PEP 486 – Make the Python Launcher aware of virtual environments (2015)

1. python-launcher

   1 4 610 6.9 Rust

   Python launcher for Unix

   

   Huh. Come to think of it, when I was on Windows (through 2021) I got used to using `python` rather than `py` while using venvs, even though it was apparently no longer necessary after I upgraded from Python 3.4. This announcement totally missed me. But also it was easier to internalize "always use venvs, and always run `python`, and that way you won't have to change the instructions for Linux/Mac". And that worked out beautifully.

   But the launcher does have value. Mainly because of how Windows handles the PATH and how it wants C:\Program Files to be organized; but there are enough fringe benefits that a core dev wants to bring it to Linux/Mac too (https://github.com/brettcannon/python-launcher).

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3. CPython

   2 1,488 66,455 10.0 Python

   The Python programming language

   

   https://github.com/python/cpython/issues/74813

4. pip

   3 118 9,764 9.8 Python

   The Python package installer

   

   > When was the -E flag removed from pip and why?

   Though `pip install --python=... pkg` won't work ( https://github.com/pypa/pip/pull/12068 ),

   Now, there's

     pip --python=$VIRTUAL_ENV/bin/python install pkg

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