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//----------------------------------------------------------------------------
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// Copyright (C) 2011 The IPython Development Team
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//
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// Distributed under the terms of the BSD License. The full license is in
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// the file COPYING, distributed as part of this software.
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//----------------------------------------------------------------------------
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//============================================================================
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// NotebookList
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//============================================================================
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var IPython = (function (IPython) {
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"use strict";
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var utils = IPython.utils;
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var NotebookList = function (selector, options, element_name) {
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var that = this
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// allow code re-use by just changing element_name in kernellist.js
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this.element_name = element_name || 'notebook';
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this.selector = selector;
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if (this.selector !== undefined) {
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this.element = $(selector);
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this.style();
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this.bind_events();
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}
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this.notebooks_list = [];
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this.sessions = {};
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this.base_url = options.base_url || utils.get_body_data("baseUrl");
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this.notebook_path = options.notebook_path || utils.get_body_data("notebookPath");
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$([IPython.events]).on('sessions_loaded.Dashboard',
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function(e, d) { that.sessions_loaded(d); });
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};
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NotebookList.prototype.style = function () {
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var prefix = '#' + this.element_name
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$(prefix + '_toolbar').addClass('list_toolbar');
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$(prefix + '_list_info').addClass('toolbar_info');
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$(prefix + '_buttons').addClass('toolbar_buttons');
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$(prefix + '_list_header').addClass('list_header');
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this.element.addClass("list_container");
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};
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NotebookList.prototype.bind_events = function () {
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var that = this;
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$('#refresh_' + this.element_name + '_list').click(function () {
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that.load_sessions();
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});
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this.element.bind('dragover', function () {
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return false;
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});
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this.element.bind('drop', function(event){
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that.handleFilesUpload(event,'drop');
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return false;
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});
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};
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NotebookList.prototype.handleFilesUpload = function(event, dropOrForm) {
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var that = this;
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var files;
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if(dropOrForm =='drop'){
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files = event.originalEvent.dataTransfer.files;
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} else
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{
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files = event.originalEvent.target.files;
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}
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for (var i = 0; i < files.length; i++) {
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var f = files[i];
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var reader = new FileReader();
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reader.readAsText(f);
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var name_and_ext = utils.splitext(f.name);
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var file_ext = name_and_ext[1];
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if (file_ext === '.ipynb') {
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var item = that.new_notebook_item(0);
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item.addClass('new-file');
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that.add_name_input(f.name, item);
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// Store the notebook item in the reader so we can use it later
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// to know which item it belongs to.
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$(reader).data('item', item);
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reader.onload = function (event) {
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var nbitem = $(event.target).data('item');
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that.add_notebook_data(event.target.result, nbitem);
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that.add_upload_button(nbitem);
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};
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} else {
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var dialog = 'Uploaded notebooks must be .ipynb files';
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IPython.dialog.modal({
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title : 'Invalid file type',
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body : dialog,
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buttons : {'OK' : {'class' : 'btn-primary'}}
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});
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}
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}
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// Replace the file input form wth a clone of itself. This is required to
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// reset the form. Otherwise, if you upload a file, delete it and try to
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// upload it again, the changed event won't fire.
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var form = $('input.fileinput');
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form.replaceWith(form.clone(true));
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return false;
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};
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NotebookList.prototype.clear_list = function (remove_uploads) {
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// Clears the navigation tree.
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//
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// Parameters
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// remove_uploads: bool=False
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// Should upload prompts also be removed from the tree.
