def create_test_certificate(course, course_key, university):
"""
Generate the pdf certicate, save it on disk
"""
if university.certificate_logo:
logo_path = os.path.join(university.certificate_logo.url, university.certificate_logo.path)
else:
logo_path = None
teachers = get_teachers_list_from_course(course_key)
certificate_language = Course.get_course_language(unicode(course_key))
key = make_hashkey(random.random())
filename = "TEST_attestation_suivi_%s_%s.pdf" % (
course.id.to_deprecated_string().replace('/', '_'), key
)
certificate = CertificateInfo(settings.STUDENT_NAME_FOR_TEST_CERTIFICATE,
course.display_name, university.name, logo_path, filename, teachers,
language=certificate_language
)
certificate.generate()
return certificate
def send_to_grader(self, submission, system):
"""
Send a given submission to the grader, via the xqueue
@param submission: The student submission to send to the grader
@param system: Modulesystem
@return: Boolean true (not useful right now)
"""
# Prepare xqueue request
#------------------------------------------------------------
xqueue = system.get('xqueue')
if xqueue is None:
return False
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(), xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
# Generate header
queuekey = xqueue_interface.make_hashkey(str(system.seed) + qtime +
anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.queue_name
)
contents = self.payload.copy()
# Metadata related to the student submission revealed to the external
# grader
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
# Update contents with student response and student info
contents.update({
'student_info': json.dumps(student_info),
'student_response': submission,
'max_score': self.max_score(),
})
# Submit request. When successful, 'msg' is the prior length of the
# queue
qinterface.send_to_queue(
header=xheader,
body=json.dumps(contents)
)
# State associated with the queueing request
queuestate = {
'key': queuekey,
'time': qtime,
}
return True
def send_to_grader(self, submission, system):
"""
Send a given submission to the grader, via the xqueue
@param submission: The student submission to send to the grader
@param system: Modulesystem
@return: Boolean true (not useful right now)
"""
# Prepare xqueue request
#------------------------------------------------------------
xqueue = system.get('xqueue')
if xqueue is None:
return False
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(UTC), xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
# Generate header
queuekey = xqueue_interface.make_hashkey(str(system.seed) + qtime +
anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.queue_name
)
contents = self.payload.copy()
# Metadata related to the student submission revealed to the external grader
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
# Update contents with student response and student info
contents.update({
'student_info': json.dumps(student_info),
'student_response': submission,
'max_score': self.max_score(),
})
# Submit request. When successful, 'msg' is the prior length of the queue
qinterface.send_to_queue(
header=xheader,
body=json.dumps(contents)
)
# State associated with the queueing request
queuestate = {
'key': queuekey,
'time': qtime,
}
return True
def _generate_cert(self, cert, course, student, grade_contents, template_pdf, generate_pdf):
"""
Generate a certificate for the student. If `generate_pdf` is True,
sends a request to XQueue.
"""
course_id = unicode(course.id)
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id,
'course_name': course.display_name or course_id,
'name': cert.name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
if generate_pdf:
cert.status = status.generating
else:
cert.status = status.downloadable
cert.verify_uuid = uuid4().hex
cert.save()
logging.info(u'certificate generated for user: %s with generate_pdf status: %s',
student.username, generate_pdf)
if generate_pdf:
try:
self._send_to_xqueue(contents, key)
except XQueueAddToQueueError as exc:
cert.status = ExampleCertificate.STATUS_ERROR
cert.error_reason = unicode(exc)
cert.save()
LOGGER.critical(
(
u"Could not add certificate task to XQueue. "
u"The course was '%s' and the student was '%s'."
u"The certificate task status has been marked as 'error' "
u"and can be re-submitted with a management command."
), course_id, student.id
)
else:
LOGGER.info(
(
u"The certificate status has been set to '%s'. "
u"Sent a certificate grading task to the XQueue "
u"with the key '%s'. "
),
cert.status,
key
)
return cert
def _generate_cert(self, cert, course, student, grade_contents, template_pdf, generate_pdf):
"""
Generate a certificate for the student. If `generate_pdf` is True,
sends a request to XQueue.
"""
course_id = unicode(course.id)
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id,
'course_name': course.display_name or course_id,
'name': cert.name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
if generate_pdf:
cert.status = status.generating
else:
cert.status = status.downloadable
cert.verify_uuid = uuid4().hex
cert.save()
logging.info(u'certificate generated for user: %s with generate_pdf status: %s',
student.username, generate_pdf)
if generate_pdf:
try:
self._send_to_xqueue(contents, key)
except XQueueAddToQueueError as exc:
cert.status = ExampleCertificate.STATUS_ERROR
cert.error_reason = unicode(exc)
cert.save()
LOGGER.critical(
(
u"Could not add certificate task to XQueue. "
u"The course was '%s' and the student was '%s'."
u"The certificate task status has been marked as 'error' "
u"and can be re-submitted with a management command."
