In this tutorial, I will show you how to install jedi-vim plugin so that you will get Python autocompletion in Vim. It would require you to first install the Pathogen package manager and then install jedi-vim.

Install Pathogen

mkdir -p ~/.vim/autoload ~/.vim/bundle
curl -LSso ~/.vim/autoload/pathogen.vim https://tpo.pe/pathogen.vim

Configure ~/.vimrc

Add the following lines in ~/.vimrc.

execute pathogen#infect()
syntax on
filetype plugin indent on

Install Jedi

cd ~/.vim/bundle/
git clone --recursive https://github.com/davidhalter/jedi-vim.git

Test autocompletion in Vim

Run vim test.py and then press i to switch to insert mode.

And, type in the code like below to see Python autocompletion in action.