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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Build the Variable Inspector"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from IPython.html import widgets\n",
"from IPython.display import display\n",
"import re"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Custom SidePanel View"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"%%javascript\n",
"\n",
"require([\"notebook/js/widget\"], function(){\n",
"\n",
" // Define the FilePickerView\n",
" var SidePanelView = IPython.WidgetView.extend({\n",
" \n",
" render: function(){ \n",
" var table_div = $('<div />', {id: 'var_inspect'})\n",
" .addClass('hbox');\n",
" var body_div = $('<div />')\n",
" .css('width', '80%')\n",
" .css('height', '100%')\n",
" .appendTo(table_div);\n",
" this.panel_div = $('<div />')\n",
" .css('width', '20%')\n",
" .css('height', '100%')\n",
" .appendTo(table_div);\n",
" \n",
" var body = $('body');\n",
" var site = body.find('#site');\n",
" site.detach();\n",
" body.find('#var_inspect').remove();\n",
" body.append(table_div);\n",
" site.appendTo(body_div);\n",
" },\n",
"\n",
" display_child: function(view) {\n",
" this.panel_div.append(view.$el);\n",
" },\n",
" });\n",
" \n",
" // Register the DatePickerView with the widget manager.\n",
" IPython.widget_manager.register_widget_view('SidePanelView', SidePanelView);\n",
"});"
],
"language": "python",
"metadata": {},
"outputs": [
{
"javascript": [
"\n",
"require([\"notebook/js/widget\"], function(){\n",
"\n",
" // Define the FilePickerView\n",
" var SidePanelView = IPython.WidgetView.extend({\n",
" \n",
" render: function(){ \n",
" var table_div = $('<div />', {id: 'var_inspect'})\n",
" .addClass('hbox');\n",
" var body_div = $('<div />')\n",
" .css('width', '80%')\n",
" .css('height', '100%')\n",
" .appendTo(table_div);\n",
" this.panel_div = $('<div />')\n",
" .css('width', '20%')\n",
" .css('height', '100%')\n",
" .appendTo(table_div);\n",
" \n",
" var body = $('body');\n",
" var site = body.find('#site');\n",
" site.detach();\n",
" body.find('#var_inspect').remove();\n",
" body.append(table_div);\n",
" site.appendTo(body_div);\n",
" },\n",
"\n",
" display_child: function(view) {\n",
" this.panel_div.append(view.$el);\n",
" },\n",
" });\n",
" \n",
" // Register the DatePickerView with the widget manager.\n",
" IPython.widget_manager.register_widget_view('SidePanelView', SidePanelView);\n",
"});"
],
"metadata": {},
"output_type": "display_data",
"text": [
"<IPython.core.display.Javascript at 0x7f4e70015050>"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Create Variable Inspector Controls"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"_side_panel = widgets.ContainerWidget(default_view_name=\"SidePanelView\")\n",
"\n",
"_modal_div = widgets.ContainerWidget(parent=_side_panel)\n",
"_modal_div.set_css({'padding-top': '60px',\n",
" 'padding-right': '40px',\n",
" 'padding-left': '10px',})\n",
"\n",
"_modal_header = widgets.ContainerWidget(parent=_modal_div)\n",
"_modal_header_label = widgets.StringWidget(parent=_modal_header, default_view_name=\"LabelView\")\n",
"_modal_header_label.value = '<h3>Variable Inspector</h3>'\n",
"_modal_header_execs_label = widgets.StringWidget(parent=_modal_header, default_view_name=\"LabelView\")\n",
"_modal_header_execs_label.execs = 0\n",
"\n",
"_modal_body = widgets.ContainerWidget(parent=_modal_div)\n",
"_modal_body.vbox()\n",
"\n",
"_modal_body_label = widgets.StringWidget(parent=_modal_body, default_view_name=\"LabelView\")\n",
"_modal_body_label.value = 'Not hooked'\n",
"\n",
"_modal_footer = widgets.ContainerWidget(parent=_modal_div)\n",
"_modal_footer.vbox()\n",
"_var_filter = widgets.SelectionWidget(values=['Public', 'Private', 'IPython'], parent=_modal_footer, value='Public', default_view_name='ToggleButtonsView')\n",
