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;;; ravi-init-python.el --- python support
;; Copyright (C) 2013
;; Author: <ravi@nero.lan>
;; Keywords:
;; 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Python programming setup
;;; Code:
(setq load-prefer-newer t)
(use-package python
:mode ("\\.py\\'" . python-mode)
:commands python-shell-switch-to-shell
:hook ((python-mode-hook . ravi/python-mode-hook))
:config
(defun ravi/ipython-setup ()
"Set up ipython interpreter for version less than 4, which works with readline"
(setq python-shell-interpreter "ipython"
python-shell-interpreter-args "--pylab"
python-shell-prompt-regexp "In \\[[0-9]+\\]: "
python-shell-prompt-output-regexp "Out\\[[0-9]+\\]: "
python-shell-completion-setup-code
"from IPython.core.completerlib import module_completion"
python-shell-completion-module-string-code
"';'.join(module_completion('''%s'''))\n"
python-shell-completion-string-code
"';'.join(get_ipython().Completer.all_completions('''%s'''))\n"
))
;; Set ipython as our interpreter
(ravi/ipython-setup)
(defvar ravi/support-old-ipython nil
"Old ipython does not have --simple-prompt")
(unless ravi/support-old-ipython
(setq python-shell-interpreter-args "--pylab --simple-prompt"))
(defun ravi/python-mode-hook()
(when (functionp 'helm-dash) (setq-local dash-docs-docsets '("Python 2" "Python 3" "NumPy")))
(when (functionp 'consult-dash) (setq-local consult-dash-docsets '("Python 2" "Python 3" "NumPy")))
;; I'd really prefer indentation by 2 spaces, but have too much existing
;; python code with indentation at 4 spaces.
(setq python-indent-offset 4))
(use-package lsp-pyright
:init
(defun ravi/start-lsp-pyright ()
(require 'lsp-pyright)
(let* ((in-site-lisp (ravi/emacs-file "site-lisp/node_modules/.bin/pyright-langserver"))
(pyright-executable (or (and (boundp 'ravi/pyright-executable)
ravi/pyright-executable)
in-site-lisp)))
(when (file-exists-p pyright-executable)
(lsp-dependency 'pyright `(:system ,pyright-executable))))
(lsp-deferred))
:hook (python-mode-hook . ravi/start-lsp-pyright))
(bind-key "<return>" 'newline-and-indent python-mode-map)
(define-auto-insert "\\.py\\'" 'ravi/auto-insert-py)
(defun ravi/auto-insert-py ()
(insert "#!/usr/bin/env python\n\n"))
(defvar ravi/python-venv-locations nil
"List of python virtualenv locations")
(use-package virtualenvwrapper
:config
(venv-initialize-interactive-shells)
(venv-initialize-eshell)
(setq venv-location (flatten-list (list ravi/python-venv-locations
(expand-file-name "~/usr/local/venv/")))))
(use-package sphinx-doc
:config
(defun ravi/sphinx-doc-setup ()
(sphinx-doc-mode 1))
(add-hook 'python-mode-hook 'ravi/sphinx-doc-setup)
:diminish sphinx-doc-mode)
(use-package python-docstring
:config
(defun ravi/python-docstring-mode-setup ()
(python-docstring-mode 1))
(add-hook 'python-mode-hook 'ravi/python-docstring-mode-setup)
:diminish python-docstring-mode)
(use-package electric-operator
:config
(add-hook 'python-mode-hook #'electric-operator-mode)
;; :diminish electric-operator
))
(provide 'ravi-init-python)
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