{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "# %load_ext autoreload\n",
    "# %autoreload 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "If you see <IPython.core.display.Javascript object> below, this notebook is not trusted.\n",
      "As a consequence Autorun cannot work.\n",
      "Run \"from notebook_autorun import Autorun; Autorun.info()\" for more info.\n"
     ]
    },
    {
     "data": {
      "application/javascript": [
       "\n",
       "\"use strict\";\n",
       "\n",
       "console.log('start main');\n",
       "\n",
       "require([\n",
       "\t'jquery',\n",
       "\t'base/js/dialog',\n",
       "\t'base/js/events',\n",
       "\t'base/js/namespace',\n",
       "\t'notebook/js/celltoolbar',\n",
       "\t'notebook/js/codecell',\n",
       "\t'base/js/promises'\n",
       "], function (\n",
       "\t$,\n",
       "\tdialog,\n",
       "\tevents,\n",
       "\tJupyter,\n",
       "\tcelltoolbar,\n",
       "\tcodecell,\n",
       "\tpromises\n",
       ") {\n",
       "\t\t// promises.app_initialized.then(function (appname) {\n",
       "\t\tevents.on('kernel_ready.Kernel', function () {\n",
       "\t\t\tconsole.log('start autorun');\n",
       "\t\t\tif (Jupyter.notebook.trusted) {\n",
       "\t\t\t\t// notebook is trusted js can run\n",
       "\t\t\t\tconsole.log('notebook is trusted');\n",
       "\t\t\t\tlet nbCells = Jupyter.notebook.get_cells(),\n",
       "\t\t\t\t\tarrCells;\n",
       "\t\t\t\twindow.debugNbCells = nbCells;\n",
       "\n",
       "\t\t\t\t\n",
       "\n",
       "\t\t\t\t\n",
       "\t\t\t\t\n",
       "\n",
       "function getCellsFromMetadata(nbCells) {\n",
       "\n",
       "\tlet arrCell = [];\n",
       "\tfor (let [i, nbCell] of nbCells.entries()) {\n",
       "\t\tif (nbCell.metadata.autorun) {\n",
       "\t\t\tarrCell.push(i);\n",
       "\t\t}\n",
       "\t}\n",
       "\n",
       "\treturn arrCell;\n",
       "}\n",
       "\t\t\t\tarrCells = getCellsFromMetadata(nbCells);\n",
       "\t\t\t\t\n",
       "\n",
       "\t\t\t\t\n",
       "\n",
       "\t\t\t\tconsole.log(arrCells);\n",
       "\t\t\t\t// console.log(nbCells);\n",
       "\t\t\t\tfor (let i of arrCells) {\n",
       "\t\t\t\t\tlet nbCell = nbCells[i];\n",
       "\t\t\t\t\tif (nbCell) {\n",
       "\t\t\t\t\t\tconsole.log('execute cell ' + i);\n",
       "\t\t\t\t\t\tnbCell.execute();\n",
       "\t\t\t\t\t}\n",
       "\t\t\t\t\telse {\n",
       "\t\t\t\t\t\tconsole.log('cell ' + i + ' does not exist');\n",
       "\t\t\t\t\t}\n",
       "\t\t\t\t}\n",
       "\t\t\t}\n",
       "\t\t\telse {\n",
       "\t\t\t\t// notebook is not trusted let the user know about it\n",
       "\t\t\t\tconsole.log('notebook is not trusted');\n",
       "\t\t\t\tconsole.log('nothing is done');\n",
       "\t\t\t}\n",
       "\t\t\t// }\n",
       "\t\t});\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "\t});\n",
       "\n",
       "console.log('end main');"
      ],
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "text/markdown": [
       "This output cell contains **notebook-autorun** settings:  \n",
       "```json\n",
       "   {\"str_cells\": null, \"metadata\": true, \"comment\": false, \"comment_flag\": \"# AUTORUN\"}  \n",
       "```"
      ],
      "text/plain": [
       "<IPython.core.display.Markdown object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "from notebook_autorun import Autorun\n",
    "cells = '3,-1'\n",
    "Autorun(cells=cells, metadata=False, comment=False, focus=None, verbose=True).add_js()\n",
    "\n",
    "# in nbviewer.org the Javascript object (code) and Markdown object (status msg) are displayed\n",
    "# as there is no security mechanism disabling their execution - as opposed to the real notebook\n",
    "# So you should see the following, instead of the actual status message:\n",
    "#\n",
    "#<IPython.core.display.Javascript object>\n",
    "#\n",
    "#<IPython.core.display.Markdown object>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/markdown": [
       "### notebook-autorun\n",
       "\n",
       "This module enables auto-run of certains cells at notebook kernel start.  \n",
       "It will work **only** for <span style=\"color: red\">**trusted**</span> notebooks.  \n",
       "\n",
       "#### 1 - Settings\n",
       "\n",
       "The cells to autorun can be determined by one of the 3 args below.  \n",
       "Only one of them must be specified:  \n",
       "+ `cells`: List of 0-indexed cells or String representing a list of cells. [Python list slices](https://docs.python.org/2.3/whatsnew/section-slices.html) are allowed. Default is `None`. `cells` is stringified to `str_cells` before passing to javascript. Invalid cell numbers (e.g. greater than the notebook number of cells) are ignored. Examples: [2, 3], '2,3', '2:', ':-2', '4:8', '::-1'  \n",
       "+ `metadata`: Boolean (default is `False`). If `True`, all cells with medatada `\"autorun\": true` are concerned.  \n",
       "+ `comment`: Boolean (default is `False`). If `True`, all cells containing a comment `comment_flag` (default is `# AUTORUN`) are concerned.  \n",
       "\n",
       "\n",
       "#### 2 - Security\n",
       "\n",
       "Because a notebook is designed to allow the user to write arbitrary code, it has full access to many resources.   \n",
       "\n",
       "The typical risks are the following:\n",
       "+ A notebook has access to your file system and can therefore potentially read/modify/delete any of your files or send them to an attacker, or write a new file (virus).  \n",
       "+ A notebook may contain javascript in output cells which can read you cookies and local storage and potentially send them to an attacker.  \n",
       "\n",
       "See the [Security in notebook documents](https://jupyter-notebook.readthedocs.io/en/stable/security.html#security-in-notebook-documents) section of the official [Jupyter Notebook documentation](https://jupyter-notebook.readthedocs.io/en/stable/index.html) for more info.  \n",
       "\n",
       "Therefore you **should review** and **must trust** the notebook before you can use **notebook-autorun**."
      ],
      "text/plain": [
       "<IPython.core.display.Markdown object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# manually executed after previous cell failure and indication\n",
    "from notebook_autorun import Autorun; Autorun.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "autorun": true
   },
   "outputs": [],
   "source": [
    "i = 11; print(i); i += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "autorun": true
   },
   "outputs": [],
   "source": [
    "print(i); i += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(i); i += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(i); i += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(i); i += 1"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.6.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}