Redirect to login url after logout

apps/common/templatetags/settings.py

@@ -0,0 +1,36 @@
+import re
+
+from django.template import Node, Variable
+from django.template import TemplateSyntaxError, Library, VariableDoesNotExist
+from django.template.defaultfilters import stringfilter
+from django.template.defaultfilters import date as datefilter
+from django.conf import settings
+
+register = Library()
+
+
+class SettingsNode(Node):
+    def __init__(self, format_string, var_name):
+        self.format_string = format_string
+        self.var_name = var_name
+    def render(self, context):
+        #context[self.var_name] = settings(self.format_string)
+        context[self.var_name] = getattr(settings, self.format_string, '')
+        return ''
+
+
+@register.tag
+def get_setting(parser, token):
+    # This version uses a regular expression to parse tag contents.
+    try:
+        # Splitting by None == splitting by spaces.
+        tag_name, arg = token.contents.split(None, 1)
+    except ValueError:
+        raise TemplateSyntaxError, "%r tag requires arguments" % token.contents.split()[0]
+    m = re.search(r'(.*?) as (\w+)', arg)
+    if not m:
+        raise TemplateSyntaxError, "%r tag had invalid arguments" % tag_name
+    format_string, var_name = m.groups()
+    if not (format_string[0] == format_string[-1] and format_string[0] in ('"', "'")):
+        raise TemplateSyntaxError, "%r tag's argument should be in quotes" % tag_name
+    return SettingsNode(format_string[1:-1], var_name)