), course_id, student.id
)
else:
LOGGER.info(
(
u"The certificate status has been set to '%s'. "
u"Sent a certificate grading task to the XQueue "
u"with the key '%s'. "
),
cert.status,
key
)
return cert
def generate_fun_certificate(student,
course_id,
course_display_name, course,
teachers,
organization_display_name, organization_logo,
certificate_base_filename, ignore_grades, new_grade, fail_flag):
"""Generates a certificate for one student and one course."""
profile = UserProfile.objects.get(user=student)
student_name = unicode(profile.name).encode('utf-8')
# grade the student
cert, _created = GeneratedCertificate.objects.get_or_create(
user=student, course_id=course_id
)
request.user = student
grade = grades.grade(student, request, course)
cert.grade = grade['percent']
cert.user = student
cert.course_id = course_id
cert.name = profile.name
fail = False
if ignore_grades:
cert.grade = 1
elif new_grade:
fail = fail_flag
cert.grade = new_grade
elif grade['grade'] is None:
## edx grading
fail = True
if fail:
cert.status = status.notpassing
else:
key = make_hashkey(random.random())
cert.key = key
certificate_filename = certificate_base_filename + key + ".pdf"
certificate_language = Course.get_course_language(unicode(course_id))
info = CertificateInfo(
student_name, course_display_name,
organization_display_name, organization_logo,
certificate_filename, teachers, language=certificate_language
)
info.generate()
cert.status = status.downloadable
cert.download_url = settings.CERTIFICATE_BASE_URL + certificate_filename
cert.save()
return cert.status
def generate_fun_certificate(student, course_id, course_display_name, course, teachers, organization_display_name, organization_logo, certificate_base_filename,ignore_grades, new_grade):
"""Generates a certificate for one student and one course."""
profile = UserProfile.objects.get(user=student)
student_name = unicode(profile.name).encode('utf-8')
# grade the student
cert, created = GeneratedCertificate.objects.get_or_create(
user=student, course_id=course_id)
request.user = student
grade = grades.grade(student, request, course)
cert.grade = grade['percent']
cert.user = student
cert.course_id = course_id
cert.name = profile.name
if ignore_grades:
grade['grade'] = 'A'
grade['percent'] = 100.0
if new_grade:
grade['grade'] = 'A'
cert.grade = new_grade
cert.save()
if grade['grade'] is None:
cert.status = status.notpassing
else:
key = make_hashkey(random.random())
cert.key = key
info = CertificateInfo()
info.full_name = student_name
info.course_name = course_display_name
info.teachers = teachers
info.organization = organization_display_name
info.organization_logo = organization_logo
certificate_filename = certificate_base_filename + key + ".pdf";
info.pdf_file_name = os.path.join(
settings.CERTIFICATES_DIRECTORY, certificate_filename)
if info.generate():
cert.status = status.downloadable
cert.download_url = settings.CERTIFICATE_BASE_URL + certificate_filename
else:
cert.status = status.error
cert.error_reason = "Error while generating PDF file"
cert.save()
return cert.status
def _generate_certificate(user, course_id):
"""
Generate a certificate for this user, in this course run.
"""
profile = UserProfile.objects.get(user=user)
profile_name = profile.name
course = modulestore().get_course(course_id, depth=0)
course_grade = CourseGradeFactory().read(user, course)
enrollment_mode, __ = CourseEnrollment.enrollment_mode_for_user(user, course_id)
key = make_hashkey(random.random())
uuid = uuid4().hex
cert, created = GeneratedCertificate.objects.update_or_create(
user=user,
course_id=course_id,
defaults={
'user': user,
'course_id': course_id,
'mode': enrollment_mode,
'name': profile_name,
'status': CertificateStatuses.downloadable,
'grade': course_grade.percent,
'download_url': '',
'key': key,
'verify_uuid': uuid
}
)
if created:
created_msg = 'Certificate was created.'
else:
created_msg = 'Certificate already existed and was updated.'
log.info(
'Generated certificate with status {status} for {user} : {course}. {created_msg}'.format(
status=cert.status,
user=cert.user.id,
course=cert.course_id,
created_msg=created_msg
))
return cert
def _generate_cert(cert, course, student, grade_contents, template_pdf):
"""
Generate a certificate for the student. If `generate_pdf` is True,
sends a request to XQueue.
"""
course_id = unicode(course.id)
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id,
'course_name': course.display_name or course_id,
'name': cert.name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
cert.status = CertificateStatuses.downloadable
cert.verify_uuid = uuid4().hex
cert.save()
return cert
def add_cert(self, student, course_id, course=None):
"""
Arguments:
student - User.object
course_id - courseenrollment.course_id (string)
Request a new certificate for a student.
Will change the certificate status to 'generating'.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status
"""
VALID_STATUSES = [status.generating,
status.unavailable, status.deleted, status.error,
status.notpassing]
cert_status = certificate_status_for_student(
student, course_id)['status']
if cert_status in VALID_STATUSES:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = courses.get_course_by_id(course_id)
profile = UserProfile.objects.get(user=student)
cert, created = GeneratedCertificate.objects.get_or_create(
user=student, course_id=course_id)
grade = grades.grade(student, self.request, course)
is_whitelisted = self.whitelist.filter(
user=student, course_id=course_id, whitelist=True).exists()
if is_whitelisted or grade['grade'] is not None:
key = make_hashkey(random.random())
cert.grade = grade['percent']
cert.user = student
cert.course_id = course_id
cert.key = key
cert.name = profile.name
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
cert.status = status.restricted
else:
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id,
'name': profile.name,
}
cert.status = status.generating
self._send_to_xqueue(contents, key)
cert.save()
else:
cert_status = status.notpassing
cert.grade = grade['percent']
cert.status = cert_status
cert.user = student
cert.course_id = course_id
cert.name = profile.name
cert.save()
return cert_status
def add_cert(self, student, course_id, course=None, forced_grade=None, template_file=None, title="None"):
"""
Request a new certificate for a student.
