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Add prelude-python-mode-set-encoding-automatically defcustom (#1293)

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- if it is nil (default) does nothing
- if non-nil insert '# coding: utf-8' on top of python buffers
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Manoel Vilela 2020-10-07 04:21:20 -03:00 committed by GitHub
parent 041617e8b0
commit 7226716739
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3 changed files with 21 additions and 1 deletions
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1
CHANGELOG.md
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@ -9,6 +9,7 @@
### Changes
* [#1292](https://github.com/bbatsov/prelude/issues/1292): Add `prelude-python-mode-set-encoding-automatically` defcustom on prelude-python.el module with nil default value.
* [#1278](https://github.com/bbatsov/prelude/issues/1278): Don't disable `menu-bar-mode` unless `prelude-minimalistic-ui` is enabled.
* [#1277](https://github.com/bbatsov/prelude/issues/1277): Make it possible to disable the creation of `Super`-based keybindings via `prelude-super-keybindings`.
* Removed deprecated alias `prelude-ensure-module-deps`.

13
doc/modules/python.md
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@ -20,3 +20,16 @@ syntax checkers, [Pylint](http://www.pylint.org/) and
order to have Flycheck support on the fly syntax checking for
Python you need to have either of these installed and accessible to
Emacs. In order to manually choose a checker run `C-c ! s`.
## Automatic insertion of # coding: utf-8
Previously `prelude-python` had this feature enabled by default, but
that is only necessary on Python2, because Python3 already use utf-8
as default encoding. In 2020, python2 becames deprecated, so that
functionallity becames a annoying side-effect for some users. If you
wish to enable this, add this to your config file:
```emacs-lisp
(setq prelude-python-mode-set-encoding-automatically t)
```

8
modules/prelude-python.el
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@ -31,6 +31,11 @@
;;; Code:
(defcustom prelude-python-mode-set-encoding-automatically nil
"Non-nil values enable auto insertion of '# coding: utf-8' on python buffers."
:type 'boolean
:group 'prelude)
(prelude-require-package 'anaconda-mode)
(when (boundp 'company-backends)
@ -97,7 +102,8 @@
#'python-imenu-create-flat-index))
(add-hook 'post-self-insert-hook
#'electric-layout-post-self-insert-function nil 'local)
(add-hook 'after-save-hook 'prelude-python-mode-set-encoding nil 'local))
(when prelude-python-mode-set-encoding-automatically
(add-hook 'after-save-hook 'prelude-python-mode-set-encoding nil 'local)))
(setq prelude-python-mode-hook 'prelude-python-mode-defaults)