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bibedit_dblayer.py
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Wed, May 15, 19:01

bibedit_dblayer.py
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## This file is part of Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
# pylint: disable=C0103
"""BibEdit Database Layer."""
__revision__ = "$Id$"
from invenio.dbquery import run_sql
from datetime import datetime
def get_name_tags_all():
"""Return a dictionary of all MARC tag's textual names."""
result = run_sql("SELECT name, value FROM tag")
# Collect names in a dictionary with field codes as keys.
nametags = {}
for el in result:
nametags[el[1]] = el[0]
return nametags
def get_bibupload_task_opts(task_ids):
"""Return a list with all set options for list of task IDs TASK_IDS."""
res = []
for task_id in task_ids:
res.append(run_sql("SELECT arguments FROM schTASK WHERE id=%s",
(task_id, )))
return res
def get_marcxml_of_record_revision(recid, job_date):
"""Return MARCXML string of record revision specified by RECID and JOB_DATE.
"""
return run_sql("""SELECT marcxml FROM hstRECORD
WHERE id_bibrec=%s AND job_date=%s""",
(recid, job_date))
def get_record_revisions(recid):
"""Return dates for all known revisions of record RECID.
returns a list of tuples (record_id, revision_date)
"""
return run_sql("""SELECT id_bibrec,
DATE_FORMAT(job_date, '%%Y%%m%%d%%H%%i%%s')
FROM hstRECORD WHERE id_bibrec=%s
ORDER BY job_date DESC""", (recid, ))
def get_record_last_modification_date(recid):
"""Return last modification date, as timetuple, of record RECID."""
sql_res = run_sql('SELECT max(job_date) FROM hstRECORD WHERE id_bibrec=%s',
(recid, ))
if sql_res[0][0] == None:
return datetime.now().timetuple() # in the case of missing last
# modification datetime, use
# current
else:
return sql_res[0][0].timetuple()
def reserve_record_id():
"""Reserve a new record ID in the bibrec table."""
return run_sql("""INSERT INTO bibrec (creation_date, modification_date)
VALUES (NOW(), NOW())""")
def get_related_hp_changesets(recId):
"""
A function returning the changesets saved in the Holding Pen, related
to the given record.
"""
return run_sql("""SELECT changeset_id, changeset_date FROM bibHOLDINGPEN
WHERE id_bibrec=%s ORDER BY changeset_date""", (recId, ))
def get_hp_update_xml(changeId):
"""
Get the MARC XML of the Holding Pen update
"""
return run_sql("""SELECT changeset_xml, id_bibrec from bibHOLDINGPEN WHERE
changeset_id=%s""", (str(changeId),))[0]
def delete_hp_change(changeId):
"""
Delete a change of a given number
"""
return run_sql("""DELETE from bibHOLDINGPEN where changeset_id=%s""",
(str(changeId), ))
def delete_related_holdingpen_changes(recId):
"""
A function removing all the Holding Pen changes related to a given record
"""
return run_sql("""DELETE FROM bibHOLDINGPEN WHERE id_bibrec=%s""",
(recId, ))
def get_record_revision_author(recid, td):
"""
Returns the author of a specific record revision
"""
# obtaining job date from the recvision identifier
datestring = "%04i-%02i-%02i %02i:%02i:%02i" % (td.tm_year, td.tm_mon,
td.tm_mday, td.tm_hour,
td.tm_min, td.tm_sec)
result = run_sql("""SELECT job_person from hstRECORD where id_bibrec=%s
AND job_date=%s""", (recid, datestring))
if result != ():
return result[0]
else:
return ""

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