Arguments:
student - User.object
course_id - courseenrollment.course_id (CourseKey)
forced_grade - a string indicating a grade parameter to pass with
the certificate request. If this is given, grading
will be skipped.
Will change the certificate status to 'generating'.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will be made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status
"""
VALID_STATUSES = [status.generating, status.unavailable, status.deleted, status.error, status.notpassing]
cert_status = certificate_status_for_student(student, course_id)["status"]
new_status = cert_status
if cert_status in VALID_STATUSES:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = courses.get_course_by_id(course_id)
profile = UserProfile.objects.get(user=student)
profile_name = profile.name
# Needed
self.request.user = student
self.request.session = {}
course_name = course.display_name or course_id.to_deprecated_string()
is_whitelisted = self.whitelist.filter(user=student, course_id=course_id, whitelist=True).exists()
grade = grades.grade(student, self.request, course)
enrollment_mode, __ = CourseEnrollment.enrollment_mode_for_user(student, course_id)
mode_is_verified = enrollment_mode == GeneratedCertificate.MODES.verified
user_is_verified = SoftwareSecurePhotoVerification.user_is_verified(student)
user_is_reverified = SoftwareSecurePhotoVerification.user_is_reverified_for_all(course_id, student)
cert_mode = enrollment_mode
if mode_is_verified and user_is_verified and user_is_reverified:
template_pdf = "certificate-template-{id.org}-{id.course}-verified.pdf".format(id=course_id)
elif mode_is_verified and not (user_is_verified and user_is_reverified):
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(id=course_id)
cert_mode = GeneratedCertificate.MODES.honor
else:
# honor code and audit students
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(id=course_id)
if forced_grade:
grade["grade"] = forced_grade
cert, __ = GeneratedCertificate.objects.get_or_create(user=student, course_id=course_id)
cert.mode = cert_mode
cert.user = student
cert.grade = grade["percent"]
cert.course_id = course_id
cert.name = profile_name
# Strip HTML from grade range label
grade_contents = grade.get("grade", None)
try:
grade_contents = lxml.html.fromstring(grade_contents).text_content()
except (TypeError, XMLSyntaxError, ParserError) as e:
# Despite blowing up the xml parser, bad values here are fine
grade_contents = None
if is_whitelisted or grade_contents is not None:
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
new_status = status.restricted
cert.status = new_status
cert.save()
else:
key = make_hashkey(random.random())
cert.key = key
contents = {
"action": "create",
"username": student.username,
"course_id": course_id.to_deprecated_string(),
"course_name": course_name,
"name": profile_name,
"grade": grade_contents,
"template_pdf": template_pdf,
}
if template_file:
contents["template_pdf"] = template_file
new_status = status.generating
cert.status = new_status
cert.save()
self._send_to_xqueue(contents, key)
else:
cert_status = status.notpassing
cert.status = cert_status
cert.save()
return new_status
def send_to_grader(self, submission, system):
"""
Send a given submission to the grader, via the xqueue
@param submission: The student submission to send to the grader
@param system: Modulesystem
@return: Boolean true (not useful right now)
"""
# Prepare xqueue request
#------------------------------------------------------------
xqueue = system.get('xqueue')
if xqueue is None:
return False
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(UTC), xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
# Generate header
queuekey = xqueue_interface.make_hashkey(str(system.seed) + qtime +
anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.queue_name
)
contents = self.payload.copy()
# Metadata related to the student submission revealed to the external grader
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
# Update contents with student response and student info
contents.update({
'student_info': json.dumps(student_info),
'student_response': submission,
'max_score': self.max_score(),
})
# Submit request. When successful, 'msg' is the prior length of the queue
error, error_message = qinterface.send_to_queue(
header=xheader,
body=json.dumps(contents)
)
# State associated with the queueing request
queuestate = {
'key': queuekey,
'time': qtime,
}
_ = self.system.service(self, "i18n").ugettext
success = True
message = _("Successfully saved your submission.")
if error:
success = False
# Translators: the `grader` refers to the grading service open response problems
# are sent to, either to be machine-graded, peer-graded, or instructor-graded.
message = _('Unable to submit your submission to the grader. Please try again later.')
log.error("Unable to submit to grader. location: {0}, error_message: {1}".format(
self.location_string, error_message
))
return (success, message)
def message_post(self, data, system):
"""
Handles a student message post (a reaction to the grade they received from an open ended grader type)
Returns a boolean success/fail and an error message
"""
event_info = dict()
event_info['problem_id'] = self.location_string
event_info['student_id'] = system.anonymous_student_id
event_info['survey_responses'] = data
_ = self.system.service(self, "i18n").ugettext
survey_responses = event_info['survey_responses']
for tag in ['feedback', 'submission_id', 'grader_id', 'score']:
if tag not in survey_responses:
# This is a student_facing_error
return {
'success': False,
# Translators: 'tag' is one of 'feedback', 'submission_id',
# 'grader_id', or 'score'. They are categories that a student
# responds to when filling out a post-assessment survey
# of his or her grade from an openended problem.
'msg': _("Could not find needed tag {tag_name} in the "
"survey responses. Please try submitting "
"again.").format(tag_name=tag)
}
try:
submission_id = int(survey_responses['submission_id'])
grader_id = int(survey_responses['grader_id'])
feedback = str(survey_responses['feedback'].encode('ascii', 'ignore'))
score = int(survey_responses['score'])
except:
# This is a dev_facing_error
error_message = (
"Could not parse submission id, grader id, "
"or feedback from message_post ajax call. "
"Here is the message data: {0}".format(survey_responses)
)
log.exception(error_message)
# This is a student_facing_error
return {
'success': False,
'msg': _(
"There was an error saving your feedback. Please "
"contact course staff."
