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<meta http-equiv="content-type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"><title>Créer un serveur web rapidement en python</title><meta content="Apprendre à créer un serveur web rapidement en python - Python Programmation Cours Tutoriel Informatique Apprendre" name="description"><meta content="width=device-width, initial-scale=1" name="viewport"><meta content="serveur,web,apprendre,créer,rapidement,python" name="Keywords"><meta content="fr" http-equiv="Content-Language"><meta content="index, follow" name="robots"><meta content="All" name="audience"><meta content="All" name="rating"><meta content="2 days" name="revisit-after"><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"><meta content="yes" name="apple-mobile-web-app-capable"><link href="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/python.png" rel="image_src"><meta content="/images/python.png" property="og:image"><link href="https://fonts.googleapis.com/" rel="preconnect"><link crossorigin="" href="https://fonts.gstatic.com/" rel="preconnect"><link href="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/css2.css" rel="stylesheet"><style>
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</style></head><body><div id="menu_top_container"><div id="menu_top"><a href="https://python.doctor/"><i class="fa fa-home"></i></a><a href="https://python.doctor/page-cours-python-debutant-documentation" title="Python"><img src="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/logo_python.png"></a><a href="https://python.doctor/page-cours-python-avance-documentation-francaise" title="Python avancé"><img src="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/logo_python_best.png"></a><a href="https://python.doctor/page-django-cours-tutoriels-documentation-francaise" title="Python Django"><img src="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/logo_django.png"></a><a href="https://python.doctor/page-raspberry-pi-apprendre-debutant-acheter-python" title="Python Raspberry pi"><img src="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/logo_raspberry.png" style="margin-right:0px;padding-right:0px;"></a><a href="#" onclick="if (!window.__cfRLUnblockHandlers) return false; go_to_menu();return false;" style="float:right;margin-left:0px;padding-left:0px;"><i class="glyphicon glyphicon-align-justify"></i></a></div></div><div id="pub_right" style="text-align: center; position: fixed; top: 0px;"></div><div id="page"><h1> Créer un serveur web rapidement en python </h1><!-- breadcrumb --><div class="breadcrumb-list" xmlns:v="http://rdf.data-vocabulary.org/#"><span class="breadcrumb" typeof="v:Breadcrumb"><a href="https://python.doctor/" property="v:title" rel="v:url"> Accueil </a></span><span class="chevron"> › </span><span class="breadcrumb" typeof="v:Breadcrumb"><a href="https://python.doctor/page-cours-python-avance-documentation-francaise" property="v:title" rel="v:url" title="Voir tous les articles de cette catégorie"> Python avancé </a></span><span class="chevron"> › </span><span class="breadcrumb-current"><a href="https://python.doctor/page-python-serveur-web-creer-rapidement" style="line-height:2.1em;"> Créer un serveur web rapidement en python </a></span></div><div class="links_top"><div class="links_top_back"><a href="https://python.doctor/page-database-data-base-donnees-query-sql-mysql-postgre-sqlite"><i class="glyphicon glyphicon-chevron-left"></i> Base de données </a></div><div class="links_top_next"><a href="https://python.doctor/page-websocket-python-crossbar-push-socket-publish-subscribe-call-remote-register-wamp"> Websocket &amp; Crossbar <i class="glyphicon glyphicon-chevron-right"></i></a></div></div><div class="content"><p> Il peut être intéressant, dans certains cas, d'implémenter un <strong> serveur web </strong> dans votre application. Cela permet notamment une communication entre vos programmes via un navigateur. En <strong> Python </strong><strong> créer un serveur web </strong> , c'est quelques ligne de code: </p><h2> Serveur web python 2 </h2><p> Voici le code pour créer un serveur web en <u> python 2 </u> : </p><p class="legende"> server.py </p><pre><span class="ch">#!/usr/bin/python</span>
<span class="kn">import</span> <span class="nn">BaseHTTPServer</span>
<span class="kn">import</span> <span class="nn">CGIHTTPServer</span>
<span class="n">PORT</span> <span class="o">=</span> <span class="mi">8888</span>
<span class="n">server_address</span> <span class="o">=</span> <span class="p">(</span><span class="s2">""</span><span class="p">,</span> <span class="n">PORT</span><span class="p">)</span>
<span class="n">server</span> <span class="o">=</span> <span class="n">BaseHTTPServer</span><span class="o">.</span><span class="n">HTTPServer</span>
<span class="n">handler</span> <span class="o">=</span> <span class="n">CGIHTTPServer</span><span class="o">.</span><span class="n">CGIHTTPRequestHandler</span>
