Merge pull request #56 from ankitjavalkar/examtime

Start and Expiry times for Quizzes

1 files changed, 69 insertions, 0 deletions

diff --git a/yaksh/management/commands/results2csv.py b/yaksh/management/commands/results2csv.py
new file mode 100644
index 0000000..2644354
--- /dev/null
+++ b/yaksh/management/commands/results2csv.py
@@ -0,0 +1,69 @@
+# System library imports.
+import sys
+from os.path import basename
+
+# Django imports.
+from django.core.management.base import BaseCommand
+from django.template import Template, Context
+
+# Local imports.
+from yaksh.models import Quiz, QuestionPaper
+
+result_template = Template('''\
+"name","username","rollno","email","answered","total","attempts","position",\
+"department","institute"
+{% for paper in papers %}\
+"{{ paper.user.get_full_name.title }}",\
+"{{ paper.user.username }}",\
+"{{ paper.profile.roll_number }}",\
+"{{ paper.user.email }}",\
+"{{ paper.get_answered_str }}",\
+{{ paper.get_total_marks }},\
+{{ paper.answers.count }},\
+"{{ paper.profile.position }}",\
+"{{ paper.profile.department }}",\
+"{{ paper.profile.institute }}"
+{% endfor %}\
+''')
+
+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]
+
+    papers = QuestionPaper.objects.filter(quiz=quiz,
+                                          user__profile__isnull=False)
+    stdout.write("Saving results of %s to %s ... "%(quiz.description,
+                                                    basename(filename)))
+    # Render the data and write it out.
+    f = open(filename, 'w')
+    context = Context({'papers': papers})
+    f.write(result_template.render(context))
+    f.close()
+
+    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)