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marcxml_tasks.py
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Tue, Aug 27, 23:38

marcxml_tasks.py
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## This file is part of Invenio.
## Copyright (C) 2012 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 convert_record(stylesheet="oaiarxiv2marcxml.xsl"):
def _convert_record(obj, eng):
"""
Will convert the object data, if XML, using the given stylesheet
"""
from invenio.bibconvert_xslt_engine import convert
obj.db_obj.last_task_name = 'convert_record'
eng.log.info("Starting conversion using %s stylesheet" %
(stylesheet,))
eng.log.info("Type of data: %s" % (obj.db_obj.data_type,))
if obj.db_obj.data_type == "text/xml":
try:
obj.data['data'] = convert(obj.data['data'], stylesheet)
except:
obj.error_msg = 'Could not convert record'
eng.log.error("Error: %s" % (obj.db_obj.error_msg,))
raise
else:
eng.halt("Data type not valid text/xml")
_convert_record.__title__ = "Record conversion"
_convert_record.__description__ = "This task converts a XML record."
return _convert_record
def download_fulltext(obj, eng):
"""
Will download the fulltext document
"""
from invenio.bibdocfile import download_url
obj.db_obj.last_task_name = 'download_fulltext'
try:
eng.log.info("Starting download of %s" % (obj.data['url']))
url = download_url(obj.data['url'])
obj.db_obj.extra_data['tasks_results']['fulltext_url'] = url
except KeyError:
# Log the error
obj.db_obj.error_msg = 'Record does not include url'
eng.log.error("Error: %s" % (obj.db_obj.error_msg,))
download_fulltext.__title__ = "Record conversion"
download_fulltext.__description__ = "This task downloads fulltext."
def match_record(obj, eng):
"""
Will try to find matches in stored records
"""
from invenio.bibrecord import create_record
from invenio.bibmatch_engine import match_records
obj.db_obj.last_task_name = 'match_record'
rec = create_record(obj.data['data'])
matches = match_records(records=[rec],
qrystrs=[("title", "[245__a]")])
obj.db_obj.extra_data['tasks_results']['match_record'] = matches
if matches[2] or matches[3]:
# we have ambiguous or fuzzy results
# render holding pen corresponding template
eng.halt("Match resolution needed")
elif matches[0]:
eng.log.info("Matching: new record")
else:
results = matches[1][0][1]
eng.log.info("Matching: existing record %s" % (results,))
match_record.__title__ = "Record matching"
match_record.__description__ = "This task matches a XML record."
def print_record(obj, eng):
eng.log.info(obj.data['data'])
print_record.__title__ = "Print Record"
print_record.__description__ = "Prints the record data to engine log"
def upload_record(mode="ir"):
def _upload_record(obj, eng):
from invenio.bibtask import task_low_level_submission
eng.log.info("Saving data to temporary file for upload")
filename = obj.save_to_file()
params = ["-%s" % (mode,), filename]
task_id = task_low_level_submission("bibupload", "bibworkflow",
*tuple(params))
eng.log.info("Submitted task #%s" % (task_id,))
_upload_record.__title__ = "Upload Record"
_upload_record.__description__ = "Uploads the record using BibUpload"
return _upload_record

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