Added JSON validator to Attributes.

[philo.git] / validators.py

diff --git a/validators.py b/validators.py
index 637dba8..e4c32d0 100644 (file)
--- a/validators.py
+++ b/validators.py
@@ -1,5 +1,7 @@
 from django.utils.translation import ugettext_lazy as _
 from django.core.validators import RegexValidator
+from django.core.exceptions import ValidationError
+from django.utils import simplejson as json
 import re
 
 
@@ -28,3 +30,10 @@ class URLLinkValidator(RegexValidator):
                r'|)' # also allow internal links
                r'(?:/?|[/?#]?\S+)$', re.IGNORECASE)
        message = _(u'Enter a valid absolute or relative redirect target')
+
+
+def json_validator(value):
+       try:
+               json.loads(value)
+       except:
+               raise ValidationError(u'\'%s\' is not valid JSON' % value)
\ No newline at end of file