)
}
xqueue = system.get('xqueue')
if xqueue is None:
return {'success': False, 'msg': _("Couldn't submit feedback.")}
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(UTC), xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
queuekey = xqueue_interface.make_hashkey(str(system.seed) + qtime +
anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.message_queue_name
)
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
contents = {
'feedback': feedback,
'submission_id': submission_id,
'grader_id': grader_id,
'score': score,
'student_info': json.dumps(student_info),
}
error, error_message = qinterface.send_to_queue(
header=xheader,
body=json.dumps(contents)
)
# Convert error to a success value
success = True
message = _("Successfully saved your feedback.")
if error:
success = False
message = _("Unable to save your feedback. Please try again later.")
log.error("Unable to send feedback to grader. location: {0}, error_message: {1}".format(
self.location_string, error_message
))
else:
self.child_state = self.DONE
# This is a student_facing_message
return {'success': success, 'msg': message}
def add_cert(self, student, course_id, course=None):
"""
Arguments:
student - User.object
course_id - courseenrollment.course_id (string)
Request a new certificate for a student.
Will change the certificate status to 'generating'.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status
"""
VALID_STATUSES = [status.generating,
status.unavailable,
status.deleted,
status.error,
status.notpassing]
cert_status = certificate_status_for_student(student, course_id)['status']
new_status = cert_status
if cert_status in VALID_STATUSES:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = courses.get_course_by_id(course_id)
profile = UserProfile.objects.get(user=student)
# Needed
self.request.user = student
self.request.session = {}
grade = grades.grade(student, self.request, course)
is_whitelisted = self.whitelist.filter(
user=student, course_id=course_id, whitelist=True).exists()
enrollment_mode = CourseEnrollment.enrollment_mode_for_user(student, course_id)
mode_is_verified = (enrollment_mode == GeneratedCertificate.MODES.verified)
user_is_verified = SoftwareSecurePhotoVerification.user_is_verified(student)
user_is_reverified = SoftwareSecurePhotoVerification.user_is_reverified_for_all(course_id, student)
org = course_id.split('/')[0]
course_num = course_id.split('/')[1]
cert_mode = enrollment_mode
if (mode_is_verified and user_is_verified and user_is_reverified):
template_pdf = "certificate-template-{0}-{1}-verified.pdf".format(
org, course_num)
elif (mode_is_verified and not (user_is_verified and user_is_reverified)):
template_pdf = "certificate-template-{0}-{1}.pdf".format(
org, course_num)
cert_mode = GeneratedCertificate.MODES.honor
else:
# honor code and audit students
template_pdf = "certificate-template-{0}-{1}.pdf".format(
org, course_num)
cert, created = GeneratedCertificate.objects.get_or_create(
user=student, course_id=course_id)
cert.mode = cert_mode
cert.user = student
cert.grade = grade['percent']
cert.course_id = course_id
cert.name = profile.name
if is_whitelisted or grade['grade'] is not None:
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
new_status = status.restricted
cert.status = new_status
cert.save()
else:
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id,
'name': profile.name,
'grade': grade['grade'],
'template_pdf': template_pdf,
}
new_status = status.generating
cert.status = new_status
cert.save()
self._send_to_xqueue(contents, key)
else:
new_status = status.notpassing
cert.status = new_status
cert.save()
return new_status
def add_cert(self, student, course_id, course=None, forced_grade=None, template_file=None,
title='None', generate_pdf=True):
"""
Request a new certificate for a student.
Arguments:
student - User.object
course_id - courseenrollment.course_id (CourseKey)
forced_grade - a string indicating a grade parameter to pass with
the certificate request. If this is given, grading
will be skipped.
generate_pdf - Boolean should a message be sent in queue to generate certificate PDF
Will change the certificate status to 'generating' or
`downloadable` in case of web view certificates.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will be made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status and newly created certificate instance
"""
valid_statuses = [
status.generating,
status.unavailable,
status.deleted,
status.error,
status.notpassing,
status.downloadable
]
cert_status = certificate_status_for_student(student, course_id)['status']
new_status = cert_status
cert = None
if cert_status not in valid_statuses:
LOGGER.warning(
(
u"Cannot create certificate generation task for user %s "
u"in the course '%s'; "
u"the certificate status '%s' is not one of %s."
