website

aircox/templatetags/aircox.py

@@ -8,17 +8,33 @@ random.seed()
 register = template.Library()
 
 
-@register.simple_tag(name='unique_id')
-def do_unique_id(prefix=''):
-    value = str(random.random()).replace('.', '')
-    return prefix + '_' + value if prefix else value
+@register.filter(name='verbose_name')
+def do_verbose_name(obj, plural=False):
+    """ Return model's verbose name (singular or plural) """
+    return obj._meta.verbose_name_plural if plural else \
+           obj._meta.verbose_name
 
+@register.simple_tag(name='update_query')
+def do_update_query(obj, **kwargs):
+    """ Replace provided querydict's values with **kwargs. """
+    for k, v in kwargs.items():
+        if v is not None:
+            obj[k] = list(v) if hasattr(v, '__iter__') else [v]
+        elif k in obj:
+            obj.pop(k)
+    return obj
 
 @register.filter(name='is_diffusion')
 def do_is_diffusion(obj):
     return isinstance(obj, Diffusion)
 
 
+@register.simple_tag(name='unique_id')
+def do_unique_id(prefix=''):
+    value = str(random.random()).replace('.', '')
+    return prefix + '_' + value if prefix else value
+
+
 @register.simple_tag(name='nav_items', takes_context=True)
 def do_nav_items(context, menu, **kwargs):
     station, request = context['station'], context['request']