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if (remove_uploads) {
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this.element.children('.list_item').remove();
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} else {
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this.element.children('.list_item:not(.new-file)').remove();
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}
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};
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NotebookList.prototype.load_sessions = function(){
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IPython.session_list.load_sessions();
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};
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NotebookList.prototype.sessions_loaded = function(data){
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this.sessions = data;
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this.load_list();
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};
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NotebookList.prototype.load_list = function () {
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var that = this;
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var settings = {
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processData : false,
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cache : false,
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type : "GET",
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dataType : "json",
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success : $.proxy(this.list_loaded, this),
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error : $.proxy( function(xhr, status, error){
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utils.log_ajax_error(xhr, status, error);
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that.list_loaded([], null, null, {msg:"Error connecting to server."});
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},this)
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};
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var url = utils.url_join_encode(
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this.base_url,
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'api',
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'notebooks',
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this.notebook_path
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);
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$.ajax(url, settings);
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};
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NotebookList.prototype.list_loaded = function (data, status, xhr, param) {
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var message = 'Notebook list empty.';
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if (param !== undefined && param.msg) {
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message = param.msg;
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}
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var item = null;
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var len = data.length;
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this.clear_list();
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if (len === 0) {
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item = this.new_notebook_item(0);
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var span12 = item.children().first();
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span12.empty();
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span12.append($('<div style="margin:auto;text-align:center;color:grey"/>').text(message));
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}
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var path = this.notebook_path;
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var offset = 0;
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if (path !== '') {
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item = this.new_notebook_item(0);
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this.add_dir(path, '..', item);
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offset = 1;
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}
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for (var i=0; i<len; i++) {
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if (data[i].type === 'directory') {
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var name = data[i].name;
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item = this.new_notebook_item(i+offset);
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this.add_dir(path, name, item);
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} else {
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var name = data[i].name;
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item = this.new_notebook_item(i+offset);
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this.add_link(path, name, item);
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name = utils.url_path_join(path, name);
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if(this.sessions[name] === undefined){
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this.add_delete_button(item);
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} else {
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this.add_shutdown_button(item,this.sessions[name]);
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}
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}
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}
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};
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NotebookList.prototype.new_notebook_item = function (index) {
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var item = $('<div/>').addClass("list_item").addClass("row");
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// item.addClass('list_item ui-widget ui-widget-content ui-helper-clearfix');
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// item.css('border-top-style','none');
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item.append($("<div/>").addClass("span12").append(
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$('<i/>').addClass('item_icon')
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).append(
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$("<a/>").addClass("item_link").append(
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$("<span/>").addClass("item_name")
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)
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).append(
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$('<div/>').addClass("item_buttons btn-group pull-right")
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));
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if (index === -1) {
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this.element.append(item);
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} else {
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this.element.children().eq(index).after(item);
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}
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return item;
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};
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NotebookList.prototype.add_dir = function (path, name, item) {
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item.data('name', name);
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item.data('path', path);
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item.find(".item_name").text(name);
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item.find(".item_icon").addClass('folder_icon').addClass('icon-fixed-width');
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item.find("a.item_link")
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.attr('href',
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utils.url_join_encode(
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this.base_url,
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"tree",
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path,
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name
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)
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);
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};
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NotebookList.prototype.add_link = function (path, nbname, item) {
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item.data('nbname', nbname);
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item.data('path', path);
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item.find(".item_name").text(nbname);
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item.find(".item_icon").addClass('notebook_icon').addClass('icon-fixed-width');
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item.find("a.item_link")
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.attr('href',
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utils.url_join_encode(
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this.base_url,
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"notebooks",
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path,
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nbname
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)
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).attr('target','_blank');
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};
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NotebookList.prototype.add_name_input = function (nbname, item) {
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item.data('nbname', nbname);
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item.find(".item_icon").addClass('notebook_icon').addClass('icon-fixed-width');
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item.find(".item_name").empty().append(
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$('<input/>')
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.addClass("nbname_input")
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.attr('value', utils.splitext(nbname)[0])
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.attr('size', '30')
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.attr('type', 'text')
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);
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};
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NotebookList.prototype.add_notebook_data = function (data, item) {
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item.data('nbdata', data);
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};
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NotebookList.prototype.add_shutdown_button = function (item, session) {
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var that = this;
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var shutdown_button = $("<button/>").text("Shutdown").addClass("btn btn-xs btn-danger").
