40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
#
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# Copyright (c) 2013 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Utility functions.
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"""
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from zope.schema import vocabulary
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class KeywordVocabulary(vocabulary.SimpleVocabulary):
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def __init__(self, items, *interfaces):
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""" ``items`` may be a tuple of (token, title) or a dictionary
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with corresponding elements named 'token' and 'title'.
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"""
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terms = []
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for t in items:
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if type(t) is dict:
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token, title = t['token'], t['title']
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else:
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token, title = t
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terms.append(vocabulary.SimpleTerm(token, token, title))
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super(KeywordVocabulary, self).__init__(terms, *interfaces)
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