),
student.id,
unicode(course_id),
cert_status,
unicode(valid_statuses)
)
else:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = modulestore().get_course(course_id, depth=0)
profile = UserProfile.objects.get(user=student)
profile_name = profile.name
# Needed
self.request.user = student
self.request.session = {}
course_name = course.display_name or unicode(course_id)
is_whitelisted = self.whitelist.filter(user=student, course_id=course_id, whitelist=True).exists()
grade = grades.grade(student, self.request, course)
enrollment_mode, __ = CourseEnrollment.enrollment_mode_for_user(student, course_id)
mode_is_verified = enrollment_mode in GeneratedCertificate.VERIFIED_CERTS_MODES
user_is_verified = SoftwareSecurePhotoVerification.user_is_verified(student)
cert_mode = enrollment_mode
# For credit mode generate verified certificate
if cert_mode == CourseMode.CREDIT_MODE:
cert_mode = CourseMode.VERIFIED
if mode_is_verified and user_is_verified:
template_pdf = "certificate-template-{id.org}-{id.course}-verified.pdf".format(id=course_id)
elif mode_is_verified and not user_is_verified:
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(id=course_id)
cert_mode = GeneratedCertificate.MODES.honor
else:
# honor code and audit students
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(id=course_id)
if forced_grade:
grade['grade'] = forced_grade
cert, __ = GeneratedCertificate.objects.get_or_create(user=student, course_id=course_id)
cert.mode = cert_mode
cert.user = student
cert.grade = grade['percent']
cert.course_id = course_id
cert.name = profile_name
cert.download_url = ''
# Strip HTML from grade range label
grade_contents = grade.get('grade', None)
try:
grade_contents = lxml.html.fromstring(grade_contents).text_content()
except (TypeError, XMLSyntaxError, ParserError) as exc:
LOGGER.info(
(
u"Could not retrieve grade for student %s "
u"in the course '%s' "
u"because an exception occurred while parsing the "
u"grade contents '%s' as HTML. "
u"The exception was: '%s'"
),
student.id,
unicode(course_id),
grade_contents,
unicode(exc)
)
# Despite blowing up the xml parser, bad values here are fine
grade_contents = None
if is_whitelisted or grade_contents is not None:
if is_whitelisted:
LOGGER.info(
u"Student %s is whitelisted in '%s'",
student.id,
unicode(course_id)
)
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
new_status = status.restricted
cert.status = new_status
cert.save()
LOGGER.info(
(
u"Student %s is in the embargoed country restricted "
u"list, so their certificate status has been set to '%s' "
u"for the course '%s'. "
u"No certificate generation task was sent to the XQueue."
),
student.id,
new_status,
unicode(course_id)
)
else:
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': unicode(course_id),
'course_name': course_name,
'name': profile_name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
if template_file:
contents['template_pdf'] = template_file
if generate_pdf:
new_status = status.generating
else:
new_status = status.downloadable
cert.verify_uuid = uuid4().hex
cert.status = new_status
cert.save()
if generate_pdf:
try:
self._send_to_xqueue(contents, key)
except XQueueAddToQueueError as exc:
new_status = ExampleCertificate.STATUS_ERROR
cert.status = new_status
cert.error_reason = unicode(exc)
cert.save()
LOGGER.critical(
(
u"Could not add certificate task to XQueue. "
u"The course was '%s' and the student was '%s'."
u"The certificate task status has been marked as 'error' "
u"and can be re-submitted with a management command."
), course_id, student.id
)
else:
LOGGER.info(
(
u"The certificate status has been set to '%s'. "
u"Sent a certificate grading task to the XQueue "
u"with the key '%s'. "
),
new_status,
key
)
else:
new_status = status.notpassing
cert.status = new_status
cert.save()
LOGGER.info(
(
u"Student %s does not have a grade for '%s', "
u"so their certificate status has been set to '%s'. "
u"No certificate generation task was sent to the XQueue."
),
student.id,
unicode(course_id),
new_status
)
return new_status, cert
def make_certificate_hash_key():
return make_hashkey(random.random())
def message_post(self, data, system):
"""
Handles a student message post (a reaction to the grade they received from an open ended grader type)
Returns a boolean success/fail and an error message
"""
event_info = dict()
event_info['problem_id'] = self.location_string
event_info['student_id'] = system.anonymous_student_id
event_info['survey_responses'] = data
survey_responses = event_info['survey_responses']
for tag in ['feedback', 'submission_id', 'grader_id', 'score']:
if tag not in survey_responses:
# This is a student_facing_error
return {'success': False,
'msg': "Could not find needed tag {0} in the survey responses. Please try submitting again.".format(
tag)}
try:
submission_id = int(survey_responses['submission_id'])
grader_id = int(survey_responses['grader_id'])
feedback = str(survey_responses['feedback'].encode('ascii', 'ignore'))
score = int(survey_responses['score'])
except:
# This is a dev_facing_error
error_message = (
"Could not parse submission id, grader id, "
"or feedback from message_post ajax call. "
"Here is the message data: {0}".format(survey_responses)
)
log.exception(error_message)
# This is a student_facing_error
return {'success': False, 'msg': "There was an error saving your feedback. Please contact course staff."}
xqueue = system.get('xqueue')
if xqueue is None:
return {'success': False, 'msg': "Couldn't submit feedback."}
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(UTC), xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
queuekey = xqueue_interface.make_hashkey(str(system.seed) + qtime +
anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.message_queue_name
)
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
contents = {
'feedback': feedback,
'submission_id': submission_id,
'grader_id': grader_id,
'score': score,
'student_info': json.dumps(student_info),
}
(error, msg) = qinterface.send_to_queue(
header=xheader,
body=json.dumps(contents)
)
# Convert error to a success value
success = True
if error:
success = False
self.child_state = self.DONE
# This is a student_facing_message
return {'success': success, 'msg': "Successfully submitted your feedback."}
def add_cert(self,
student,
course_id,
course=None,
forced_grade=None,
template_file=None,
title='None',
generate_pdf=True):
"""
Request a new certificate for a student.
