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edx-platform
Commit ce0fda75 by Bill DeRusha
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Revert "Update change_enrollment management command to be more robust and tested" 

This reverts commit ecae21e6.
parent e47e65d0
Showing with 28 additions and 202 deletions
common/djangoapps/student/management/commands/change_enrollment.py
""" Command line script to change user enrollments. """
import logging
from django.core.management.base import BaseCommand, CommandError
from django.db import transaction
from opaque_keys import InvalidKeyError
from opaque_keys.edx.keys import CourseKey
from opaque_keys.edx.locations import SlashSeparatedCourseKey
from optparse import make_option
from student.models import CourseEnrollment, User
logger = logging.getLogger(__name__) # pylint: disable=invalid-name
class RollbackException(Exception):
"""
Exception raised explicitly to cause a database transaction rollback.
"""
pass
from opaque_keys.edx.keys import CourseKey
from opaque_keys.edx.locations import SlashSeparatedCourseKey
class Command(BaseCommand):
......@@ -29,17 +15,17 @@ class Command(BaseCommand):
Example:
Change enrollment for users joe, frank, and bill from audit to honor:
Change enrollment for user joe from audit to honor:
$ ... change_enrollment -u joe,frank,bill -c some/course/id --from audit --to honor
Or
$ ... change_enrollment -e "joe@example.com,frank@example.com,bill@example.com" -c some/course/id --from audit --to honor
$ ... change_enrollment -u "joe@example.com,frank@example.com,bill@example.com" -c some/course/id --from audit --to honor
See what would have been changed from audit to honor without making that change
Change enrollment for all users in some/course/id from audit to honor
$ ... change_enrollment -u joe,frank,bill -c some/course/id --from audit --to honor -n
$ ... change_enrollment -c some/course/id --from audit --to honor
"""
......@@ -54,16 +40,11 @@ class Command(BaseCommand):
dest='to_mode',
default=False,
help='move to this enrollment mode'),
make_option('-u', '--usernames',
metavar='USERNAME',
dest='username',
default=False,
help="Comma-separated list of usernames to move in the course"),
make_option('-e', '--emails',
metavar='EMAIL',
dest='email',
make_option('-u', '--user',
metavar='USER',
dest='user',
default=False,
help="Comma-separated list of email addresses to move in the course"),
help="Comma-separated list of users to move in the course"),
make_option('-c', '--course',
metavar='COURSE_ID',
dest='course_id',
......@@ -78,11 +59,8 @@ class Command(BaseCommand):
)
def handle(self, *args, **options):
error_users = []
success_users = []
if not options['course_id']:
raise CommandError('You must specify a course id for this command')
raise CommandError("You must specify a course id for this command")
if not options['from_mode'] or not options['to_mode']:
raise CommandError('You must specify a "to" and "from" mode as parameters')
......@@ -91,55 +69,26 @@ class Command(BaseCommand):
except InvalidKeyError:
course_key = SlashSeparatedCourseKey.from_deprecated_string(options['course_id'])
enrollment_args = dict(
filter_args = dict(
course_id=course_key,
mode=options['from_mode']
)
if options['username']:
self.update_enrollments('username', enrollment_args, options, error_users, success_users)
if options['email']:
self.update_enrollments('email', enrollment_args, options, error_users, success_users)
self.report(error_users, success_users)
def update_enrollments(self, identifier, enrollment_args, options, error_users, success_users):
""" Update enrollments for a specific user identifier (email or username). """
users = options[identifier].split(",")
for identified_user in users:
logger.info(identified_user)
try:
user_args = {
identifier: identified_user
}
enrollment_args['user'] = User.objects.get(**user_args)
enrollments = CourseEnrollment.objects.filter(**enrollment_args)
with transaction.atomic():
if options['user']:
user_str = options['user']
for username in user_str.split(","):
if '@' in username:
user = User.objects.get(email=username)
else:
user = User.objects.get(username=username)
filter_args['user'] = user
enrollments = CourseEnrollment.objects.filter(**filter_args)
if options['noop']:
print "Would have changed {num_enrollments} students from {from_mode} to {to_mode}".format(
num_enrollments=enrollments.count(),
from_mode=options['from_mode'],
to_mode=options['to_mode']
)
else:
for enrollment in enrollments:
enrollment.update_enrollment(mode=options['to_mode'])
enrollment.save()
if options['noop']:
raise RollbackException('Forced rollback.')
