diff options
Diffstat (limited to 'testapp/yaksh_app/management/commands')
6 files changed, 330 insertions, 0 deletions
diff --git a/testapp/yaksh_app/management/commands/__init__.py b/testapp/yaksh_app/management/commands/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/testapp/yaksh_app/management/commands/__init__.py diff --git a/testapp/yaksh_app/management/commands/add_group.py b/testapp/yaksh_app/management/commands/add_group.py new file mode 100644 index 0000000..db0ebb6 --- /dev/null +++ b/testapp/yaksh_app/management/commands/add_group.py @@ -0,0 +1,33 @@ +''' + This command adds moderator group with permissions to add, change and delete + the objects in the exam app. + We can modify this command to add more groups by providing arguments. + Arguments like group-name, app-name can be passed. +''' + +# django imports +from django.core.management.base import BaseCommand, CommandError +from django.contrib.auth.models import Group, Permission +from django.contrib.contenttypes.models import ContentType +from django.db.utils import IntegrityError + +class Command(BaseCommand): + help = 'Adds the moderator group' + + def handle(self, *args, **options): + app = 'yaksh_app' + group = Group(name='moderator') + try: + group.save() + except IntegrityError: + raise CommandError("The group already exits") + else: + # Get the models for the given app + content_types = ContentType.objects.filter(app_label=app) + # Get list of permissions for the models + permission_list = Permission.objects.filter(content_type=content_types) + for permission in permission_list: + group.permissions.add(permission) + group.save() + + self.stdout.write('Moderator group added successfully') diff --git a/testapp/yaksh_app/management/commands/dump_user_data.py b/testapp/yaksh_app/management/commands/dump_user_data.py new file mode 100644 index 0000000..2c1a108 --- /dev/null +++ b/testapp/yaksh_app/management/commands/dump_user_data.py @@ -0,0 +1,98 @@ +import sys + +# Django imports. +from django.core.management.base import BaseCommand +from django.template import Template, Context + +# Local imports. +from testapp.yaksh_app.views import get_user_data +from testapp.yaksh_app.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) + diff --git a/testapp/yaksh_app/management/commands/load_exam.py b/testapp/yaksh_app/management/commands/load_exam.py new file mode 100644 index 0000000..9163fdc --- /dev/null +++ b/testapp/yaksh_app/management/commands/load_exam.py @@ -0,0 +1,57 @@ +# System library imports. +from os.path import basename + +# Django imports. +from django.core.management.base import BaseCommand + +# Local imports. +from testapp.yaksh_app.models import Question, Quiz + +def clear_exam(): + """Deactivate all questions from the database.""" + for question in Question.objects.all(): + question.active = False + question.save() + + # Deactivate old quizzes. + for quiz in Quiz.objects.all(): + quiz.active = False + quiz.save() + +def load_exam(filename): + """Load questions and quiz from the given Python file. The Python file + should declare a list of name "questions" which define all the questions + in pure Python. It can optionally load a Quiz from an optional 'quiz' + object. + """ + # Simply exec the given file and we are done. + exec(open(filename).read()) + + if 'questions' not in locals(): + msg = 'No variable named "questions" with the Questions in file.' + raise NameError(msg) + + for question in questions: + question[0].save() + for tag in question[1]: + question[0].tags.add(tag) + + if 'quiz' in locals(): + quiz.save() + +class Command(BaseCommand): + args = '<q_file1.py q_file2.py>' + help = '''loads the questions from given Python files which declare the + questions in a list called "questions".''' + + def handle(self, *args, **options): + """Handle the command.""" + # Delete existing stuff. + clear_exam() + + # Load from files. + for fname in args: + self.stdout.write('Importing from {0} ... '.format(basename(fname))) + load_exam(fname) + self.stdout.write('Done\n') + diff --git a/testapp/yaksh_app/management/commands/load_questions_xml.py b/testapp/yaksh_app/management/commands/load_questions_xml.py new file mode 100644 index 0000000..7bde9e9 --- /dev/null +++ b/testapp/yaksh_app/management/commands/load_questions_xml.py @@ -0,0 +1,73 @@ +# System library imports. +from os.path import basename +from xml.dom.minidom import parse +from htmlentitydefs import name2codepoint +import re + +# Django imports. +from django.core.management.base import BaseCommand + +# Local imports. +from testapp.yaksh_app.models import Question + +def decode_html(html_str): + """Un-escape or decode HTML strings to more usable Python strings. + From here: http://wiki.python.org/moin/EscapingHtml + """ + return re.sub('&(%s);' % '|'.join(name2codepoint), + lambda m: unichr(name2codepoint[m.group(1)]), html_str) + +def clear_questions(): + """Deactivate all questions from the database.""" + for question in Question.objects.all(): + question.active = False + question.save() + +def load_questions_xml(filename): + """Load questions from the given XML file.""" + q_bank = parse(filename).getElementsByTagName("question") + + for question in q_bank: + + summary_node = question.getElementsByTagName("summary")[0] + summary = (summary_node.childNodes[0].data).strip() + + desc_node = question.getElementsByTagName("description")[0] + description = (desc_node.childNodes[0].data).strip() + + type_node = question.getElementsByTagName("type")[0] + type = (type_node.childNodes[0].data).strip() + + points_node = question.getElementsByTagName("points")[0] + points = float((points_node.childNodes[0].data).strip()) \ + if points_node else 1.0 + + test_node = question.getElementsByTagName("test")[0] + test = decode_html((test_node.childNodes[0].data).strip()) + + opt_node = question.getElementsByTagName("options")[0] + opt = decode_html((opt_node.childNodes[0].data).strip()) + + new_question = Question(summary=summary, + description=description, + points=points, + options=opt, + type=type, + test=test) + new_question.save() + +class Command(BaseCommand): + args = '<q_file1.xml q_file2.xml>' + help = 'loads the questions from given XML files' + + def handle(self, *args, **options): + """Handle the command.""" + # Delete existing stuff. + clear_questions() + + # Load from files. + for fname in args: + self.stdout.write('Importing from {0} ... '.format(basename(fname))) + load_questions_xml(fname) + self.stdout.write('Done\n') + diff --git a/testapp/yaksh_app/management/commands/results2csv.py b/testapp/yaksh_app/management/commands/results2csv.py new file mode 100644 index 0000000..c9b05ce --- /dev/null +++ b/testapp/yaksh_app/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 testapp.yaksh_app.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) |