pyenv-register is a pyenv plugin to use existing python installations
Installing versions of python with pyenv install usually takes longer than using system package management tools (like apt-get, yum, brew or spack); and there are other considerations.
pyenv-register imports already installed python to pyenv environment; it works by creating a virtual environment for that installation and pointing pyenv to it.
This fork will by default use the built-in venv python module unless told explicitly to use virtualenv by using the -m virtualenv option.
When directed to use virtualenv, it will use python's pip module to install it if it's not installed already.
$ git clone https://github.com/hell-pl/pyenv-register.git $(pyenv root)/plugins/pyenv-register
$ exec "$SHELL"
$ sudo apt-get install -y python3.3 # install by package management system
$ /usr/bin/python3.3 --version
Python 3.3.2+
$ pyenv register /usr/bin/python3.3
$ pyenv versions
* system (set by /home/xxxx/.pyenv/version)
system-3.3.2
An environment named system-x.x.x will be created.
The environment contains system installed libraries.
$ sudo apt-get install -y python3-lxml
$ pyenv register /usr/bin/python3.3
$ pyenv shell system-3.3.2
$ pip freeze | grep lxml
lxml==3.2.0
$ pyenv register -m virtualenv \
$(brew --prefix)/opt/python3.10/bin/python3.10 \
[email protected]
Registering /home/linuxbrew/.linuxbrew/opt/[email protected]/bin/python3.10 =>
/home/miroslaw/.pyenv/versions/[email protected]
created virtual environment CPython3.10.5.final.0-64 in 160ms
[output abbreviated]
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