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import cgi, urllib
from django import template
from django.utils.html import escape
register = template.Library()
class BuildQueryStringNode(template.Node):
def __init__(self, sortfield):
self.sortfield = sortfield
def render(self, context):
qs = dict(cgi.parse_qsl(context['current_query'][1:]))
if qs.has_key('sort') and qs['sort'] == self.sortfield:
if self.sortfield.startswith('-'):
qs['sort'] = self.sortfield[1:]
else:
qs['sort'] = '-' + self.sortfield
else:
qs['sort'] = self.sortfield
return '?' + urllib.urlencode(qs)
@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" % tagname)
if not (sortfield[0] == sortfield[-1] and sortfield[0] in ('"', "'")):
raise template.TemplateSyntaxError(
"%r tag's argument should be in quotes" % tagname)
return BuildQueryStringNode(sortfield[1:-1])
@register.tag
def userpkgs(parser, token):
try:
tagname, user = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError(
"%r tag requires a single argument" % tagname)
return UserPkgsNode(user)
class UserPkgsNode(template.Node):
def __init__(self, user):
self.user = template.Variable(user)
def render(self, context):
try:
real_user = self.user.resolve(context)
# TODO don't hardcode
title = escape('View packages maintained by ' + real_user.get_full_name())
return '<a href="/packages/search/?maintainer=%s" title="%s">%s</a>' % (
real_user.username,
title,
real_user.get_full_name(),
)
except template.VariableDoesNotExist:
return ''
pass
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