Use yaml to parse and also to create a bokeh chart

Bokeh YAML.ipynb

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   "source": [
    "> Based on [this](http://nbviewer.ipython.org/gist/tonyfast/db6830cd9e68aa14dd8e/bokeh_yaml.ipynb)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
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   "outputs": [],
   "source": [
    "from bokeh.charts import output_notebook, show\n",
    "from bokeh import charts\n",
    "from bokeh.resources import CDN\n",
    "\n",
    "import yaml\n",
    "from yaml import SafeLoader, Loader, BaseLoader"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "    \n",
       "        <link rel=\"stylesheet\" href=\"http://cdn.pydata.org/bokeh/release/bokeh-0.9.2.min.css\" type=\"text/css\" />\n",
       "        <script type=\"text/javascript\" src=\"http://cdn.pydata.org/bokeh/release/bokeh-0.9.2.min.js\"></script>\n",
       "        <script type=\"text/javascript\">\n",
       "            Bokeh.set_log_level(\"info\");\n",
       "        </script>\n",
       "    <div>\n",
       "        <a href=\"http://bokeh.pydata.org\" target=\"_blank\" class=\"bk-logo bk-logo-small bk-logo-notebook\"></a>\n",
       "        <span>BokehJS successfully loaded.</span>\n",
       "    </div>\n",
       "    <p style=\"background-color: #f2d7dc;\">Warning: BokehJS previously loaded</p>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "output_notebook(resources=CDN)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "%reload_ext yamlmagic"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "class BokehLoader(SafeLoader):\n",
    "    pass"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false
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   "outputs": [],
   "source": [
    "def line_constructor(loader, node):\n",
    "    bits = loader.construct_mapping(node, deep=True)\n",
    "    return charts.Line(**bits)\n",
    "\n",
    "BokehLoader.add_constructor(\"!line\", line_constructor)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
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   "outputs": [
    {
     "data": {
      "application/javascript": [
       "\n",
       "            require(\n",
       "                [\n",
       "                    \"notebook/js/codecell\",\n",
       "                    \"codemirror/mode/yaml/yaml\"\n",
       "                ],\n",
       "                function(cc){\n",
       "                    cc.CodeCell.options_default.highlight_modes.magic_yaml = {\n",
       "                        reg: [\"^%%yaml\"]\n",
       "                    }\n",
       "                }\n",
       "            );\n",
       "            "
      ],
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "%%yaml plot -lBokehLoader\n",
    "!line\n",
    "    values:\n",
    "        y: [6, 7, 2, 4, 5]\n",
    "        z: [1, 5, 12, 4, 2]\n",
    "    title: simple line example \n",
    "    xlabel: x\n",
    "    ylabel: values\n",
    "    width: 400\n",
    "    height: 400"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": false
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   "outputs": [
    {
     "data": {
      "text/html": [
       "<script type=\"text/javascript\">\n",
       "        Bokeh.$(function() {\n",
