1 #

     2 # Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>

     3 # All Rights Reserved.

     4 #

     5 # This software is subject to the provisions of the Zope Public License,

     6 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.

     7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED

     8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

     9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS

    10 # FOR A PARTICULAR PURPOSE.

    11 #

    12 

    13 __docformat__ = 'restructuredtext'

    14 

    15 

    16 # import standard library

    17 

    18 # import interfaces

    19 from zope.schema.interfaces import IChoice

    20 

    21 # import packages

    22 from zope.interface import implementer, Interface

    23 from zope.schema import Choice

    24 

    25 from pyams_utils import _

    26 

    27 

    28 class ITimezone(IChoice):

    29     """Marker interface for timezone field"""

    30 

    31 

    32 @implementer(ITimezone)

    33 class Timezone(Choice):

    34     """Timezone choice field"""

    35 

    36     def __init__(self, **kw):

    37         if 'vocabulary' in kw:

    38             kw.pop('vocabulary')

    39         if 'default' not in kw:

    40             kw['default'] = u'GMT'

    41         super(Timezone, self).__init__(vocabulary='PyAMS timezones', **kw)

    42 

    43 

    44 class IServerTimezone(Interface):

    45     """Server timezone interface"""

    46 

    47     timezone = Timezone(title=_("Server timezone"),

    48                         description=_("Default server timezone"),

    49                         required=True)