autoinstall_pytorch_triton_sage.bat

@echo off
setlocal enabledelayedexpansion



REM === SETUP PATHS ===
set "ROOT=%CD%"
set "PYTHON=%ROOT%\ComfyUI_windows_portable\python_embeded\python.exe"
set "COMFY_DIR=%ROOT%\ComfyUI_windows_portable\ComfyUI"
set "UPDATE_DIR=%ROOT%\ComfyUI_windows_portable\update"



REM === CHECK PYTHON ===
if not exist "%PYTHON%" (
    echo [ERROR] Python not found at: %PYTHON%
    pause
    exit /b 1
)



REM === SHOW SYSTEM INFO ===
echo.
echo ======== ComfyUI Nightly Installer (Interactive) ========
echo.



REM Python version
for /f "delims=" %%i in ('%PYTHON% -c "import platform; print(platform.python_version())"') do set PYVER=%%i
echo [INFO] Python Version: %PYVER%



REM Pip version
for /f "delims=" %%i in ('%PYTHON% -s -m pip --version') do set PIPVER=%%i
echo [INFO] Pip Version: %PIPVER%



REM CPU Cores
for /f %%i in ('powershell -NoProfile -Command "[Environment]::ProcessorCount"') do set "CPU_CORES=%%i"
if not defined CPU_CORES set "CPU_CORES=16"
echo [INFO] Detected CPU cores: %CPU_CORES%



REM CUDA Version
for /f "tokens=5 delims= " %%A in ('nvcc --version ^| findstr /C:"release"') do (
    for /f "tokens=1 delims=," %%B in ("%%A") do set cuda_version=%%B
)
for /f "tokens=1 delims=." %%a in ("%cuda_version%") do set cuda_major=%%a
for /f "tokens=2 delims=." %%b in ("%cuda_version%") do set cuda_minor=%%b
set cuda_version=!cuda_major!.!cuda_minor!
set "CLEAN_CUDA=%cuda_version:.=%"
echo [INFO] Detected CUDA version: %cuda_version%

echo.
pause



REM === PROMPTS ===



REM Update pip and setuptools?
set UPDATE_PIP=false
echo.
set /p "inp=Do you want to update pip and set setuptools to 70.2.0? (y/n): "
if /i "!inp!"=="y" set UPDATE_PIP=true



REM Update ComfyUI?
set UPDATE_COMFY=false
echo.
set /p "inp=Do you want to update ComfyUI via Git? (y/n): "
if /i "!inp!"=="y" set UPDATE_COMFY=true



REM Create Launcher?
set MAKE_LAUNCHER=false
echo.
set /p "inp=Do you want to generate a launcher batch file for FP16+Sage? (y/n): "
if /i "!inp!"=="y" set MAKE_LAUNCHER=true



REM Install PyTorch?
set INSTALL_TORCH=false
set TORCH_NIGHTLY=false
set TORCH_MANUAL=false
echo.
echo [1] Install PyTorch Nightly Latest (auto)
echo [2] Install PyTorch Nightly manually (specify version)
echo [3] Install PyTorch Stable
echo [0] Skip PyTorch installation
set /p "torch_choice=Choose PyTorch install option: "

if "%torch_choice%"=="1" (
    set INSTALL_TORCH=true
    set TORCH_NIGHTLY=true
    set TORCH_MANUAL=false
) else if "%torch_choice%"=="2" (
    set INSTALL_TORCH=true
    set TORCH_NIGHTLY=true
    set TORCH_MANUAL=true
) else if "%torch_choice%"=="3" (
    set INSTALL_TORCH=true
    set TORCH_NIGHTLY=false
    set TORCH_MANUAL=false
)



REM Install Triton?
set INSTALL_TRITON=false
echo.
echo [1] Install Nightly Triton
echo [2] Install Stable Triton
echo [3] Install LeoMaxwell Triton
echo [0] Skip Triton
set /p "triton_choice=Choose Triton version: "
if not "!triton_choice!"=="0" set INSTALL_TRITON=true



REM Install SageAttention?
set INSTALL_SAGE=false
echo.
echo [1] Install SageAttention v1 (PyPI)
echo [2] Install SageAttention v2 (Build from GitHub)
echo [0] Skip SageAttention
set /p "sage_choice=Choose SageAttention version: "
if not "!sage_choice!"=="0" set INSTALL_SAGE=true



REM === RUN CHOSEN INSTALLS ===

cd /d "%UPDATE_DIR%"

if "%UPDATE_PIP%"=="true" (
    echo [INFO] Updating pip and installing setuptools==70.2.0
    %PYTHON% -s -m pip install --upgrade pip setuptools==70.2.0
)

if "%INSTALL_TORCH%"=="true" (
    echo [INFO] Uninstalling old Torch versions
    %PYTHON% -s -m pip uninstall -y torch torchvision torchaudio

    if "%TORCH_NIGHTLY%"=="true" (
        if "%TORCH_MANUAL%"=="true" (
            echo.
            echo [INFO] Manual Nightly Installation
            echo Visit the following URLs to find the latest compatible versions:
            echo   Torch:      https://download.pytorch.org/whl/nightly/cu!CLEAN_CUDA!/torch/
            echo   Torchaudio: https://download.pytorch.org/whl/nightly/cu!CLEAN_CUDA!/torchaudio/
            echo   Torchvision:https://download.pytorch.org/whl/nightly/cu!CLEAN_CUDA!/torchvision/
            echo.

