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bfe_authors.py
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Sat, Nov 9, 23:03

bfe_authors.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 - Prints authors
"""
__revision__ = "$Id$"
def format_element(bfo, limit, separator=' ; ',
extension='[...]',
print_links="yes",
print_affiliations='no',
affiliation_prefix = ' (',
affiliation_suffix = ')',
interactive="no",
highlight="no"):
"""
Prints the list of authors of a record.
@param limit: the maximum number of authors to display
@param separator: the separator between authors.
@param extension: a text printed if more authors than 'limit' exist
@param print_links: if yes, prints the authors as HTML link to their publications
@param print_affiliations: if yes, make each author name followed by its affiliation
@param affiliation_prefix: prefix printed before each affiliation
@param affiliation_suffix: suffix printed after each affiliation
@param interactive: if yes, enable user to show/hide authors when there are too many (html + javascript)
@param highlight: highlights authors corresponding to search query if set to 'yes'
"""
from urllib import quote
from cgi import escape
from invenio.config import CFG_SITE_URL
from invenio.messages import gettext_set_language
_ = gettext_set_language(bfo.lang) # load the right message language
authors = []
authors_1 = bfo.fields('100__')
authors_2 = bfo.fields('700__')
authors.extend(authors_1)
authors.extend(authors_2)
nb_authors = len(authors)
# Process authors to add link, highlight and format affiliation
for author in authors:
if author.has_key('a'):
if highlight == 'yes':
from invenio import bibformat_utils
author['a'] = bibformat_utils.highlight(author['a'],
bfo.search_pattern)
if print_links.lower() == "yes":
author['a'] = '<a href="' + CFG_SITE_URL + \
'/search?f=author&amp;p='+ quote(author['a']) + \
'&amp;ln='+ bfo.lang + \
'">'+escape(author['a'])+'</a>'
if author.has_key('u'):
if print_affiliations == "yes":
author['u'] = affiliation_prefix + author['u'] + \
affiliation_suffix
# Flatten author instances
if print_affiliations == 'yes':
authors = [author.get('a', '') + author.get('u', '')
for author in authors]
else:
authors = [author.get('a', '')
for author in authors]
if limit.isdigit() and nb_authors > int(limit) and interactive != "yes":
return separator.join(authors[:int(limit)]) + extension
elif limit.isdigit() and nb_authors > int(limit) and interactive == "yes":
out = '''
<script type="text/javascript">
function toggle_authors_visibility(){
var more = document.getElementById('more');
var link = document.getElementById('link');
var extension = document.getElementById('extension');
if (more.style.display=='none'){
more.style.display = '';
extension.style.display = 'none';
link.innerHTML = "%(show_less)s"
} else {
more.style.display = 'none';
extension.style.display = '';
link.innerHTML = "%(show_more)s"
}
link.style.color = "rgb(204,0,0);"
}
function set_up(){
var extension = document.getElementById('extension');
extension.innerHTML = "%(extension)s";
toggle_authors_visibility();
}
</script>
'''%{'show_less':_("Hide"),
'show_more':_("Show all %i authors") % nb_authors,
'extension':extension}
out += '<a name="show_hide" />'
out += separator.join(authors[:int(limit)])
out += '<span id="more" style="">' + separator + \
separator.join(authors[int(limit):]) + '</span>'
out += ' <span id="extension"></span>'
out += ' <small><i><a id="link" href="#" onclick="toggle_authors_visibility()" style="color:rgb(204,0,0);"></a></i></small>'
out += '<script type="text/javascript">set_up()</script>'
return out
elif nb_authors > 0:
return separator.join(authors)
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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