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,
courseenrollment__is_active=1
).prefetch_related("groups").order_by('username')
enc = MyEncoder()
print "%d enrolled students" % len(enrolled_students)
course = get_course_by_id(course_id)
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_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 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 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)
# Convert Score namedtuples to dicts:
totaled_scores = gradeset['totaled_scores']
for section in totaled_scores:
totaled_scores[section] = [score._asdict() for score in totaled_scores[section]]
gradeset['raw_scores'] = [score._asdict() for score in gradeset['raw_scores']]
# Encode as JSON and save:
gradeset_str = enc.encode(gradeset)
ocg, _created = models.OfflineComputedGrade.objects.get_or_create(user=student, course_id=course_key)
ocg.gradeset = gradeset_str
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 offline_grade_calculation(course):
'''
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,
courseenrollment__is_active=1).prefetch_related("groups").order_by(
'username')
enc = MyEncoder()
all_studnets = len(enrolled_students)
print "{} enrolled students in {}".format(all_studnets, course.id)
counter = 0
for student in enrolled_students:
counter += 1
if counter % 1000 == 0:
print "{}/{} done: Course {}".format(counter, all_studnets,
course.id)
request = DummyRequest()
request.user = student
request.session = {}
gradeset = grades.grade(student, request, course, keep_raw_scores=True)
ocg, _created = models.OfflineComputedGrade.objects.get_or_create(
user=student, course_id=course.id)
ocg.gradeset = gradeset['grade']
ocg.save()
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!"
