110 lines
3.5 KiB
EmacsLisp
110 lines
3.5 KiB
EmacsLisp
;;; oni-python.el --- Python configuration -*- lexical-binding: t; -*-
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;; Copyright (C) 2019 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords: local
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;; Version: 20190828000139
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;; Package-Requires: (oni-yasnippet oni-company company-jedi oni-fci oni-flycheck rainbow-delimiters reformatter traad hydra)
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; My Python configuration.
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;;
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;; It features:
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;; - Completion
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;; - Syntax checking
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;; - Right margin
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;; - Delimiter balancing
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;; - Automatic reformatting
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;; - Delimiter highlighting
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;;; Code:
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(require 'company)
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(require 'hydra)
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(require 'python)
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(require 'reformatter)
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(require 'traad)
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(require 'whitespace)
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(require 'yasnippet)
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(autoload 'hl-indent-mode "hl-indent-mode")
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(defconst oni-python-root
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(file-name-directory
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(or load-file-name
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(buffer-file-name)))
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"The directory where ‘oni-python’ was loaded from.")
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(defconst oni-python-snippets-dir
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(expand-file-name "snippets" oni-python-root)
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"The directory where ‘oni-python’ stores its snippets.")
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(defun oni-python-set-fill-column ()
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"Set the `fill-column' and `comment-fill-column' for the current buffer.
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The values are taken from the PEP8 coding standard for Python."
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(setq-local fill-column 80)
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(setq-local comment-fill-column 72))
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;;;###autoload
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(defun oni-python-snippets-initialize ()
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"Initialize the snippets for ‘oni-python’."
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(when (boundp 'yas-snippet-dirs)
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(add-to-list 'yas-snippet-dirs oni-python-snippets-dir))
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(yas-load-directory oni-python-snippets-dir))
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(defun oni-python-whitespace-mode ()
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"Set the `whitespace-style' to show the relevat whitespace.
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In Python buffers it should show any tabs being used and and used
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for indentation."
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(setq-local whitespace-style '(face tabs))
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(whitespace-mode))
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(add-to-list 'company-backends 'company-jedi)
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(reformatter-define python-black
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:program "black"
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:args `("--line-length" ,(number-to-string fill-column) "-")
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:lighter ""
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:group 'python-black)
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(defhydra python-refactor-hydra (:color blue)
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("r" traad-rename "Rename object")
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("m" traad-extract-method "Extract method"))
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(define-key python-mode-map (kbd "C-c r") 'python-refactor-hydra/body)
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(add-hook 'python-mode-hook 'electric-indent-local-mode)
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(add-hook 'python-mode-hook 'electric-pair-local-mode)
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(add-hook 'python-mode-hook 'flycheck-mode)
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(add-hook 'python-mode-hook 'fci-mode)
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(add-hook 'python-mode-hook 'company-mode)
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(add-hook 'python-mode-hook 'rainbow-delimiters-mode)
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(add-hook 'python-mode-hook 'python-black-on-save-mode)
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(add-hook 'python-mode-hook 'oni-python-set-fill-column)
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(add-hook 'python-mode-hook 'oni-python-whitespace-mode)
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;;;###autoload
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(with-eval-after-load 'python
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(with-eval-after-load 'yasnippet
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(oni-python-snippets-initialize)))
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;;;###autoload(with-eval-after-load 'python (require 'oni-python))
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(provide 'oni-python)
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;;; oni-python.el ends here
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