Insert operators with surrounding spaces smartly. (Refactored and successor of smart-operator.el).
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Electric spacing mode

An emacs minor-mode to automatically add spacing around operators.

For example typing


results in

a = 10 * 5 + 2


The simplest way to install electric-spacing-mode is via package.el.

To temporarily enable electric-spacing-mode simply call electric-spacing-mode. To permenantly enable it for a major mode simply add it to the relevant mode hook. For example for python-mode add the following to your config[1]:

(add-hook 'python-mode-hook #'electric-spacing-mode)

Note that electric-spacing-mode is not a global minor mode, and so must be enabled separately for each major mode.

[1] For emacs versions < 24 you may need to define a wrapper function to enable the mode unconditionally.