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R3600/modules/miscutil/lib/solrutils_bibindex_indexer.py
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solrutils_bibindex_indexer.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2011 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.
"""
Solr utilities.
"""
from invenio.config import CFG_SOLR_URL
from invenio.solrutils_config import CFG_SOLR_INVALID_CHAR_RANGES
from invenio.errorlib import register_exception
if CFG_SOLR_URL:
import solr
SOLR_CONNECTION = solr.SolrConnection(CFG_SOLR_URL) # pylint: disable=E1101
def replace_invalid_solr_characters(utext):
def replace(x):
o = ord(x)
for r in CFG_SOLR_INVALID_CHAR_RANGES:
if r[0] <= o <= r[1]:
return r[2]
return x
utext_elements = map(replace, utext)
return ''.join(utext_elements)
def solr_add_fulltext(recid, text):
"""
Helper function that dispatches TEXT to Solr for given record ID.
Returns True/False upon success/failure.
"""
if recid:
try:
utext = unicode(text, 'utf-8')
utext = replace_invalid_solr_characters(utext)
SOLR_CONNECTION.add(id=recid, abstract="", author="", fulltext=utext, keyword="", title="")
return True
except (UnicodeDecodeError, UnicodeEncodeError):
# forget about bad UTF-8 files
pass
except:
# In case anything else happens
register_exception(alert_admin=True)
return False
def solr_commit():
try:
# Commits might cause an exception, most likely a
# timeout while hitting a background merge
# Changes will then be committed later by the
# calling (periodical) task
# Also, autocommits can be used in the solrconfig
SOLR_CONNECTION.commit()
except:
register_exception(alert_admin=True)
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