Jupyter builtin magic commands and variable explorer.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "[interactive magics](https://ipython.org/ipython-doc/3/interactive/magics.html)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "[some tips and tricks from dataquest](https://www.dataquest.io/blog/jupyter-notebook-tips-tricks-shortcuts/)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/json": {
       "cell": {
        "!": "OSMagics",
        "HTML": "Other",
        "SVG": "Other",
        "bash": "Other",
        "capture": "ExecutionMagics",
        "cmd": "Other",
        "debug": "ExecutionMagics",
        "file": "Other",
        "html": "DisplayMagics",
        "javascript": "DisplayMagics",
        "js": "DisplayMagics",
        "latex": "DisplayMagics",
        "markdown": "DisplayMagics",
        "perl": "Other",
        "prun": "ExecutionMagics",
        "pypy": "Other",
        "python": "Other",
        "python2": "Other",
        "python3": "Other",
        "ruby": "Other",
        "script": "ScriptMagics",
        "sh": "Other",
        "svg": "DisplayMagics",
        "sx": "OSMagics",
        "system": "OSMagics",
        "time": "ExecutionMagics",
        "timeit": "ExecutionMagics",
        "writefile": "OSMagics"
       },
       "line": {
        "alias": "OSMagics",
        "alias_magic": "BasicMagics",
        "autocall": "AutoMagics",
        "automagic": "AutoMagics",
        "autosave": "KernelMagics",
        "bookmark": "OSMagics",
        "cd": "OSMagics",
        "clear": "KernelMagics",
        "cls": "KernelMagics",
        "colors": "BasicMagics",
        "config": "ConfigMagics",
        "connect_info": "KernelMagics",
        "copy": "Other",
        "ddir": "Other",
        "debug": "ExecutionMagics",
        "dhist": "OSMagics",
        "dirs": "OSMagics",
        "doctest_mode": "BasicMagics",
        "echo": "Other",
        "ed": "Other",
        "edit": "KernelMagics",
        "env": "OSMagics",
        "gui": "BasicMagics",
        "hist": "Other",
        "history": "HistoryMagics",
        "killbgscripts": "ScriptMagics",
        "ldir": "Other",
        "less": "KernelMagics",
        "load": "CodeMagics",
        "load_ext": "ExtensionMagics",
        "loadpy": "CodeMagics",
        "logoff": "LoggingMagics",
        "logon": "LoggingMagics",
        "logstart": "LoggingMagics",
        "logstate": "LoggingMagics",
        "logstop": "LoggingMagics",
        "ls": "Other",
        "lsmagic": "BasicMagics",
        "macro": "ExecutionMagics",
        "magic": "BasicMagics",
        "matplotlib": "PylabMagics",
        "mkdir": "Other",
        "more": "KernelMagics",
        "notebook": "BasicMagics",
        "page": "BasicMagics",
        "pastebin": "CodeMagics",
        "pdb": "ExecutionMagics",
        "pdef": "NamespaceMagics",
        "pdoc": "NamespaceMagics",
        "pfile": "NamespaceMagics",
        "pinfo": "NamespaceMagics",
        "pinfo2": "NamespaceMagics",
        "pip": "BasicMagics",
        "popd": "OSMagics",
        "pprint": "BasicMagics",
        "precision": "BasicMagics",
        "profile": "BasicMagics",
        "prun": "ExecutionMagics",
        "psearch": "NamespaceMagics",
        "psource": "NamespaceMagics",
        "pushd": "OSMagics",
        "pwd": "OSMagics",
        "pycat": "OSMagics",
        "pylab": "PylabMagics",
        "qtconsole": "KernelMagics",
        "quickref": "BasicMagics",
        "recall": "HistoryMagics",
        "rehashx": "OSMagics",
        "reload_ext": "ExtensionMagics",
        "ren": "Other",
        "rep": "Other",
        "rerun": "HistoryMagics",
        "reset": "NamespaceMagics",
        "reset_selective": "NamespaceMagics",
        "rmdir": "Other",
        "run": "ExecutionMagics",
        "save": "CodeMagics",
