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.interface import Interface, Attribute

    20 from zope.schema import TextLine, URI

    21 

    22 # import packages

    23 

    24 from pyams_thesaurus import _

    25 

    26 

    27 class IThesaurusTermExtension(Interface):

    28     """Thesaurus term extension interface

    29     

    30     An extension is a marker interface implemented by

    31     a term, which provides additional attributes to the term.

    32     

    33     Each available extension is defined as a named utility.

    34     """

    35 

    36     label = TextLine(title=_("Extension name"),

    37                      description=_("User name given to the extension"),

    38                      required=True)

    39 

    40     target_interface = Attribute(_("Extension marker interface"))

    41 

    42     target_view = URI(title=_("Extension target view"),

    43                       required=True)

    44 

    45     icon = URI(title=_("Extension icon URI"),

    46                required=True)