Add ensure_venv/2,3 for automatic venv creation and activation#13
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Add ensure_venv/2,3 for automatic venv creation and activation#13
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- ensure_venv(Path, RequirementsFile) creates venv if needed - Supports requirements.txt and pyproject.toml formats - Auto-detects uv or pip as installer - Options: extras, installer, python, force - Updated activate_venv to auto-detect site-packages directory (handles venv created with different Python version) - Added py_venv_SUITE with 7 tests
- sys.executable returns beam.smp when embedded - Use sys.prefix to find actual Python binary - Search for pythonX.Y, python3, python in prefix/bin
Avoid exec/eval pair that can fail in some environments. Use a single eval with lambda expression instead.
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Summary
ensure_venv/2,3to create venv if needed, install dependencies, and activaterequirements.txtandpyproject.tomlformatsuvorpipas installerextras,installer,python,forceactivate_venvto auto-detect site-packages directory (handles venv created with different Python version)py_venv_SUITEwith 7 tests