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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)
:config
(progn
(add-hook 'python-mode-hook 'ravi/python-mode-hook)
(defun ravi/python-mode-hook()
;; Set ipython as our interpreter
(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"
)
;; For ipython 0.10, uncomment the following:
;; (setq python-shell-completion-string-code
;; "';'.join(__IP.complete('''%s'''))\n"
;; python-shell-completion-module-string-code ""
;; )
;; 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)
)
(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 pymacs+ropemacs for code completion plus documentation browsing.
;; The main issue is that this requires both python-side and emacs-side
;; support, and hence cannot be installed as a package from MELPA.
(use-package pymacs
:disabled t
:init
(progn
;; Many bindings provide same functionality as from other packages.
(setq ropemacs-global-prefix nil)
;(setq ropemancs-local-prefix nil)
;(setq ropemacs-enable-shortcuts nil)
)
:config
(progn
(pymacs-load "ropemacs" "rope-")
(bind-key "C-c C-d" 'rope-show-calltip python-mode-map)
;; Auto-complete sources; see
;; http://www.cx4a.org/pub/auto-complete-python.el
(defvar ac-ropemacs-completions-cache nil)
(defvar ac-source-ropemacs
'((init
. (lambda ()
(setq ac-ropemacs-completions-cache
(mapcar
(lambda (completion)
(concat ac-prefix completion))
(ignore-errors
(rope-completions))))))
(candidates . (lambda ()
(all-completions ac-prefix ac-ropemacs-completions-cache)))))
(defun ac-ropemacs-setup ()
(ac-ropemacs-require)
;(setq ac-sources (append (list 'ac-source-ropemacs) ac-sources))
(setq ac-omni-completion-sources '(("\\." ac-source-ropemacs))))
(add-hook 'python-mode-hook 'ac-ropemacs-setup)
)
)
;; 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
:config
(progn
(setq jedi:server-args
`("--sys-path" ,(ravi/emacs-file "site-lisp/python-epc")
"--sys-path" ,(ravi/emacs-file "site-lisp/sexpdata")
"--sys-path" ,(ravi/emacs-file "site-lisp/jedi")))
(setq jedi:complete-on-dot t)
(add-hook 'python-mode-hook 'jedi:setup)
)
:ensure t
:disabled nil
)
)
)
(provide 'ravi-init-python)
|
