def _listen_for_passing_grade(sender, user, course_id, **kwargs): # pylint: disable=unused-argument
"""
Listen for a learner passing a course, send cert generation task,
downstream signal from COURSE_GRADE_CHANGED
"""
# No flags enabled
if (
not waffle.waffle().is_enabled(waffle.SELF_PACED_ONLY) and
not waffle.waffle().is_enabled(waffle.INSTRUCTOR_PACED_ONLY)
):
return
# Only SELF_PACED_ONLY flag enabled
if waffle.waffle().is_enabled(waffle.SELF_PACED_ONLY):
if not courses.get_course_by_id(course_key, depth=0).self_paced:
return
# Only INSTRUCTOR_PACED_ONLY flag enabled
elif waffle.waffle().is_enabled(waffle.INSTRUCTOR_PACED_ONLY):
if courses.get_course_by_id(course_key, depth=0).self_paced:
return
if GeneratedCertificate.certificate_for_student(self.user, self.course_id) is None:
generate_certificate.apply_async(
student=user,
course_key=course_id,
)
log.info(u'Certificate generation task initiated for {user} : {course} via passing grade'.format(
user=user.id,
course=course_id
))
def handle(self, *args, **options):
print "options = ", options
try:
course_ids = options['course_id_or_dir']
except KeyError:
print self.help
return
course_key = None
# parse out the course id into a coursekey
for course_id in course_ids:
try:
course_key = CourseKey.from_string(course_id)
# if it's not a new-style course key, parse it from an old-style
# course key
except InvalidKeyError:
course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
try:
get_course_by_id(course_key)
except Http404 as err:
print "-----------------------------------------------------------------------------"
print "Sorry, cannot find course with id {}".format(course_id)
print "Got exception {}".format(err)
print "Please provide a course ID or course data directory name, eg content-mit-801rq"
return
print "-----------------------------------------------------------------------------"
print "Computing grades for {}".format(course_id)
offline_grade_calculation(course_key)
def _listen_for_certificate_whitelist_append(sender, instance, **kwargs): # pylint: disable=unused-argument
switches = waffle.waffle()
# All flags enabled
if (
not switches.is_enabled(waffle.SELF_PACED_ONLY) and
not switches.is_enabled(waffle.INSTRUCTOR_PACED_ONLY)
):
return
# Only SELF_PACED_ONLY flag enabled
if not switches.is_enabled(waffle.INSTRUCTOR_PACED_ONLY):
if not courses.get_course_by_id(instance.course_id, depth=0).self_paced:
return
# Only INSTRUCTOR_PACED_ONLY flag enabled
if not switches.is_enabled(waffle.SELF_PACED_ONLY):
if courses.get_course_by_id(instance.course_id, depth=0).self_paced:
return
generate_certificate.apply_async(
student=instance.user,
course_key=instance.course_id,
)
log.info(u'Certificate generation task initiated for {user} : {course} via whitelist'.format(
user=instance.user.id,
course=instance.course_id
))
def register_code_redemption(request, registration_code):
"""
This view allows the student to redeem the registration code
and enroll in the course.
"""
# Add some rate limiting here by re-using the RateLimitMixin as a helper class
site_name = microsite.get_value('SITE_NAME', settings.SITE_NAME)
limiter = BadRequestRateLimiter()
if limiter.is_rate_limit_exceeded(request):
AUDIT_LOG.warning("Rate limit exceeded in registration code redemption.")
return HttpResponseForbidden()
template_to_render = 'shoppingcart/registration_code_receipt.html'
if request.method == "GET":
reg_code_is_valid, reg_code_already_redeemed, course_registration = get_reg_code_validity(registration_code,
request, limiter)
course = get_course_by_id(getattr(course_registration, 'course_id'), depth=0)
context = {
'reg_code_already_redeemed': reg_code_already_redeemed,
'reg_code_is_valid': reg_code_is_valid,
'reg_code': registration_code,
'site_name': site_name,
'course': course,
'registered_for_course': registered_for_course(course, request.user)
}
return render_to_response(template_to_render, context)
elif request.method == "POST":
reg_code_is_valid, reg_code_already_redeemed, course_registration = get_reg_code_validity(registration_code,
request, limiter)
course = get_course_by_id(getattr(course_registration, 'course_id'), depth=0)
if reg_code_is_valid and not reg_code_already_redeemed:
#now redeem the reg code.
RegistrationCodeRedemption.create_invoice_generated_registration_redemption(course_registration, request.user)
CourseEnrollment.enroll(request.user, course.id)
context = {
'redemption_success': True,
'reg_code': registration_code,
'site_name': site_name,
'course': course,
}
else:
context = {
'reg_code_is_valid': reg_code_is_valid,
'reg_code_already_redeemed': reg_code_already_redeemed,
'redemption_success': False,
'reg_code': registration_code,
'site_name': site_name,
'course': course,
}
return render_to_response(template_to_render, context)
def show_unit_extensions(request, course_id):
"""
Shows all of the students which have due date extensions for the given unit.
"""
course = get_course_by_id(SlashSeparatedCourseKey.from_deprecated_string(course_id))
unit = find_unit(course, request.GET.get('url'))
return JsonResponse(dump_module_extensions(course, unit))
def test_post_list(self):
"""
Test the creation of a CCX
"""
outbox = self.get_outbox()
data = {
'master_course_id': self.master_course_key_str,
'max_students_allowed': 111,
'display_name': 'CCX Test Title',
'coach_email': self.coach.email
}
resp = self.client.post(self.list_url, data, format='json', HTTP_AUTHORIZATION=self.auth)
self.assertEqual(resp.status_code, status.HTTP_201_CREATED)
# check if the response has at least the same data of the request
for key, val in data.iteritems():
self.assertEqual(resp.data.get(key), val) # pylint: disable=no-member
self.assertIn('ccx_course_id', resp.data) # pylint: disable=no-member
# check that the new CCX actually exists
course_key = CourseKey.from_string(resp.data.get('ccx_course_id')) # pylint: disable=no-member
ccx_course = CustomCourseForEdX.objects.get(pk=course_key.ccx)
self.assertEqual(
unicode(CCXLocator.from_course_locator(ccx_course.course.id, ccx_course.id)),
resp.data.get('ccx_course_id') # pylint: disable=no-member
)
# check that the coach user has coach role on the master course
coach_role_on_master_course = CourseCcxCoachRole(self.master_course_key)
self.assertTrue(coach_role_on_master_course.has_user(self.coach))
# check that the coach has been enrolled in the ccx
ccx_course_object = courses.get_course_by_id(course_key)
self.assertTrue(
CourseEnrollment.objects.filter(course_id=ccx_course_object.id, user=self.coach).exists()
)
# check that an email has been sent to the coach
self.assertEqual(len(outbox), 1)
self.assertIn(self.coach.email, outbox[0].recipients()) # pylint: disable=no-member
def handle(self, *args, **options):
print "args = ", args
if len(args) > 0:
course_id = args[0]
else:
print self.help
return
try:
course = get_course_by_id(course_id)
except Exception as err:
if course_id in modulestore().courses:
course = modulestore().courses[course_id]
else:
print "-----------------------------------------------------------------------------"
print "Sorry, cannot find course %s" % course_id
print "Please provide a course ID or course data directory name, eg content-mit-801rq"
