Install dependencies for pyenv:
sudo apt update
sudo apt 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 python3-openssl git
Install pyenv:
curl https://pyenv.run | bash
Update your shell configuration to include pyenv in your PATH. Add the following lines to ~/.bashrc or ~/.bash_profile:
export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init --path)"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
Restart your shell:
exec $SHELL
Install different versions of Python using pyenv:
pyenv install 3.9.19
pyenv install 3.12.5
Set the global or local Python version:
To set the global default version:
pyenv global 3.12.5
To set a local version (specific to a directory/project):
pyenv local 3.9.19 # Generates a '.python-version' file
Run a specific version of Python:
pyenv shell 3.9.19 # Temporarily use Python 3.9.19
Run a script with Python 3.9.19 without changing the global or local version:
pyenv shell 3.9.19 && python your_script.py
Show all available versions. Similar to py -0 on Windows:
pyenv versions
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