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BibIndexItemCountTokenizer.py
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Fri, Apr 25, 08:50

BibIndexItemCountTokenizer.py
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# -*- coding:utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2010, 2011, 2012 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""BibIndexItemCountTokenizer: counts the number of copies of a book which is
owned by the library in the real world.
"""
from invenio.bibindex_tokenizers.BibIndexEmptyTokenizer import BibIndexEmptyTokenizer
class BibIndexItemCountTokenizer(BibIndexEmptyTokenizer):
"""
Returns a number of copies of a book which is owned by the library.
"""
def __init__(self, stemming_language = None, remove_stopwords = False, remove_html_markup = False, remove_latex_markup = False):
pass
def tokenize(self, record):
"""Tokenizes for number of copies of a book in the 'real' library"""
count = 0
try:
count = record['_number_of_copies']
except KeyError:
pass
except TypeError:
return []
return [str(count)]
def get_tokenizing_function(self, wordtable_type):
return self.tokenize

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