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1 | 1 | // Copyright (c) IPython Development Team. |
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2 | 2 | // Distributed under the terms of the Modified BSD License. |
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3 | 3 | |
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4 | 4 | define([ |
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5 | 5 | 'base/js/namespace', |
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6 | 6 | 'jquery', |
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7 | 7 | 'base/js/utils', |
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8 | 8 | ], function(IPython, $, utils) { |
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9 | 9 | "use strict"; |
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10 | 10 | |
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11 | 11 | var KernelSelector = function(selector, notebook) { |
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12 | 12 | this.selector = selector; |
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13 | 13 | this.notebook = notebook; |
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14 | 14 | this.events = notebook.events; |
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15 | 15 | this.current_selection = null; |
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16 | 16 | this.kernelspecs = {}; |
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17 | 17 | if (this.selector !== undefined) { |
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18 | 18 | this.element = $(selector); |
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19 | 19 | this.request_kernelspecs(); |
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20 | 20 | } |
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21 | 21 | this.bind_events(); |
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22 | 22 | // Make the object globally available for user convenience & inspection |
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23 | 23 | IPython.kernelselector = this; |
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24 | 24 | }; |
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25 | 25 | |
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26 | 26 | KernelSelector.prototype.request_kernelspecs = function() { |
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27 | 27 | var url = utils.url_join_encode(this.notebook.base_url, 'api/kernelspecs'); |
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28 | 28 | utils.promising_ajax(url).then($.proxy(this._got_kernelspecs, this)); |
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29 | 29 | }; |
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30 | 30 | |
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31 | 31 | KernelSelector.prototype._got_kernelspecs = function(data) { |
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32 | 32 | this.kernelspecs = data.kernelspecs; |
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33 | 33 | var menu = this.element.find("#kernel_selector"); |
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34 | 34 | var change_kernel_submenu = $("#menu-change-kernel-submenu"); |
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35 | 35 | var keys = Object.keys(data.kernelspecs).sort(function (a, b) { |
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36 | 36 | // sort by display_name |
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37 | 37 | var da = data.kernelspecs[a].display_name; |
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38 | 38 | var db = data.kernelspecs[b].display_name; |
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39 | 39 | if (da === db) { |
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40 | 40 | return 0; |
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41 | 41 | } else if (da > db) { |
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42 | 42 | return 1; |
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43 | 43 | } else { |
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44 | 44 | return -1; |
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45 | 45 | } |
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46 | 46 | }); |
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47 | 47 | for (var i = 0; i < keys.length; i++) { |
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48 | 48 | var ks = this.kernelspecs[keys[i]]; |
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49 | 49 | var ksentry = $("<li>").attr("id", "kernel-" +ks.name).append($('<a>') |
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50 | 50 | .attr('href', '#') |
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51 | 51 | .click($.proxy(this.change_kernel, this, ks.name)) |
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52 | 52 | .text(ks.display_name)); |
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53 | 53 | menu.append(ksentry); |
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54 | 54 | |
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55 | 55 | var ks_submenu_entry = $("<li>").attr("id", "kernel-submenu-"+ks.name).append($('<a>') |
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56 | 56 | .attr('href', '#') |
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57 | 57 | .click($.proxy(this.change_kernel, this, ks.name)) |
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58 | 58 | .text(ks.display_name)); |
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59 | 59 | change_kernel_submenu.append(ks_submenu_entry); |
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60 | 60 | } |
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61 | 61 | }; |
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62 | 62 | |
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63 | 63 | KernelSelector.prototype.change_kernel = function(kernel_name) { |
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64 | 64 | if (kernel_name === this.current_selection) { |
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65 | 65 | return; |
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66 | 66 | } |
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67 | 67 | var ks = this.kernelspecs[kernel_name]; |
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68 | 68 | try { |
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69 | 69 | this.notebook.start_session(kernel_name); |
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70 | 70 | } catch (e) { |
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71 | 71 | if (e.name === 'SessionAlreadyStarting') { |
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72 | 72 | console.log("Cannot change kernel while waiting for pending session start."); |
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73 | 73 | } else { |
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74 | 74 | // unhandled error |
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75 | 75 | throw e; |
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76 | 76 | } |
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77 | 77 | // only trigger spec_changed if change was successful |
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78 | 78 | return; |
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79 | 79 | } |
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80 | 80 | this.events.trigger('spec_changed.Kernel', ks); |
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81 | 81 | }; |
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82 | 82 | |
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83 | 83 | KernelSelector.prototype.bind_events = function() { |
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84 | 84 | var that = this; |
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85 | 85 | this.events.on('spec_changed.Kernel', function(event, data) { |
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86 | 86 | that.current_selection = data.name; |
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87 | 87 | that.element.find("#current_kernel_spec").find('.kernel_name').text(data.display_name); |
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88 | that.element.find("#current_kernel_logo").attr("src", "/kernelspecs/"+data.name+"/logo-64.png"); | |
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88 | that.element.find("#current_kernel_logo").attr("src", "/kernelspecs/"+data.name+"/logo-64x64.png"); | |
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89 | 89 | }); |
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90 | 90 | |
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91 | 91 | this.events.on('kernel_created.Session', function(event, data) { |
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92 | 92 | if (data.kernel.name !== that.current_selection) { |
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93 | 93 | // If we created a 'python' session, we only know if it's Python |
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94 | 94 | // 3 or 2 on the server's reply, so we fire the event again to |
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95 | 95 | // set things up. |
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96 | 96 | var ks = that.kernelspecs[data.kernel.name]; |
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97 | 97 | that.events.trigger('spec_changed.Kernel', ks); |
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98 | 98 | } |
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99 | 99 | }); |
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100 | 100 | |
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101 | 101 | var logo_img = this.element.find("#current_kernel_logo") |
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102 | 102 | logo_img.on("load", function() { |
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103 | 103 | logo_img.show(); |
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104 | 104 | }); |
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105 | 105 | logo_img.on("error", function() { |
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106 | 106 | logo_img.hide(); |
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107 | 107 | }); |
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108 | 108 | }; |
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109 | 109 | |
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110 | 110 | return {'KernelSelector': KernelSelector}; |
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111 | 111 | }); |
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1 | NO CONTENT: file renamed from IPython/kernel/resources/logo-32.png to IPython/kernel/resources/logo-32x32.png |
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1 | NO CONTENT: file renamed from IPython/kernel/resources/logo-64.png to IPython/kernel/resources/logo-64x64.png |
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