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import sys
# Django imports.
from django.core.management.base import BaseCommand
from django.template import Template, Context
# Local imports.
from exam.views import get_user_data
from exam.models import User
data_template = Template('''\
===============================================================================
Data for {{ data.user.get_full_name.title }} ({{ data.user.username }})
Name: {{ data.user.get_full_name.title }}
Username: {{ data.user.username }}
{% if data.profile %}\
Roll number: {{ data.profile.roll_number }}
Position: {{ data.profile.position }}
Department: {{ data.profile.department }}
Institute: {{ data.profile.institute }}
{% endif %}\
Email: {{ data.user.email }}
Date joined: {{ data.user.date_joined }}
Last login: {{ data.user.last_login }}
{% for paper in data.papers %}
Paper: {{ paper.quiz.description }}
---------------------------------------
Marks obtained: {{ paper.get_total_marks }}
Questions correctly answered: {{ paper.get_answered_str }}
Total attempts at questions: {{ paper.answers.count }}
Start time: {{ paper.start_time }}
User IP address: {{ paper.user_ip }}
{% if paper.answers.count %}
Answers
-------
{% for question, answers in paper.get_question_answers.items %}
Question: {{ question.id }}. {{ question.summary }} (Points: {{ question.points }})
{% if question.type == "mcq" %}\
###############################################################################
Choices: {% for option in question.options.strip.splitlines %} {{option}}, {% endfor %}
Student answer: {{ answers.0|safe }}
{% else %}{# non-mcq questions #}\
{% for answer in answers %}\
###############################################################################
{{ answer.answer.strip|safe }}
# Autocheck: {{ answer.error|safe }}
{% endfor %}{# for answer in answers #}\
{% endif %}\
{% with answers|last as answer %}\
Marks: {{answer.marks}}
{% endwith %}\
{% endfor %}{# for question, answers ... #}\
Teacher comments
-----------------
{{ paper.comments|default:"None" }}
{% endif %}{# if paper.answers.count #}\
{% endfor %}{# for paper in data.papers #}
''')
def dump_user_data(unames, stdout):
'''Dump user data given usernames (a sequence) if none is given dump all
their data. The data is dumped to stdout.
'''
if not unames:
try:
users = User.objects.all()
except User.DoesNotExist:
pass
else:
users = []
for uname in unames:
try:
user = User.objects.get(username__exact = uname)
except User.DoesNotExist:
stdout.write('User %s does not exist'%uname)
else:
users.append(user)
for user in users:
data = get_user_data(user.username)
context = Context({'data': data})
result = data_template.render(context)
stdout.write(result.encode('ascii', 'xmlcharrefreplace'))
class Command(BaseCommand):
args = '<username1> ... <usernamen>'
help = '''Dumps all user data to stdout, optional usernames can be
specified. If none is specified all user data is dumped.
'''
def handle(self, *args, **options):
"""Handle the command."""
# Dump data.
dump_user_data(args, self.stdout)
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