spacemacs/contrib/lang/python/extensions/py-yapf/README.org

• py-yapf.el

py-yapf.el

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Provides commands, which use the external yapf tool to tidy up the current buffer according to Python's PEP8.

$ pip install git+https://github.com/google/yapf.git
$ wget https://raw.githubusercontent.com/paetzke/py-yapf.el/master/py-yapf.el \
       -O /your/path/py-yapf.el

You can also install py-yapf with MELPA:

M-x package-install RET
py-yapf RET

Add the save hook to your ~/.emacs

(add-to-list 'load-path "/your/path/")
(require 'py-yapf)
(add-hook 'python-mode-hook 'py-yapf-enable-on-save)

Now every time you save your Python file yapf will be executed on the current buffer.