@ECHO OFF
SETLOCAL ENABLEDELAYEDEXPANSION

SET "tmpFile=%TEMP%\~na.py"

CALL :getLine "::python_beg" "::python_end" > "!tmpFile!"

:: Install dependencies
python -m pip install pyautogui >NUL

:: Run the program
PowerShell -Command "Start-Process cmd -Argument '/c START /B python !tmpFile!' -WindowStyle hidden"
EXIT /B

:getLine <beg str> <end str>
  SET "bBegEnd=0"
  FOR /F "usebackq delims=" %%i IN ("%~f0") do (
    IF !bBegEnd! EQU 1 (
      IF "%%i" EQU "%~2" ( EXIT /B )
      SETLOCAL DISABLEDELAYEDEXPANSION
      ECHO %%i
      ENDLOCAL
    ) ELSE (
      IF "%%i" EQU "%~1" ( SET "bBegEnd=1" )
    )
  )

ENDLOCAL
EXIT /B