return
print "-----------------------------------------------------------------------------"
print "Computing grades for %s" % (course.id)
offline_grade_calculation(course.id)
def instructor_dashboard_2(request, course_id):
""" Display the instructor dashboard for a course. """
course = get_course_by_id(course_id, depth=None)
access = {
"admin": request.user.is_staff,
"instructor": has_access(request.user, course, "instructor"),
"staff": has_access(request.user, course, "staff"),
"forum_admin": has_forum_access(request.user, course_id, FORUM_ROLE_ADMINISTRATOR),
}
if not access["staff"]:
raise Http404()
sections = [
_section_course_info(course_id),
_section_membership(course_id, access),
_section_student_admin(course_id, access),
_section_data_download(course_id),
_section_analytics(course_id),
]
context = {
"course": course,
"old_dashboard_url": reverse("instructor_dashboard", kwargs={"course_id": course_id}),
"sections": sections,
}
return render_to_response("instructor/instructor_dashboard_2/instructor_dashboard_2.html", context)
def test_patch_detail(self):
"""
Test for successful patch
"""
outbox = self.get_outbox()
# create a new coach
new_coach = AdminFactory.create()
data = {
'max_students_allowed': 111,
'display_name': 'CCX Title',
'coach_email': new_coach.email
}
resp = self.client.patch(self.detail_url, data, format='json', HTTP_AUTHORIZATION=self.auth)
self.assertEqual(resp.status_code, status.HTTP_204_NO_CONTENT)
ccx_from_db = CustomCourseForEdX.objects.get(id=self.ccx.id)
self.assertEqual(ccx_from_db.max_student_enrollments_allowed, data['max_students_allowed'])
self.assertEqual(ccx_from_db.display_name, data['display_name'])
self.assertEqual(ccx_from_db.coach.email, data['coach_email'])
# check that the coach user has coach role on the master course
coach_role_on_master_course = CourseCcxCoachRole(self.master_course_key)
self.assertTrue(coach_role_on_master_course.has_user(new_coach))
# check that the coach has been enrolled in the ccx
ccx_course_object = courses.get_course_by_id(self.ccx_key)
self.assertTrue(
CourseEnrollment.objects.filter(course_id=ccx_course_object.id, user=new_coach).exists()
)
# check that an email has been sent to the coach
self.assertEqual(len(outbox), 1)
self.assertIn(new_coach.email, outbox[0].recipients()) # pylint: disable=no-member
def report(self):
"""Report course grade."""
students = self._get_students()
print "\nFetching course data for {0}".format(self.course_id)
course = courses.get_course_by_id(self.course_id)
request = self._create_request()
total = {'users': 0, 'pass': 0, 'notpass': 0}
print "Summary Report: Course Name [{0}]".format(
course.display_name.encode('utf_8'))
for student in students.iterator():
request.user = student
total['users'] += 1
certs = GeneratedCertificate.objects.filter(
user=student, course_id=self.course_id)
for cert in certs.iterator():
grade = grades.grade(cert.user, request, course)
summary = grades.progress_summary(student, request, course)
self._report_summary(summary)
self._add_total(cert.user, grade, total)
self._report_total(total)
def _section_course_info(course_id, access):
""" Provide data for the corresponding dashboard section """
course = get_course_by_id(course_id, depth=None)
course_id_dict = Location.parse_course_id(course_id)
section_data = {
'section_key': 'course_info',
'section_display_name': _('Course Info'),
'access': access,
'course_id': course_id,
'course_org': course_id_dict['org'],
'course_num': course_id_dict['course'],
'course_name': course_id_dict['name'],
'course_display_name': course.display_name,
'enrollment_count': CourseEnrollment.num_enrolled_in(course_id),
'has_started': course.has_started(),
'has_ended': course.has_ended(),
'list_instructor_tasks_url': reverse('list_instructor_tasks', kwargs={'course_id': course_id}),
}
try:
advance = lambda memo, (letter, score): "{}: {}, ".format(letter, score) + memo
section_data['grade_cutoffs'] = reduce(advance, course.grade_cutoffs.items(), "")[:-2]
except Exception:
section_data['grade_cutoffs'] = "Not Available"
# section_data['offline_grades'] = offline_grades_available(course_id)
try:
section_data['course_errors'] = [(escape(a), '') for (a, _unused) in modulestore().get_item_errors(course.location)]
except Exception:
section_data['course_errors'] = [('Error fetching errors', '')]
return section_data
def handle(self, *args, **options):
if not options['course']:
raise CommandError(Command.course_option.help)
try:
course_key = CourseKey.from_string(options['course'])
except InvalidKeyError:
course_key = SlashSeparatedCourseKey.from_deprecated_string(options['course'])
course = get_course_by_id(course_key)
print 'Warning: this command directly edits the list of course tabs in mongo.'
print 'Tabs before any changes:'
print_course(course)
try:
if options['delete']:
if len(args) != 1:
raise CommandError(Command.delete_option.help)
num = int(args[0])
if query_yes_no('Deleting tab {0} Confirm?'.format(num), default='no'):
primitive_delete(course, num - 1) # -1 for 0-based indexing
elif options['insert']:
if len(args) != 3:
raise CommandError(Command.insert_option.help)
num = int(args[0])
tab_type = args[1]
name = args[2]
if query_yes_no('Inserting tab {0} "{1}" "{2}" Confirm?'.format(num, tab_type, name), default='no'):
primitive_insert(course, num - 1, tab_type, name) # -1 as above
except ValueError as e:
# Cute: translate to CommandError so the CLI error prints nicely.
raise CommandError(e)
def is_enabled(cls, request, course_key):
"""
Returns True if this tool is enabled for the specified course key.
"""
course = get_course_by_id(course_key)
has_updates = CourseUpdatesFragmentView.has_updates(request, course)
return UNIFIED_COURSE_TAB_FLAG.is_enabled(course_key) and has_updates
def wrapper(request, course_id):
"""
Wraps the view function, performing access check, loading the course,
and modifying the view's call signature.
"""
course_key = CourseKey.from_string(course_id)
ccx = None
if isinstance(course_key, CCXLocator):
ccx_id = course_key.ccx
ccx = CustomCourseForEdX.objects.get(pk=ccx_id)
course_key = ccx.course_id
role = CourseCcxCoachRole(course_key)
if not role.has_user(request.user):
return HttpResponseForbidden(
_('You must be a CCX Coach to access this view.'))
course = get_course_by_id(course_key, depth=None)
# if there is a ccx, we must validate that it is the ccx for this coach
if ccx is not None:
coach_ccx = get_ccx_for_coach(course, request.user)
if coach_ccx is None or coach_ccx.id != ccx.id:
return HttpResponseForbidden(
_('You must be the coach for this ccx to access this view')
)
return view(request, course, ccx)
def verify_for_closed_enrollment(user, cart=None):
"""
A multi-output helper function.
inputs:
user: a user object
cart: If a cart is provided it uses the same object, otherwise fetches the user's cart.
Returns:
is_any_course_expired: True if any of the items in the cart has it's enrollment period closed. False otherwise.
expired_cart_items: List of courses with enrollment period closed.
expired_cart_item_names: List of names of the courses with enrollment period closed.
valid_cart_item_tuples: List of courses which are still open for enrollment.
