{"id":9936,"date":"2024-06-29T16:13:36","date_gmt":"2024-06-29T14:13:36","guid":{"rendered":"https:\/\/www.mathweb.fr\/euclide\/?p=9936"},"modified":"2024-06-29T16:13:39","modified_gmt":"2024-06-29T14:13:39","slug":"un-programme-python-de-backup-gratuit","status":"publish","type":"post","link":"https:\/\/www.mathweb.fr\/euclide\/2024\/06\/29\/un-programme-python-de-backup-gratuit\/","title":{"rendered":"Un programme Python de backup gratuit"},"content":{"rendered":"\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Voici un programme Python de backup enti\u00e8rement gratuit. J&rsquo;en avais royalement marre de t\u00e9l\u00e9charger des programmes qui ne faisaient pas bien leur job, alors je m&rsquo;y suis coll\u00e9.<\/p>\n\n\n\n<!--more-->\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Au menu sur cette page...<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.mathweb.fr\/euclide\/2024\/06\/29\/un-programme-python-de-backup-gratuit\/#Un_programme_Python_de_backup_cahier_des_charges\" >Un programme Python de backup: cahier des charges<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mathweb.fr\/euclide\/2024\/06\/29\/un-programme-python-de-backup-gratuit\/#Les_programmes_de_backup\" >Les programmes de backup<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.mathweb.fr\/euclide\/2024\/06\/29\/un-programme-python-de-backup-gratuit\/#Le_programme_Python_de_backup_que_je_vous_propose\" >Le programme Python de backup que je vous propose<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Un_programme_Python_de_backup_cahier_des_charges\"><\/span>Un programme Python de backup: cahier des charges<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Ce que je voulais:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une interface graphique \u00e9pur\u00e9e<\/li>\n\n\n\n<li>Pas de milliers d&rsquo;options qui ne servent finalement \u00e0 rien<\/li>\n\n\n\n<li>Une sauvegarde incr\u00e9mentielle (ne sauvegarde que les nouveaux fichiers)<\/li>\n\n\n\n<li>Une sauvegarde des r\u00e9pertoires \u00e0 sauvegarder et de la destination<\/li>\n\n\n\n<li>Une lecture automatique des r\u00e9pertoires \u00e0 sauvegarder d\u00e8s le lancement du programme<\/li>\n\n\n\n<li>La possibilit\u00e9 de supprimer un dossier si on ne veut plus l&rsquo;inclure dans la sauvegarde<\/li>\n\n\n\n<li>Une barre de progression, parce que bon! Il ne faut pas exag\u00e9r\u00e9 non plus&#8230; \ud83d\ude42<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Voici donc l&rsquo;interface graphique:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><a href=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2024\/06\/image-2.png\" data-fancybox=\"gallery\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"194\" src=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2024\/06\/image-2-300x194.png\" alt=\"programme en python de backup enti\u00e8rement gratuit\" class=\"wp-image-9937\" srcset=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2024\/06\/image-2-300x194.png 300w, https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2024\/06\/image-2.png 542w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Personnellement, je n&rsquo;ai ps besoin de plus&#8230;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Les_programmes_de_backup\"><\/span>Les programmes de backup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">J&rsquo;ai essay\u00e9 au fil des ann\u00e9es plusieurs logiciels gratuits. Et bien qu&rsquo;ils fussent faciles \u00e0 utiliser pendant un certain temps, ils plantaient apr\u00e8s.<\/p>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Le dernier en date est <a href=\"https:\/\/fr.fbackup.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Fbackup 9<\/a>. J&rsquo;en \u00e9tais content jusqu&rsquo;\u00e0 ce que, d&rsquo;un coup, il ne fasse plus les sauvegardes correctement. Il mettait toujours un message d&rsquo;erreur comme quoi le chemin gnagna n\u2019existait pas&#8230; Insupportable! C&rsquo;en \u00e9tait trop! Il me fallait r\u00e9agir! Je n&rsquo;allais tout de m\u00eame pas me laisser faire par une machine&#8230; non mais!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Le_programme_Python_de_backup_que_je_vous_propose\"><\/span>Le programme Python de backup que je vous propose<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">J&rsquo;ai jet\u00e9 mon d\u00e9volu sur Tkinter pour l&rsquo;interface graphique. C&rsquo;est tout de m\u00eame plus simple que Qt par exemple. Et en plus, c&rsquo;est inclus dans les distribution Python.<\/p>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">J&rsquo;ai aussi opt\u00e9 pour la <a href=\"https:\/\/www.mathweb.fr\/euclide\/2019\/09\/06\/les-classes-en-python\/\">POO<\/a>. J&rsquo;aime bien&#8230; \ud83d\ude42<\/p>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Alors, plut\u00f4t que de longs discours (que personne ne lit de toute fa\u00e7on), voici le programme:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># -*- coding: utf-8 -*-\n\"\"\"\nCreated on Sat Jun 29 15:47:22 2024\n\n@author: St\u00e9phane Pasquet\n\"\"\"\n\nimport tkinter as tk\nfrom tkinter import filedialog, messagebox\nfrom tkinter import ttk\nimport shutil\nimport os\nimport json\n\nclass BackupApp:\n    def __init__(self, root):\n        self.root = root\n        self.root.title(\"Programme de Backup\")\n\n        self.source_paths = []\n        self.destination_path = tk.StringVar()\n\n        self.create_widgets()\n        self.load_paths()\n\n    def create_widgets(self):\n        