Initial import (quite some code)

crans_utils.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# CRANS_UTILS.PY-- Utils for Cr@ns gestion
+#
+# Copyright (c) 2010, Cr@ns <roots@crans.org>
+# Author: Antoine Durand-Gasselin <adg@crans.org>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# * Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+# * Neither the name of the Cr@ns nor the names of its contributors may
+#   be used to endorse or promote products derived from this software
+#   without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import netaddr, time, smtplib
+import config
+
+def ip_of_mid(mid):
+    """Convertit un mid en son IP associée"""
+    for net, plage in config.mid.items():
+        if mid >= plage[0] and mid <= plage[1]:
+            break
+    else:
+        raise ValueError("Mid dans aucune plage: %d" % mid)
+
+    return netaddr.IPAddress(netaddr.IPNetwork(config.NETs[net]).first + mid - plage[0])
+
+def strip_accents(a):
+    """ Supression des accents de la chaîne fournie"""
+    res = normalize('NFKD', decode(a)).encode('ASCII', 'ignore')
+    return res.replace(' ', '_').replace("'", '')
+
+def mailexist(mail):
+    """Vérifie si une adresse mail existe ou non grace à la commande
+    vrfy du serveur mail """
+
+    mail = mail.split('@', 1)[0]
+    try:
+        s = smtplib.SMTP(smtpserv)
+        s.putcmd("vrfy", mail)
+        r = s.getreply()[0] in [250, 252]
+        s.close()
+    except:
+        raise ValueError(u'Serveur de mail injoignable')
+
+    return r
+
+def format_mac(mac):
+    u""" Formatage des adresses mac
+    Transforme une adresse pour obtenir la forme xx:xx:xx:xx:xx:xx
+    Retourne la mac formatée.
+    """
+    netaddr.EUI(mac, dialect='mac_unix')
+    if not mac:
+        raise ValueError(u"MAC nulle interdite\nIl doit être possible de modifier l'adresse de la carte.")
+    return mac
+