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from urllib import urlencode
try:
from urlparse import parse_qs
except ImportError:
from cgi import parse_qs
from django import template
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'])
# This is really dirty. The crazy round trips we do on our query string
# mean we get things like u'\xe2\x98\x83' in our views, when we should
# have simply u'\u2603' or a byte string of the UTF-8 value. Force the
# keys and list of values to be byte strings only.
qs = {k.encode('latin-1'): [v.encode('latin-1') for v in vals]
for k, vals in qs.items()}
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:
tagname, 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 link % (pkg.get_absolute_url(), pkg.pkgname, link_content)
# vim: set ts=4 sw=4 et:
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