            set /p "TORCH_VER=Enter base torch version (e.g. torch-2.9.0.dev20250715): "
            set /p "AUDIO_VER=Enter base torchaudio version (e.g. torchaudio-2.8.0.dev20250716): "
            set /p "VISION_VER=Enter base torchvision version (e.g. torchvision-0.24.0.dev20250716): "

            for /f "tokens=1,2 delims=." %%a in ("%PYVER%") do (
                set "TMP_PY_MAJ=%%a"
                set "TMP_PY_MIN=%%b"
            )

            set "PY_MAJ=!TMP_PY_MAJ!"
            set "PY_MIN=!TMP_PY_MIN!"
            set "PY_TAG=cp!PY_MAJ!!PY_MIN!-cp!PY_MAJ!!PY_MIN!"
            set "WHEEL_SUFFIX=%%2Bcu!CLEAN_CUDA!-!PY_TAG!-win_amd64.whl"

            set "TORCH_URL=https://download.pytorch.org/whl/nightly/cu!CLEAN_CUDA!/!TORCH_VER!!WHEEL_SUFFIX!"
            set "AUDIO_URL=https://download.pytorch.org/whl/nightly/cu!CLEAN_CUDA!/!AUDIO_VER!!WHEEL_SUFFIX!"
            set "VISION_URL=https://download.pytorch.org/whl/nightly/cu!CLEAN_CUDA!/!VISION_VER!!WHEEL_SUFFIX!"

            echo.
            echo [INFO] Installing manually specified wheels...
            echo   Torch:      !TORCH_URL!
            echo   Torchaudio: !AUDIO_URL!
            echo   Torchvision:!VISION_URL!

            %PYTHON% -s -m pip install "!TORCH_URL!" "!AUDIO_URL!" "!VISION_URL!"
        ) else (
            echo [INFO] Installing PyTorch Nightly for CUDA %CLEAN_CUDA%
            %PYTHON% -s -m pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu%CLEAN_CUDA%
        )
    ) else (
        echo [INFO] Installing PyTorch Stable for CUDA %CLEAN_CUDA%
        %PYTHON% -s -m pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu%CLEAN_CUDA%
    )
)

if "%INSTALL_TRITON%"=="true" (
    echo [INFO] Uninstalling old Triton versions
    %PYTHON% -s -m pip uninstall -y triton triton-windows

    if "%triton_choice%"=="1" (
        echo Installing Triton Nightly
        %PYTHON% -s -m pip install -U --pre triton-windows
    ) else if "%triton_choice%"=="2" (
        echo Installing Triton Stable
        %PYTHON% -s -m pip install triton-windows
    ) else if "%triton_choice%"=="3" (
        echo Installing LeoMaxwell Triton
        %PYTHON% -s -m pip install https://github.com/leomaxwell973/Triton-3.3.0-UPDATE_FROM_3.2.0_and_FIXED-Windows-Nvidia-Prebuilt/releases/download/3.3.0_cu128_Py312/triton-3.3.0-cp312-cp312-win_amd64.whl
    )
)

if "%INSTALL_SAGE%"=="true" (
    echo [INFO] Uninstalling old SageAttention versions
    %PYTHON% -s -m pip uninstall -y sageattention

    if "%sage_choice%"=="1" (
        echo Installing SageAttention v1
        %PYTHON% -s -m pip install sageattention==1.0.6
    ) else (
        echo Installing SageAttention v2 from source
        cd "%UPDATE_DIR%"
        git clone https://github.com/thu-ml/SageAttention
        cd SageAttention
        set MAX_JOBS=%CPU_CORES%
        %PYTHON% -s -m pip install .

        cd ..
        rmdir /s /q SageAttention
    )
)


if "%UPDATE_COMFY%"=="true" (
    echo Updating ComfyUI
    pushd "%COMFY_DIR%"
    git pull
    popd
)

echo Installing ComfyUI Manager if not exists
cd /d "%COMFY_DIR%\custom_nodes"
if not exist ComfyUI-Manager (
    git clone https://github.com/ltdrdata/ComfyUI-Manager.git
)

cd /d "%UPDATE_DIR%"
%PYTHON% update.py ..\ComfyUI\
if exist update_new.py (
    move /y update_new.py update.py
    %PYTHON% update.py ..\ComfyUI\ --skip_self_update
)

if "%MAKE_LAUNCHER%"=="true" (
    echo Creating run_comfyui_fp16fast_sage.bat
    set "LAUNCHER=%ROOT%\ComfyUI_windows_portable\run_comfyui_fp16fast_sage.bat"
    (
    echo call "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvars64.bat"
    echo .\python_embeded\python.exe -s ComfyUI\main.py --use-sage-attention --windows-standalone-build --fast fp16_accumulation --listen 0.0.0.0
    echo pause
    ) > "%LAUNCHER%"
)

echo.
echo All selected components installed. You may now run ComfyUI.
pause
exit /b