"""
if cart is None:
cart = Order.get_cart_for_user(user)
expired_cart_items = []
expired_cart_item_names = []
valid_cart_item_tuples = []
cart_items = cart.orderitem_set.all().select_subclasses()
is_any_course_expired = False
for cart_item in cart_items:
course_key = getattr(cart_item, 'course_id', None)
if course_key is not None:
course = get_course_by_id(course_key, depth=0)
if CourseEnrollment.is_enrollment_closed(user, course):
is_any_course_expired = True
expired_cart_items.append(cart_item)
expired_cart_item_names.append(course.display_name)
else:
valid_cart_item_tuples.append((cart_item, course))
return is_any_course_expired, expired_cart_items, expired_cart_item_names, valid_cart_item_tuples
def add_cohort(course_key, name, assignment_type):
"""
Add a cohort to a course. Raises ValueError if a cohort of the same name already
exists.
"""
log.debug("Adding cohort %s to %s", name, course_key)
if is_cohort_exists(course_key, name):
raise ValueError(_("You cannot create two cohorts with the same name"))
try:
course = courses.get_course_by_id(course_key)
except Http404:
raise ValueError("Invalid course_key")
cohort = CourseCohort.create(
cohort_name=name,
course_id=course.id,
assignment_type=assignment_type
).course_user_group
tracker.emit(
"edx.cohort.creation_requested",
{"cohort_name": cohort.name, "cohort_id": cohort.id}
)
return cohort
def return_fixed_courses(request, courses, action=None):
default_length = 8
course_id = request.GET.get("course_id")
if course_id:
course_id = course_id.replace(".", '/')
try:
index_course = get_course_by_id(course_id)
course_index = (courses.index(index_course) + 1)
except:
course_index = 0
current_list = courses[course_index:]
if len(current_list) > default_length:
current_list = current_list[0:default_length]
course_list = []
for course in current_list:
try:
course_json = mobi_course_info(request, course, action)
course_list.append(course_json)
except:
continue
return JsonResponse({"count": len(courses), "course-list": course_list})
def post(self, request):
"""Handle all actions from courses view"""
if not request.user.is_staff:
raise Http404
action = request.POST.get('action', '')
track.views.server_track(request, action, {},
page='courses_sysdashboard')
courses = {course.id: course for course in self.get_courses()}
if action == 'add_course':
gitloc = request.POST.get('repo_location', '').strip().replace(' ', '').replace(';', '')
branch = request.POST.get('repo_branch', '').strip().replace(' ', '').replace(';', '')
self.msg += self.get_course_from_git(gitloc, branch)
elif action == 'del_course':
course_id = request.POST.get('course_id', '').strip()
course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
course_found = False
if course_key in courses:
course_found = True
course = courses[course_key]
else:
try:
course = get_course_by_id(course_key)
course_found = True
except Exception, err: # pylint: disable=broad-except
self.msg += _(
'Error - cannot get course with ID {0}<br/><pre>{1}</pre>'
).format(
course_key,
escape(str(err))
)
is_xml_course = (modulestore().get_modulestore_type(course_key) == XML_MODULESTORE_TYPE)
if course_found and is_xml_course:
cdir = course.data_dir
self.def_ms.courses.pop(cdir)
# now move the directory (don't actually delete it)
new_dir = "{course_dir}_deleted_{timestamp}".format(
course_dir=cdir,
timestamp=int(time.time())
)
os.rename(settings.DATA_DIR / cdir, settings.DATA_DIR / new_dir)
self.msg += (u"<font color='red'>Deleted "
u"{0} = {1} ({2})</font>".format(
cdir, course.id, course.display_name))
elif course_found and not is_xml_course:
# delete course that is stored with mongodb backend
content_store = contentstore()
commit = True
delete_course(self.def_ms, content_store, course.id, commit)
# don't delete user permission groups, though
self.msg += \
u"<font color='red'>{0} {1} = {2} ({3})</font>".format(
_('Deleted'), course.location.to_deprecated_string(), course.id.to_deprecated_string(), course.display_name)
def look_up_registration_code(request, course_id):
"""
Look for the registration_code in the database.
and check if it is still valid, allowed to redeem or not.
"""
course_key = CourseKey.from_string(course_id)
code = request.GET.get('registration_code')
course = get_course_by_id(course_key, depth=0)
try:
registration_code = CourseRegistrationCode.objects.get(code=code)
except CourseRegistrationCode.DoesNotExist:
return JsonResponse({
'is_registration_code_exists': False,
'is_registration_code_valid': False,
'is_registration_code_redeemed': False,
'message': _(u'The enrollment code ({code}) was not found for the {course_name} course.').format(
code=code, course_name=course.display_name
)
}, status=400) # status code 200: OK by default
reg_code_already_redeemed = RegistrationCodeRedemption.is_registration_code_redeemed(code)
registration_code_detail_url = reverse('registration_code_details', kwargs={'course_id': unicode(course_id)})
return JsonResponse({
'is_registration_code_exists': True,
'is_registration_code_valid': registration_code.is_valid,
'is_registration_code_redeemed': reg_code_already_redeemed,
'registration_code_detail_url': registration_code_detail_url
}) # status code 200: OK by default
def show_cart(request):
"""
This view shows cart items.
"""
cart = Order.get_cart_for_user(request.user)
total_cost = cart.total_cost
cart_items = cart.orderitem_set.all().select_subclasses()
shoppingcart_items = []
for cart_item in cart_items:
course_key = getattr(cart_item, 'course_id')
if course_key:
course = get_course_by_id(course_key, depth=0)
shoppingcart_items.append((cart_item, course))
site_name = microsite.get_value('SITE_NAME', settings.SITE_NAME)
callback_url = request.build_absolute_uri(
reverse("shoppingcart.views.postpay_callback")
)
form_html = render_purchase_form_html(cart, callback_url=callback_url)
context = {
'order': cart,
'shoppingcart_items': shoppingcart_items,
'amount': total_cost,
'site_name': site_name,
'form_html': form_html,
}
return render_to_response("shoppingcart/shopping_cart.html", context)
def modify_special_forum_contributors(request, course_id):
unique_student_identifier = request.GET.get('unique_student_identifier')
rolename = request.GET.get('rolename')
action = request.GET.get('action')
try:
course_id = _check_rights(course_id, request.user, rolename)
except UnauthorizedAccessError as e:
return HttpResponseBadRequest(e.message)
course = get_course_by_id(course_id)
_check_custom_roles(course_id)
user = get_student_from_identifier(unique_student_identifier)
target_is_instructor = has_access(user, 'instructor', course)
# cannot revoke instructor
if target_is_instructor and action == 'revoke' and rolename == FORUM_ROLE_ADMINISTRATOR:
return HttpResponseBadRequest("Cannot revoke instructor forum admin privileges.")
try:
update_forum_role(course_id, user, rolename, action)
except Role.DoesNotExist:
return HttpResponseBadRequest("Role does not exist.")
