forked from ScoDoc/ScoDoc
234 lines
7.3 KiB
Python
234 lines
7.3 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Gestion scolarite IUT
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#
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# Copyright (c) 1999 - 2021 Emmanuel Viennet. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Emmanuel Viennet emmanuel.viennet@viennet.net
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#
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##############################################################################
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"""Import d'utilisateurs via fichier Excel
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"""
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import random, time
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.header import Header
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from app.scodoc import sco_emails
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import app.scodoc.sco_utils as scu
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from app.scodoc.notes_log import log
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from app.scodoc.sco_exceptions import AccessDenied, ScoValueError, ScoException
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from app.scodoc import sco_excel
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from app.scodoc import sco_preferences
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from app.scodoc import sco_users
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TITLES = ("user_name", "nom", "prenom", "email", "roles", "dept")
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def generate_excel_sample():
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"""generates an excel document suitable to import users"""
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style = sco_excel.excel_make_style(bold=True)
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titles = TITLES
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titlesStyles = [style] * len(titles)
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return sco_excel.excel_simple_table(
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titles=titles, titlesStyles=titlesStyles, sheet_name="Utilisateurs ScoDoc"
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)
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def import_excel_file(datafile, REQUEST=None, context=None):
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"Create users from Excel file"
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authuser = REQUEST.AUTHENTICATED_USER
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auth_name = str(authuser)
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authuser_info = context._user_list(args={"user_name": auth_name})
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zope_roles = authuser.getRolesInContext(context)
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if not authuser_info and not ("Manager" in zope_roles):
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# not admin, and not in database
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raise AccessDenied("invalid user (%s)" % auth_name)
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if authuser_info:
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auth_dept = authuser_info[0]["dept"]
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else:
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auth_dept = ""
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log("sco_import_users.import_excel_file by %s" % auth_name)
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exceldata = datafile.read()
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if not exceldata:
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raise ScoValueError("Ficher excel vide ou invalide")
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_, data = sco_excel.Excel_to_list(exceldata)
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if not data: # probably a bug
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raise ScoException("import_excel_file: empty file !")
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# 1- --- check title line
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fs = [scu.stripquotes(s).lower() for s in data[0]]
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log("excel: fs='%s'\ndata=%s" % (str(fs), str(data)))
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# check cols
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cols = {}.fromkeys(TITLES)
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unknown = []
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for tit in fs:
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if tit not in cols:
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unknown.append(tit)
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else:
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del cols[tit]
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if cols or unknown:
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raise ScoValueError(
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"colonnes incorrectes (on attend %d, et non %d) <br/> (colonnes manquantes: %s, colonnes invalides: %s)"
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% (len(TITLES), len(fs), list(cols.keys()), unknown)
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)
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# ok, same titles...
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U = []
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for line in data[1:]:
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d = {}
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for i in range(len(fs)):
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d[fs[i]] = line[i]
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U.append(d)
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return import_users(U, auth_dept=auth_dept, context=context)
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def import_users(U, auth_dept="", context=None):
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"""Import des utilisateurs:
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Pour chaque utilisateur à créer:
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- vérifier données
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- générer mot de passe aléatoire
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- créer utilisateur et mettre le mot de passe
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- envoyer mot de passe par mail
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En cas d'erreur: supprimer tous les utilisateurs que l'on vient de créer.
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"""
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created = [] # liste de uid créés
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try:
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for u in U:
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ok, msg = sco_users.check_modif_user(
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0,
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user_name=u["user_name"],
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nom=u["nom"],
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prenom=u["prenom"],
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email=u["email"],
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roles=u["roles"],
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)
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if not ok:
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raise ScoValueError(
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"données invalides pour %s: %s" % (u["user_name"], msg)
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)
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u["passwd"] = generate_password()
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# si auth_dept, crée tous les utilisateurs dans ce departement
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if auth_dept:
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u["dept"] = auth_dept
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#
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context.create_user(u.copy())
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created.append(u["user_name"])
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except:
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log("import_users: exception: deleting %s" % str(created))
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# delete created users
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for user_name in created:
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context._user_delete(user_name)
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raise # re-raise exception
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for u in U:
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mail_password(u, context=context)
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return "ok"
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# --------- Génération du mot de passe initial -----------
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# Adapté de http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/440564
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# Alphabet tres simple pour des mots de passe simples...
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ALPHABET = r"""ABCDEFGHIJKLMNPQRSTUVWXYZ123456789123456789AEIOU"""
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PASSLEN = 6
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RNG = random.Random(time.time())
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def generate_password():
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"""This function creates a pseudo random number generator object, seeded with
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the cryptographic hash of the passString. The contents of the character set
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is then shuffled and a selection of passLength words is made from this list.
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This selection is returned as the generated password."""
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l = list(ALPHABET) # make this mutable so that we can shuffle the characters
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RNG.shuffle(l) # shuffle the character set
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# pick up only a subset from the available characters:
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return "".join(RNG.sample(l, PASSLEN))
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def mail_password(u, context=None, reset=False):
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"Send password by email"
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if not u["email"]:
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return
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u["url"] = scu.ScoURL()
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txt = (
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"""
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Bonjour %(prenom)s %(nom)s,
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"""
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% u
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)
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if reset:
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txt += (
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"""
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votre mot de passe ScoDoc a été ré-initialisé.
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Le nouveau mot de passe est: %(passwd)s
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Votre nom d'utilisateur est %(user_name)s
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Vous devrez changer ce mot de passe lors de votre première connexion
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sur %(url)s
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"""
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% u
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)
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else:
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txt += (
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"""
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vous avez été déclaré comme utilisateur du logiciel de gestion de scolarité ScoDoc.
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Votre nom d'utilisateur est %(user_name)s
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Votre mot de passe est: %(passwd)s
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Le logiciel est accessible sur: %(url)s
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Vous êtes invité à changer ce mot de passe au plus vite (cliquez sur
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votre nom en haut à gauche de la page d'accueil).
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"""
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% u
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)
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txt += (
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"""
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ScoDoc est un logiciel libre développé à l'Université Paris 13 par Emmanuel Viennet.
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Pour plus d'informations sur ce logiciel, voir %s
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"""
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% scu.SCO_WEBSITE
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)
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msg = MIMEMultipart()
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if reset:
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msg["Subject"] = Header("Mot de passe ScoDoc", scu.SCO_ENCODING)
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else:
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msg["Subject"] = Header("Votre accès ScoDoc", scu.SCO_ENCODING)
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msg["From"] = sco_preferences.get_preference("email_from_addr")
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msg["To"] = u["email"]
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msg.epilogue = ""
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txt = MIMEText(txt, "plain", scu.SCO_ENCODING)
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msg.attach(txt)
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sco_emails.sendEmail(msg)
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