"\n",
"display(_side_panel)\n",
"\n",
"_modal_header.add_class('modal-header')\n",
"_modal_body.add_class('modal-body')\n",
"_modal_footer.add_class('modal-footer')\n"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Method that Fills the Inspector"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"_ipython_input = re.compile('_i[0-9]*')\n",
"\n",
"def _fill_inspector():\n",
" \n",
" # Apply filter to variable names.\n",
" names = []\n",
" for name in sorted(_ipython.user_ns):\n",
" \n",
" match = _ipython_input.match(name)\n",
" is_ipython = (match is not None and match.group() == name) or \\\n",
" name == '_dh' or \\\n",
" name == '_ih' or \\\n",
" name == '_ii' or \\\n",
" name == '_iii' or \\\n",
" name == '_oh' or \\\n",
" name == '_sh' or \\\n",
" name == 'get_ipython' or \\\n",
" name == 'In' or \\\n",
" name == 'Out' or \\\n",
" name == 'exit' or \\\n",
" name == 'help' or \\\n",
" name == 'quit' or \\\n",
" name == '_' or \\\n",
" name == '__' or \\\n",
" name == '___'\n",
" \n",
" is_private = name.startswith('_')\n",
" is_public = not is_private\n",
" \n",
" var_filter = _var_filter.value\n",
" if var_filter == 'IPython' and is_ipython:\n",
" names.append(name)\n",
" elif var_filter == 'Private' and (is_private and not is_ipython):\n",
" names.append(name)\n",
" elif var_filter == 'Public' and (is_public and not is_ipython):\n",
" names.append(name)\n",
" \n",
" # Render each name and it's value.\n",
" variable_list_html = \"\"\"\n",
"<table class=\"table table-bordered table-striped\" style=\"width: 100%; overflow: hidden; table-layout:fixed;\">\n",
" <tr><th>Name</th><th>Type</th><th>Value</th>\"\"\"\n",
" for name in names:\n",
" var_value = _ipython.user_ns[name]\n",
" var_type = type(var_value)\n",
" var_small_value = str(var_value)[:100].replace(\"&\", \"&amp;\").replace(\"<\", \"&lt;\")\n",
" \n",
" if str(var_value) != var_small_value:\n",
" var_small_value += '<br><div class=\"label label-info\">...</div>'\n",
" \n",
" row = \"\"\"\n",
"<tr style='overflow: hidden;'>\n",
" <td style='width: 30%; overflow: hidden;'>{name}</td>\n",
" <td style='width: 30%; overflow: hidden;'>{type}</td>\n",
" <td style='width: 40%; overflow: hidden;'>{small_value}</td>\n",
"</tr>\n",
"\"\"\".format(name=name, type=var_type.__name__, small_value=var_small_value, value=str(var_value))\n",
" variable_list_html += row + '\\n'\n",
" variable_list_html += '</table>'\n",
" _modal_body_label.value = variable_list_html\n",
" \n",
" "
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Hook Cell Execute and Filter Change"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"_ipython = get_ipython()\n",
"\n",
"try:\n",
" del _ipython._post_execute[handle_cell_executed]\n",
"except:\n",
" pass\n",
"\n",
"def _handle_cell_executed():\n",
" _modal_header_execs_label.execs += 1\n",
" _modal_header_execs_label.value = '%d cell executions captured' % _modal_header_execs_label.execs\n",
" _fill_inspector()\n",
"_ipython.register_post_execute(_handle_cell_executed)\n",
"\n",
"def _handle_filter_changed():\n",
" _fill_inspector()\n",
"_var_filter.on_trait_change(_handle_filter_changed, 'value')"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Test"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"a = 5"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 6
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"b = 3.0"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 7
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"c = a * b"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 8
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"d = \"String\""
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 9
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"del b"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 10
}
],
"metadata": {}
}
]
}