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emacs/lisp/ein/ein-ipynb-mode.el

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EmacsLisp

;;; ein-ipynb-mode.el --- A simple mode for ipynb file -*- lexical-binding:t -*-
;; Copyright (C) 2012 Takafumi Arakaki
;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
;; This file is NOT part of GNU Emacs.
;; ein-ipynb-mode.el 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.
;; ein-ipynb-mode.el 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 ein-ipynb-mode.el.
;; If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'ein-process)
(require 'js)
;;;###autoload
(define-derived-mode ein:ipynb-mode js-mode "ein:ipynb"
"A simple mode for ipynb file.
\\{ein:ipynb-mode-map}
"
:group 'ein
:after-hook
(let* ((filename (file-name-nondirectory buffer-file-truename))
(remote-filename (concat (file-name-as-directory "run-remote") filename)))
;; fragile hack to refresh s3fuse
(call-process "cat" nil nil nil remote-filename)
(when (and (file-readable-p remote-filename)
(file-newer-than-file-p remote-filename filename)
(prog1
(let ((inhibit-quit t))
(prog1
(with-local-quit
(y-or-n-p "Corresponding run-remote is newer. Replace? (will first backup) "))
(setq quit-flag nil)))
(message "")))
(if-let ((make-backup-files t)
(where-to (funcall make-backup-file-name-function buffer-file-name)))
(let* (backup-inhibited
(orig-hooks find-file-hook)
(reassure (lambda ()
(message "Backed up to %s" where-to)
(setq find-file-hook orig-hooks))))
(backup-buffer)
(copy-file remote-filename filename t t)
(add-hook 'find-file-hook reassure nil)
(find-file-noselect filename t))
(message "Backup failed. Not replaced")))))
(let ((map ein:ipynb-mode-map))
(set-keymap-parent map js-mode-map)
(define-key map "\C-c\C-z" 'ein:process-find-file-callback)
(define-key map "\C-c\C-o" 'ein:process-find-file-callback)
(define-key map "\C-c\C-r" 'ein:gat-run-remote)
(easy-menu-define ein:ipynb-menu map "EIN IPyNB Mode Menu"
`("EIN IPyNB File"
,@(ein:generate-menu
'(("Open notebook" ein:process-find-file-callback))))))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.ipynb\\'" . ein:ipynb-mode))
(provide 'ein-ipynb-mode)
;;; ein-ipynb-mode.el ends here