        "sc": "OSMagics",
        "set_env": "OSMagics",
        "store": "StoreMagics",
        "sx": "OSMagics",
        "system": "OSMagics",
        "tb": "ExecutionMagics",
        "time": "ExecutionMagics",
        "timeit": "ExecutionMagics",
        "unalias": "OSMagics",
        "unload_ext": "ExtensionMagics",
        "who": "NamespaceMagics",
        "who_ls": "NamespaceMagics",
        "whos": "NamespaceMagics",
        "xdel": "NamespaceMagics",
        "xmode": "BasicMagics"
       }
      },
      "text/plain": [
       "Available line magics:\n",
       "%alias  %alias_magic  %autocall  %automagic  %autosave  %bookmark  %cd  %clear  %cls  %colors  %config  %connect_info  %copy  %ddir  %debug  %dhist  %dirs  %doctest_mode  %echo  %ed  %edit  %env  %gui  %hist  %history  %killbgscripts  %ldir  %less  %load  %load_ext  %loadpy  %logoff  %logon  %logstart  %logstate  %logstop  %ls  %lsmagic  %macro  %magic  %matplotlib  %mkdir  %more  %notebook  %page  %pastebin  %pdb  %pdef  %pdoc  %pfile  %pinfo  %pinfo2  %popd  %pprint  %precision  %profile  %prun  %psearch  %psource  %pushd  %pwd  %pycat  %pylab  %qtconsole  %quickref  %recall  %rehashx  %reload_ext  %ren  %rep  %rerun  %reset  %reset_selective  %rmdir  %run  %save  %sc  %set_env  %store  %sx  %system  %tb  %time  %timeit  %unalias  %unload_ext  %who  %who_ls  %whos  %xdel  %xmode\n",
       "\n",
       "Available cell magics:\n",
       "%%!  %%HTML  %%SVG  %%bash  %%capture  %%cmd  %%debug  %%file  %%html  %%javascript  %%js  %%latex  %%markdown  %%perl  %%prun  %%pypy  %%python  %%python2  %%python3  %%ruby  %%script  %%sh  %%svg  %%sx  %%system  %%time  %%timeit  %%writefile\n",
       "\n",
       "Automagic is ON, % prefix IS NOT needed for line magics."
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "%lsmagic"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Using matplotlib backend: Qt4Agg\n",
      "Populating the interactive namespace from numpy and matplotlib\n"
     ]
    }
   ],
   "source": [
    "%pylab --no-import-all"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.141592653589793"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.pi"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "%quickref"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<html>\n",
       "\n",
       "<head>\n",
       "    <STYLE TYPE=\"text/css\">\n",
       "        <!--\n",
       "        TH{font-family: consolas; font-size: 10pt;}\n",
       "        TD{font-family: consolas; font-size: 10pt;}\n",
       "        --->\n",
       "    </STYLE>\n",
       "</head>\n",
       "\n",
       "<body>\n",
       "\n",
       "<table border=1>\n",
       "<tr><td> test 1 </td></tr>\n",
       "<tr><td> test 2 </td></tr>\n",
       "<tr><td> test 3 </td></tr>\n",
       "<tr><td> test 4 </td></tr>\n",
       "</table>\n",
       "\n",
       "</body>\n",
       "</html>"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "%%HTML\n",
    "<html>\n",
    "\n",
    "<head>\n",
    "    <STYLE TYPE=\"text/css\">\n",
    "        <!--\n",
    "        TH{font-family: consolas; font-size: 10pt;}\n",
    "        TD{font-family: consolas; font-size: 10pt;}\n",
    "        --->\n",
    "    </STYLE>\n",
    "</head>\n",
    "\n",
    "<body>\n",
    "\n",
    "<table border=1>\n",
    "<tr><td> test 1 </td></tr>\n",
    "<tr><td> test 2 </td></tr>\n",
    "<tr><td> test 3 </td></tr>\n",
    "<tr><td> test 4 </td></tr>\n",
    "</table>\n",
    "\n",
    "</body>\n",
    "</html>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<table class=\"table table-bordered table-striped\">\n",
       "<font face=\"Consolas\">\n",
       "<tr>\n",
       "    <th>\n",
       "        Name\n",
       "    </th>\n",
       "    <th>\n",
       "        Type\n",
