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IPython notebook client in Emacs

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EIN -- Emacs IPython Notebook |build-status|

--- or E\ IN I\ s not only for N\ otebooks.

.. note:: It is stable enough for my day to day work, but I can't guarantee the safety for your notebook data. So please make sure you have backup.

.. |build-status| image:: ?branch=master :target: :alt: Build Status


.. figure:: :alt: Plotting in Emacs IPython Notebook




Emacs IPython Notebook (EIN) provides a IPython Notebook client and integrated REPL (like SLIME_) in Emacs. While EIN makes notebook editing very powerful by allowing you to use any Emacs features, it also expose IPython features such as code evaluation, object inspection and code completion to the Emacs side. These features can be accessed anywhere in Emacs and improve Python code editing and reading in Emacs.

.. _SLIME:

Highlighted features:

  • Copy/paste cells, even to/from different notebooks.
  • Console integration: You can easily connect to kernel via console application. This enables you to start debugging in the same kernel. It is even possible to connect console over ssh.
  • IPython kernel can be "connected" to any buffers. This enables you to evaluate buffer/region using same kernel as notebook. Notebook goodies such as tooltip help, help browser and code completion are available in these buffers.
  • Jump to definition (go to the definition by hitting
    over an object).

Other notebook features:

  • Inline images
  • Auto/manual-completion
  • Popup (tooltip) help
  • Syntax highlighting in each cell types (Python/Markdown)
  • Help browser (opens when executing
  • Traceback viewer


  • Online Documentation
  • Wiki
    • Screenshots
    • Tips
  • Downloads
  • Repository at GitHub
  • Issue Tracker at GitHub

Quick try

This is a quick and clean way to try EIN separately from your Emacs setting. If you want to try EIN but think preparing all the requirements is too much, try this!::

git clone git:// cd emacs-ipython-notebook/ lisp/zeroein.el

This will launch a new Emacs instance.

You can use environment variable

to control Emacs executable to use.::

EMACS=emacs-snapshot lisp/zeroein.el

The above command requires /bin/sh. If the above command does not work (e.g., you are using MS Windows), try the following command::

emacs -Q -l lisp/zeroein.el


  • IPython_ 0.12 or higher.
  • websocket.el
    _ 0.9
  • request.el
    _ >= 0.2
  • (optional) mumamo_ developmental version: It will be automatically loaded when it is on the path. The official way to setup path is to load nXhtml_.
  • (optional) markdown-mode
  • (optional) python-mode: It should work with either python.el or python-mode.el. Fabian Gallina's
    _ is required to use
  • (optional)
    _ You need to configure subpackage
    to enable this feature.
  • (optional)
    _: This package enables you to omit typing prefix keys (e.g.,
    C-c C-n C-n C-n ...
    instead of
    C-c C-n C-c C-n C-c C-n ...
    ). You need to configure subpackage
    to enable this feature.

Also, EIN heavily relies on standard Emacs libraries including EWOC, EIEIO and json.el. EIN is currently tested against Emacs 23.3 and 24.3. It is known to work in Emacs 23.2, 24.1 and 24.2.

.. _IPython: .. _websocket.el: .. _request.el: .. _mumamo: .. _nXhtml: .. _python.el: .. _auto-complete.el: .. _smartrep.el:


  1. Install module. Put Emacs lisp

    files and Python file
    in your load path. See
    online documentation
    _ for more information.
  2. Require module::

    (require 'ein)

  3. Start

    IPython notebook server
  4. Hit

    M-x ein:notebooklist-open
    to open notebook list.

