--- a/quiz/utils.py	Wed Apr 21 19:52:51 2010 +0530
+++ b/quiz/utils.py	Wed Apr 21 21:53:33 2010 +0530
@@ -1,6 +1,30 @@
 import string
 import random
+import re
 
 def gen_key(no_of_chars):
     allowed_chars = string.digits+string.uppercase
     return ''.join([random.choice(allowed_chars) for i in range(no_of_chars)])
+
+def correct_quiz(quiz):
+    """ read each submitted answer and update the is_correct variable.
+    """
+
+    for answer in quiz.que_answered.all():
+
+        expected_ans = answer.question.expected_ans
+
+        ans_regex_patterns = [ r"\s*".join(ans_pattern.split()) for ans_pattern in expected_ans.split("\n") ]
+        for pattern in ans_regex_patterns:
+            if re.findall(pattern, answer.submitted_ans):
+                answer.is_correct = True
+                answer.save()
+                break
+
+"""
+we send quiz objects filtered by event and quiz num one by and update answer objects in all corresponding answers
+later while retreving, we filter on user also ( for displaying in the table)
+the table is by default in sorted fashion and also has the links.
+seperate table for each quiz.
+"""
+