diff -r d3668ecd9137 -r 738abc5935c9 ztfy/utils/timezone/schema.py
--- a/ztfy/utils/timezone/schema.py	Wed Jun 20 16:29:53 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,57 +0,0 @@
-### -*- coding: utf-8 -*- ####################################################
-##############################################################################
-#
-# Copyright (c) 2008-2010 Thierry Florac <tflorac AT ulthar.net>
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE.
-#
-##############################################################################
-
-__docformat__ = "restructuredtext"
-
-# import standard packages
-import pytz
-
-# import Zope3 interfaces
-from zope.schema.interfaces import IChoice, IVocabularyFactory
-
-# import local interfaces
-
-# import Zope3 packages
-from zope.interface import implements, classProvides
-from zope.schema import Choice
-from zope.schema.vocabulary import SimpleTerm, SimpleVocabulary
-
-# import local packages
-
-
-class TimezonesVocabulary(SimpleVocabulary):
-
-    classProvides(IVocabularyFactory)
-
-    def __init__(self, *args, **kw):
-        terms = [SimpleTerm(t, t, t) for t in pytz.all_timezones]
-        super(TimezonesVocabulary, self).__init__(terms)
-
-
-class ITimezone(IChoice):
-    """Marker interface for timezone field"""
-
-
-class Timezone(Choice):
-    """Timezone choice field"""
-
-    implements(ITimezone)
-
-    def __init__(self, **kw):
-        if 'vocabulary' in kw:
-            kw.pop('vocabulary')
-        if 'default' not in kw:
-            kw['default'] = u'GMT'
-        super(Timezone, self).__init__(vocabulary='ZTFY timezones', **kw)