66 lines
2.6 KiB
EmacsLisp
66 lines
2.6 KiB
EmacsLisp
;;; ein-file.el --- Editing files downloaded from jupyter
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;; Copyright (C) 2017- John M. Miller
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;; Authors: Takafumi Arakaki <aka.tkf at gmail.com>
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;; John M. Miller <millejoh at mac.com>
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;; This file is NOT part of GNU Emacs.
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;; ein-file.el is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; ein-file.el is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with ein-notebooklist.el. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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(require 'ein-contents-api)
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(defvar *ein:file-buffername-template* "'/ein:%s:%s")
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(ein:deflocal ein:content-file-buffer--content nil)
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;; (push '("^ein:.*" . ein:content-file-handler)
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;; file-name-handler-alist)
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(defun ein:file-buffer-name (urlport path)
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(format *ein:file-buffername-template*
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urlport
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path))
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(defun ein:file-open (url-or-port path)
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(interactive (ein:notebooklist-parse-nbpath (ein:notebooklist-ask-path "file")))
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(ein:content-query-contents url-or-port path #'ein:file-open-finish nil))
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(defun ein:file-open-finish (content)
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(with-current-buffer (get-buffer-create (ein:file-buffer-name (ein:$content-url-or-port content)
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(ein:$content-path content)))
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(setq ein:content-file-buffer--content content)
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(let ((raw-content (ein:$content-raw-content content)))
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(if (eq system-type 'windows-nt)
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(insert (decode-coding-string raw-content 'utf-8))
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(insert raw-content)))
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(set-visited-file-name (buffer-name))
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(set-auto-mode)
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(add-hook 'write-contents-functions 'ein:content-file-save) ;; FIXME Brittle, will not work
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;; if user changes major mode.
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(ein:log 'verbose "Opened file %s" (ein:$content-name content))
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(set-buffer-modified-p nil)
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(goto-char (point-min))
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(pop-to-buffer (buffer-name))))
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(defun ein:content-file-save ()
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(when (boundp 'ein:content-file-buffer--content)
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(setf (ein:$content-raw-content ein:content-file-buffer--content) (buffer-string))
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(ein:content-save ein:content-file-buffer--content)
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(set-buffer-modified-p nil)
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t))
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(provide 'ein-file)
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