Arguments:
student - User.object
course_id - courseenrollment.course_id (CourseKey)
forced_grade - a string indicating a grade parameter to pass with
the certificate request. If this is given, grading
will be skipped.
generate_pdf - Boolean should a message be sent in queue to generate certificate PDF
Will change the certificate status to 'generating' or
`downloadable` in case of web view certificates.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will be made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status and newly created certificate instance
"""
valid_statuses = [
status.generating, status.unavailable, status.deleted,
status.error, status.notpassing, status.downloadable
]
cert_status = certificate_status_for_student(student,
course_id)['status']
new_status = cert_status
cert = None
if cert_status not in valid_statuses:
LOGGER.warning(
(u"Cannot create certificate generation task for user %s "
u"in the course '%s'; "
u"the certificate status '%s' is not one of %s."), student.id,
unicode(course_id), cert_status, unicode(valid_statuses))
else:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = modulestore().get_course(course_id, depth=0)
profile = UserProfile.objects.get(user=student)
profile_name = profile.name
# Needed
self.request.user = student
self.request.session = {}
course_name = course.display_name or unicode(course_id)
is_whitelisted = self.whitelist.filter(user=student,
course_id=course_id,
whitelist=True).exists()
grade = grades.grade(student, self.request, course)
enrollment_mode, __ = CourseEnrollment.enrollment_mode_for_user(
student, course_id)
mode_is_verified = (
enrollment_mode == GeneratedCertificate.MODES.verified)
user_is_verified = SoftwareSecurePhotoVerification.user_is_verified(
student)
cert_mode = enrollment_mode
if mode_is_verified and user_is_verified:
template_pdf = "certificate-template-{id.org}-{id.course}-verified.pdf".format(
id=course_id)
elif mode_is_verified and not user_is_verified:
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(
id=course_id)
cert_mode = GeneratedCertificate.MODES.honor
else:
# honor code and audit students
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(
id=course_id)
if forced_grade:
grade['grade'] = forced_grade
cert, __ = GeneratedCertificate.objects.get_or_create(
user=student, course_id=course_id)
cert.mode = cert_mode
cert.user = student
cert.grade = grade['percent']
cert.course_id = course_id
cert.name = profile_name
cert.download_url = ''
# Strip HTML from grade range label
grade_contents = grade.get('grade', None)
try:
grade_contents = lxml.html.fromstring(
grade_contents).text_content()
except (TypeError, XMLSyntaxError, ParserError) as exc:
LOGGER.info(
(u"Could not retrieve grade for student %s "
u"in the course '%s' "
u"because an exception occurred while parsing the "
u"grade contents '%s' as HTML. "
u"The exception was: '%s'"), student.id,
unicode(course_id), grade_contents, unicode(exc))
# Despite blowing up the xml parser, bad values here are fine
grade_contents = None
if is_whitelisted or grade_contents is not None:
if is_whitelisted:
LOGGER.info(u"Student %s is whitelisted in '%s'",
student.id, unicode(course_id))
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
new_status = status.restricted
cert.status = new_status
cert.save()
LOGGER.info((
u"Student %s is in the embargoed country restricted "
u"list, so their certificate status has been set to '%s' "
u"for the course '%s'. "
u"No certificate generation task was sent to the XQueue."
), student.id, new_status, unicode(course_id))
else:
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': unicode(course_id),
'course_name': course_name,
'name': profile_name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
if template_file:
contents['template_pdf'] = template_file
if generate_pdf:
new_status = status.generating
else:
new_status = status.downloadable
cert.verify_uuid = uuid4().hex
cert.status = new_status
cert.save()
if generate_pdf:
try:
self._send_to_xqueue(contents, key)
except XQueueAddToQueueError as exc:
new_status = ExampleCertificate.STATUS_ERROR
cert.status = new_status
cert.error_reason = unicode(exc)
cert.save()
LOGGER.critical((
u"Could not add certificate task to XQueue. "
u"The course was '%s' and the student was '%s'."
u"The certificate task status has been marked as 'error' "
u"and can be re-submitted with a management command."
), course_id, student.id)
else:
LOGGER.info((
u"The certificate status has been set to '%s'. "
u"Sent a certificate grading task to the XQueue "
u"with the key '%s'. "), new_status, key)
else:
new_status = status.notpassing
cert.status = new_status
cert.save()
LOGGER.info((
u"Student %s does not have a grade for '%s', "
u"so their certificate status has been set to '%s'. "
u"No certificate generation task was sent to the XQueue."),
student.id, unicode(course_id), new_status)
return new_status, cert
def make_certificate_hash_key():
return make_hashkey(random.random())
def message_post(self, data, system):
"""
Handles a student message post (a reaction to the grade they received from an open ended grader type)
Returns a boolean success/fail and an error message
"""
event_info = dict()
event_info['problem_id'] = self.location_string
event_info['student_id'] = system.anonymous_student_id
event_info['survey_responses'] = data
_ = self.system.service(self, "i18n").ugettext
survey_responses = event_info['survey_responses']
for tag in ['feedback', 'submission_id', 'grader_id', 'score']:
if tag not in survey_responses:
# This is a student_facing_error
return {
'success':
False,
# Translators: 'tag' is one of 'feedback', 'submission_id',
# 'grader_id', or 'score'. They are categories that a student
# responds to when filling out a post-assessment survey
# of his or her grade from an openended problem.
'msg':
_("Could not find needed tag {tag_name} in the "
"survey responses. Please try submitting "
"again.").format(tag_name=tag)
}
try:
submission_id = int(survey_responses['submission_id'])
grader_id = int(survey_responses['grader_id'])
feedback = str(survey_responses['feedback'].encode(
'ascii', 'ignore'))
score = int(survey_responses['score'])
except:
# This is a dev_facing_error
error_message = (
"Could not parse submission id, grader id, "
"or feedback from message_post ajax call. "
"Here is the message data: {0}".format(survey_responses))
log.exception(error_message)
# This is a student_facing_error
return {
'success':
False,
'msg':
_("There was an error saving your feedback. Please "
"contact course staff.")
