Overview:
pyenv
- is a simple Python version manager tool, which allows you easily switch between multiple versions of Python. You can set local or global system-wide Python versions via the tool.
Installation:
- Install all required prerequisite dependencies:
sudo apt-get update; sudo apt-get install make build-essential libssl-dev zlib1g-dev \ libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm \ libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
- Download and execute installation script:
curl https://pyenv.run | bash
- Add the following entries into your
~/.bashrc
file:# pyenv export PATH="$HOME/.pyenv/bin:$PATH" eval "$(pyenv init --path)" eval "$(pyenv virtualenv-init -)"
- Restart your shell:
exec $SHELL
- Validate installation:
pyenv --version
Uninstallation:
- Remove the
~/.pyenv
folderrm -fr ~/.pyenv
- Delete the following entries from your
~/.bashrc
file:export PATH="$HOME/.pyenv/bin:$PATH" eval "$(pyenv init --path)" eval "$(pyenv virtualenv-init -)"
- Restart your shell
exec $SHELL
Basic commands:
- To install specific version use
install
flag:pyenv install 3.8.0
- To list all available installed versions of Python on your system:
pyenv versions
- To set a specific version of Python global (system-wide) use
global
flag:pyenv global 3.8.0
- To set a specific version of Python local (project-based) use
local
flag:pyenv local 3.8.0