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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:
(use-package python
:mode ("\\.py\\'" . python-mode)
:commands python-shell-switch-to-shell
:config
(progn
(add-hook 'python-mode-hook 'ravi/python-mode-hook)
(defun ravi/old-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"
))
(defun ravi/ipython-5p4plus-setup ()
"Set up ipython interpreter for version 5.4+ which requires rlipython to be installed"
(setq python-shell-interpreter "ipython"
python-shell-interpreter-args "--pylab --TerminalIPythonApp.interactive_shell_class=rlipython.TerminalInteractiveShell"
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"
))
(defun ravi/python-mode-hook()
;; Set ipython as our interpreter
(ravi/old-ipython-setup)
(when (functionp 'helm-dash)
(setq-local helm-dash-docsets '("Python 2" "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)
)
(bind-key "<return>" 'newline-and-indent python-mode-map)
;; We no longer use smart-tab-mode
;(add-to-list 'smart-tab-disabled-major-modes 'inferior-python-mode)
(define-auto-insert "\\.py\\'" 'ravi/auto-insert-py)
(defun ravi/auto-insert-py ()
(progn
(insert "#!/usr/bin/env python\n\n")
)
)
(use-package virtualenvwrapper
:config
(progn
(venv-initialize-interactive-shells)
(venv-initialize-eshell)
(setq venv-location (expand-file-name "~/usr/local/venv/"))
)
:ensure t
)
;; Use jedi.el for code completion plus documentation browsing.
;; The main issue is that this requires both python-side and emacs-side
;; support, but the python-side support cannot be installed as a package
;; from MELPA. Fedora does not provide python-epc as an RPM either. We
;; work around it by adding sexpdata, jedi and python-epc as git submodules.
(use-package jedi-core
:config
(progn
(defun ravi/jedi-setup ()
(let ((basic-server-args (list
"--sys-path" (ravi/emacs-file "site-lisp/python-epc")
"--sys-path" (ravi/emacs-file "site-lisp/sexpdata"))
))
(set (make-local-variable 'jedi:server-args)
(if (and (boundp 'extra-jedi-args)
(listp extra-jedi-args))
(append basic-server-args extra-jedi-args)
basic-server-args))
(jedi:setup)))
;; Override pos-tip support to automatically delete tooltip
(defun ravi/jedi:tooltip-show (string)
(cond
((and (memq 'pos-tip jedi:tooltip-method) window-system
(featurep 'pos-tip))
(pos-tip-show (jedi:string-fill-paragraph string)
'popup-tip-face nil nil 5))
((and (memq 'popup jedi:tooltip-method)
(featurep 'popup))
(popup-tip string))
(t (when (stringp string)
(let ((message-log-max nil))
(message string))))))
(fset 'jedi:tooltip-show 'ravi/jedi:tooltip-show)
(defun ravi/python-jedi-hook-installer ()
;; (setq jedi:complete-on-dot t) ; needs auto-complete
(add-hook 'hack-local-variables-hook 'ravi/jedi-setup nil t))
(add-hook 'python-mode-hook 'ravi/python-jedi-hook-installer)
)
:ensure t
)
(use-package company-jedi
:config
(progn
(add-to-list 'company-backends 'company-jedi))
:ensure t)
(use-package sphinx-doc
:config
(progn
(defun ravi/sphinx-doc-setup ()
(sphinx-doc-mode 1))
(add-hook 'python-mode-hook 'ravi/sphinx-doc-setup)
)
:diminish sphinx-doc-mode
:ensure t)
(use-package python-docstring
:config
(progn
(defun ravi/python-docstring-mode-setup ()
(python-docstring-mode 1))
(add-hook 'python-mode-hook 'ravi/python-docstring-mode-setup))
:diminish python-docstring-mode
:ensure t)
(use-package electric-operator
:config
(progn
(add-hook 'python-mode-hook #'electric-operator-mode))
;; :diminish electric-operator
:ensure t)
)
)
(provide 'ravi-init-python)
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