{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Getting started"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Modules "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "from pyfileindex import PyFileIndex"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## User defined functions "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.811724Z",
     "start_time": "2019-07-16T07:48:30.802997Z"
    }
   },
   "outputs": [],
   "source": [
    "def touch(fname, times=None):\n",
    "    with open(fname, 'a'):\n",
    "        os.utime(fname, times)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.817677Z",
     "start_time": "2019-07-16T07:48:30.814717Z"
    }
   },
   "outputs": [],
   "source": [
    "def filter_function(file_name):\n",
    "    return '.txt' in file_name"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Demonstrate PyFileIndex"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Initialise PyFileIndex"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.876397Z",
     "start_time": "2019-07-16T07:48:30.821033Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>basename</th>\n",
       "      <th>path</th>\n",
       "      <th>dirname</th>\n",
       "      <th>is_directory</th>\n",
       "      <th>mtime</th>\n",
       "      <th>nlink</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>notebooks</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>/home/jovyan</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks/.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563532e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "<pyfileindex.pyfileindex.PyFileIndex at 0x7f1837265908>"
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     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pfi = PyFileIndex(path='.', filter_function=filter_function, debug=True)\n",
    "pfi"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Update PyFileIndex"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.904862Z",
     "start_time": "2019-07-16T07:48:30.881680Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Changes:  [] [] []\n"
     ]
    },
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>basename</th>\n",
       "      <th>path</th>\n",
       "      <th>dirname</th>\n",
       "      <th>is_directory</th>\n",
       "      <th>mtime</th>\n",
       "      <th>nlink</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>notebooks</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>/home/jovyan</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks/.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563532e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
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       "<pyfileindex.pyfileindex.PyFileIndex at 0x7f1837265908>"
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     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pfi.update()\n",
    "pfi"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## New directory "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.916877Z",
     "start_time": "2019-07-16T07:48:30.910805Z"
    }
   },
   "outputs": [],
   "source": [
    "os.makedirs('bla')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.960025Z",
     "start_time": "2019-07-16T07:48:30.921287Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Changes:  ['/home/jovyan/notebooks/bla'] ['/home/jovyan/notebooks'] []\n"
     ]
    },
    {
     "data": {
      "text/html": [
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
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       "      <th>nlink</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks/.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563532e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>notebooks</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>/home/jovyan</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
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       "<pyfileindex.pyfileindex.PyFileIndex at 0x7f1837265908>"
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     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pfi.update()\n",
    "pfi"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## New sub directory "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:30.984584Z",
     "start_time": "2019-07-16T07:48:30.977614Z"
    }
   },
   "outputs": [],
   "source": [
    "os.makedirs('bla/bla') "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:31.020002Z",
     "start_time": "2019-07-16T07:48:30.987530Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Changes:  ['/home/jovyan/notebooks/bla/bla'] ['/home/jovyan/notebooks/bla'] []\n"
     ]
    },
    {
     "data": {
      "text/html": [
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
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       "      <th></th>\n",
       "      <th>basename</th>\n",
       "      <th>path</th>\n",
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       "      <th>nlink</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks/.ipynb_checkpoints</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563532e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>notebooks</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
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       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
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       "<pyfileindex.pyfileindex.PyFileIndex at 0x7f1837265908>"
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     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pfi.update()\n",
    "pfi"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## New file"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:31.072509Z",
     "start_time": "2019-07-16T07:48:31.065381Z"
    }
   },
   "outputs": [],
   "source": [
    "touch('bla/bla/test.txt')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:31.116132Z",
     "start_time": "2019-07-16T07:48:31.076421Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Changes:  ['/home/jovyan/notebooks/bla/bla/test.txt'] ['/home/jovyan/notebooks/bla/bla'] []\n"
     ]
    },
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "    .dataframe tbody tr th {\n",
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       "      <td>1.563533e+09</td>\n",
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       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla</td>\n",
       "      <td>/home/jovyan/notebooks</td>\n",
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       "      <td>1.563533e+09</td>\n",
       "      <td>3</td>\n",
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       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>test.txt</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla/test.txt</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla</td>\n",
       "      <td>False</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "<pyfileindex.pyfileindex.PyFileIndex at 0x7f1837265908>"
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     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pfi.update()\n",
    "pfi"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Another new file "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:31.141975Z",
     "start_time": "2019-07-16T07:48:31.137624Z"
    }
   },
   "outputs": [],
   "source": [
    "touch('bla/test.txt')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-07-16T07:48:31.185154Z",
     "start_time": "2019-07-16T07:48:31.144995Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Changes:  ['/home/jovyan/notebooks/bla/test.txt'] ['/home/jovyan/notebooks/bla'] []\n"
     ]
    },
    {
     "data": {
      "text/html": [
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       "      <td>True</td>\n",
       "      <td>1.563532e+09</td>\n",
       "      <td>2</td>\n",
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       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>notebooks</td>\n",
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       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla</td>\n",
       "      <td>/home/jovyan/notebooks/bla</td>\n",
       "      <td>True</td>\n",
       "      <td>1.563533e+09</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>test.txt</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla/test.txt</td>\n",
       "      <td>/home/jovyan/notebooks/bla/bla</td>\n",
       "      <td>False</td>\n",
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      "Changes:  [] ['/home/jovyan/notebooks/bla/bla'] ['/home/jovyan/notebooks/bla/bla/test.txt']\n"
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      "Changes:  [] ['/home/jovyan/notebooks'] ['/home/jovyan/notebooks/bla/test.txt' '/home/jovyan/notebooks/bla']\n"
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