response_payload = {
'course_id': course_id.to_deprecated_string(),
'action': action,
}
return JsonResponse(response_payload)
def _section_course_info(course_id):
""" Provide data for the corresponding dashboard section """
course = get_course_by_id(course_id, depth=None)
section_data = {}
section_data['section_key'] = 'course_info'
section_data['section_display_name'] = 'Course Info'
section_data['course_id'] = course_id
section_data['course_display_name'] = course.display_name
section_data['enrollment_count'] = CourseEnrollment.objects.filter(course_id=course_id).count()
section_data['has_started'] = course.has_started()
section_data['has_ended'] = course.has_ended()
try:
advance = lambda memo, (letter, score): "{}: {}, ".format(letter, score) + memo
section_data['grade_cutoffs'] = reduce(advance, course.grade_cutoffs.items(), "")[:-2]
except Exception:
section_data['grade_cutoffs'] = "Not Available"
# section_data['offline_grades'] = offline_grades_available(course_id)
try:
section_data['course_errors'] = [(escape(a), '') for (a, _) in modulestore().get_item_errors(course.location)]
except Exception:
section_data['course_errors'] = [('Error fetching errors', '')]
return section_data
def instructor_dashboard_2(request, course_id):
""" Display the instructor dashboard for a course. """
course = get_course_by_id(course_id, depth=None)
access = {
'admin': request.user.is_staff,
'instructor': has_access(request.user, course, 'instructor'),
'staff': has_access(request.user, course, 'staff'),
'forum_admin': has_forum_access(
request.user, course_id, FORUM_ROLE_ADMINISTRATOR
),
}
if not access['staff']:
raise Http404()
sections = [
_section_course_info(course_id, access),
_section_membership(course_id, access),
_section_student_admin(course_id, access),
_section_data_download(course_id),
_section_analytics(course_id),
]
context = {
'course': course,
'old_dashboard_url': reverse('instructor_dashboard', kwargs={'course_id': course_id}),
'sections': sections,
}
return render_to_response('instructor/instructor_dashboard_2/instructor_dashboard_2.html', context)
def is_commentable_cohorted(course_key, commentable_id):
"""
Args:
course_key: CourseKey
commentable_id: string
Returns:
Bool: is this commentable cohorted?
Raises:
Http404 if the course doesn't exist.
"""
course = courses.get_course_by_id(course_key)
course_cohort_settings = get_course_cohort_settings(course_key)
if not course_cohort_settings.is_cohorted or get_team(commentable_id):
# this is the easy case :)
ans = False
elif (
commentable_id in course.top_level_discussion_topic_ids or
course_cohort_settings.always_cohort_inline_discussions is False
):
# top level discussions have to be manually configured as cohorted
# (default is not).
# Same thing for inline discussions if the default is explicitly set to False in settings
ans = commentable_id in course_cohort_settings.cohorted_discussions
else:
# inline discussions are cohorted by default
ans = True
log.debug(u"is_commentable_cohorted(%s, %s) = {%s}", course_key, commentable_id, ans)
return ans
def get(self, request, *args, **kwargs):
"""Shows logs of imports that happened as a result of a git import"""
course_id = kwargs.get('course_id')
if course_id:
course_id = SlashSeparatedCourseKey.from_deprecated_string(course_id)
# Set mongodb defaults even if it isn't defined in settings
mongo_db = {
'host': 'localhost',
'user': '',
'password': '',
'db': 'xlog',
}
# Allow overrides
if hasattr(settings, 'MONGODB_LOG'):
for config_item in ['host', 'user', 'password', 'db', ]:
mongo_db[config_item] = settings.MONGODB_LOG.get(
config_item, mongo_db[config_item])
mongouri = 'mongodb://{user}:{password}@{host}/{db}'.format(**mongo_db)
error_msg = ''
try:
if mongo_db['user'] and mongo_db['password']:
mdb = mongoengine.connect(mongo_db['db'], host=mongouri)
else:
mdb = mongoengine.connect(mongo_db['db'], host=mongo_db['host'])
except mongoengine.connection.ConnectionError:
log.exception('Unable to connect to mongodb to save log, '
'please check MONGODB_LOG settings.')
if course_id is None:
# Require staff if not going to specific course
if not request.user.is_staff:
raise Http404
cilset = CourseImportLog.objects.all().order_by('-created')
else:
try:
course = get_course_by_id(course_id)
except Exception: # pylint: disable=broad-except
log.info('Cannot find course {0}'.format(course_id))
raise Http404
# Allow only course team, instructors, and staff
if not (request.user.is_staff or
CourseInstructorRole(course.id).has_user(request.user) or
CourseStaffRole(course.id).has_user(request.user)):
raise Http404
log.debug('course_id={0}'.format(course_id))
cilset = CourseImportLog.objects.filter(course_id=course_id).order_by('-created')
log.debug('cilset length={0}'.format(len(cilset)))
mdb.disconnect()
context = {'cilset': cilset,
'course_id': course_id.to_deprecated_string() if course_id else None,
'error_msg': error_msg}
return render_to_response(self.template_name, context)
def add_cohort(course_key, name):
"""
Add a cohort to a course. Raises ValueError if a cohort of the same name already
exists.
"""
log.debug("Adding cohort %s to %s", name, course_key)
if CourseUserGroup.objects.filter(course_id=course_key,
group_type=CourseUserGroup.COHORT,
name=name).exists():
raise ValueError(_("You cannot create two cohorts with the same name"))
try:
course = courses.get_course_by_id(course_key)
except Http404:
raise ValueError("Invalid course_key")
cohort = CourseUserGroup.objects.create(
course_id=course.id,
group_type=CourseUserGroup.COHORT,
name=name
)
tracker.emit(
"edx.cohort.creation_requested",
{"cohort_name": cohort.name, "cohort_id": cohort.id}
)
return cohort
def setUp(self):
"""
Set up tests
"""
super(TestFieldOverrides, self).setUp()
self.ccx = ccx = CustomCourseForEdX(
course_id=self.course.id,
display_name='Test CCX',
coach=AdminFactory.create())
ccx.save()
patch = mock.patch('ccx.overrides.get_current_ccx')
self.get_ccx = get_ccx = patch.start()
get_ccx.return_value = ccx
self.addCleanup(patch.stop)
self.addCleanup(RequestCache.clear_request_cache)
inject_field_overrides(iter_blocks(ccx.course), self.course, AdminFactory.create())
self.ccx_key = CCXLocator.from_course_locator(self.course.id, ccx.id)
self.ccx_course = get_course_by_id(self.ccx_key, depth=None)
def cleanup_provider_classes():
"""
After everything is done, clean up by un-doing the change to the
OverrideFieldData object that is done during the wrap method.
"""
OverrideFieldData.provider_classes = None
self.addCleanup(cleanup_provider_classes)
def publish(self):
"""Publish pdf of certificate."""
students = self._get_students()
print "\nFetching course data for {0}".format(self.course_id)
course = courses.get_course_by_id(self.course_id)
if not course.has_ended():
raise CertPDFException('This couse is not ended.')
print "Fetching enrollment for students({0}).".format(self.course_id)
for student in students.iterator():
certs = GeneratedCertificate.objects.filter(
user=student, course_id=self.course_id,
status=CertificateStatuses.generating)
for cert in certs.iterator():
if cert.download_url:
if not self.noop:
cert.status = CertificateStatuses.downloadable
print "Publish {0}'s certificate : Status {1}".format(
student.username, cert.status)
cert.save()
else:
print "Publish {0}'s certificate : Status {1} (Noop)".format(
student.username, cert.status)
else:
print "Publish {0}'s certificate : Error download_url is empty.".format(
student.username)
def show_unit_extensions(request, course_id):
"""
Shows all of the students which have due date extensions for the given unit.
"""
course = get_course_by_id(course_id)
unit = find_unit(course, request.GET.get('url'))
return JsonResponse(dump_module_extensions(course, unit))
def is_commentable_cohorted(course_key, commentable_id):
"""
Args:
course_key: CourseKey
commentable_id: string
Returns:
Bool: is this commentable cohorted?
