pyenv Virtual Enviroments (venv) - adeemacdowell/adeemacdowell.github.io GitHub Wiki

Install Instructions

sudo apt-get update

dependencies

sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev python-openssl

install pyenv

curl https://pyenv.run | bash

Preview your PATH

echo $PATH (see the path)

Load pyenv automatically by adding the following to ~/.bashrc:

export PATH="/home/adee/.pyenv/bin:$PATH"

eval "$(pyenv init -)"

eval "$(pyenv virtualenv-init -)"

open and close terminal

echo $PATH (see pyenv at start of path)

see versions

pyenv versions (lists the system version)

install another version

pyenv install 3.7.2

pyenv versions (see 2nd ver listed)

make the new ver the system ver

pyenv global 3.7.2

pyenv versions (see the * next to the new one)

Basic Commands

pyenv versions (show all versions of python available)

pyenv install x.x.x (add a version to pyenv)

pyenv update (get the latest py versions)

pyenv activate xxx (activate a virtual environment)

pyenv uninstall 2.7.15

pyenv global 3.6.8 (set the system python)

pyenv local x.x.x (set a python ver for a particular folder)

pyenv shell 3.8-dev (what ver to use in the shell)

pyenv virtualenv <python_version> <environment_name> (creates a venv)

pyenv local <environment_name> (switches to venv)

pyenv local system (exit a venv)

python --version (get py version of venv)

--version

*activate

commands

completions

deactivate

doctor

exec

*global

*help

hooks

init

*install

installer

*local

offline-installer

prefix

rehash

root

shell

shims

*uninstall

update

*version

version-file

version-file-read

version-file-write

version-name

version-origin

*versions

*virtualenv

virtualenv-delete

virtualenv-init

virtualenv-prefix

virtualenvs

whence

which

Pyenv and pycharm

from inside the new venv:

pip install pip-tools

pip-sync requirements/core.txt requirements/dev.txt

Install the new python version

$ pyenv install 3.9.9

$ deactivate

Create a new venv

$ pyenv virtualenv 3.9.9 venv399

Make sure it created, look here

usr/adee/.pyenv/versions

In pycharm, create a new venv and point the 'base interperator' to python in the new venv:

usr/adee/.pyenv/versions/venv399/bin/python38

Make sure the venv in pycharm is named the same as the new venv

Switch to the new venv and run pip freeze