launch.bat

@echo off
setlocal ENABLEDELAYEDEXPANSION

REM === Config ===
set "VENV_DIR=.venv"
set "REQS=requirements.txt"

REM === Args ===
REM   --no-activate  -> skip activation at the end
set "AUTO_ACTIVATE=1"
if /i "%~1"=="--no-activate" set "AUTO_ACTIVATE=0"

REM === Move to this script's directory ===
cd /d "%~dp0"

REM === Locate Python (try 'py' then 'python') ===
set "PY="
where py >nul 2>&1 && set "PY=py"
if not defined PY (
    where python >nul 2>&1 && set "PY=python"
)
if not defined PY (
    echo [ERROR] Python not found. Install Python 3.x and ensure it's on PATH.
    exit /b 1
)

REM === Create venv if missing ===
if not exist "%VENV_DIR%\Scripts\python.exe" (
    echo [INFO] Creating virtual environment in "%VENV_DIR%" ...
    %PY% -3 -m venv "%VENV_DIR%" 2>nul || %PY% -m venv "%VENV_DIR%"
    if errorlevel 1 (
        echo [ERROR] Failed to create virtual environment.
        exit /b 1
    )
) else (
    echo [INFO] Using existing virtual environment: "%VENV_DIR%"
)

REM === Use venv's Python directly (no activation needed for installs) ===
set "VPY=%VENV_DIR%\Scripts\python.exe"

REM === Upgrade pip ===
echo [INFO] Upgrading pip ...
"%VPY%" -m pip install --upgrade pip
if errorlevel 1 (
    echo [WARN] pip upgrade reported an error. Continuing...
)

REM === Install requirements or fallback to xlwings ===
if exist "%REQS%" (
    echo [INFO] Installing packages from "%REQS%" ...
    "%VPY%" -m pip install -r "%REQS%"
) else (
    echo [INFO] "%REQS%" not found. Installing 'xlwings' only ...
    "%VPY%" -m pip install xlwings
)

REM === Ensure spaCy is installed in the venv ===
set "SPACY_READY=1"
"%VPY%" -c "import importlib.util, sys; sys.exit(0 if importlib.util.find_spec('spacy') else 1)"
if errorlevel 1 (
    echo [INFO] Installing spaCy package ...
    "%VPY%" -m pip install spacy
    if errorlevel 1 (
        echo [WARN] Failed to install spaCy. Skipping spaCy model downloads.
        set "SPACY_READY=0"
    )
)

REM === Ensure spaCy Polish models are available (skip if already installed) ===
if "%SPACY_READY%"=="1" (
    for %%M in (pl_core_news_sm pl_core_news_md pl_core_news_lg) do (
        "%VPY%" -c "import importlib.util, sys; sys.exit(0 if importlib.util.find_spec('%%M') else 1)"
        if errorlevel 1 (
            echo [INFO] Installing spaCy model: %%M ...
            "%VPY%" -m spacy download %%M
            if errorlevel 1 (
                echo [WARN] Failed to install spaCy model %%M. You can retry with:
                echo     "%VPY%" -m spacy download %%M
            )
        ) else (
            echo [INFO] spaCy model %%M already installed. Skipping.
        )
    )
) else (
    echo [WARN] spaCy not available; skipping model downloads.
)

REM === ... everything above stays the same up to the echo line ===

echo.

REM Decide whether to activate
if "%AUTO_ACTIVATE%"=="1" goto :do_activate

echo [DONE] Environment ready.
echo To activate later in this shell, run:
echo     %VENV_DIR%\Scripts\activate
echo.
endlocal
goto :eof

:do_activate
REM Build absolute path to the activate script using the script's folder
set "ACT=%~dp0%VENV_DIR%\Scripts\activate.bat"

if not exist "%ACT%" (
    echo [ERROR] Activate script not found: "%ACT%"
    echo [HINT] Check VENV_DIR or that the venv was created successfully.
    endlocal
    goto :eof
)

echo [INFO] Activating virtual environment in this shell...
REM IMPORTANT: endlocal first, then call activation so env changes persist
endlocal & call "%ACT%" & echo [DONE] Activated "%VENV_DIR%". & goto :eof