{"id":7924,"date":"2022-09-02T16:22:05","date_gmt":"2022-09-02T14:22:05","guid":{"rendered":"https:\/\/www.mathweb.fr\/euclide\/?p=7924"},"modified":"2022-09-02T16:22:07","modified_gmt":"2022-09-02T14:22:07","slug":"une-mailing-list-en-python","status":"publish","type":"post","link":"https:\/\/www.mathweb.fr\/euclide\/2022\/09\/02\/une-mailing-list-en-python\/","title":{"rendered":"Une mailing list en Python"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Comment cr\u00e9er une mailing list \u00e0 l&#8217;aide de Python ? C&#8217;est la question que je me suis pos\u00e9e aujourd&#8217;hui.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J&#8217;utilise personnellement Thunderbird, et il permet de de cr\u00e9er des listes de diffusion&#8230; Cependant, il met en copie l&#8217;adresse mail de tous les autres destinataires. Cela ne me convient pas. Il m&#8217;a donc fallu faire quelques recherches.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\\lire<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\/2022\/09\/02\/une-mailing-list-en-python\/#Mailing_list_et_Python_le_client_mail\" >Mailing list et Python: le client mail<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mathweb.fr\/euclide\/2022\/09\/02\/une-mailing-list-en-python\/#Les_informations_de_connexion\" >Les informations de connexion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.mathweb.fr\/euclide\/2022\/09\/02\/une-mailing-list-en-python\/#La_construction_du_message\" >La construction du message<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.mathweb.fr\/euclide\/2022\/09\/02\/une-mailing-list-en-python\/#Lenvoi_du_message\" >L&#8217;envoi du message<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.mathweb.fr\/euclide\/2022\/09\/02\/une-mailing-list-en-python\/#Mailing_list_et_Python_envoi_de_plusieurs_messages\" >Mailing list et Python: envoi de plusieurs messages<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.mathweb.fr\/euclide\/2022\/09\/02\/une-mailing-list-en-python\/#Connexion_a_une_base_de_donnees\" >Connexion \u00e0 une base de donn\u00e9es<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mailing_list_et_Python_le_client_mail\"><\/span>Mailing list et Python: le client mail<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La premi\u00e8re chose sur laquelle se pencher est la fa\u00e7on d&#8217;envoyer un mail \u00e0 l&#8217;aide de Python.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On va s&#8217;orienter du c\u00f4t\u00e9 des modules <em>smtp<\/em>, <em>ssl<\/em>, <em>MIMEText<\/em> et <em>MIMEMultipart<\/em>.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import smtplib, ssl\nfrom email.mime.text import MIMEText\nfrom email.mime.multipart import MIMEMultipart<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Les_informations_de_connexion\"><\/span>Les informations de connexion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Il faut bien entendu informer l&#8217;adresse du serveur mail ainsi que le port, puis l&#8217;adresse mail que vous souhaitez utiliser pour envoyer les messages, ainsi que le mot de passe de cet email.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">smtp_address = 'ssl0.ovh.net'\nsmtp_port = 465\n\nemail_address = 'jean.neymar@free.fr'\nemail_password = 'blablabla?314' # ce n'est qu'un exemple hein ?\nemail_destinataire = 'jeveuxdesvacances@moiaussi.com'<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"La_construction_du_message\"><\/span>La construction du message<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">message = MIMEMultipart(\"alternative\") # au cas o\u00f9 le destinataire ne saurait pas lire le HTML\nmessage[\"Subject\"] = \"La rentr\u00e9e scolaire est l\u00e0... et moi aussi!\"\nmessage[\"From\"] = email_address\nmessage[\"To\"] = email_destinataire \n\ntexte = '''Bonjour.\nLe corps du message ici.\nAu revoir.'''\n\nhtml = '''\n&lt;html>\n&lt;body>\n&lt;h1>Bonjour.&lt;\/h1>\n&lt;p>Le corps du message ici.&lt;\/p>\n&lt;p>Au revoir.&lt;\/p>\n&lt;\/body>\n&lt;\/html>'''\n\ntexte_mime = MIMEText(texte, 'plain')\nhtml_mime = MIMEText(html, 'html')\n\nmessage.attach(texte_mime)\nmessage.attach(html_mime)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Comme vous pouvez le voir, il faut envisager le pire, \u00e0 savoir que le logiciel qui va recevoir le mail ne puisse pas lire le format HTML. C&#8217;est la raison pour laquelle on doit aussi \u00e9crire le texte en brut.