.. _

IPython notebook server




(setq ein:use-auto-complete t) ;; Or, to enable "superpack" (a little bit hacky improvements): ;; (setq ein:use-auto-complete-superpack t)



(setq ein:use-smartrep t)

Keybinds - Notebook

.. (ein:dev-insert-mode-map "\{ein:notebook-mode-map}")


key binding

C-c Prefix Command C-x Prefix Command ESC Prefix Command . ein:notebook-complete-dot C-: ein:shared-output-eval-string ein:worksheet-goto-next-input ein:worksheet-goto-prev-input ein:worksheet-execute-cell-and-insert-below ein:worksheet-move-cell-down ein:worksheet-move-cell-up

C-x C-s ein:notebook-save-notebook-command C-x C-w ein:notebook-rename-command

M-RET ein:worksheet-execute-cell-and-goto-next M-, ein:pytools-jump-back-command M-. ein:pytools-jump-to-source-command M-n ein:worksheet-next-input-history M-p ein:worksheet-previous-input-history

C-c C-a ein:worksheet-insert-cell-above C-c C-b ein:worksheet-insert-cell-below C-c C-c ein:worksheet-execute-cell C-c C-e ein:worksheet-toggle-output C-c C-f ein:pytools-request-tooltip-or-help C-c TAB ein:completer-complete C-c C-k ein:worksheet-kill-cell C-c C-l ein:worksheet-clear-output C-c RET ein:worksheet-merge-cell C-c C-n ein:worksheet-goto-next-input C-c C-o ein:console-open C-c C-p ein:worksheet-goto-prev-input C-c C-q ein:notebook-kill-kernel-then-close-command C-c C-r ein:notebook-restart-kernel-command C-c C-s ein:worksheet-split-cell-at-point C-c C-t ein:worksheet-toggle-cell-type C-c C-u ein:worksheet-change-cell-type C-c C-v ein:worksheet-set-output-visibility-all C-c C-w ein:worksheet-copy-cell C-c C-x ein:tb-show C-c C-y ein:worksheet-yank-cell C-c C-z ein:notebook-kernel-interrupt-command C-c ESC Prefix Command C-c ! ein:worksheet-rename-sheet C-c + ein:notebook-worksheet-insert-next C-c - ein:notebook-worksheet-delete C-c 1 ein:notebook-worksheet-open-1th C-c 2 ein:notebook-worksheet-open-2th C-c 3 ein:notebook-worksheet-open-3th C-c 4 ein:notebook-worksheet-open-4th C-c 5 ein:notebook-worksheet-open-5th C-c 6 ein:notebook-worksheet-open-6th C-c 7 ein:notebook-worksheet-open-7th C-c 8 ein:notebook-worksheet-open-8th C-c 9 ein:notebook-worksheet-open-last C-c { ein:notebook-worksheet-open-prev-or-last C-c } ein:notebook-worksheet-open-next-or-first C-c C-S-l ein:worksheet-clear-all-output C-c C-# ein:notebook-close C-c C-' ein:worksheet-turn-on-autoexec C-c C-, ein:pytools-jump-back-command C-c C-. ein:pytools-jump-to-source-command C-c C-/ ein:notebook-scratchsheet-open C-c C-; ein:shared-output-show-code-cell-at-point C-c ein:worksheet-move-cell-down C-c ein:worksheet-move-cell-up

C-c M-+ ein:notebook-worksheet-insert-prev C-c M-w ein:worksheet-copy-cell C-c M-{ ein:notebook-worksheet-move-prev C-c M-} ein:notebook-worksheet-move-next

.. // KEYS END //

Keybinds - Connect

In Python (or any other) buffer, you can connect to any open notebook by

M-x ein:connect-to-notebook
then choose appropriate notebook. After connecting to the notebook (and hence its kernel), the following commands are available.

.. (ein:dev-insert-mode-map "\{ein:connect-mode-map}")


key binding

C-c Prefix Command ESC Prefix Command . ein:completer-dot-complete C-: ein:shared-output-eval-string

M-, ein:pytools-jump-back-command M-. ein:pytools-jump-to-source-command

C-c C-a ein:connect-toggle-autoexec C-c C-c ein:connect-run-or-eval-buffer C-c C-f ein:pytools-request-tooltip-or-help C-c TAB ein:completer-complete C-c C-l ein:connect-reload-buffer C-c C-o ein:console-open C-c C-r ein:connect-eval-region C-c C-x ein:tb-show C-c C-z ein:connect-pop-to-notebook C-c C-, ein:pytools-jump-back-command C-c C-. ein:pytools-jump-to-source-command C-c C-/ ein:notebook-scratchsheet-open

.. // KEYS END //


Emacs IPython Notebook is licensed under GPL v3. See COPYING for details.

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