pyenv-register is a pyenv plugin to use system installed Python.
Installing versions of python pyenv install takes longer time
than package management of system (like apt-get, yum).
pyenv-register import system installed python to pyenv environment.
$ git clone https://github.com/doloopwhile/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
A envrionment 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
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