except RollbackException:
success_users.append(identified_user)
continue
except Exception as exception: # pylint: disable=broad-except
error_users.append((identified_user, exception))
continue
success_users.append(identified_user)
logger.info('Updated user [%s] to mode [%s]', identified_user, options['to_mode'])
def report(self, error_users, success_users):
""" Log and overview of the results of the command. """
total_users = len(success_users) + len(error_users)
logger.info('Successfully updated %i out of %i users', len(success_users), total_users)
if len(error_users) > 0:
logger.info('The following %i user(s) not saved:', len(error_users))
for user, error in error_users:
logger.info('user: [%s] reason: [%s] %s', user, type(error).__name__, error.message)
common/djangoapps/student/management/tests/test_change_enrollment.py deleted 100644 → 0
""" Test the change_enrollment command line script."""
import ddt
from mock import patch
from django.core.management import call_command
from xmodule.modulestore.tests.factories import CourseFactory
from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
from student.tests.factories import UserFactory, CourseModeFactory
from student.models import CourseEnrollment
@ddt.ddt
class ChangeEnrollmentTests(SharedModuleStoreTestCase):
""" Test the enrollment change functionality of the change_enrollment script."""
def setUp(self):
super(ChangeEnrollmentTests, self).setUp()
self.course = CourseFactory.create()
self.audit_mode = CourseModeFactory.create(
course_id=self.course.id,
mode_slug='audit',
mode_display_name='Audit',
)
self.honor_mode = CourseModeFactory.create(
course_id=self.course.id,
mode_slug='honor',
mode_display_name='Honor',
)
self.user_info = [
('amy', 'amy@pond.com', 'password'),
('rory', 'rory@theroman.com', 'password'),
('river', 'river@song.com', 'password')
]
self.enrollments = []
self.users = []
for username, email, password in self.user_info:
user = UserFactory.create(username=username, email=email, password=password)
self.users.append(user)
self.enrollments.append(CourseEnrollment.enroll(user, self.course.id, mode='audit'))
@patch('student.management.commands.change_enrollment.logger')
@ddt.data(
('email', False, 3),
('username', False, 3),
('email', True, 0),
('username', True, 0),
)
@ddt.unpack
def test_convert_users(self, method, noop, expected_conversions, mock_logger):
""" The command should update the user's enrollment. """
user_str = ','.join([getattr(user, method) for user in self.users])
user_ids = [u.id for u in self.users]
command_args = {
'course_id': unicode(self.course.id),
'to_mode': 'honor',
'from_mode': 'audit',
'noop': noop,
method: user_str,
}
# Verify users are not in honor mode yet
self.assertEqual(
len(CourseEnrollment.objects.filter(mode='honor', user_id__in=user_ids)),
0
)
call_command(
'change_enrollment',
**command_args
)
# Verify correct number of users are now in honor mode
self.assertEqual(
len(CourseEnrollment.objects.filter(mode='honor', user_id__in=user_ids)),
expected_conversions
)
mock_logger.info.assert_called_with(
'Successfully updated %i out of %i users',
len(self.users),
len(self.users)
)
@patch('student.management.commands.change_enrollment.logger')
@ddt.data(
('email', 'dtennant@thedoctor.com', 3),
('username', 'dtennant', 3),
)
@ddt.unpack
def test_user_not_found(self, method, fake_user, expected_success, mock_logger):
all_users = [getattr(user, method) for user in self.users]
all_users.append(fake_user)
user_str = ','.join(all_users)
real_user_ids = [u.id for u in self.users]
command_args = {
'course_id': unicode(self.course.id),
'to_mode': 'honor',
'from_mode': 'audit',
method: user_str,
}
# Verify users are not in honor mode yet
self.assertEqual(
len(CourseEnrollment.objects.filter(mode='honor', user_id__in=real_user_ids)),
0
)
call_command(
'change_enrollment',
**command_args
)
# Verify correct number of users are now in honor mode
self.assertEqual(
len(CourseEnrollment.objects.filter(mode='honor', user_id__in=real_user_ids)),
expected_success
)
mock_logger.info.assert_called_with(
'user: [%s] reason: [%s] %s', fake_user, 'DoesNotExist', 'User matching query does not exist.'
)
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