pyenv_usage.md

THE FOUNDER’S GUIDE:

How to Install and Manage Multiple Python Versions on Linux

-- Install Git:

$ sudo apt-get install --yes git

--Clone the Pyenv Repository:

$ git clone https://github.com/pyenv/pyenv.git ~/.pyenv

-- Open the Bash Configuration File:

$ gedit .bashrc

-- Edit the Bash Configuration File:

Copy the code from below these instructions

Paste the code into Text Editor

Click “Save”

'''

Pyenv environment variables

export PYENV_ROOT="$HOME/.pyenv" export PATH="$PYENV_ROOT/bin:$PATH"

Pyenv initialization

if command -v pyenv 1>/dev/null 2>&1; then eval "$(pyenv init --path)" fi ''' -- Restart Bash:

$ exec $SHELL

-- Update the Source List and Source List Directory:

$ sudo apt-get update --yes

-- Install the Pyenv Dependencies:

$ sudo apt-get install --yes libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev llvm libncurses5-dev libncursesw5-dev xz-utils tk-dev libgdbm-dev lzma lzma-dev tcl-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev wget curl make build-essential python-openssl

-- View the Python Versions:

$ pyenv install --list ''' Find the version from below these instructions Copy the provided command Paste the command into Terminal Press “Enter” Repeat Python 3.5: pyenv install 3.5.4 Python 3.6: pyenv install 3.6.8 Python 3.7: pyenv install 3.7.9 Python 3.8: pyenv install 3.8.6 Python 3.9: pyenv install 3.9.0 ''' -- Set the Default Version for the Computer:

$ pyenv global 3.8.6

-- Set the Default Version for the Directory:

$ pyenv local 3.6.8

-- Check the Default Version:

$ python --version

-- Create the Virtual Environment:

$ python -m venv venv36

-- Activate the Virtual Environment:

$ source ./venv36/bin/activate

-- Check the Default Version:

$ python --version

-- Check the Executable File:

$ which python

-- Deactivate the Virtual Environment:

$ deactivate