       "    </th>\n",
       "    <th>\n",
       "        Value\n",
       "    </th>\n",
       "</tr>\n",
       "</font>"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "%%HTML\n",
    "<table class=\"table table-bordered table-striped\">\n",
    "<font face=\"Consolas\">\n",
    "<tr>\n",
    "    <th>\n",
    "        Name\n",
    "    </th>\n",
    "    <th>\n",
    "        Type\n",
    "    </th>\n",
    "    <th>\n",
    "        Value\n",
    "    </th>\n",
    "</tr>\n",
    "</font>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "table_header\"\"\"\n",
    "<table class=\"table table-bordered table-striped\">\n",
    "    <tr>\n",
    "        <th>\n",
    "            Name\n",
    "        </th>\n",
    "        <th>\n",
    "            Type\n",
    "        </th>\n",
    "        <th>\n",
    "            Value\n",
    "        </th>\n",
    "    </tr>\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "C:\\Users\\Lenovo\n"
     ]
    }
   ],
   "source": [
    "%cd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "C:\\Users\\Lenovo\\Documents\n"
     ]
    }
   ],
   "source": [
    "%cd Documents"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Variable   Type     Data/Info\n",
      "-----------------------------\n",
      "pi         float    3.14\n"
     ]
    }
   ],
   "source": [
    "pi  = 3.14\n",
    "%whos"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "---"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import ipywidgets as widgets # Loads the Widget framework.\n",
    "from IPython.core.magics.namespace import NamespaceMagics # Used to query namespace.\n",
    "\n",
    "# For this example, hide these names, just to avoid polluting the namespace further\n",
    "get_ipython().user_ns_hidden['widgets'] = widgets\n",
    "get_ipython().user_ns_hidden['NamespaceMagics'] = NamespaceMagics\n",
    "\n",
    "class VariableInspectorWindow(object):\n",
    "    instance = None\n",
    "    \n",
    "    def __init__(self, ipython):\n",
    "        \"\"\"Public constructor.\"\"\"\n",
    "        if VariableInspectorWindow.instance is not None:\n",
    "            raise Exception(\"\"\"Only one instance of the Variable Inspector can exist at a \n",
    "                time.  Call close() on the active instance before creating a new instance.\n",
    "                If you have lost the handle to the active instance, you can re-obtain it\n",
    "                via `VariableInspectorWindow.instance`.\"\"\")\n",
    "        \n",
    "        VariableInspectorWindow.instance = self\n",
    "        self.closed = False\n",
    "        self.namespace = NamespaceMagics()\n",
    "        self.namespace.shell = ipython.kernel.shell\n",
    "        \n",
    "        self._box = widgets.Box()\n",
    "        self._box._dom_classes = ['inspector']\n",
    "        self._box.background_color = '#fff'\n",
    "        self._box.border_color = '#ccc'\n",
    "        self._box.border_width = 1\n",
    "        self._box.border_radius = 5\n",
    "\n",
    "        self._modal_body = widgets.VBox()\n",
    "        self._modal_body.overflow_y = 'scroll'\n",
    "\n",
    "        self._modal_body_label = widgets.HTML(value = 'Not hooked')\n",
    "        self._modal_body.children = [self._modal_body_label]\n",
    "\n",
    "        self._box.children = [\n",
    "            self._modal_body, \n",
    "        ]\n",
    "        \n",
    "        self._ipython = ipython\n",
    "        self._ipython.events.register('post_run_cell', self._fill)\n",
    "        \n",
    "    def close(self):\n",
    "        \"\"\"Close and remove hooks.\"\"\"\n",
    "        if not self.closed:\n",
    "            self._ipython.events.unregister('post_run_cell', self._fill)\n",