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click(function (e) {
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var settings = {
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processData : false,
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cache : false,
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type : "DELETE",
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dataType : "json",
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success : function () {
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that.load_sessions();
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},
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error : utils.log_ajax_error,
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};
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var url = utils.url_join_encode(
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that.base_url,
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'api/sessions',
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session
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);
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$.ajax(url, settings);
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return false;
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});
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// var new_buttons = item.find('a'); // shutdown_button;
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item.find(".item_buttons").text("").append(shutdown_button);
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};
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NotebookList.prototype.add_delete_button = function (item) {
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var new_buttons = $('<span/>').addClass("btn-group pull-right");
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var notebooklist = this;
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var delete_button = $("<button/>").text("Delete").addClass("btn btn-default btn-xs").
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click(function (e) {
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// $(this) is the button that was clicked.
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var that = $(this);
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// We use the nbname and notebook_id from the parent notebook_item element's
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// data because the outer scopes values change as we iterate through the loop.
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var parent_item = that.parents('div.list_item');
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var nbname = parent_item.data('nbname');
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var message = 'Are you sure you want to permanently delete the notebook: ' + nbname + '?';
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IPython.dialog.modal({
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title : "Delete notebook",
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body : message,
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buttons : {
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Delete : {
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class: "btn-danger",
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click: function() {
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var settings = {
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processData : false,
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cache : false,
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type : "DELETE",
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dataType : "json",
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success : function (data, status, xhr) {
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parent_item.remove();
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},
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error : utils.log_ajax_error,
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};
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var url = utils.url_join_encode(
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notebooklist.base_url,
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'api/notebooks',
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notebooklist.notebook_path,
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nbname
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);
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$.ajax(url, settings);
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}
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},
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Cancel : {}
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}
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});
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return false;
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});
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item.find(".item_buttons").text("").append(delete_button);
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};
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NotebookList.prototype.add_upload_button = function (item) {
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var that = this;
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var upload_button = $('<button/>').text("Upload")
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.addClass('btn btn-primary btn-xs upload_button')
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.click(function (e) {
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var nbname = item.find('.item_name > input').val();
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if (nbname.slice(nbname.length-6, nbname.length) != ".ipynb") {
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nbname = nbname + ".ipynb";
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}
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var path = that.notebook_path;
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var nbdata = item.data('nbdata');
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var content_type = 'application/json';
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var model = {
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content : JSON.parse(nbdata),
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};
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var settings = {
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processData : false,
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cache : false,
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type : 'PUT',
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dataType : 'json',
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data : JSON.stringify(model),
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headers : {'Content-Type': content_type},
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success : function (data, status, xhr) {
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that.add_link(path, nbname, item);
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that.add_delete_button(item);
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},
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error : utils.log_ajax_error,
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};
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var url = utils.url_join_encode(
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that.base_url,
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'api/notebooks',
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that.notebook_path,
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nbname
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);
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$.ajax(url, settings);
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return false;
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});
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var cancel_button = $('<button/>').text("Cancel")
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.addClass("btn btn-default btn-xs")
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.click(function (e) {
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console.log('cancel click');
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item.remove();
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return false;
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});
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item.find(".item_buttons").empty()
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.append(upload_button)
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.append(cancel_button);
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};
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NotebookList.prototype.new_notebook = function(){
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var path = this.notebook_path;
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var base_url = this.base_url;
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var settings = {
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processData : false,
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cache : false,
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type : "POST",
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dataType : "json",
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async : false,
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success : function (data, status, xhr) {
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var notebook_name = data.name;
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window.open(
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utils.url_join_encode(
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base_url,
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'notebooks',
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path,
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notebook_name),
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'_blank'
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);
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},
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error : $.proxy(this.new_notebook_failed, this),
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};
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var url = utils.url_join_encode(
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base_url,
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'api/notebooks',
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path
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);
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$.ajax(url, settings);
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};
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NotebookList.prototype.new_notebook_failed = function (xhr, status, error) {
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utils.log_ajax_error(xhr, status, error);
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var msg;
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if (xhr.responseJSON && xhr.responseJSON.message) {
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msg = xhr.responseJSON.message;
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} else {
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msg = xhr.statusText;
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}
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IPython.dialog.modal({
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title : 'Creating Notebook Failed',
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body : "The error was: " + msg,
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buttons : {'OK' : {'class' : 'btn-primary'}}
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});
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}
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IPython.NotebookList = NotebookList;
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return IPython;
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}(IPython));
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