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utils.py
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Sat, Sep 14, 03:07

utils.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2014 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.
"""Utility functions."""
import os
from flask import url_for, current_app
from flask.ext.login import current_user
def get_pdf_path(f):
"""Return pdf path."""
path = f.get_full_path()
if os.path.isfile(path):
return str(path)
return None
def get_record_files(recid, filename):
"""Yield legacy BibDoc files."""
from invenio.legacy.bibdocfile.api import BibRecDocs
for f in BibRecDocs(recid).list_latest_files(list_hidden=False):
if f.name + f.superformat == filename or filename is None:
yield f
def get_record_documents(recid, filename):
"""Yield LegacyBibDoc files from Documents."""
from invenio.modules.records.api import get_record
from invenio.modules.documents.api import Document
from invenio.legacy.bibdocfile.api import decompose_file
record = get_record(recid)
duuids = [uuid for (k, uuid) in record.get('_documents', [])
if k == filename]
for duuid in duuids:
document = Document.get_document(duuid)
if not document.is_authorized(current_user):
current_app.logger.info(
"Unauthorized access to /{recid}/files/{filename} "
"({document}) by {current_user}".format(
recid=recid, filename=filename, document=document,
current_user=current_user))
continue
if document.get('linked', False) and (
document.get('uri').startswith('http://') or
document.get('uri').startswith('https://')):
url = document.get('uri')
else:
url = url_for('record.file', recid=recid, filename=filename)
(dummy, name, superformat) = decompose_file(filename)
class LegacyBibDoc(object):
def __init__(self, **kwargs):
for key, value in kwargs.items():
setattr(self, key, value)
def get_full_path(self):
return document.get('uri')
def get_recid(self):
return recid
yield LegacyBibDoc(name=name, superformat=superformat, url=url)

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