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lenvoi_du_message\"><\/span>L&#8217;envoi du message<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">context = ssl.create_default_context()\n\nwith smtplib.SMTP_SSL(smtp_address, smtp_port, context=context) as server:\n    server.login(email_address, email_password)\n    server.sendmail(email_address, email_destinataire, message.as_string())<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Voil\u00e0! Si cela fonctionne, vous \u00eates pr\u00eat\u00b7e\u00b7 pour passer \u00e0 la suite.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mailing_list_et_Python_envoi_de_plusieurs_messages\"><\/span>Mailing list et Python: envoi de plusieurs messages<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vous le devinerez s\u00fbrement, mais cette partie est la plus simple puisqu&#8217;elle ne repose que sur une boucle. Il faut au pr\u00e9alable construire une liste contenant toutes les adresses mails, bien s\u00fbr!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 ce niveau, c&#8217;est \u00e0 vous de construire votre boucle comme vous le souhaitez.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si le message doit rester le m\u00eame alors il peut \u00eatre \u00e0 l&#8217;ext\u00e9rieur de la boucle et seule l&#8217;adresse mail du destinataire pourra appara\u00eetre dans la boucle (avec la partie envoi bien s\u00fbr).<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">destinataires = [ 'xxx@xxx.fr' , 'yyy@xxx.com', ... ]\ncontext = ssl.create_default_context()\nwith smtplib.SMTP_SSL(smtp_address, smtp_port, context=context) as server:\n    server.login(email_address, email_password)\n    for dest in destinataires:\n       message[\"To\"] = dest\n       server.sendmail(email_address, dest, message.as_string())\n   <\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Connexion_a_une_base_de_donnees\"><\/span>Connexion \u00e0 une base de donn\u00e9es<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Il se peut que les adresses mails soient stock\u00e9es dans une base de donn\u00e9es MySQL ou MariaDB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce cas, il faudra se connecter \u00e0 cette base de donn\u00e9es. Pour MySQL, il y a le module <em>mysql.connector<\/em> et il y a une bonne documentation un peu partout.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Personnellement, j&#8217;utilise une base MariaDB (je ne sais m\u00eame plus pourquoi&#8230; mais bon!)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce cas, on va utiliser le module <em>mariadb<\/em>.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"dracula\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import mariadb\n\ndestinataires= []\n\ntry:\n    conn = mariadb.connect(\n        user=\"root\",\n        password=\"\",\n        host=\"localhost\",\n        database=\"coursparticuliers\"\n        \n    )\n    \n    cur = conn.cursor()    \n    cur.execute(\"SELECT email FROM clients WHERE actif=1\") # requ\u00eate de s\u00e9lection des emails\n    \n    for nom,prenom,email in cur:\n        liste.append( email )\n    \nexcept mariadb.Error as e:\n    print(f\"Error connecting to MariaDB Platform: {e}\")<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Ici, j&#8217;ai s\u00e9lectionn\u00e9 les adresses mails des clients qui \u00e9taient encore &#8220;actifs&#8221; (et non les anciens), car ma table &#8220;clients&#8221; poss\u00e8de une colonne &#8220;actif&#8221; (bool\u00e9en). Le crit\u00e8re de s\u00e9lection est bien entendu \u00e0 votre convenance&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Toute cette r\u00e9flexion est venue lorsque je voulais envoyer un mail \u00e0 tous les parents qui font appel \u00e0 moi dans le cadre de mes cours particuliers (<a href=\"https:\/\/courspasquet.fr\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/courspasquet.fr<\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment cr\u00e9er une mailing list \u00e0 l&#8217;aide de Python ? C&#8217;est la question que je me suis pos\u00e9e aujourd&#8217;hui. J&#8217;utilise personnellement Thunderbird, et il permet de de cr\u00e9er des listes de diffusion&#8230; Cependant, il met en copie l&#8217;adresse mail de tous les autres destinataires. Cela ne me convient pas. Il [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5],"tags":[362,363],"class_list":["post-7924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-informatique","category-python","tag-mariadb","tag-mysql"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Une mailing list en Python - Mathweb.fr<\/title>\n<meta name=\"description\" content=\"Comment cr\u00e9er une mailing list \u00e0 l&#039;aide de Python ? 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