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;;; oni-python.el --- Python configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 20190206003120
;; Package-Requires: (oni-company company-jedi fill-column-indicator flycheck rainbow-delimiters reformatter traad hydra)
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; My Python configuration.
;;
;; It features:
;; - Completion
;; - Syntax checking
;; - Right margin
;; - Delimiter balancing
;; - Automatic reformatting
;; - Delimiter highlighting
;;; Code:
(require 'company)
(require 'hydra)
(require 'python)
(require 'reformatter)
(require 'traad)
(require 'whitespace)
(autoload 'hl-indent-mode "hl-indent-mode")
(defun oni-python-set-fill-column ()
"Set the `fill-column' and `comment-fill-column' for the current buffer.
The values are taken from the PEP8 coding standard for Python."
(setq-local fill-column 80)
(setq-local comment-fill-column 72))
(defun oni-python-whitespace-mode ()
"Set the `whitespace-style' to show the relevat whitespace.
In Python buffers it should show any tabs being used and and used
for indentation."
(setq-local whitespace-style '(face tabs))
(whitespace-mode))
(add-to-list 'company-backends 'company-jedi)
(reformatter-define python-black
:program "black"
:args `("--line-length" ,(number-to-string fill-column) "-")
:lighter ""
:group 'python-black)
(defhydra python-refactor-hydra (:color blue)
("r" traad-rename "Rename object"))
(define-key python-mode-map (kbd "C-c r") 'python-refactor-hydra/body)
(add-hook 'python-mode-hook 'electric-indent-local-mode)
(add-hook 'python-mode-hook 'electric-pair-local-mode)
(add-hook 'python-mode-hook 'flycheck-mode)
(add-hook 'python-mode-hook 'fci-mode)
(add-hook 'python-mode-hook 'company-mode)
(add-hook 'python-mode-hook 'rainbow-delimiters-mode)
(add-hook 'python-mode-hook 'python-black-on-save-mode)
(add-hook 'python-mode-hook 'oni-python-set-fill-column)
(add-hook 'python-mode-hook 'oni-python-whitespace-mode)
;;;###autoload(with-eval-after-load 'python (require 'oni-python))
(provide 'oni-python)
;;; oni-python.el ends here
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