{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "nbsphinx": "hidden"
   },
   "source": [
    "[prev: *Numeric tools*](stdlib-numeric-tools.ipynb) | [home](../index.ipynb) | [next: Le module *subprocess*](stdlib-subprocess.ipynb)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# *File and Directory Access*\n",
    "\n",
    "Modules facilitant le travail sur une arborescence"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Module *glob*\n",
    "Permet de retrouver des fichiers (même syntaxe que sur Linux)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['intro.ipynb',\n",
       " 'modules-tiers.ipynb',\n",
       " 'stdlib-data-types.ipynb',\n",
       " 'stdlib-file-directory.ipynb',\n",
       " 'stdlib-numeric-tools.ipynb',\n",
       " 'stdlib-string-services.ipynb',\n",
       " 'stdlib-subprocess.ipynb',\n",
       " 'virtual-environments.ipynb']"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import glob\n",
    "# Retourne tous les dossiers et fichiers du dossier courant\n",
    "glob.glob('*')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['stdlib-data-types.ipynb',\n",
       " 'stdlib-file-directory.ipynb',\n",
       " 'stdlib-numeric-tools.ipynb',\n",
       " 'stdlib-string-services.ipynb',\n",
       " 'stdlib-subprocess.ipynb']"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Retourne uniquement les fichiers concernant les standard libraries\n",
    "glob.glob('stdlib*.*')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Module *os.path*\n",
    "\n",
    "Aide au parcours d'une arborescence"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'D:\\\\Documents\\\\smai\\\\Travail\\\\CODES\\\\formation-python\\\\notebooks\\\\python-modules'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import os\n",
    "# Dossier courant\n",
    "cwd = os.getcwd()\n",
    "cwd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "D:\\Documents\\smai\\Travail\\CODES\\formation-python\\notebooks\n",
      "True\n",
      "True\n",
      "D:\\Documents\\smai\\Travail\\CODES\\formation-python\\notebooks\\python-modules\n"
     ]
    }
   ],
   "source": [
    "# Retourne le dossier parent\n",
    "print(os.path.dirname(cwd))\n",
    "# Vérifie l'existence de fichiers\n",
    "print(os.path.isfile(os.path.join(cwd,'intro.ipynb')))\n",
    "# Gère les chemins relatifs (mais déconseillé)\n",
    "print(os.path.isfile('intro.ipynb'))\n",
    "# Transforme des chemins relatifs en chemins absolus\n",
    "print(os.path.abspath('.'))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Module *shutil*\n",
    "\n",
    "Gère la création de fichiers\n",
    "\n",
    "``` python\n",
    "import shutil\n",
    "# Copie de fichiers\n",
    "shutil.copy(source,destination)\n",
    "# Copie d'une arborescence\n",
    "shutil.copytree(source,destination)\n",
    "# Suppression d'une arborescence\n",
    "shutil.rmtree(dossier_maitre)\n",
    "```"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Module *pathlib*\n",
    "\n",
    "*os.path* + *glob* + *open* dans un seul objet *Path* !"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pathlib import Path\n",
    "cwd = Path()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[WindowsPath('.ipynb_checkpoints'),\n",
       " WindowsPath('intro.ipynb'),\n",
       " WindowsPath('modules-tiers.ipynb'),\n",
       " WindowsPath('stdlib-data-types.ipynb'),\n",
       " WindowsPath('stdlib-file-directory.ipynb'),\n",
       " WindowsPath('stdlib-numeric-tools.ipynb'),\n",
       " WindowsPath('stdlib-string-services.ipynb'),\n",
       " WindowsPath('stdlib-subprocess.ipynb'),\n",
       " WindowsPath('virtual-environments.ipynb')]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "list(cwd.glob('*'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[WindowsPath('stdlib-data-types.ipynb'),\n",
       " WindowsPath('stdlib-file-directory.ipynb'),\n",
       " WindowsPath('stdlib-numeric-tools.ipynb'),\n",
       " WindowsPath('stdlib-string-services.ipynb'),\n",
       " WindowsPath('stdlib-subprocess.ipynb')]"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "list(cwd.glob('stdlib*.*'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "rep\\file.txt\n",
      "rep\n"
     ]
    }
   ],
   "source": [
    "print(Path(\"rep/file.txt\"))\n",
    "print(Path(\"rep/file.txt\").parent)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "intro.ipynb\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "print(cwd / 'intro.ipynb')\n",
    "(cwd / 'intro.ipynb').is_file()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'hello !'"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "myfile = Path('test/toto.txt')\n",
    "myfile.parent.mkdir(exist_ok=True)\n",
    "myfile.touch()\n",
    "myfile.write_text(\"hello !\")\n",
    "new = myfile.replace('test/titi.txt')\n",
    "new.read_text()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "\n",
    "## Exercices"
   ]
  }
 ],
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    "name": "ipython",
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