Multipy

Build and install multiple versions of python into a user-controlled prefix

Put the prefix' bin dir in your $PATH and have all python version within reach.

./multipy 3.9 3.10 3.11
PATH="$HOME/multipy/bin:$PATH"
command -v python3.11

Usage

multipy [PYTHON_VERSION...] - build and install multiple versions of python

PYTHON_VERSION denotes the version to build+install and may be one or more of
    (empty)          same as 'latest'
    latest           latest stable release (3.11)
    pre-release      latest pre-release (3.12)
    X                lastest release of that branch
    X.Y              lastest release of that branch
    X.Y.Z            exact release

Environment
    MULTIPY_PREFIX           where to install. default: $HOME/multipy

    CONFIGURE_ARGS           passed to './configure'
    MAKEJOBS                 passed to make, defaults to $(nproc)
    MAKE_BUILD_ARGS          passed to 'make'
    MAKE_INSTALL_ARGS        passed to 'make install'

    CC,CFLAGS and friends    as usual (it's autotools afterall)