tk.Label(self.root, text=\"Source:\").grid(row=0, column=0, padx=10, pady=10)\n        self.source_listbox = tk.Listbox(self.root, selectmode=tk.MULTIPLE, height=10, width=50)\n        self.source_listbox.grid(row=0, column=1, rowspan=2, padx=10, pady=10)\n        \n        tk.Button(self.root, text=\"Ajouter Dossier\", command=self.browse_source).grid(row=0, column=2, padx=10, pady=10)\n        tk.Button(self.root, text=\"Supprimer Dossier\", command=self.remove_selected_sources).grid(row=1, column=2, padx=10, pady=10)\n\n        tk.Label(self.root, text=\"Destination:\").grid(row=2, column=0, padx=10, pady=10)\n        tk.Entry(self.root, textvariable=self.destination_path).grid(row=2, column=1, padx=10, pady=10)\n        tk.Button(self.root, text=\"Parcourir\", command=self.browse_destination).grid(row=2, column=2, padx=10, pady=10)\n\n        tk.Button(self.root, text=\"D\u00e9marrer Backup\", command=self.start_backup).grid(row=3, column=1, padx=10, pady=10)\n\n        self.progress = ttk.Progressbar(self.root, orient=\"horizontal\", length=400, mode=\"determinate\")\n        self.progress.grid(row=4, column=0, columnspan=3, padx=10, pady=10)\n\n    def browse_source(self):\n        sources = filedialog.askdirectory(mustexist=True)\n        if sources:\n            self.source_paths.append(sources)\n            self.source_listbox.insert(tk.END, sources)\n            self.save_paths()\n\n    def browse_destination(self):\n        destination = filedialog.askdirectory(mustexist=True)\n        if destination:\n            self.destination_path.set(destination)\n            self.save_paths()\n\n    def remove_selected_sources(self):\n        selected_indices = self.source_listbox.curselection()\n        selected_paths = [self.source_listbox.get(i) for i in selected_indices]\n        for path in selected_paths:\n            self.source_paths.remove(path)\n        for i in selected_indices[::-1]:\n            self.source_listbox.delete(i)\n        self.save_paths()\n\n    def start_backup(self):\n        destination = self.destination_path.get()\n\n        if not self.source_paths or not destination:\n            messagebox.showerror(\"Erreur\", \"Veuillez s\u00e9lectionner les r\u00e9pertoires source et destination.\")\n            return\n\n        total_files = sum([len(files) for source in self.source_paths for _, _, files in os.walk(source)])\n        self.progress[\"maximum\"] = total_files\n        self.progress[\"value\"] = 0\n\n        try:\n            for source in self.source_paths:\n                self.incremental_backup(source, destination)\n            messagebox.showinfo(\"Succ\u00e8s\", \"Sauvegarde incr\u00e9mentielle termin\u00e9e avec succ\u00e8s.\")\n        except Exception as e:\n            messagebox.showerror(\"Erreur\", f\"Une erreur est survenue: {e}\")\n\n    def incremental_backup(self, source, destination):\n        for root, dirs, files in os.walk(source):\n            relative_path = os.path.relpath(root, source)\n            dest_dir = os.path.join(destination, os.path.basename(source), relative_path)\n            if not os.path.exists(dest_dir):\n                os.makedirs(dest_dir)\n            for file in files:\n                source_file = os.path.join(root, file)\n                dest_file = os.path.join(dest_dir, file)\n                if not os.path.exists(dest_file) or os.path.getmtime(source_file) > os.path.getmtime(dest_file):\n                    shutil.copy2(source_file, dest_file)\n                self.progress[\"value\"] += 1\n                self.root.update_idletasks()\n\n    def save_paths(self):\n        data = {\n            \"source_paths\": self.source_paths,\n            \"destination_path\": self.destination_path.get()\n        }\n        with open(\"paths.json\", \"w\") as file:\n            json.dump(data, file)\n\n    def load_paths(self):\n        if os.path.exists(\"paths.json\"):\n            with open(\"paths.json\", \"r\") as file:\n                data = json.load(file)\n                self.source_paths = data.get(\"source_paths\", [])\n                self.destination_path.set(data.get(\"destination_path\", \"\"))\n                for path in self.source_paths:\n                    self.source_listbox.insert(tk.END, path)\n\nif __name__ == \"__main__\":\n    root = tk.Tk()\n    app = BackupApp(root)\n    root.mainloop()<\/pre>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">J&rsquo;ai \u00e9t\u00e9 tr\u00e8s agr\u00e9ablement surpris par la rapidit\u00e9 \u00e0 laquelle il a fait sa premi\u00e8re sauvegarde, bien que plut\u00f4t costaude! Et les sauvegardes ult\u00e9rieures, n&rsquo;en parlons pas! <\/p>\n\n\n\n<p class=\"is-style-Paragraph-paragraph wp-block-paragraph\">Vraiment, j&rsquo;aime beaucoup ce programme, alors je le partage avec vous. Qu&rsquo;en pensez-vous ?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voici un programme Python de backup enti\u00e8rement gratuit. J&rsquo;en avais royalement marre de t\u00e9l\u00e9charger des programmes qui ne faisaient pas bien leur job, alors je m&rsquo;y suis coll\u00e9.<\/p>\n","protected":false},"author":1,"featured_media":9938,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[423],"class_list":["post-9936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-backup"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Un programme Python de backup gratuit - Mathweb.fr<\/title>\n<meta name=\"description\" content=\"Voici un programme Python de backup enti\u00e8rement gratuit. 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