catarrh/simple
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setup: recreate an incomplete .venv instead of activating it

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A failed venv creation (e.g. the Debian/Ubuntu python3-venv package
missing) left the .venv directory behind; the next run saw it, skipped
creation and failed to source/activate a venv without activate/pip.
setup.sh now validates bin/activate, bin/python and bin/pip, removes an
incomplete directory and creates it again; a creation failure removes the
partial directory and names the venv package.  setup.bat does the same
with Scripts\activate.bat/python.exe/pip.exe and !errorlevel!.

READMEs (prerequisites + scripts table), CHANGELOG (folded into the
unreleased 3.38.1) and AGENTS updated.

Tests: tests/test_setup_scripts.py (5: the shell/bat source pins and
bash -n).  1088 Python + 1075 frontend.
This commit is contained in:
catarrh committed 2026-10-25 00:42:36 +03:00
1 parent a269f8bd2e
commit 2ecf7bb45c
6 files changed
+116 -5
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setup.bat
+26 -1
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@@ -34,10 +34,35 @@ echo Found Git
git --version
echo.
REM Create venv
REM Create the venv. A failed creation leaves a partial .venv behind: remove
REM it so the next run starts over (v3.38.1).
set "VENV_OK="
if exist "%VENV_DIR%" (
set "VENV_OK=1"
if not exist "%VENV_DIR%\Scripts\activate.bat" set "VENV_OK="
if not exist "%VENV_DIR%\Scripts\python.exe" set "VENV_OK="
if not exist "%VENV_DIR%\Scripts\pip.exe" set "VENV_OK="
if not defined VENV_OK (
echo Removing an incomplete virtual environment (a previous setup did not finish)...
rmdir /s /q "%VENV_DIR%"
)
)
if not exist "%VENV_DIR%" (
echo Creating virtual environment...
python -m venv "%VENV_DIR%"
if !errorlevel! neq 0 (
if exist "%VENV_DIR%" rmdir /s /q "%VENV_DIR%"
echo Error: could not create the virtual environment.
echo Make sure the Python installation includes venv and pip.
echo Run the Python installer, choose Modify, enable pip/venv, then run setup.bat again.
pause
exit /b 1
)
)
if not exist "%VENV_DIR%\Scripts\activate.bat" (
echo Error: the virtual environment has no Scripts\activate.bat.
pause
exit /b 1
)
call "%VENV_DIR%\Scripts\activate.bat"