installation script release

install.bat

@@ -0,0 +1,116 @@
+@echo off
+REM ==========================================================
+REM  MRI physics based augmentation - Windows one-click setup
+REM  - Installs Python 3.12.10 via winget (if missing)
+REM  - Creates venv .venv
+REM  - Installs requirements
+REM  - Runs Streamlit app
+REM ==========================================================
+
+SETLOCAL ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION
+
+SET PY_REQ_VER=3.12
+SET PY_FULL_VER=3.12.10
+SET APP_PORT=8501
+
+ECHO.
+ECHO [INFO] Working directory: %CD%
+
+REM --- Step 1: Check Python 3.12 availability ---
+SET "PYCMD="
+py -%PY_REQ_VER% -V >NUL 2>&1
+IF %ERRORLEVEL%==0 (
+  SET "PYCMD=py -%PY_REQ_VER%"
+) ELSE (
+  FOR /F "tokens=2 delims= " %%v IN ('python -V 2^>NUL') DO SET "PYV=%%v"
+  ECHO !PYV! | FINDSTR /B "%PY_REQ_VER%" >NUL 2>&1
+  IF !ERRORLEVEL!==0 SET "PYCMD=python"
+)
+
+IF "%PYCMD%"=="" (
+  ECHO [WARN] Python %PY_REQ_VER% not found. Trying to install %PY_FULL_VER% via winget...
+  winget --version >NUL 2>&1
+  IF ERRORLEVEL 1 (
+    ECHO [ERROR] winget is not available. Please install Python %PY_FULL_VER% from:
+    ECHO         https://www.python.org/downloads/windows/
+    ECHO         Then re-run this script.
+    PAUSE
+    EXIT /B 1
+  )
+  winget install -e --id Python.Python.3.12 --version %PY_FULL_VER% --scope user --silent
+  IF ERRORLEVEL 1 (
+    ECHO [ERROR] winget failed to install Python %PY_FULL_VER%. Install manually and re-run.
+    PAUSE
+    EXIT /B 1
+  )
+  REM Try again after install
+  py -%PY_REQ_VER% -V >NUL 2>&1 && SET "PYCMD=py -%PY_REQ_VER%"
+  IF "%PYCMD%"=="" (
+    python -V 2>NUL | FIND "Python %PY_REQ_VER%" >NUL && SET "PYCMD=python"
+  )
+)
+
+IF "%PYCMD%"=="" (
+  ECHO [ERROR] Python %PY_REQ_VER% still not available in PATH. Close/reopen this window and run again.
+  PAUSE
+  EXIT /B 1
+) ELSE (
+  ECHO [INFO] Using Python command: %PYCMD%
+)
+
+REM --- Step 2: Create virtual environment ---
+IF NOT EXIST .venv (
+  ECHO [INFO] Creating virtual environment (.venv)
+  %PYCMD% -m venv .venv
+  IF ERRORLEVEL 1 (
+    ECHO [ERROR] Failed to create virtual environment.
+    PAUSE
+    EXIT /B 1
+  )
+) ELSE (
+  ECHO [INFO] Virtual environment already exists (.venv)
+)
+
+REM --- Step 3: Activate venv ---
+IF NOT EXIST .venv\Scripts\activate.bat (
+  ECHO [ERROR] Activation script not found: .venv\Scripts\activate.bat
+  PAUSE
+  EXIT /B 1
+)
+CALL .venv\Scripts\activate
+
+REM --- Step 4: Ensure requirements.txt ---
+IF NOT EXIST requirements.txt (
+  ECHO [INFO] Creating requirements.txt
+  > requirements.txt ECHO streamlit==1.37.0
+  >>requirements.txt ECHO pillow>=10.3.0
+  >>requirements.txt ECHO numpy>=1.26.4
+  >>requirements.txt ECHO pydicom>=2.4.4
+  >>requirements.txt ECHO nibabel>=5.2.1
+)
+
+REM --- Step 5: Upgrade pip and install deps ---
+python -m pip install --upgrade pip
+IF ERRORLEVEL 1 ECHO [WARN] pip upgrade failed, continuing...
+
+pip install -r requirements.txt
+IF ERRORLEVEL 1 (
+  ECHO [ERROR] Failed to install dependencies from requirements.txt
+  PAUSE
+  EXIT /B 1
+)
+
+REM --- Step 6: Create assets folder (optional) ---
+IF NOT EXIST assets (
+  ECHO [INFO] Creating assets folder
+  mkdir assets >NUL 2>&1
+)
+
+REM --- Step 7: Run the app ---
+ECHO.
+ECHO [INFO] Launching app on port %APP_PORT% ...
+streamlit run app.py --server.port %APP_PORT%
+
+ECHO.
+ECHO [INFO] Streamlit exited. Press any key to close this window.
+PAUSE