       "            var all_models = [{\"type\": \"HelpTool\", \"attributes\": {\"plot\": {\"type\": \"Plot\", \"subtype\": \"Chart\", \"id\": \"3ebddb4a-d0bf-4d36-91b5-ae7b006404ec\"}, \"doc\": null, \"tags\": [], \"id\": \"f29519c5-aadc-488f-b27e-12f24fa0a544\"}, \"id\": \"f29519c5-aadc-488f-b27e-12f24fa0a544\"}, {\"type\": \"Line\", \"attributes\": {\"y\": {\"field\": \"y_y\"}, \"line_color\": {\"value\": \"#f22c40\"}, \"id\": \"e1e4a776-e944-4f5b-8073-e4d924ab90a8\", \"doc\": null, \"x\": {\"field\": \"x\"}, \"tags\": []}, \"id\": \"e1e4a776-e944-4f5b-8073-e4d924ab90a8\"}, {\"type\": \"LinearAxis\", \"attributes\": {\"axis_label\": \"values\", \"formatter\": {\"type\": \"BasicTickFormatter\", \"id\": \"97dbe69e-d261-4670-b2fa-6ef51581d286\"}, \"id\": \"c9dde829-b217-476a-b46e-aa5b9adca4df\", \"ticker\": {\"type\": \"BasicTicker\", \"id\": \"b4a6973b-725e-4ab0-a414-43a9d132702c\"}, \"plot\": {\"type\": \"Plot\", \"subtype\": \"Chart\", \"id\": \"3ebddb4a-d0bf-4d36-91b5-ae7b006404ec\"}, \"doc\": null, \"tags\": []}, \"id\": \"c9dde829-b217-476a-b46e-aa5b9adca4df\"}, {\"type\": \"LinearAxis\", \"attributes\": {\"axis_label\": \"x\", \"formatter\": {\"type\": \"BasicTickFormatter\", \"id\": \"288bdf15-0f54-410c-9477-b93435ba84e7\"}, \"id\": \"2423367e-e9d3-42ba-85a7-9b3f4d50dc4a\", \"ticker\": {\"type\": \"BasicTicker\", \"id\": \"1fdfccaf-829e-4d73-b142-adb6c542d9b8\"}, \"plot\": {\"type\": \"Plot\", \"subtype\": \"Chart\", \"id\": \"3ebddb4a-d0bf-4d36-91b5-ae7b006404ec\"}, \"doc\": null, \"tags\": []}, \"id\": \"2423367e-e9d3-42ba-85a7-9b3f4d50dc4a\"}, {\"type\": \"PreviewSaveTool\", \"attributes\": {\"plot\": {\"type\": \"Plot\", \"subtype\": \"Chart\", \"id\": \"3ebddb4a-d0bf-4d36-91b5-ae7b006404ec\"}, \"doc\": null, \"tags\": [], \"id\": \"3ae20ad9-a799-42fc-900a-f81422be4b05\"}, \"id\": \"3ae20ad9-a799-42fc-900a-f81422be4b05\"}, {\"type\": \"ColumnDataSource\", \"attributes\": {\"callback\": null, \"selected\": {\"1d\": 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\"id\": \"869279c3-e6d5-40a2-86ab-3d13394f2254\"}}, \"id\": \"fb157fcb-307d-47b4-8ce6-242216515330\"}, {\"type\": \"ResetTool\", \"attributes\": {\"plot\": {\"type\": \"Plot\", \"subtype\": \"Chart\", \"id\": \"3ebddb4a-d0bf-4d36-91b5-ae7b006404ec\"}, \"doc\": null, \"tags\": [], \"id\": \"25e89f21-0343-4ad1-901f-2de2598e6b93\"}, \"id\": \"25e89f21-0343-4ad1-901f-2de2598e6b93\"}, {\"type\": \"BasicTicker\", \"attributes\": {\"mantissas\": [2, 5, 10], \"doc\": null, \"tags\": [], \"id\": \"1fdfccaf-829e-4d73-b142-adb6c542d9b8\"}, \"id\": \"1fdfccaf-829e-4d73-b142-adb6c542d9b8\"}, {\"type\": \"Plot\", \"attributes\": {\"right\": [], \"title\": \"simple line example\", \"tools\": [{\"type\": \"PanTool\", \"id\": \"69189d33-c5b8-4b89-9804-0079bc294e52\"}, {\"type\": \"WheelZoomTool\", \"id\": \"622811c0-bdaf-46e6-b85f-c26c4499e1ec\"}, {\"type\": \"BoxZoomTool\", \"id\": \"53e1c539-0996-44eb-a35a-4ef44705efd4\"}, {\"type\": \"PreviewSaveTool\", \"id\": 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\"names\": [], \"tags\": []}, \"id\": \"7fb0837c-15db-410e-95f1-ea0bcbcb2e1e\"}];\n",
       "            Bokeh.load_models(all_models);\n",
       "            var plots = [{'modelid': '3ebddb4a-d0bf-4d36-91b5-ae7b006404ec', 'elementid': '#114f82cd-f9ff-4be8-939c-83bd29ca432d', 'modeltype': 'Plot'}];\n",
       "            for (idx in plots) {\n",
       "            \tvar plot = plots[idx];\n",
       "            \tvar model = Bokeh.Collections(plot.modeltype).get(plot.modelid);\n",
       "            \tBokeh.logger.info('Realizing plot:')\n",
       "            \tBokeh.logger.info(' - modeltype: ' + plot.modeltype);\n",
       "            \tBokeh.logger.info(' - modelid: ' + plot.modelid);\n",
       "            \tBokeh.logger.info(' - elementid: ' + plot.elementid);\n",
       "            \tvar view = new model.default_view({\n",
       "            \t\tmodel: model,\n",
       "            \t\tel: plot.elementid\n",
       "            \t});\n",
       "            \tBokeh.index[plot.modelid] = view;\n",
       "            }\n",
       "        });\n",
       "    </script>\n",
       "<div class=\"plotdiv\" id=\"114f82cd-f9ff-4be8-939c-83bd29ca432d\"></div>\n",
       "\n"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "show(plot)"
   ]
  }
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