}
xqueue = system.get('xqueue')
if xqueue is None:
return {'success': False, 'msg': _("Couldn't submit feedback.")}
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(UTC),
xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
queuekey = xqueue_interface.make_hashkey(
str(system.seed) + qtime + anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.message_queue_name)
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
contents = {
'feedback': feedback,
'submission_id': submission_id,
'grader_id': grader_id,
'score': score,
'student_info': json.dumps(student_info),
}
error, error_message = qinterface.send_to_queue(
header=xheader, body=json.dumps(contents))
# Convert error to a success value
success = True
message = _("Successfully saved your feedback.")
if error:
success = False
message = _(
"Unable to save your feedback. Please try again later.")
log.error(
"Unable to send feedback to grader. location: {0}, error_message: {1}"
.format(self.location_string, error_message))
else:
self.child_state = self.DONE
# This is a student_facing_message
return {'success': success, 'msg': message}
def add_cert(self, student, course_id, course=None, forced_grade=None, template_file=None, title='None'):
"""
Request a new certificate for a student.
Arguments:
student - User.object
course_id - courseenrollment.course_id (CourseKey)
forced_grade - a string indicating a grade parameter to pass with
the certificate request. If this is given, grading
will be skipped.
Will change the certificate status to 'generating'.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will be made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status
"""
valid_statuses = [
status.generating,
status.unavailable,
status.deleted,
status.error,
status.notpassing
]
cert_status = certificate_status_for_student(student, course_id)['status']
new_status = cert_status
if cert_status not in valid_statuses:
LOGGER.warning(
(
u"Cannot create certificate generation task for user %s "
u"in the course '%s'; "
u"the certificate status '%s' is not one of %s."
),
student.id,
unicode(course_id),
cert_status,
unicode(valid_statuses)
)
else:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = courses.get_course_by_id(course_id)
profile = UserProfile.objects.get(user=student)
profile_name = profile.name
# Needed
self.request.user = student
self.request.session = {}
course_name = course.display_name or course_id.to_deprecated_string()
is_whitelisted = self.whitelist.filter(user=student, course_id=course_id, whitelist=True).exists()
grade = grades.grade(student, self.request, course)
enrollment_mode, __ = CourseEnrollment.enrollment_mode_for_user(student, course_id)
mode_is_verified = (enrollment_mode == GeneratedCertificate.MODES.verified)
user_is_verified = SoftwareSecurePhotoVerification.user_is_verified(student)
user_is_reverified = SoftwareSecurePhotoVerification.user_is_reverified_for_all(course_id, student)
cert_mode = enrollment_mode
if (mode_is_verified and user_is_verified and user_is_reverified):
template_pdf = "certificate-template-{id.org}-{id.course}-verified.pdf".format(id=course_id)
elif (mode_is_verified and not (user_is_verified and user_is_reverified)):
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(id=course_id)
cert_mode = GeneratedCertificate.MODES.honor
else:
# honor code and audit students
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(id=course_id)
if forced_grade:
grade['grade'] = forced_grade
cert, __ = GeneratedCertificate.objects.get_or_create(user=student, course_id=course_id)
cert.mode = cert_mode
cert.user = student
cert.grade = grade['percent']
cert.course_id = course_id
cert.name = profile_name
# Strip HTML from grade range label
grade_contents = grade.get('grade', None)
try:
grade_contents = lxml.html.fromstring(grade_contents).text_content()
except (TypeError, XMLSyntaxError, ParserError) as exc:
LOGGER.info(
(
u"Could not retrieve grade for student %s "
u"in the course '%s' "
u"because an exception occurred while parsing the "
u"grade contents '%s' as HTML. "
u"The exception was: '%s'"
),
student.id,
unicode(course_id),
grade_contents,
unicode(exc)
)
# Despite blowing up the xml parser, bad values here are fine
grade_contents = None
if is_whitelisted or grade_contents is not None:
if is_whitelisted:
LOGGER.info(
u"Student %s is whitelisted in '%s'",
student.id,
unicode(course_id)
)
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
new_status = status.restricted
cert.status = new_status
cert.save()
LOGGER.info(
(
u"Student %s is in the embargoed country restricted "
u"list, so their certificate status has been set to '%s' "
u"for the course '%s'. "
u"No certificate generation task was sent to the XQueue."
),
student.id,
new_status,
unicode(course_id)
)
else:
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id.to_deprecated_string(),
'course_name': course_name,
'name': profile_name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
if template_file:
contents['template_pdf'] = template_file
new_status = status.generating
cert.status = new_status
cert.save()
self._send_to_xqueue(contents, key)
LOGGER.info(
(
u"The certificate status has been set to '%s'. "
u"Sent a certificate grading task to the XQueue "
u"with the key '%s'. "
),
key,
new_status
)
else:
cert_status = status.notpassing
cert.status = cert_status
cert.save()
LOGGER.info(
(
u"Student %s does not have a grade for '%s', "
u"so their certificate status has been set to '%s'. "
u"No certificate generation task was sent to the XQueue."
),
student.id,
unicode(course_id),
cert_status
)
return new_status
def add_cert(self,
student,
course_id,
course=None,
forced_grade=None,
template_file=None,
title='None'):
"""
Request a new certificate for a student.
