Add sample script to send credentials

contrib/send_credentials.py

+#!/usr/bin/env python3
+
+import smtplib
+from email.mime.text import MIMEText
+from string import Template
+import time
+import getpass
+
+# In DEGUB mode, emails are sent to this address instead of the true one.
+# (typically the address of the credential authority)
+DEBUG=False
+DEBUG_MAIL='bozo.leclown@example.com'
+
+# Edit the following according to your election:
+FROM='bozo.leclown@example.com' # can be the email of the credential authority
+SUBJECT='Élection du meilleur cookie: votre matériel de vote'
+UUID='7af1a378-ed25-481a-9775-7b1a7e55c746'
+
+# Your outgoing email configuration:
+SMTP='smtp.example.com'
+username='bozo'
+password = getpass.getpass("please type your password: ")
+
+# name of the file where to read the credentials
+CODE_FILE='codefile.txt'
+
+# Edit the email template:
+TEMPLATE=Template("""
+Bonjour,
+
+Nous vous invitons à participer à l'élection du meilleur cookie
+à l'adresse suivante:
+
+  https://belenios.loria.fr/elections/$UUID/
+
+Vous aurez besoin de vos identifiants LDAP ou de votre login/mot de
+passe, mais aussi du code de vote personnel (appelé "credential") que voici :
+
+  $ELECTION_CODE
+
+Le scrutin est ouvert du 1 avril à 9h au 2 avril à 18h.
+
+Veillez bien à aller au bout des 6 étapes pour que votre vote soit pris
+en compte. Un mail de confirmation vous sera envoyé.
+
+Pour rappel, il y a deux candidats : Maïté et Amandine.
+
+Merci de votre participation
+
+==========================================================
+
+Hello,
+
+You are listed as a voter for the election of the best cookie.
+Please visit the following link:
+
+  https://belenios.loria.fr/elections/$UUID/
+
+You will need your LDAP or login / password, and also the following
+credential (personal code):
+
+  $ELECTION_CODE
+
+The election is open from April 1st, 9am to April 2nd, 6pm.
+
+Be sure to go through the 6 steps to ensure that your vote is taken into
+account. A confirmation email will be sent.
+
+Reminder: there are two candidates Maïté and Amandine.
+
+Thank you for your participation.
+""")
+
+# Real stuf starts here. Pretty short, isn't it?
+with open(CODE_FILE) as cf:
+    d = dict(UUID=UUID)
+    s = smtplib.SMTP(SMTP)
+    s.starttls()
+    s.login(username, password)
+    for line in cf:
+        l = line.split()
+        d['ELECTION_CODE']=l[1]
+        msg = MIMEText(TEMPLATE.substitute(d))
+        email=l[0].split(",")[0]
+        msg['Subject'] = SUBJECT
+        msg['From'] = FROM
+        if DEBUG:
+            msg['To'] = DEBUG_MAIL
+        else:
+            msg['To'] = email
+        s.send_message(msg)
+        time.sleep(0.2) # short delay; might need more for very large election
+    s.quit()
+