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convert_journals.py
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Fri, Sep 13, 02:44

convert_journals.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2013 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.
import optparse
import sys
from invenio.legacy.docextract.record import create_records, print_records
from invenio.legacy.refextract.kbs import get_kbs
from invenio.legacy.docextract.text import re_group_captured_multiple_space
from invenio.legacy.refextract.regexs import re_punctuation
DESCRIPTION = """Utility to convert journal names from abbreviations
or full names to their short form"""
HELP_MESSAGE = """
-o, --out Write the extracted references, in xml form, to a file
rather than standard output.
"""
USAGE_MESSAGE = """Usage: convert_journals [options] file1 [file2 ...]
Command options: %s
Examples:
convert_journals -o /home/chayward/thesis-out.xml /home/chayward/thesis.xml
""" % HELP_MESSAGE
def mangle_value(kb, value):
value = re_punctuation.sub(u' ', value.upper())
value = re_group_captured_multiple_space.sub(u' ', value)
value = value.strip()
standardized_titles = kb[1]
if value in standardized_titles:
value = standardized_titles[value]
return value
def mangle(kb, value):
try:
title, volume, page = value.split(',')
except ValueError:
pass
else:
value = '%s,%s,%s' % (mangle_value(kb, title), volume, page)
return value
def convert_journals(kb, record):
for subfield in record.find_subfields('999C5s'):
subfield.value = mangle(kb, subfield.value)
for subfield in record.find_subfields('773__p'):
subfield.value = mangle_value(kb, subfield.value)
return record
def convert_journals_list(kb, records):
return [convert_journals(kb, record) for record in records]
def write_records(config, records):
"""Write marcxml to file
* Output xml header
* Output collection opening tag
* Output xml for each record
* Output collection closing tag
"""
if config.xmlfile:
out = open(config.xmlfile, 'w')
else:
out = sys.stdout
xml = print_records(records)
try:
print >>out, xml
out.flush()
finally:
if config.xmlfile:
out.close()
def usage(wmsg=None, err_code=0):
"""Display a usage message for refextract on the standard error stream and
then exit.
@param wmsg: (string) some kind of brief warning message for the user.
@param err_code: (integer) an error code to be passed to halt,
which is called after the usage message has been printed.
@return: None.
"""
# Display the help information and the warning in the stderr stream
# 'help_message' is global
if wmsg:
print >> sys.stderr, wmsg
print >> sys.stderr, USAGE_MESSAGE
sys.exit(err_code)
def cli_main(options, args):
if options.help or not args:
usage()
return
if options.kb_journals:
kbs_files = {'journals': options.kb_journals}
else:
kbs_files = {}
kb = get_kbs(custom_kbs_files=kbs_files)['journals']
out_records = []
for path in args:
f = open(path)
try:
xml = f.read()
finally:
f.close()
out_records += convert_journals_list(kb, create_records(xml))
write_records(options, out_records)
def get_cli_options():
"""Get the various arguments and options from the command line and populate
a dictionary of cli_options.
@return: (tuple) of 2 elements. First element is a dictionary of cli
options and flags, set as appropriate; Second element is a list of cli
arguments.
"""
parser = optparse.OptionParser(description=DESCRIPTION,
usage=USAGE_MESSAGE,
add_help_option=False)
# Display help and exit
parser.add_option('-h', '--help', action='store_true')
# Write out MARC XML references to the specified file
parser.add_option('-o', '--out', dest='xmlfile')
# Handle verbosity
parser.add_option('-v', '--verbose', type=int, dest='verbosity', default=0)
# Specify a different journals database
parser.add_option('--kb-journals', dest='kb_journals')
return parser.parse_args()

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