Raises:
Http404 if the course doesn't exist.
"""
course = courses.get_course_by_id(course_key)
if not course.is_cohorted:
# this is the easy case :)
ans = False
elif commentable_id in course.top_level_discussion_topic_ids:
# top level discussions have to be manually configured as cohorted
# (default is not)
ans = commentable_id in course.cohorted_discussions
else:
# inline discussions are cohorted by default
ans = True
log.debug(u"is_commentable_cohorted({0}, {1}) = {2}".format(
course_key, commentable_id, ans
))
return ans
def iterate_grades_for(course_or_id, students):
"""
Given a course_id and an iterable of students (User), yield a GradeResult
for every student enrolled in the course. GradeResult is a named tuple of:
(student, gradeset, err_msg)
If an error occurred, gradeset will be an empty dict and err_msg will be an
exception message. If there was no error, err_msg is an empty string.
The gradeset is a dictionary with the following fields:
- grade : A final letter grade.
- percent : The final percent for the class (rounded up).
- section_breakdown : A breakdown of each section that makes
up the grade. (For display)
- grade_breakdown : A breakdown of the major components that
make up the final grade. (For display)
- raw_scores: contains scores for every graded module
"""
if isinstance(course_or_id, (basestring, CourseKey)):
course = get_course_by_id(course_or_id)
else:
course = course_or_id
for student in students:
with dog_stats_api.timer('lms.grades.iterate_grades_for', tags=[u'action:{}'.format(course.id)]):
try:
gradeset = summary(student, course)
yield GradeResult(student, gradeset, "")
except Exception as exc: # pylint: disable=broad-except
# Keep marching on even if this student couldn't be graded for
# some reason, but log it for future reference.
log.exception(
'Cannot grade student %s (%s) in course %s because of exception: %s',
student.username,
student.id,
course.id,
exc.message
)
yield GradeResult(student, {}, exc.message)
def handle(self, *args, **__options):
"""
Migrates existing SGA submissions.
"""
if not args:
raise CommandError('Please specify the course id.')
if len(args) > 1:
raise CommandError('Too many arguments.')
course_id = args[0]
course_key = CourseKey.from_string(course_id)
course = get_course_by_id(course_key)
student_modules = StudentModule.objects.filter(
course_id=course.id).filter(module_state_key__contains='ev_sa')
blocks = {}
for student_module in student_modules:
block_id = student_module.module_state_key
if block_id.block_type != 'ev_sa':
continue
block = blocks.get(block_id)
if not block:
blocks[block_id] = block = modulestore().get_item(block_id)
state = json.loads(student_module.state)
sha1 = state.get('uploaded_sha1')
if not sha1:
continue
student = student_module.student
submission_id = block.student_submission_id(
anonymous_id_for_user(student, course.id))
answer = {
"sha1": sha1,
"filename": state.get('uploaded_filename'),
"mimetype": state.get('uploaded_mimetype'),
}
submission = submissions_api.create_submission(
submission_id, answer)
score = state.get('score') # float
if score:
submissions_api.set_score(submission['uuid'], int(score),
block.max_score())
def look_up_registration_code(request, course_id):
"""
Look for the registration_code in the database.
and check if it is still valid, allowed to redeem or not.
"""
course_key = CourseKey.from_string(course_id)
code = request.GET.get('registration_code')
course = get_course_by_id(course_key, depth=0)
try:
registration_code = CourseRegistrationCode.objects.get(code=code)
except CourseRegistrationCode.DoesNotExist:
return JsonResponse(
{
'is_registration_code_exists':
False,
'is_registration_code_valid':
False,
'is_registration_code_redeemed':
False,
'message':
_('The enrollment code ({code}) was not found for the {course_name} course.'
).format(code=code, course_name=course.display_name)
},
status=400) # status code 200: OK by default
reg_code_already_redeemed = RegistrationCodeRedemption.is_registration_code_redeemed(
code)
registration_code_detail_url = reverse(
'registration_code_details', kwargs={'course_id': unicode(course_id)})
return JsonResponse({
'is_registration_code_exists':
True,
'is_registration_code_valid':
registration_code.is_valid,
'is_registration_code_redeemed':
reg_code_already_redeemed,
'registration_code_detail_url':
registration_code_detail_url
}) # status code 200: OK by default
def wrapper(request, course_id):
"""
Wraps the view function, performing access check, loading the course,
and modifying the view's call signature.
"""
course_key = CourseKey.from_string(course_id)
ccx = None
if isinstance(course_key, CCXLocator):
ccx_id = course_key.ccx
try:
ccx = CustomCourseForEdX.objects.get(pk=ccx_id)
except CustomCourseForEdX.DoesNotExist:
raise Http404
if ccx:
course_key = ccx.course_id
course = get_course_by_id(course_key, depth=None)
if not course.enable_ccx:
raise Http404
else:
is_staff = has_access(request.user, 'staff', course)
is_instructor = has_access(request.user, 'instructor', course)
if is_staff or is_instructor:
# if user is staff or instructor then he can view ccx coach dashboard.
return view(request, course, ccx)
else:
# if there is a ccx, we must validate that it is the ccx for this coach
role = CourseCcxCoachRole(course_key)
if not role.has_user(request.user):
return HttpResponseForbidden(
_('You must be a CCX Coach to access this view.'))
elif ccx is not None:
coach_ccx = get_ccx_by_ccx_id(course, request.user, ccx.id)
if coach_ccx is None:
return HttpResponseForbidden(
_('You must be the coach for this ccx to access this view'
))
return view(request, course, ccx)
def _listen_for_passing_grade(sender, user, course_id, **kwargs): # pylint: disable=unused-argument
"""
Listen for a learner passing a course, send cert generation task,
downstream signal from COURSE_GRADE_CHANGED
"""
# No flags enabled
if (not waffle.waffle().is_enabled(waffle.SELF_PACED_ONLY)
and not waffle.waffle().is_enabled(waffle.INSTRUCTOR_PACED_ONLY)):
return
if courses.get_course_by_id(course_id, depth=0).self_paced:
if not waffle.waffle().is_enabled(waffle.SELF_PACED_ONLY):
return
else:
if not waffle.waffle().is_enabled(waffle.INSTRUCTOR_PACED_ONLY):
return
if fire_ungenerated_certificate_task(user, course_id):
log.info(
u'Certificate generation task initiated for {user} : {course} via passing grade'
.format(user=user.id, course=course_id))
def ensure_certif(request, course_id):
user_id = request.user.id
username = request.user.username
course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
course_tma = get_course_by_id(course_key)
is_graded = course_tma.is_graded
grade_cutoffs = modulestore().get_course(
course_key, depth=0).grade_cutoffs['Pass'] * 100
grading_note = CourseGradeFactory().create(request.user, course_tma)
passed = grading_note.passed
percent = float(int(grading_note.percent * 1000) / 10)
overall_progress = get_overall_progress(request.user.id, course_key)
context = {
'passed': passed,
'percent': percent,
'is_graded': is_graded,
'grade_cutoffs': grade_cutoffs,
'overall_progress': overall_progress
}
return JsonResponse(context)
def delete_redemption_entry(request, code_redemption, course_key):
"""
delete the redemption entry from the table and
unenroll the user who used the registration code
for the enrollment and send him/her the unenrollment email.
