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produce_json_for_marc.py
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Mon, May 20, 18:16

produce_json_for_marc.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.
def produce_json_for_marc(self, fields=None):
"""
Export the record in marc format.
@param tags: list of tags to include in the output, if None or
empty list all available tags will be included.
"""
from invenio.bibfield_utils import get_producer_rules
if not fields:
fields = self.keys()
out = []
for field in fields:
if field.startswith('__'):
continue
try:
marc_rules = get_producer_rules(field, 'json_for_marc')
for rule in marc_rules:
field = self.get(rule[0], None)
if field is None:
continue
if not isinstance(field, list):
field = [field, ]
for f in field:
for r in rule[1]:
tmp_dict = {}
for key, subfield in r.iteritems():
if not subfield:
tmp_dict[key] = f
else:
try:
tmp_dict[key] = f[subfield]
except:
try:
tmp_dict[key] = self._try_to_eval(subfield, value=f)
except Exception,e:
self['__error_messages.cerror[n]'] = 'Producer CError - Unable to produce %s - %s' % (field, str(e))
if tmp_dict:
out.append(tmp_dict)
except KeyError:
self['__error_messages.cerror[n]'] = 'Producer CError - No producer rule for field %s' % field
return out

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