python-language-server 0.9.0

Python Language Server for the Language Server Protocol

Python Language Server

A Python 2.7 and 3.4+ implementation of the Language Server Protocol.

Feature Providers

• Jedi for Completions, Definitions, Hover, References, Signature Help, and Symbols
• Pyflakes linter to detect various errors
• McCabe linter for complexity checking
• pycodestyle linter for style checking
• pydocstyle linter for docstring style checking
• YAPF for code formatting

3rd Party Plugins

Installing these plugins will add extra functionality to the language server:

• pyls-mypy Mypy type checking for Python 3

Language Server Features

Auto Completion:

Code Linting with pycodestyle and pyflakes:

Signature Help:

Go to definition:

Hover:

Find References:

Document Symbols:

Document Formatting:

Installation

pip install python-language-server

Development

To run the test suite:

pip install .[test] && tox

Develop against VS Code

The Python language server can be developed against a local instance of Visual Studio Code.

1. Install VSCode for Mac
2. From within VSCode View -> Command Palette, then type shell and run install 'code' command in PATH

# Setup a virtual env
virtualenv env
. env/bin/activate

# Install pyls
pip install .

# Install the vscode-client extension
cd vscode-client
npm install .

# Run VSCode which is configured to use pyls
# See the bottom of vscode-client/src/extension.ts for info
npm run vscode -- $PWD/../

Then to debug, click View -> Output and in the dropdown will be pyls. To refresh VSCode, press Cmd + r

License

This project is made available under the MIT License.