"""
user = code_redemption.redeemed_by
email_address = code_redemption.redeemed_by.email
full_name = code_redemption.redeemed_by.profile.name
CourseEnrollment.unenroll(user, course_key, skip_refund=True)
course = get_course_by_id(course_key, depth=0)
email_params = get_email_params(course, True, secure=request.is_secure())
email_params['message_type'] = 'enrolled_unenroll'
email_params['email_address'] = email_address
email_params['full_name'] = full_name
send_mail_to_student(email_address, email_params)
# remove the redemption entry from the database.
log.info('deleting redemption entry (%s) from the database.', code_redemption.id)
code_redemption.delete()
def test_get_static_tab_fragment(self):
self.setup_user()
course = get_course_by_id(self.course.id)
self.addCleanup(set_current_request, None)
request = get_mock_request(self.user)
tab = xmodule_tabs.CourseTabList.get_tab_by_slug(
course.tabs, 'new_tab')
# Test render works okay
tab_content = get_static_tab_fragment(request, course, tab).content
self.assertIn(text_type(self.course.id), tab_content)
self.assertIn('static_tab', tab_content)
# Test when render raises an exception
with patch('courseware.views.views.get_module') as mock_module_render:
mock_module_render.return_value = MagicMock(render=Mock(
side_effect=Exception('Render failed!')))
static_tab_content = get_static_tab_fragment(request, course,
tab).content
self.assertIn("this module is temporarily unavailable",
static_tab_content)
def rows(self):
for course_id in course_ids_between(self.start_word, self.end_word):
cur_course = get_course_by_id(course_id)
university = cur_course.org
course = cur_course.number + " " + cur_course.display_name_with_default
total_payments_collected = CertificateItem.verified_certificates_monetary_field_sum(
course_id, 'purchased', 'unit_cost')
service_fees = CertificateItem.verified_certificates_monetary_field_sum(
course_id, 'purchased', 'service_fee')
num_refunds = CertificateItem.verified_certificates_count(
course_id, "refunded")
amount_refunds = CertificateItem.verified_certificates_monetary_field_sum(
course_id, 'refunded', 'unit_cost')
num_transactions = (
num_refunds * 2) + CertificateItem.verified_certificates_count(
course_id, "purchased")
yield [
university, course, num_transactions, total_payments_collected,
service_fees, num_refunds, amount_refunds
]
def _get_context(self):
"""
"""
if self.is_course_staff():
return dict(
user_is_staff=True,
rubric=self.rubric,
users=self.get_student_list(),
reload_url=self.runtime.local_resource_url(self, 'public/img/reload-icon.png'),
cohorts=get_cohort_names(get_course_by_id(self.course_id)),
teams=self.api_teams.get_course_teams(unicode(self.course_id)),
grading_message=self.grading_message,
)
comment = self.get_comment()
return dict(
user_is_staff=False,
grading_message=comment if comment and self.score else self.grading_message,
score=self.score,
max_score=self.points
)
def _listen_for_certificate_whitelist_append(sender, instance, **kwargs): # pylint: disable=unused-argument
switches = waffle.waffle()
# No flags enabled
if (
not switches.is_enabled(waffle.SELF_PACED_ONLY) and
not switches.is_enabled(waffle.INSTRUCTOR_PACED_ONLY)
):
return
if courses.get_course_by_id(instance.course_id, depth=0).self_paced:
if not switches.is_enabled(waffle.SELF_PACED_ONLY):
return
else:
if not switches.is_enabled(waffle.INSTRUCTOR_PACED_ONLY):
return
fire_ungenerated_certificate_task(instance.user, instance.course_id)
log.info(u'Certificate generation task initiated for {user} : {course} via whitelist'.format(
user=instance.user.id,
course=instance.course_id
))
def remove_master_course_staff_from_ccx_for_existing_ccx(apps, schema_editor):
"""
Remove all staff and instructors of master course from respective CCX(s).
Arguments:
apps (Applications): Apps in edX platform.
schema_editor (SchemaEditor): For editing database schema i.e create, delete field (column)
"""
CustomCourseForEdX = apps.get_model("ccx", "CustomCourseForEdX")
list_ccx = CustomCourseForEdX.objects.all()
for ccx in list_ccx:
if ccx.course_id.deprecated:
# prevent migration for deprecated course ids.
continue
ccx_locator = CCXLocator.from_course_locator(ccx.course_id,
unicode(ccx.id))
remove_master_course_staff_from_ccx(get_course_by_id(ccx.course_id),
ccx_locator,
ccx.display_name,
send_email=False)
def add_cohort(course_key, name):
"""
Add a cohort to a course. Raises ValueError if a cohort of the same name already
exists.
"""
log.debug("Adding cohort %s to %s", name, course_key)
if CourseUserGroup.objects.filter(course_id=course_key,
group_type=CourseUserGroup.COHORT,
name=name).exists():
raise ValueError("Can't create two cohorts with the same name")
try:
course = courses.get_course_by_id(course_key)
except Http404:
raise ValueError("Invalid course_key")
return CourseUserGroup.objects.create(
course_id=course.id,
group_type=CourseUserGroup.COHORT,
name=name
)
def move_to_verified_cohort(sender, instance, **kwargs): # pylint: disable=unused-argument
"""
If the learner has changed modes, update assigned cohort iff the course is using
the Automatic Verified Track Cohorting MVP feature.
"""
course_key = instance.course_id
verified_cohort_enabled = VerifiedTrackCohortedCourse.is_verified_track_cohort_enabled(
course_key)
verified_cohort_name = VerifiedTrackCohortedCourse.verified_cohort_name_for_course(
course_key)
if verified_cohort_enabled and (instance.mode != instance._old_mode): # pylint: disable=protected-access
if not is_course_cohorted(course_key):
log.error(
"Automatic verified cohorting enabled for course '%s', but course is not cohorted",
course_key)
else:
existing_cohorts = get_course_cohorts(get_course_by_id(course_key),
CourseCohort.MANUAL)
if any(cohort.name == verified_cohort_name
for cohort in existing_cohorts):
args = {
'course_id': unicode(course_key),
'user_id': instance.user.id,
'verified_cohort_name': verified_cohort_name
}
# Do the update with a 3-second delay in hopes that the CourseEnrollment transaction has been
# completed before the celery task runs. We want a reasonably short delay in case the learner
# immediately goes to the courseware.
sync_cohort_with_mode.apply_async(kwargs=args, countdown=3)
# In case the transaction actually was not committed before the celery task runs,
# run it again after 5 minutes. If the first completed successfully, this task will be a no-op.
sync_cohort_with_mode.apply_async(kwargs=args, countdown=300)
else:
log.error(
"Automatic verified cohorting enabled for course '%s', but cohort named '%s' does not exist.",
course_key,
verified_cohort_name,
)
def handle(self, *args, **options):
if not options['course']:
raise CommandError(Command.course_option.help)
try:
course_key = CourseKey.from_string(options['course'])
except InvalidKeyError:
course_key = SlashSeparatedCourseKey.from_deprecated_string(
options['course'])
course = get_course_by_id(course_key)
print 'Warning: this command directly edits the list of course tabs in mongo.'
print 'Tabs before any changes:'
print_course(course)
try:
if options['delete']:
if len(args) != 1:
raise CommandError(Command.delete_option.help)
num = int(args[0])
if query_yes_no('Deleting tab {0} Confirm?'.format(num),
default='no'):
tabs.primitive_delete(course,
num - 1) # -1 for 0-based indexing
elif options['insert']:
if len(args) != 3:
raise CommandError(Command.insert_option.help)
num = int(args[0])
tab_type = args[1]
name = args[2]
if query_yes_no(
'Inserting tab {0} "{1}" "{2}" Confirm?'.format(
num, tab_type, name),
default='no'):
tabs.primitive_insert(course, num - 1, tab_type,
name) # -1 as above
except ValueError as e:
# Cute: translate to CommandError so the CLI error prints nicely.
raise CommandError(e)
def is_commentable_divided(course_key,
commentable_id,
course_discussion_settings=None):
"""
Args:
course_key: CourseKey
commentable_id: string
course_discussion_settings: CourseDiscussionSettings model instance (optional). If not
supplied, it will be retrieved via the course_key.
