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Sunday, March 10, 2013

Elpy 0.9 Released

I’m happy to announce that I just released a new version of Elpy, the Emacs Python Development Environment. You can find a list of news since the last release below.

Elpy is an Emacs package to bring powerful Python editing to Emacs. It combines a number of other packages, both written in Emacs Lisp as well as Python.

Version 0.9 is a release candidate for 1.0. I’ll focus on bug fixes instead of new features until 1.0 is out.

Note: During release testing, I noticed a bug in auto-complete 1.4 under Emacs 24.2 which makes elpy’s autocompletion currently unavailable in that version of Emacs. Using the development versions of auto-complete and popup solves this problem.

Quick Installation

Evaluate this:

(add-to-list 'package-archives
             '("marmalade" .

Then run M-x package-install RET elpy RET.

Finally, run the following (and add them to your .emacs):



  • Elpy now officially support Python 2.6, 2.7 and 3.3 on Emacs 24.2 and 24.3, with continuous integration tests thanks to Travis CI.
  • Extended support for Pydoc. C-u C-c C-d will now prompt for an auto-completed symbol to run Pydoc on. The pydoc output will be formatted and placed in a help buffer for easy review.
  • Refactoring support is back. C-c C-r will pop up a refactoring wizard offering various refactoring options. Most of them depend on the presence of Rope, though, even if Jedi is used as a completion backend.
  • The Rope backend has been extended to provide completions for modules in an import clause.
  • New refactoring option: Add missing imports. This will search for undefined symbols in the current file and automatically add appropriate imports.
  • C-c C-c (elpy-rgrep-symbol) now prompts for a regexp when a prefix argument is given instead of using the symbol at point.