Use Vim as a Python IDE

This is a general guide for using SpaceVim as a python IDE, including layer configuration and usage. Each of the following sections will be covered:

Enable language layer
Code completion
Syntax linting
Import packages
Jump to test file
running code
Code formatting
REPL
Debug

Enable language layer

To add python language support in SpaceVim, you need to enable the lang#python layer. Press SPC f v d to open SpaceVim configuration file, and add following configuration:

[[layers]]
  name = "lang#python"

for more info, you can read the lang#python layer documentation.

Code completion

lang#python layer will load the jedi plugin automatically, unless overriden in your init.toml. The completion menu will be opened as you type.

Syntax linting

neomake - Asynchronous linting and make framework for Neovim/Vim

Import packages

When edit python file, you can import the package automatically, remove unused package and format package list.

pip install --user isort

Jump to test file

SpaceVim use vim-project to manager the files in a project, you can add a .projections.json to the root of your project with following content:

{
  "src/*.py": {"alternate": "test/{dirname}/{basename}Test.py"},
  "test/**/Test*.py": {"alternate": "src/{}.py"}
}

with this configuration, you can jump between the source code and test file via command :A

running code

To run current script, you can press SPC l r, and a split windows will be openen, the output of the script will be shown in this windows. It is running asynchronously, and will not block your vim.

Code formatting

neoformat - A (Neo)vim plugin for formatting code.

For formatting java code, you also nEed have uncrustify or astyle in your PATH. BTW, the google's java formatter also works well with neoformat.

REPL

you need to install jdk9 which provide a build-in tools jshell, and SpaceVim use the jshell as default inferior REPL process:

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