Returns:
Bool: is this commentable divided, meaning that learners are divided into
groups (either Cohorts or Enrollment Tracks) and only see posts within their group?
Raises:
Http404 if the course doesn't exist.
"""
if not course_discussion_settings:
course_discussion_settings = get_course_discussion_settings(course_key)
course = courses.get_course_by_id(course_key)
if not course_discussion_division_enabled(
course_discussion_settings) or get_team(commentable_id):
# this is the easy case :)
ans = False
elif (commentable_id in course.top_level_discussion_topic_ids
or course_discussion_settings.always_divide_inline_discussions is
False):
# top level discussions have to be manually configured as divided
# (default is not).
# Same thing for inline discussions if the default is explicitly set to False in settings
ans = commentable_id in course_discussion_settings.divided_discussions
else:
# inline discussions are divided by default
ans = True
log.debug(u"is_commentable_divided(%s, %s) = {%s}", course_key,
commentable_id, ans)
return ans
def course_grade_from_course_id(learner, course_id):
"""Get the edx-platform's course grade for this enrollment
IMPORTANT: Do not use in API calls as this is an expensive operation.
Only use in async or pipeline.
We handle the exception so that we return a specific `CourseNotFound`
instead of the non-specific `Http404`
edx-platform `get_course_by_id` function raises a generic `Http404` if it
cannot find a course in modulestore. We trap this and raise our own
`CourseNotFound` exception as it is more specific.
TODO: Consider optional kwarg param or Figures setting to log performance.
Bonus points: Make id a decorator
"""
try:
course = get_course_by_id(course_key=as_course_key(course_id))
except Http404:
raise CourseNotFound('{}'.format(str(course_id)))
course._field_data_cache = {} # pylint: disable=protected-access
course.set_grading_policy(course.grading_policy)
return course_grade(learner, course)
def instructor_dashboard_2(request, course_id):
""" Display the instructor dashboard for a course. """
course = get_course_by_id(course_id, depth=None)
access = {
'admin':
request.user.is_staff,
'instructor':
has_access(request.user, course, 'instructor'),
'staff':
has_access(request.user, course, 'staff'),
'forum_admin':
has_forum_access(request.user, course_id, FORUM_ROLE_ADMINISTRATOR),
}
if not access['staff']:
raise Http404()
sections = [
_section_course_info(course_id),
_section_membership(course_id, access),
_section_student_admin(course_id, access),
_section_data_download(course_id),
_section_analytics(course_id),
]
context = {
'course':
course,
'old_dashboard_url':
reverse('instructor_dashboard', kwargs={'course_id': course_id}),
'sections':
sections,
}
return render_to_response(
'instructor/instructor_dashboard_2/instructor_dashboard_2.html',
context)
def send_grandfather_email(self, user, certificates, mock_run=False):
"""
Send the 'grandfathered' email informing historical students that they
may now post their certificates on their LinkedIn profiles.
"""
courses_list = []
for cert in certificates:
course = get_course_by_id(cert.course_id)
course_url = 'https://{}{}'.format(
settings.SITE_NAME,
reverse('course_root', kwargs={'course_id': cert.course_id})
)
course_title = course.display_name_with_default
course_img_url = 'https://{}{}'.format(settings.SITE_NAME, course_image_url(course))
course_end_date = course.end.strftime('%b %Y')
course_org = course.org
courses_list.append({
'course_url': course_url,
'course_org': course_org,
'course_title': course_title,
'course_image_url': course_img_url,
'course_end_date': course_end_date,
'linkedin_add_url': self.certificate_url(cert),
})
context = {
'courses_list': courses_list,
'num_courses': len(courses_list),
'google_analytics': settings.GOOGLE_ANALYTICS_LINKEDIN,
}
body = render_to_string('linkedin/linkedin_email.html', context)
subject = u'{}, Add your Achievements to your LinkedIn Profile'.format(user.profile.name)
if mock_run:
return True
else:
return self.send_email(user, subject, body)
def offline_grade_calculation(course_id):
'''
Compute grades for all students for a specified course, and save results to the DB.
'''
tstart = time.time()
enrolled_students = User.objects.filter(courseenrollment__course_id=course_id).prefetch_related("groups").order_by('username')
enc = MyEncoder()
class DummyRequest(object):
META = {}
def __init__(self):
return
def get_host(self):
return 'edx.mit.edu'
def is_secure(self):
return False
request = DummyRequest()
print "%d enrolled students" % len(enrolled_students)
course = get_course_by_id(course_id)
for student in enrolled_students:
gradeset = grades.grade(student, request, course, keep_raw_scores=True)
gs = enc.encode(gradeset)
ocg, created = models.OfflineComputedGrade.objects.get_or_create(user=student, course_id=course_id)
ocg.gradeset = gs
ocg.save()
print "%s done" % student # print statement used because this is run by a management command
tend = time.time()
dt = tend - tstart
ocgl = models.OfflineComputedGradeLog(course_id=course_id, seconds=dt, nstudents=len(enrolled_students))
ocgl.save()
print ocgl
print "All Done!"
def setUp(self):
"""
Set up tests
"""
super(TestCCXGrades, self).setUp()
# Create instructor account
self.coach = coach = AdminFactory.create()
self.client.login(username=coach.username, password="******")
# Create CCX
role = CourseCcxCoachRole(self._course.id)
role.add_users(coach)
ccx = CcxFactory(course_id=self._course.id, coach=self.coach)
# override course grading policy and make last section invisible to students
override_field_for_ccx(
ccx, self._course, 'grading_policy', {
'GRADER': [{
'drop_count': 0,
'min_count': 2,
'short_label': 'HW',
'type': 'Homework',
'weight': 1
}],
'GRADE_CUTOFFS': {
'Pass': 0.75
},
})
override_field_for_ccx(ccx, self.sections[-1], 'visible_to_staff_only',
True)
# create a ccx locator and retrieve the course structure using that key
# which emulates how a student would get access.
self.ccx_key = CCXLocator.from_course_locator(self._course.id, ccx.id)
self.course = get_course_by_id(self.ccx_key, depth=None)
setup_students_and_grades(self)
self.client.login(username=coach.username, password="******")
self.addCleanup(RequestCache.clear_request_cache)
def grade_collector_stat():
"""
Task for update user grades.