    "            self._box.close()\n",
    "            self.closed = True\n",
    "            VariableInspectorWindow.instance = None\n",
    "\n",
    "    def _fill(self):\n",
    "        \"\"\"Fill self with variable information.\"\"\"\n",
    "        values = self.namespace.who_ls()\n",
    "        self._modal_body_label.value = '<table class=\"table table-bordered table-striped\"><tr><th>Name</th><th>Type</th><th>Value</th></tr><tr><td>' + \\\n",
    "            '</td></tr><tr><td>'.join(['{0}</td><td>{1}</td><td>{2}'.format(v, type(eval(v)).__name__, str(eval(v))) for v in values]) + \\\n",
    "            '</td></tr></table>'\n",
    "\n",
    "    def _ipython_display_(self):\n",
    "        \"\"\"Called when display() or pyout is used to display the Variable \n",
    "        Inspector.\"\"\"\n",
    "        self._box._ipython_display_()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# self._modal_body_label.value = '<table class=\"table table-bordered table-striped\">'+\\\n",
    "#                                '<tr><th>Name</th><th>Type</th><th>Value</th></tr><tr><td>'+\\\n",
    "#                                '</td></tr><tr><td>'.join(['{0}</td><td>{1}</td><td>{2}'+\\\n",
    "#                                                           .format(v, type(eval(v)).__name__, str(eval(v))) for v in values]) + \\\n",
    "#                                '</td></tr></table>'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "dcd9186bde154f74b1965039cf3a821b",
       "version_major": "2",
       "version_minor": "0"
      },
      "text/plain": [
       "A Jupyter Widget"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "inspector = VariableInspectorWindow(get_ipython())\n",
    "inspector"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/javascript": [
       "$('div.inspector')\n",
       "    .detach()\n",
       "    .prependTo($('body'))\n",
       "    .css({\n",
       "        'z-index': 999, \n",
       "        position: 'fixed',\n",
       "        'box-shadow': '5px 5px 12px -3px black',\n",
       "        opacity: 0.9\n",
       "    })\n",
       "    .draggable().resizable();"
      ],
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "%%javascript\n",
    "$('div.inspector')\n",
    "    .detach()\n",
    "    .prependTo($('body'))\n",
    "    .css({\n",
    "        'z-index': 999, \n",
    "        position: 'fixed',\n",
    "        'box-shadow': '5px 5px 12px -3px black',\n",
    "        opacity: 0.9\n",
    "    })\n",
    "    .draggable().resizable();"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "inspector.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "65fbb1d49c1b4388a73082e4f101b156",
       "version_major": "2",
       "version_minor": "0"
      },
      "text/plain": [
       "A Jupyter Widget"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "from ipywidgets import *\n",
    "from IPython.display import display\n",
    "w = IntSlider()\n",
    "display(w)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "anaconda-cloud": {},
  "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": "3.6.3"
  },
  "varInspector": {
   "cols": {
    "lenName": 16,
    "lenType": 16,
    "lenVar": 40
   },
   "kernels_config": {
    "python": {
     "delete_cmd_postfix": "",
     "delete_cmd_prefix": "del ",
     "library": "var_list.py",
     "varRefreshCmd": "print(var_dic_list())"
    },
    "r": {
     "delete_cmd_postfix": ") ",
     "delete_cmd_prefix": "rm(",
     "library": "var_list.r",
     "varRefreshCmd": "cat(var_dic_list()) "
    }
   },
   "types_to_exclude": [
    "module",
    "function",
    "builtin_function_or_method",
    "instance",
    "_Feature"
   ],
   "window_display": false
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}