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bibuploadutils.py
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Thu, Feb 27, 22:50

bibuploadutils.py
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## 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 os
import uuid
from tempfile import mkstemp
from invenio.bibrecord import record_xml_output
from invenio.bibtask import task_low_level_submission
from invenio.config import CFG_TMPSHAREDDIR
CFG_MAX_RECORDS = 500
def open_temp_file(prefix):
"""
Create a temporary file to write MARC XML in
"""
# Prepare to save results in a tmp file
(fd, filename) = mkstemp(
dir=CFG_TMPSHAREDDIR,
prefix=prefix + str(uuid.uuid4()),
suffix='.xml'
)
file_out = os.fdopen(fd, "w")
return (file_out, filename)
def close_temp_file(file_out, filename):
""" Close temporary file again """
file_out.close()
os.chmod(filename, 0644)
def bibupload_record(record=None, collection=None, file_prefix="bibuploadutils", mode="-c",
alias='bibuploadutils', opts=[]):
"""
General purpose function that will write a MARCXML file and call bibupload
on it.
"""
if collection is None and record is None:
return
(file_out, filename) = open_temp_file(file_prefix)
if collection is not None:
file_out.write("<collection>")
tot = 0
for rec in collection:
file_out.write(record_xml_output(rec))
tot += 1
if tot == CFG_MAX_RECORDS:
file_out.write("</collection>")
close_temp_file(file_out, filename)
task_low_level_submission(
'bibupload', alias, mode, filename, *opts
)
(file_out, filename) = open_temp_file(file_prefix)
file_out.write("<collection>")
tot = 0
file_out.write("</collection>")
elif record is not None:
tot = 1
file_out.write(record_xml_output(record))
close_temp_file(file_out, filename)
if tot > 0:
task_low_level_submission('bibupload', alias, mode, filename, *opts)

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