"""
this_update_date = datetime.now()
users_by_course = get_items_for_grade_update()
collected_stat = []
for course_string_id, users in users_by_course.iteritems():
try:
course_key = CourseKey.from_string(course_string_id)
course = get_course_by_id(course_key, depth=0)
except (InvalidKeyError, Http404):
continue
with modulestore().bulk_operations(course_key):
for user in users:
grades = get_grade_summary(user, course)
if not grades:
continue
exam_info = OrderedDict()
for grade in grades['section_breakdown']:
exam_info[grade['label']] = int(grade['percent'] * 100.0)
exam_info['total'] = int(grades['percent'] * 100.0)
collected_stat.append(({
'course_id': course_key,
'student_id': user
}, {
'exam_info': json.dumps(exam_info),
'total': grades['percent']
}))
with transaction.atomic():
for key_values, additional_info in collected_stat:
key_values['defaults'] = additional_info
GradeStatistic.objects.update_or_create(**key_values)
LastGradeStatUpdate(last_update=this_update_date).save()
def offline_grade_calculation(course_key):
'''
Compute grades for all students for a specified course, and save results to the DB.
'''
tstart = time.time()
enrolled_students = User.objects.filter(
courseenrollment__course_id=course_key,
courseenrollment__is_active=1).prefetch_related("groups").order_by(
'username')
enc = MyEncoder()
print "{} enrolled students".format(len(enrolled_students))
course = get_course_by_id(course_key)
for student in enrolled_students:
request = DummyRequest()
request.user = student
request.session = {}
gradeset = grades.grade(student, request, course, keep_raw_scores=True)
gs = enc.encode(gradeset)
ocg, _created = models.OfflineComputedGrade.objects.get_or_create(
user=student, course_id=course_key)
ocg.gradeset = gs
ocg.save()
print "%s done" % student # print statement used because this is run by a management command
tend = time.time()
dt = tend - tstart
ocgl = models.OfflineComputedGradeLog(course_id=course_key,
seconds=dt,
nstudents=len(enrolled_students))
ocgl.save()
print ocgl
print "All Done!"
def add_cohort(course_key, name, assignment_type):
"""
Add a cohort to a course. Raises ValueError if a cohort of the same name already
exists.
"""
log.debug("Adding cohort %s to %s", name, course_key)
if is_cohort_exists(course_key, name):
raise ValueError(_("You cannot create two cohorts with the same name"))
try:
course = courses.get_course_by_id(course_key)
except Http404:
raise ValueError("Invalid course_key")
cohort = CourseCohort.create(
cohort_name=name, course_id=course.id,
assignment_type=assignment_type).course_user_group
tracker.emit("edx.cohort.creation_requested", {
"cohort_name": cohort.name,
"cohort_id": cohort.id
})
return cohort
def base_process(self, request, course_id):
"""
Preprocess request, check permission and select course.
"""
course_id = request.POST.get('course_id', course_id)
try:
course_key = CourseKey.from_string(course_id)
except InvalidKeyError:
log.error(
"Unable to find course with course key %s while loading the Instructor Analytics Dashboard.",
course_id)
return HttpResponseBadRequest()
course = get_course_by_id(course_key, depth=0)
if not has_access(request.user, self.group_name, course):
log.error("Statistics not available for user type `%s`",
request.user)
return HttpResponseForbidden()
return self.process(request,
course_key=course_key,
course=course,
course_id=course_id)
def get_group_names_by_id(course_discussion_settings):
"""
Creates of a dict of group_id to learner-facing group names, for the division_scheme
in use as specified by course_discussion_settings.
Args:
course_discussion_settings: CourseDiscussionSettings model instance
Returns: dict of group_id to learner-facing group names. If no division_scheme
is in use, returns an empty dict.
"""
division_scheme = _get_course_division_scheme(course_discussion_settings)
course_key = course_discussion_settings.course_id
if division_scheme == CourseDiscussionSettings.COHORT:
return get_cohort_names(courses.get_course_by_id(course_key))
elif division_scheme == CourseDiscussionSettings.ENROLLMENT_TRACK:
# We negate the group_ids from dynamic partitions so that they will not conflict
# with cohort IDs (which are an auto-incrementing integer field, starting at 1).
return {
-1 * group.id: group.name
for group in _get_enrollment_track_groups(course_key)
}
else:
return {}
def certificate_url(self, certificate):
"""
Generates a certificate URL based on LinkedIn's documentation. The
documentation is from a Word document: DAT_DOCUMENTATION_v3.12.docx
"""
course = get_course_by_id(certificate.course_id)
tracking_code = '-'.join([
'eml',
'prof', # the 'product'--no idea what that's supposed to mean
'edX', # Partner's name
course.number, # Certificate's name
'gf'])
query = [
('pfCertificationName', course.display_name_with_default),
('pfAuthorityId', settings.LINKEDIN_API['COMPANY_ID']),
('pfCertificationUrl', certificate.download_url),
('pfLicenseNo', certificate.course_id),
('pfCertStartDate', course.start.strftime('%Y%m')),
('_mSplash', '1'),
('trk', tracking_code),
('startTask', 'CERTIFICATION_NAME'),
('force', 'true')]
return 'http://www.linkedin.com/profile/guided?' + urllib.urlencode(query)
def handle(self, *args, **options):
course_id = args[0]
try:
course_key = CourseKey.from_string(course_id)
except InvalidKeyError:
course_key = SlashSeparatedCourseKey.from_deprecated_string(
course_id)
try:
course = get_course_by_id(course_key)
except Exception as err: # pylint: disable=broad-except
print "Course not found."
return
enrolled_students = User.objects.filter(
courseenrollment__course_id=course_key,
courseenrollment__is_active=1,
).values_list('username', flat=True)
for student in enrolled_students:
print student
def _get_course_cohort_settings(course_key):
"""
Return cohort settings for a course. NOTE that the only non-deprecated fields in
CourseCohortSettings are `course_id` and `is_cohorted`. Other fields should only be used for
migration purposes.
Arguments:
course_key: CourseKey
Returns:
A CourseCohortSettings object. NOTE that the only non-deprecated field in
CourseCohortSettings are `course_id` and `is_cohorted`. Other fields should only be used
for migration purposes.
Raises:
Http404 if course_key is invalid.
"""
try:
course_cohort_settings = CourseCohortsSettings.objects.get(course_id=course_key)
except CourseCohortsSettings.DoesNotExist:
course = courses.get_course_by_id(course_key)
course_cohort_settings = migrate_cohort_settings(course)
return course_cohort_settings
def validate_course(self):
"""
Validates that enrollment is available on course
"""
try:
course_key = CourseKey.from_string(self.params['course_id'])
course = get_course_by_id(course_key)
if not course.self_paced:
if not enrollment_has_started(course):
# Translators: This is for the ForUs API
self.errors['course_id'].append(
_('The course has not yet been opened for enrollment, '
'please go back to the ForUs portal and enroll in other courses'
))
if enrollment_has_ended(course):
# Translators: This is for the ForUs API
self.errors['course_id'].append(
_('Enrollment for this course has been closed, '
'please go back to the ForUs portal and enroll in other courses'
))
except InvalidKeyError:
log.warning(
u"User {username} tried to {action} with invalid course id: {course_id}"
.format(
username=self.params.get('username'),
action=self.params.get('enrollment_action'),
course_id=self.params.get('course_id'),
))
self.mark_as_invalid('course_id', _('course id'))
except Http404:
# Translators: This is for the ForUs API
self.errors['course_id'].append(
_('The requested course does not exist'))
