X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/6a259b96cff47e1fd64cbfd6f3d1e1d8e8b6486c..818b7ba3c373f6a10c70224d8650cdcbbd3bcd75:/apps/catalogue/helpers.py

diff --git a/apps/catalogue/helpers.py b/apps/catalogue/helpers.py
index 7bc24819..df64ade1 100644
--- a/apps/catalogue/helpers.py
+++ b/apps/catalogue/helpers.py
@@ -1,3 +1,4 @@
+from datetime import date
 from functools import wraps
 
 from django.db.models import Count
@@ -28,3 +29,10 @@ def cached_in_field(field_name):
             return value
         return wrapped
     return decorator
+
+
+def parse_isodate(isodate):
+    try:
+        return date(*[int(p) for p in isodate.split('-')])
+    except (AttributeError, TypeError, ValueError):
+        raise ValueError("Not a date in ISO format.")