattn2.bat

@@ -1,15 +1,58 @@
 @ECHO OFF
 CALL environment.bat passive
+
 ECHO # SageAttention2 install script
 ECHO.
 ECHO This will install Triton and SageAttention 2.2.0 into the Python environment. 
 ECHO An Internet connection is required to download the necessary components.
 PAUSE
 
+set SAGEATTN_CU128_WHL=https://github.com/woct0rdho/SageAttention/releases/download/v2.2.0-windows.post4/sageattention-2.2.0+cu128torch2.9.0andhigher.post4-cp39-abi3-win_amd64.whl
+set SAGEATTN_CU130_WHL=https://github.com/woct0rdho/SageAttention/releases/download/v2.2.0-windows.post4/sageattention-2.2.0+cu130torch2.9.0andhigher.post4-cp39-abi3-win_amd64.whl
 set PYTHONUTF8=1
 set PYTHONIOENCODING=utf-8
 set PYTHON=python_embeded\python.exe
 
+for /f "tokens=1,2" %%A in ('%PYTHON% -s -m pip list') do (
+    if "%%A"=="torch" (
+        set TORCH_VERSION=%%B
+    )
+)
+
+if not defined TORCH_VERSION (
+    ECHO ERROR: PyTorch is not installed in this Python environment.
+    ECHO Aborting.
+    PAUSE
+    EXIT /B 1
+)
+
+echo %TORCH_VERSION% | findstr /i "+cu128" >nul
+if %errorlevel%==0 (
+    set TORCH_CUDA=cu128
+    set SAGEATTN_WHL=%SAGEATTN_CU128_WHL%
+    goto :cuda_ok
+)
+
+echo %TORCH_VERSION% | findstr /i "+cu130" >nul
+if %errorlevel%==0 (
+    set TORCH_CUDA=cu130
+    set SAGEATTN_WHL=%SAGEATTN_CU130_WHL%
+    goto :cuda_ok
+)
+
+ECHO.
+ECHO ERROR: Unsupported CUDA build detected.
+ECHO Torch reports: %TORCH_VERSION%
+ECHO Supported builds: cu128 or cu130 only.
+ECHO Aborting before installation.
+PAUSE
+EXIT /B 1
+
+:cuda_ok
+ECHO.
+ECHO CUDA build detected: %TORCH_CUDA%
+ECHO Using SageAttention package: %SAGEATTN_WHL%
+
 ECHO.
 ECHO ### Installing Visual Studio Build Tools.
 ECHO If you already have a compatible version, the update will read "Installer failed with exit code: 1". This is normal!
@@ -20,15 +63,25 @@ ECHO.
 ECHO ### Installing Triton
 ECHO =====================
 %PYTHON% -s -m pip install triton-windows
+if errorlevel 1 (
+    ECHO ERROR: Triton installation failed.
+    PAUSE
+    EXIT /B 1
+)
 
 ECHO.
 ECHO ### Installing SageAttention
-ECHO ============================
-%PYTHON% -s -m pip install .\attnfiles\sageattention-2.2.0+cu128torch2.9.0.post3-cp39-abi3-win_amd64.whl
+ECHO ============================ 
+%PYTHON% -s -m pip install %SAGEATTN_WHL%
+if errorlevel 1 (
+    ECHO ERROR: SageAttention installation failed.
+    PAUSE
+    EXIT /B 1
+)
 
 ECHO Runnning test script ...
 ECHO.
-%PYTHON% .\attnfiles\test_sageattn.py
+%PYTHON% .\python_embeded\test_sageattn.py
 
 ECHO.
 ECHO Installation complete ...