1 files changed, 23 insertions, 2 deletions
diff --git a/ishtar_common/utils.py b/ishtar_common/utils.py
index 5d9e85c60..cc01f23e7 100644
--- a/ishtar_common/utils.py
+++ b/ishtar_common/utils.py
@@ -28,6 +28,7 @@ from django.conf import settings
 from django.contrib.gis.geos import GEOSGeometry
 from django.core.cache import cache
 from django.core.urlresolvers import reverse
+from django.utils.datastructures import MultiValueDict as BaseMultiValueDict
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _, ugettext
 from django.template.defaultfilters import slugify
@@ -47,13 +48,33 @@ class BColors:
     UNDERLINE = '\033[4m'
 
 
+class MultiValueDict(BaseMultiValueDict):
+    def get(self, *args, **kwargs):
+        v = super(MultiValueDict, self).getlist(*args, **kwargs)
+        if callable(v):
+            v = v()
+        if type(v) in (list, tuple) and len(v) > 1:
+            v = ",".join(v)
+        elif type(v) not in (int, unicode):
+            v = super(MultiValueDict, self).get(*args, **kwargs)
+        return v
+
+    def getlist(self, *args, **kwargs):
+        lst = super(MultiValueDict, self).getlist(*args, **kwargs)
+        if type(lst) not in (tuple, list):
+            lst = [lst]
+        return lst
+
+
 def get_current_year():
     return datetime.datetime.now().year
 
 
-def get_cache(cls, extra_args=[]):
+def get_cache(cls, extra_args=tuple(), app_label=None):
+    if not app_label:
+        app_label = cls._meta.app_label
     cache_key = u"{}-{}-{}".format(
-        settings.PROJECT_SLUG, cls._meta.app_label, cls.__name__)
+        settings.PROJECT_SLUG, app_label, cls.__name__)
     for arg in extra_args:
         if not arg:
             cache_key += '-0'