I have files which are not .py but they are python code. I want to highlight them as if they were python files. How can I do that.

  • 2
    Simplest thing to do is to switch modes using M-x python-mode. That'll set up highlighting, indentation, keybindings, etc.
    – amitp
    Mar 2, 2018 at 19:07
  • 1
    If the files have a particular file extension or path component that is unique to them, you can add them to ‘auto-mode-alist’ to have them automatically open up on python mode.
    – InHarmsWay
    Mar 3, 2018 at 11:57
  • they do have extensions like .bzl
    – A. K.
    Mar 5, 2018 at 22:43

1 Answer 1


If the file extension is .bzl, then you can do this:

(add-to-list 'auto-mode-alist '("\\.bzl\\'" . python-mode))

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