@cocalc/project/dist/nbgrader/jupyter-parse.js

CoCalc: project daemon

"use strict";
/*
 *  This file is part of CoCalc: Copyright © 2020 Sagemath, Inc.
 *  License: AGPLv3 s.t. "Commons Clause" – see LICENSE.md for details
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.jupyter_strip_notebook = void 0;
const fs_1 = require("fs");
const awaiting_1 = require("awaiting");
// Strip output and attachments from all cells.
async function jupyter_strip_notebook(ipynb_path) {
    // Load the file
    const contents = (await (0, awaiting_1.callback)(fs_1.readFile, ipynb_path)).toString();
    // Parse as JSON
    const obj = JSON.parse(contents);
    // Strip output from cells
    if (obj != null && obj.cells != null) {
        for (const cell of obj.cells) {
            if (cell.outputs != null) {
                // Just deleting this field would result in an invalid ipynb file.  I couldn't
                // find a statement that this required in the nbformat spec, but testing
                // the classic server implies that it is.
                cell.outputs = [];
            }
            if (cell.attachments != null) {
                delete cell.attachments;
            }
        }
    }
    // Return version converted back to a string.
    return JSON.stringify(obj);
}
exports.jupyter_strip_notebook = jupyter_strip_notebook;
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