Arguments:
student - User.object
course_id - courseenrollment.course_id (CourseKey)
forced_grade - a string indicating a grade parameter to pass with
the certificate request. If this is given, grading
will be skipped.
Will change the certificate status to 'generating'.
Certificate must be in the 'unavailable', 'error',
'deleted' or 'generating' state.
If a student has a passing grade or is in the whitelist
table for the course a request will be made for a new cert.
If a student has allow_certificate set to False in the
userprofile table the status will change to 'restricted'
If a student does not have a passing grade the status
will change to status.notpassing
Returns the student's status
"""
VALID_STATUSES = [
status.generating, status.unavailable, status.deleted,
status.error, status.notpassing
]
cert_status = certificate_status_for_student(student,
course_id)['status']
new_status = cert_status
if cert_status in VALID_STATUSES:
# grade the student
# re-use the course passed in optionally so we don't have to re-fetch everything
# for every student
if course is None:
course = courses.get_course_by_id(course_id)
profile = UserProfile.objects.get(user=student)
profile_name = profile.name
# Needed
self.request.user = student
self.request.session = {}
course_name = course.display_name or course_id.to_deprecated_string(
)
is_whitelisted = self.whitelist.filter(user=student,
course_id=course_id,
whitelist=True).exists()
grade = grades.grade(student, self.request, course)
enrollment_mode, __ = CourseEnrollment.enrollment_mode_for_user(
student, course_id)
mode_is_verified = (
enrollment_mode == GeneratedCertificate.MODES.verified)
user_is_verified = SoftwareSecurePhotoVerification.user_is_verified(
student)
user_is_reverified = SoftwareSecurePhotoVerification.user_is_reverified_for_all(
course_id, student)
cert_mode = enrollment_mode
if (mode_is_verified and user_is_verified and user_is_reverified):
template_pdf = "certificate-template-{id.org}-{id.course}-verified.pdf".format(
id=course_id)
elif (mode_is_verified
and not (user_is_verified and user_is_reverified)):
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(
id=course_id)
cert_mode = GeneratedCertificate.MODES.honor
else:
# honor code and audit students
template_pdf = "certificate-template-{id.org}-{id.course}.pdf".format(
id=course_id)
if forced_grade:
grade['grade'] = forced_grade
cert, __ = GeneratedCertificate.objects.get_or_create(
user=student, course_id=course_id)
cert.mode = cert_mode
cert.user = student
cert.grade = grade['percent']
cert.course_id = course_id
cert.name = profile_name
# Strip HTML from grade range label
grade_contents = grade.get('grade', None)
try:
grade_contents = lxml.html.fromstring(
grade_contents).text_content()
except (TypeError, XMLSyntaxError, ParserError) as e:
# Despite blowing up the xml parser, bad values here are fine
grade_contents = None
if is_whitelisted or grade_contents is not None:
# check to see whether the student is on the
# the embargoed country restricted list
# otherwise, put a new certificate request
# on the queue
if self.restricted.filter(user=student).exists():
new_status = status.restricted
cert.status = new_status
cert.save()
else:
key = make_hashkey(random.random())
cert.key = key
contents = {
'action': 'create',
'username': student.username,
'course_id': course_id.to_deprecated_string(),
'course_name': course_name,
'name': profile_name,
'grade': grade_contents,
'template_pdf': template_pdf,
}
if template_file:
contents['template_pdf'] = template_file
new_status = status.generating
cert.status = new_status
cert.save()
self._send_to_xqueue(contents, key)
else:
cert_status = status.notpassing
cert.status = cert_status
cert.save()
return new_status
def send_to_grader(self, submission, system):
"""
Send a given submission to the grader, via the xqueue
@param submission: The student submission to send to the grader
@param system: Modulesystem
@return: Boolean true (not useful right now)
"""
# Prepare xqueue request
#------------------------------------------------------------
xqueue = system.get('xqueue')
if xqueue is None:
return False
qinterface = xqueue['interface']
qtime = datetime.strftime(datetime.now(UTC),
xqueue_interface.dateformat)
anonymous_student_id = system.anonymous_student_id
# Generate header
queuekey = xqueue_interface.make_hashkey(
str(system.seed) + qtime + anonymous_student_id +
str(len(self.child_history)))
xheader = xqueue_interface.make_xheader(
lms_callback_url=xqueue['construct_callback'](),
lms_key=queuekey,
queue_name=self.queue_name)
contents = self.payload.copy()
# Metadata related to the student submission revealed to the external grader
student_info = {
'anonymous_student_id': anonymous_student_id,
'submission_time': qtime,
}
# Update contents with student response and student info
contents.update({
'student_info': json.dumps(student_info),
'student_response': submission,
'max_score': self.max_score(),
})
# Submit request. When successful, 'msg' is the prior length of the queue
error, error_message = qinterface.send_to_queue(
header=xheader, body=json.dumps(contents))
# State associated with the queueing request
queuestate = {
'key': queuekey,
'time': qtime,
}
_ = self.system.service(self, "i18n").ugettext
success = True
message = _("Successfully saved your submission.")
if error:
success = False
# Translators: the `grader` refers to the grading service open response problems
# are sent to, either to be machine-graded, peer-graded, or instructor-graded.
message = _(
'Unable to submit your submission to the grader. Please try again later.'
)
log.error(
"Unable to submit to grader. location: {0}, error_message: {1}"
.format(self.location_string, error_message))
return (success, message)
