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R3600/modules/bibformat/lib/elements/bfe_meta_files.py
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bfe_meta_files.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.
"""BibFormat element - return the files of a record"""
from invenio.config import CFG_WEBSEARCH_ENABLE_GOOGLESCHOLAR
from invenio.bibformat_elements.bfe_fulltext import get_files
from invenio.bibdocfile import BibRecDocs, decompose_bibdocfile_url
def format_element(bfo, file_format='pdf'):
"""Return the files attached to this record, in order to be
embedded as a Google Scholar tag.
@param file_format: the format to include in this output
"""
if not CFG_WEBSEARCH_ENABLE_GOOGLESCHOLAR:
return ""
bibarchive = BibRecDocs(bfo.recID)
(files, old_versions_p, additionals_p) = get_files(bfo)
filtered_files = []
if files.has_key('main_urls') and \
files['main_urls'].has_key('Main'):
filtered_files = [f[0] for f in files['main_urls']['Main'] if f[2] == file_format and \
not url_is_hidden(f[0], bibarchive)]
if not filtered_files:
# Fall back to other doctypes
if files.has_key('main_urls'):
for doctype, list_of_files in files['main_urls'].iteritems():
filtered_files.extend([f[0] for f in list_of_files if f[2] == file_format and \
not url_is_hidden(f[0], bibarchive)])
if not filtered_files:
# Fall back to external urls
if files.has_key('others_urls'):
filtered_files.extend([file_url for file_url, file_name in files['others_urls'] \
if file_url.endswith('.' + file_format)])
tags = ['<meta name="citation_pdf_url" content="%s" />' % url for url in filtered_files]
return "\n".join(tags)
def url_is_hidden(url, bibarchive):
"""
Return True if the given URL should be hidden according to given
BibRecDocs structure.
"""
try:
(recid, docname, docformat) = decompose_bibdocfile_url(url)
return bibarchive.get_bibdoc(docname).hidden_p(docformat)
except:
return False
return False
def escape_values(bfo):
"""
Called by BibFormat in order to check if output of this element
should be escaped.
"""
return 0
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