diff options
Diffstat (limited to 'yaksh/views.py')
| -rw-r--r-- | yaksh/views.py | 93 |
1 files changed, 37 insertions, 56 deletions
diff --git a/yaksh/views.py b/yaksh/views.py index 959d323..4c5b9b8 100644 --- a/yaksh/views.py +++ b/yaksh/views.py @@ -1,8 +1,6 @@ import random import string import os -import stat -from os.path import dirname, pardir, abspath, join, exists from datetime import datetime import collections import csv @@ -23,7 +21,6 @@ from taggit.models import Tag from itertools import chain import json import zipfile - # Local imports. from yaksh.models import get_model_class, Quiz, Question, QuestionPaper, QuestionSet, Course from yaksh.models import Profile, Answer, AnswerPaper, User, TestCase, FileUpload,\ @@ -32,13 +29,10 @@ from yaksh.forms import UserRegisterForm, UserLoginForm, QuizForm,\ QuestionForm, RandomQuestionForm,\ QuestionFilterForm, CourseForm, ProfileForm, UploadFileForm,\ get_object_form, FileForm -from yaksh.xmlrpc_clients import code_server from settings import URL_ROOT from yaksh.models import AssignmentUpload from file_utils import extract_files -# The directory where user data can be saved. -OUTPUT_DIR = abspath(join(dirname(__file__), 'output')) def my_redirect(url): @@ -57,19 +51,6 @@ def my_render_to_response(template, context=None, **kwargs): return render_to_response(template, context, **kwargs) -def get_user_dir(user): - """Return the output directory for the user.""" - - user_dir = join(OUTPUT_DIR, str(user.username)) - if not exists(user_dir): - os.mkdir(user_dir) - # Make it rwx by others. - os.chmod(user_dir, stat.S_IROTH | stat.S_IWOTH | stat.S_IXOTH - | stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR - | stat.S_IRGRP | stat.S_IWGRP | stat.S_IXGRP) - return user_dir - - def is_moderator(user): """Check if the user is having moderator rights""" if user.groups.filter(name='moderator').exists(): @@ -434,7 +415,7 @@ def start(request, questionpaper_id=None, attempt_num=None): raise Http404(msg) new_paper = quest_paper.make_answerpaper(user, ip, attempt_num) # Make user directory. - user_dir = get_user_dir(user) + user_dir = new_paper.user.profile.get_user_dir() return show_question(request, new_paper.current_question(), new_paper) @@ -535,7 +516,7 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None): # safely in a separate process (the code_server.py) running as nobody. json_data = question.consolidate_answer_data(user_answer) \ if question.type == 'code' else None - correct, result = validate_answer(user, user_answer, question, json_data) + correct, result = paper.validate_answer(user_answer, question, json_data) if correct: new_answer.correct = correct new_answer.marks = question.points @@ -556,40 +537,6 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None): return show_question(request, question, paper) -def validate_answer(user, user_answer, question, json_data=None): - """ - Checks whether the answer submitted by the user is right or wrong. - If right then returns correct = True, success and - message = Correct answer. - success is True for MCQ's and multiple correct choices because - only one attempt are allowed for them. - For code questions success is True only if the answer is correct. - """ - - result = {'success': True, 'error': 'Incorrect answer'} - correct = False - - if user_answer is not None: - if question.type == 'mcq': - expected_answer = question.get_test_case(correct=True).options - if user_answer.strip() == expected_answer.strip(): - correct = True - result['error'] = 'Correct answer' - elif question.type == 'mcc': - expected_answers = [] - for opt in question.get_test_cases(correct=True): - expected_answers.append(opt.options) - if set(user_answer) == set(expected_answers): - result['error'] = 'Correct answer' - correct = True - elif question.type == 'code': - user_dir = get_user_dir(user) - json_result = code_server.run_code(question.language, question.test_case_type, json_data, user_dir) - result = json.loads(json_result) - if result.get('success'): - correct = True - return correct, result - def quit(request, reason=None, attempt_num=None, questionpaper_id=None): """Show the quit page when the user logs out.""" @@ -1237,7 +1184,6 @@ def add_teacher(request, course_id): context_instance=ci) - @login_required def remove_teachers(request, course_id): """ remove user from a course """ @@ -1311,3 +1257,38 @@ def create_demo_course(request): msg = "Demo course already created" context = {'msg': msg} return my_render_to_response('manage.html', context, context_instance=ci) + + +@login_required +def grader(request, extra_context=None): + user = request.user + if not is_moderator(user): + raise Http404('You are not allowed to view this page!') + courses = Course.objects.filter(is_trial=False) + user_courses = list(courses.filter(creator=user)) + list(courses.filter(teachers=user)) + context = {'courses': user_courses} + if extra_context: + context.update(extra_context) + return my_render_to_response('yaksh/regrade.html', context) + + +@login_required +def regrade(request, course_id, question_id=None, answerpaper_id=None, questionpaper_id=None): + user = request.user + course = get_object_or_404(Course, pk=course_id) + if not is_moderator(user) or (user != course.creator and user not in course.teachers.all()): + raise Http404('You are not allowed to view this page!') + details = [] + if answerpaper_id is not None and question_id is None: + answerpaper = get_object_or_404(AnswerPaper, pk=answerpaper_id) + for question in answerpaper.questions.all(): + details.append(answerpaper.regrade(question.id)) + if questionpaper_id is not None and question_id is not None: + answerpapers = AnswerPaper.objects.filter(questions=question_id, + question_paper_id=questionpaper_id) + for answerpaper in answerpapers: + details.append(answerpaper.regrade(question_id)) + if answerpaper_id is not None and question_id is not None: + answerpaper = get_object_or_404(AnswerPaper, pk=answerpaper_id) + details.append(answerpaper.regrade(question_id)) + return grader(request, extra_context={'details': details}) |