<span class="n">handler</span><span class="o">.</span><span class="n">cgi_directories</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"/"</span><span class="p">]</span>
<span class="nb">print</span> <span class="s2">"Serveur actif sur le port :"</span><span class="p">,</span> <span class="n">PORT</span>
<span class="n">httpd</span> <span class="o">=</span> <span class="n">server</span><span class="p">(</span><span class="n">server_address</span><span class="p">,</span> <span class="n">handler</span><span class="p">)</span>
<span class="n">httpd</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span>
</pre><h2> Serveur web python 3 </h2><p> Et voici le code pour créer un serveur web en <u> python 3 </u> : </p><p class="legende"> server.py </p><pre><span class="kn">import</span> <span class="nn">http.server</span>
<span class="n">PORT</span> <span class="o">=</span> <span class="mi">8888</span>
<span class="n">server_address</span> <span class="o">=</span> <span class="p">(</span><span class="s2">""</span><span class="p">,</span> <span class="n">PORT</span><span class="p">)</span>
<span class="n">server</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">HTTPServer</span>
<span class="n">handler</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">CGIHTTPRequestHandler</span>
<span class="n">handler</span><span class="o">.</span><span class="n">cgi_directories</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"/"</span><span class="p">]</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"Serveur actif sur le port :"</span><span class="p">,</span> <span class="n">PORT</span><span class="p">)</span>
<span class="n">httpd</span> <span class="o">=</span> <span class="n">server</span><span class="p">(</span><span class="n">server_address</span><span class="p">,</span> <span class="n">handler</span><span class="p">)</span>
<span class="n">httpd</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span>
</pre><h2> Créer une page web </h2><p> Créez un fichier <strong> index.py </strong> à la racine de votre projet. </p><p class="legende"> index.py </p><pre><span class="c1"># coding: utf-8</span>
<span class="kn">import</span> <span class="nn">cgi</span>
<span class="n">form</span> <span class="o">=</span> <span class="n">cgi</span><span class="o">.</span><span class="n">FieldStorage</span><span class="p">()</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"Content-type: text/html; charset=utf-8</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="n">form</span><span class="o">.</span><span class="n">getvalue</span><span class="p">(</span><span class="s2">"name"</span><span class="p">))</span>
<span class="n">html</span> <span class="o">=</span> <span class="s2">"""&lt;!DOCTYPE html&gt;</span>
<span class="s2">&lt;head&gt;</span>
<span class="s2">&nbsp;&nbsp;&nbsp;&nbsp;&lt;title&gt;Mon programme&lt;/title&gt;</span>
<span class="s2">&lt;/head&gt;</span>
<span class="s2">&lt;body&gt;</span>
<span class="s2">&nbsp;&nbsp;&nbsp;&nbsp;&lt;form action="/index.py" method="post"&gt;</span>
<span class="s2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="text" name="name" value="Votre nom" /&gt;</span>
<span class="s2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;input type="submit" name="send" value="Envoyer information au serveur"&gt;</span>
<span class="s2">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/form&gt; </span>
<span class="s2">&lt;/body&gt;</span>
<span class="s2">&lt;/html&gt;</span>
<span class="s2">"""</span>
<span class="nb">print</span><span class="p">(</span><span class="n">html</span><span class="p">)</span>
</pre><p> Ouvrez votre navigateur et indiquez-lui l'url de votre serveur web, dans notre cas ce sera <strong> localhost:8888/index.py </strong></p><p><img class="shadow-bordered" src="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/index-python-serveur-web.png"></p><p> Indiquez votre nom puis cliquez sur le bouton " <strong> Envoyer </strong> ": </p><p><img class="shadow-bordered" src="Cr%C3%A9er%20un%20serveur%20web%20rapidement%20en%20python_fichiers/index-py-serveur-web-2.png"></p><p>
A noter que python ne fait pas de différences entre POST et GET, vous
pouvez passer une variable dans l'url le résultat sera le même: </p><pre>http://localhost:8888/index.py?name=Olivier%20ENGEL
</pre><h2> Afficher les erreurs sur votre page web </h2><p> Vous pouvez ajouter une fonction qui affichera les erreurs rencontrées par python (mode debug): </p><pre><span class="kn">import</span> <span class="nn">cgitb</span><span class="p">;</span> <span class="n">cgitb</span><span class="o">.</span><span class="n">enable</span><span class="p">()</span>
</pre><h2> Afficher les variables d'environnement </h2><p> Vous pouvez afficher toutes les informations concernant votre serveur web / page en cours en appelant la méthode <strong> test() </strong> : </p><pre>cgi.test()
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