diff options
Diffstat (limited to 'packages/templatetags/package_extras.py')
-rw-r--r-- | packages/templatetags/package_extras.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/packages/templatetags/package_extras.py b/packages/templatetags/package_extras.py new file mode 100644 index 00000000..8b55221b --- /dev/null +++ b/packages/templatetags/package_extras.py @@ -0,0 +1,28 @@ +from django import template + +register = template.Library() + +class BuildQueryStringNode(template.Node): + def __init__(self, sortfield): + self.sortfield = sortfield + def render(self, context): + qs = context['querystring'].copy() + if qs.has_key('sort') and qs['sort'] == self.sortfield: + qs['sort'] = '-' + self.sortfield + else: + qs['sort'] = self.sortfield + return '?' + qs.urlencode() + +@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.filter(name='space2br') +def space2br(value): + return value.replace(' ', '<br />') |