Jedi is an autocompletion tool for Python that can be used in IDEs/editors.
Jedi works. Jedi is fast. It understands all of the basic Python syntax
elements including many builtin functions.

Additionaly, Jedi suports two different goto functions and has support for
renaming as well as Pydoc support and some other IDE features.

WWW: https://github.com/davidhalter/jedi