1 files changed, 55 insertions, 0 deletions
diff --git a/exam/management/commands/results2csv.py b/exam/management/commands/results2csv.py
new file mode 100644
index 0000000..8d154e4
--- /dev/null
+++ b/exam/management/commands/results2csv.py
@@ -0,0 +1,55 @@
+# System library imports.
+import sys
+from os.path import basename
+
+# Django imports.
+from django.core.management.base import BaseCommand
+
+# Local imports.
+from exam.views import get_quiz_data
+from exam.models import Quiz
+
+def results2csv(filename, stdout):
+    """Write exam data to a CSV file.  It prompts the user to choose the
+    appropriate quiz.
+    """
+    qs = Quiz.objects.all()
+
+    if len(qs) > 1:
+        print "Select quiz to save:"
+        for q in qs:
+            stdout.write('%d. %s\n'%(q.id, q.description))
+        quiz_id = int(raw_input("Please select quiz: "))
+        try:
+            quiz = Quiz.objects.get(id=quiz_id)
+        except Quiz.DoesNotExist:
+            stdout.write("Sorry, quiz %d does not exist!\n"%quiz_id)
+            sys.exit(1)
+    else:
+        quiz = qs[0]
+
+    paper_list = get_quiz_data(quiz.id)
+    stdout.write("Saving results of %s to %s ... "%(quiz.description,
+                                                    basename(filename)))
+    f = open(filename, 'w')
+    fields = ['name', 'username', 'rollno', 'email', 'answered', 'total',
+              'attempts']
+    SEP = ','
+    f.write(SEP.join(['"%s"'%x for x in fields]) + '\n')
+    for paper in paper_list:
+        # name, username, rollno, email, answered
+        f.write(SEP.join(['"%s"'%(paper[x]) for x in fields[:5]]) + SEP) 
+        # total, attempts
+        f.write(SEP.join(['%d'%(paper[x]) for x in fields[5:]]) + '\n')
+    stdout.write('Done\n')
+    
+class Command(BaseCommand):
+    args = '<results.csv>'
+    help = '''Writes out the results of a quiz to a CSV file.  Prompt user
+              to select appropriate quiz if there are multiple.
+           '''
+    
+    def handle(self, *args, **options):
+        """Handle the command."""
+        # Save to file.
+        results2csv(args[0], self.stdout)