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config.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013,
# 2015 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.
"""Invenio Search Engine config parameters."""
from __future__ import unicode_literals
SEARCH_QUERY_PARSER = 'invenio_query_parser.parser:Main'
SEARCH_QUERY_WALKERS = [
'invenio_query_parser.walkers.pypeg_to_ast:PypegConverter',
]
# SEARCH_QUERY_ENHANCERS -- a comma separated list of strings. Each string is a
# function that is applied to the AST generated by the parser and enhances the
# query tree
SEARCH_QUERY_ENHANCERS = [
# 'invenio.modules.search.enhancers.cache_results.apply',
'invenio.modules.search.enhancers.collection_filter.apply',
# 'invenio.modules.search.enhancers.facet_filter.apply',
]
# SEARCH_WALKERS -- a comma separated list of strings. Each string is
# a AST visitor class.
SEARCH_WALKERS = [
# 'invenio.modules.search.walkers.search_unit:SearchUnit',
'invenio.modules.search.walkers.elasticsearch:ElasticSearchDSL',
]
# do we want experimental features? (0=no, 1=yes)
CFG_EXPERIMENTAL_FEATURES = 0
# CFG_WEBSEARCH_IDXPAIRS_FIELDS -- a comma separated list of index
# fields. This list contains all the index fields on which exact
# phrase search should use idxPairs tables.
CFG_WEBSEARCH_IDXPAIRS_FIELDS = ['global', 'abstract', 'title', 'caption']
# CFG_WEBSEARCH_IDXPAIRS_EXACT_SEARCH -- if true, it will eliminate
# all the false positives when using the word pairs for search.
# (Example: `foo bar baz' being search as `foo bar' and `bar baz' may
# lead to false positives if there is no second-pass.) FIXME: we
# need this to be defined per index if we want to eliminate
# single-quoted vs double-quoted search difference, e.g. False for
# title search, but True for report number search.
CFG_WEBSEARCH_IDXPAIRS_EXACT_SEARCH = False
# Maximum number of collections to be displayed on the search results
# page. All the rest of the collections will be hidden by a
# "See more collections" link.
CFG_WEBSEARCH_RESULTS_OVERVIEW_MAX_COLLS_TO_PRINT = 10
# Prefix used for search results cache.
CFG_SEARCH_RESULTS_CACHE_PREFIX = "search_results::"
# CERN Site hack
# CFG_WEBSEARCH_SEARCH_WITHIN = ['title',
# 'author',
# 'abstract',
# 'report number,
# 'year']
CFG_WEBSEARCH_SEARCH_WITHIN = ['title',
'author',
'abstract',
'keyword',
'report number',
'journal',
'year',
'fulltext',
'reference']
CFG_WEBSEACH_MATCHING_TYPES = [
{
'code': 'a',
'title': "all of the words",
'order': 1,
'tokenize': """
var vals = val.split(' '),
result = $.map(vals, function(e) {
return f+e;
}).join(' AND ');
if (vals.length > 1) {
result = '(' + result +')';
}
return result;
"""
},
{
'code': 'o',
'title': "any of the words",
'order': 2,
'tokenize': """
var vals = val.split(' '),
result = $.map(vals, function(e) {
return f+e;
}).join(' OR ');
if (vals.length > 1) {
result = '(' + result +')';
}
return result;
"""
},
{
'code': 'e',
'title': "exact phrase",
'order': 3,
'tokenize': """
return f+'"'+val+'"';
"""
},
{
'code': 'p',
'title': "partial phrase",
'order': 4,
'tokenize': """
return f+"'"+val+"'";
"""
},
{
'code': 'r',
'title': "regular expression",
'order': 5,
'tokenize': """
return f+'/'+val+'/';
"""
}
]
# CFG_WEBSEARCH_COLLECTION_NAMES_SEARCH -- decides whether search for
# collection name is enabled (1), disabled (-1) or enabled only for
# the home collection (0), enabled for all collections including
# those not attached to the collection tree (2). This requires the
# CollectionNameSearchService search services to be enabled.)
CFG_WEBSEARCH_COLLECTION_NAMES_SEARCH = 0
# CFG_WEBSEARCH_MAX_RECORDS_REFERSTO -- in order to limit denial of service
# attacks the total number of records for which we look for incoming citations
# (all the records that have a reference/citation to the specified records)
# will be limited to this number. This does not limit the number of records in
# the result.
CFG_WEBSEARCH_MAX_RECORDS_REFERSTO = 50000
# CFG_WEBSEARCH_MAX_RECORDS_CITEDBY -- in order to limit denial of service
# attacks the total number of records for which we look for outgoing citations
# (all the records referenced/cited by the specified records) will be limited
# to this number. This does not limit the number of records in the result.
CFG_WEBSEARCH_MAX_RECORDS_CITEDBY = 50000
# SEARCH_ELASTIC_KEYWORD_MAPPING -- this variable holds a dictionary to map
# invenio keywords to elasticsearch fields
SEARCH_ELASTIC_KEYWORD_MAPPING = {
"author": {
'a': ["main_entry_personal_name.personal_name",
"added_entry_personal_name.personal_name"],
'p': ["main_entry_personal_name.personal_name",
"added_entry_personal_name.personal_name"],
'e': ['authors.raw'],
},
"collection": ["_collections"],
"title": ["title_statement.title"],
"980": [
"collections.primary",
"collections.secondary",
"collections.deleted",
],
"980__a": ["collections.primary"],
"980__b": ["collections.secondary"],
"542__l": ["information_relating_to_copyright_status.copyright_status"],
}

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