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bfe_authors.py
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Wed, May 22, 11:04

bfe_authors.py
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# -*- coding: utf-8 -*-
"""BibFormat element - Prints authors"""
from cgi import escape
from urllib import quote
from invenio.config import CFG_SITE_URL
from invenio.messages import gettext_set_language
from invenio import bibformat_utils
from Infoscience.Names import InfoscienceName
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'
"""
_ = gettext_set_language(bfo.lang) # load the right message language
output = []
all_authors = []
authors_1 = bfo.fields('100__', escape=3)
authors_2 = bfo.fields('700__', escape=3)
all_authors.extend(authors_1)
all_authors.extend(authors_2)
roles = {}
for author in all_authors:
if author.has_key('a') and author['a'].strip():
role = 'author'
if author.has_key('e') and author['e'].strip():
if 'ed' in author['e'].lower():
role = 'editor'
elif 'trad' in author['e'].lower():
role = 'translator'
elif 'dir' in author['e'].lower():
role = 'director'
if roles.has_key(role):
roles[role].append(author)
else:
roles[role] = [author]
if 'author' in roles.keys():
output.append(render_authors(bfo, roles['author'], limit, separator,
extension, print_links, print_affiliations,
affiliation_prefix, affiliation_suffix,
interactive, highlight, ""))
corporates = bfo.fields('710__a', escape=3)
if len(corporates):
output.append(render_corporates(bfo, corporates, separator, print_links))
if 'editor' in roles.keys():
if len(roles['editor']) > 1:
prefix = _("Editors")
else:
prefix = _("Editor")
output.append(render_authors(bfo, roles['editor'], limit, separator,
extension, print_links, print_affiliations,
affiliation_prefix, affiliation_suffix,
interactive, highlight,
prefix + ": ")
)
if 'translator' in roles.keys():
output.append(render_authors(bfo, roles['translator'], limit, separator,
extension, print_links, print_affiliations,
affiliation_prefix, affiliation_suffix,
interactive, highlight,
len(roles['translator']) == 1 and _("Translators: ") or _("Translator: "))
)
if 'director' in roles.keys():
output.append(render_authors(bfo, roles['director'], limit, separator,
extension, print_links, print_affiliations,
affiliation_prefix, affiliation_suffix,
interactive, highlight,
len(roles['director']) == 1 and _("Advisor: ") or _("Advisors: "))
)
if len(output) == 0:
return ''
return '<br />'.join(output)
def render_authors(bfo, authors_list, limit, separator='; ', extension='[...]',
print_links="yes", print_affiliations='no',
affiliation_prefix = ' (', affiliation_suffix = ')',
interactive="no", highlight="no", prefix=""):
_ = gettext_set_language(bfo.lang)
nb_authors = len(authors_list)
for author in authors_list:
if highlight == 'yes':
author['a'] = bibformat_utils.highlight(author['a'], bfo.search_pattern)
if print_links.lower() == "yes":
author['a'] = '<a href="%s/search?f=author&amp;p=%s&amp;ln=%s">%s</a>' % \
(CFG_SITE_URL, quote(author['a']), bfo.lang, escape(author['a']))
if author.has_key('u') and print_affiliations == "yes":
author['u'] = affiliation_prefix + author['u'] + affiliation_suffix
author['a'] = author.get('a', '') + author.get('u', '')
authors = []
for author in authors_list:
if author.has_key('q'):
authors.append(author['a'] + " (" + author['q'] + ")")
else:
authors.append(author['a'])
#authors = [author['a'] for author in authors_list] #James: have to put a condition to know if a q argument exist
if limit.isdigit() and nb_authors > int(limit) and interactive != "yes":
return prefix + separator.join(authors[:int(limit)]) + extension
elif limit.isdigit() and nb_authors > int(limit) and interactive == "yes":
return """%s%s<br />
<div class="toggler"><a href="#">%s</a></div>
<div class="toggled" style="display:none">%s</div>""" % (prefix,
separator.join(authors[:int(limit)]),
_("Show all %i authors") % nb_authors,
separator.join(authors[int(limit):]))
else:
return prefix + separator.join(authors)
def render_corporates(bfo, corporate_list, separator, print_links):
out = []
for corporate in corporate_list:
if print_links.lower() == "yes":
out.append('<a href="%s/search?f=710__a&amp;p=%s&amp;ln=%s">%s</a>' % \
(CFG_SITE_URL, quote(corporate), bfo.lang, escape(corporate)))
else:
out.append(coporate)
return separator.join(out)
"""
authors = []
for author in all_authors:
if author.has_key('a'):
if is_part_of_something and author.has_key('e') and author['e'].strip():
# AB 2011-11-04 check for editors of the containing work, which should not appear among authors
if 'ed' in author['e'].lower():
role = 'editor'
continue
else:
authors.append(author)
else:
authors.append(author)
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':
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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