cpython/Lib/venv/scripts/nt/activate.bat

@echo off
set "VIRTUAL_ENV=__VENV_DIR__"

if not defined PROMPT (
    set "PROMPT=$P$G"
)

if defined _OLD_VIRTUAL_PROMPT (
    set "PROMPT=%_OLD_VIRTUAL_PROMPT%"
)

if defined _OLD_VIRTUAL_PYTHONHOME (
    set "PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%"
)

set "_OLD_VIRTUAL_PROMPT=%PROMPT%"
set "PROMPT=__VENV_PROMPT__%PROMPT%"

if defined PYTHONHOME (
    set "_OLD_VIRTUAL_PYTHONHOME=%PYTHONHOME%"
    set PYTHONHOME=
)

if defined _OLD_VIRTUAL_PATH (
    set "PATH=%_OLD_VIRTUAL_PATH%"
) else (
    set "_OLD_VIRTUAL_PATH=%PATH%"
)

set "PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH%"

:END