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BibIndexItemCountTokenizer.py
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Mon, Nov 18, 16:45

BibIndexItemCountTokenizer.py
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# -*- coding:utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2010, 2011, 2012, 2014 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.modules.indexer.tokenizers.BibIndexRecJsonTokenizer import BibIndexRecJsonTokenizer
class BibIndexItemCountTokenizer(BibIndexRecJsonTokenizer):
"""
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 tokenize_for_words(self, record):
return self.tokenize(record)
def tokenize_for_pairs(self, record):
return self.tokenize(record)
def tokenize_for_phrases(self, record):
return self.tokenize(record)
def get_tokenizing_function(self, wordtable_type):
return self.tokenize

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