Create a new Python virtual environment/ pyenv cheat sheet

With:

• pyenv

See Managing Multiple Python Versions With pyenv for info on installing multiple versions of Python.

When you need a new virtual environment with a specific Python version, you need to specify the path to that version of Python. With pyenv, it took me a second to figure that out.

Run pyenv which python to get the current version of Python, and by extension, your pyenv path

$ pyenv which python 
/Users/lacey/.pyenv/versions/3.7.6/bin/python

Move on with your life!

# Create a new virtual env
pyenv virtualenv <python_version> <environment_name>

# Activate the venv
pyenv activate <environment_name>

# Deactivate the vent
pyenv deactivate 

If you're not sure which Python versions you have available to you, run

$ pyenv versions

And you will see a list of Python versions you have installed.

If you want to see which Python versions you can install, run

$ pyenv install -l 

To install a version, run:

$ pyenv install {version}