78 lines
2.7 KiB
EmacsLisp
78 lines
2.7 KiB
EmacsLisp
;;; ein-cell-output.el --- Cell module
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;; (C) 2015- John M. Miller
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;; Author: John M. Miller (millejoh at mac dot com)
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;; This file is NOT part of GNU Emacs.
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;; ein-cell-output.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-cell-output.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-cell-output.el. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Because wiriting cell outputs to nbformat v4.0 json is complicated
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;; enought that it warrants a file all to its own.
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;;; Code:
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(require 'ein-cell)
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(defvar ein:output-type-map
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'((:svg . :image/svg+xml) (:png . :image/png) (:jpeg . :image/jpeg)
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(:text . :text/plain)
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(:html . :text/html) (:latex . :text/latex) (:javascript . :text/javascript)))
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(defun ein:output-property (maybe-property)
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(cdr (assoc maybe-property ein:output-type-map)))
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;;; Dealing with Code cell outputs
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(defun ein:cell-stream-output-to-json (output)
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`((output_type . "stream")
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(name . ,(plist-get output :stream))
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(text . ,(plist-get output :text))))
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(defun ein:cell-error-output-to-json (output)
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`((output_type . "error")
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(ename . ,(plist-get output :ename))
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(evalue . ,(plist-get output :evalue))
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(traceback . ,(plist-get output :traceback))))
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(defun ein:cell-execute-result-output-to-json (output)
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(let ((data (ein:aif (plist-get output :text)
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`("text/plain" . ,it)
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(plist-get output :data))))
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`((output_type . "execute_result")
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(metadata . ,(make-hash-table))
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(execution_count . ,(or (plist-get output :prompt_number)
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(plist-get output :execution_count)))
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(data . (,data)))))
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(defun ein:maybe-get-output-mime-data (output)
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(cl-loop for type in '(:svg :png :jpeg :html :latex :javascript :text)
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if (plist-get output type)
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collecting (cons (ein:output-property type) (plist-get output type))))
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(defun ein:cell-display-data-output-to-json (output)
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(let ((data (or (ein:maybe-get-output-mime-data output)
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(plist-get output :data))))
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`((output_type . "display_data")
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(data . ,data)
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(metadata . ,(make-hash-table)))))
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(defun ein:find-and-make-outputs (output-plist)
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(cl-loop for prop in ein:output-type-map
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when (plist-get output-plist (cdr prop))
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collect (list (cdr prop) (plist-get output-plist (cdr prop)))))
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(provide 'ein-cell-output)
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