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;;; prog-python --- Python Specific Setup and Functionality -*- lexical-binding: t; coding: utf-8; -*-
;; author Craig Jennings <c@cjennings.net>
;;; Commentary:
;;; Code:
(defvar python-ts-mode-map)
;; -------------------------------- Python Setup -------------------------------
;; preferences for Python programming
(defun cj/python-setup ()
"My default code preferences for Python coding."
(hs-minor-mode) ;; folding
(company-mode) ;; completion framework
(flyspell-prog-mode) ;; spell check comments
(superword-mode) ;; see-this-as-one-word
(setq-default fill-column 80) ;; wrap at 80 columns
(setq-default tab-width 4) ;; set the tab width to 4 spaces
(setq-default standard-indent 4) ;; indent 4 spaces
(setq-default indent-tabs-mode nil) ;; disable tab characters
(electric-pair-mode t)) ;; match delimiters automatically
;; ----------------------------------- Python ----------------------------------
;; configuration for python-ts-mode (treesit-based Python editing)
(use-package python
:ensure nil ;; built-in
:hook
(python-ts-mode . cj/python-setup)
:custom
(python-shell-interpreter "python3")
:config
;; remove the "guess indent" python message
(setq python-indent-guess-indent-offset-verbose nil)
;; Remove python-mode from auto-mode-alist to prefer python-ts-mode
(setq auto-mode-alist
(rassq-delete-all 'python-mode auto-mode-alist)))
;; ----------------------------------- Poetry ----------------------------------
;; virtual environments and dependencies
(use-package poetry
:defer t
:after (python)
:hook (python-ts-mode . poetry-tracking-mode)
:config
;; Checks for the correct virtualenv. Better strategy IMO because the default
;; one is quite slow.
(setq poetry-tracking-strategy 'switch-buffer))
;; ---------------------------------- Blacken ----------------------------------
;; formatting on save
(use-package blacken
:custom
(blacken-allow-py36 t)
(blacken-skip-string-normalization t)
:hook (python-ts-mode . blacken-mode))
;; ---------------------------------- Numpydoc ---------------------------------
;; automatically insert NumPy style docstrings in Python function definitions
(use-package numpydoc
:custom
(numpydoc-insert-examples-block nil)
(numpydoc-template-long nil)
:bind (:map python-ts-mode-map
("C-c C-n" . numpydoc-generate)))
;; ------------------------------------ TOML -----------------------------------
;; editing support and documentation for TOML files
(use-package toml-mode
:mode "\\.toml\\'")
(use-package eldoc-toml
:hook (toml-mode . eldoc-toml-mode))
(provide 'prog-python)
;;; prog-python.el ends here
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