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from urllib.parse import urlencode, parse_qs
from django import template
from django.utils.html import format_html
register = template.Library()
class BuildQueryStringNode(template.Node):
def __init__(self, sortfield):
self.sortfield = sortfield
super(BuildQueryStringNode, self).__init__()
def render(self, context):
qs = parse_qs(context['current_query'])
if 'sort' in qs and self.sortfield in qs['sort']:
if self.sortfield.startswith('-'):
qs['sort'] = [self.sortfield[1:]]
else:
qs['sort'] = ['-' + self.sortfield]
else:
qs['sort'] = [self.sortfield]
return urlencode(qs, True).replace('&', '&')
@register.tag(name='buildsortqs')
def do_buildsortqs(parser, token):
try:
_, sortfield = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError(
"%r tag requires a single argument" % token)
if not (sortfield[0] == sortfield[-1] and sortfield[0] in ('"', "'")):
raise template.TemplateSyntaxError(
"%r tag's argument should be in quotes" % token)
return BuildQueryStringNode(sortfield[1:-1])
@register.simple_tag
def pkg_details_link(pkg, link_title=None, honor_flagged=False):
if not pkg:
return link_title or ''
if link_title is None:
link_title = pkg.pkgname
link_content = link_title
if honor_flagged and pkg.flag_date:
link_content = '<span class="flagged">%s</span>' % link_title
link = '<a href="%s" title="View package details for %s">%s</a>'
return format_html(link % (pkg.get_absolute_url(), pkg.pkgname, link_content))
# vim: set ts=4 sw=4 et:
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