gh-110548: modernize venv EnvBuilder example #144745
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… ez_setup.py Replace the deprecated ez_setup.py-based setuptools installation example with a modern approach using pip (which is already bootstrapped via ensurepip since Python 3.4). The old example relied on downloading ez_setup.py from bootstrap.pypa.io to install setuptools, which has been deprecated since 2014. The new example demonstrates a cleaner pattern for extending EnvBuilder to pre-install packages using pip subprocess calls.
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ez_setup.py/setuptoolsfrom venv's EnvBuilder example #110548Summary
Modernizes the
venv.EnvBuilderexample inDoc/library/venv.rst.The existing example used
ez_setup.pyto install setuptools andget-pip.pyto install pip — both approaches are long deprecated. Theez_setup.pyURL in the example has been dead since 2016.Changes
ez_setup.py+get-pip.pyapproach with a modern pattern usingsubprocess.runto callpip installinstall_setuptools(),install_pip(),install_script(),reader()ExtendedEnvBuilderto accept apackagesargument--packagesinstead of--setuptools/--pipwith_pip=TrueinEnvBuilder.__init__()since pip is now bootstrapped viaensurepipTesting
📚 Documentation preview 📚: https://cpython-previews--144745.org.readthedocs.build/