154 lines
5.3 KiB
Python
154 lines
5.3 KiB
Python
"""
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This file contains celery tasks for credit course views.
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"""
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from celery import shared_task
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from celery.utils.log import get_task_logger
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from django.conf import settings
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from edx_django_utils.monitoring import set_code_owner_attribute
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from opaque_keys import InvalidKeyError
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from opaque_keys.edx.keys import CourseKey, UsageKey
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from openedx.core.djangoapps.credit.api import set_credit_requirements
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from openedx.core.djangoapps.credit.exceptions import InvalidCreditRequirements
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from openedx.core.djangoapps.credit.models import CreditCourse
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from xmodule.modulestore.django import modulestore # lint-amnesty, pylint: disable=wrong-import-order
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from xmodule.modulestore.exceptions import ItemNotFoundError # lint-amnesty, pylint: disable=wrong-import-order
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LOGGER = get_task_logger(__name__)
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@shared_task(default_retry_delay=settings.CREDIT_TASK_DEFAULT_RETRY_DELAY, max_retries=settings.CREDIT_TASK_MAX_RETRIES)
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@set_code_owner_attribute
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def update_credit_course_requirements(course_id):
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"""
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Updates course requirements table for a course.
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Args:
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course_id(str): A string representation of course identifier
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Returns:
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None
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"""
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try:
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course_key = CourseKey.from_string(course_id)
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is_credit_course = CreditCourse.is_credit_course(course_key)
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if is_credit_course:
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requirements = _get_course_credit_requirements(course_key)
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set_credit_requirements(course_key, requirements)
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except (InvalidKeyError, ItemNotFoundError, InvalidCreditRequirements) as exc:
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LOGGER.error('Error on adding the requirements for course %s - %s', course_id, str(exc))
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raise update_credit_course_requirements.retry(args=[course_id], exc=exc)
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LOGGER.info('Requirements added for course %s', course_id)
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def _get_course_credit_requirements(course_key):
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"""
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Returns the list of credit requirements for the given course.
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This will also call into the edx-proctoring subsystem to also
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produce proctored exam requirements for credit bearing courses
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It returns the minimum_grade_credit and also the ICRV checkpoints
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if any were added in the course
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Args:
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course_key (CourseKey): Identifier for the course.
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Returns:
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List of credit requirements (dictionaries)
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"""
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min_grade_requirement = _get_min_grade_requirement(course_key)
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proctored_exams_requirements = _get_proctoring_requirements(course_key)
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sorted_exam_requirements = sorted(
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proctored_exams_requirements, key=lambda x: (x['start_date'] is None, x['start_date'], x['display_name'])
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)
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credit_requirements = (
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min_grade_requirement + sorted_exam_requirements
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)
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return credit_requirements
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def _get_min_grade_requirement(course_key):
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"""
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Get list of 'minimum_grade_credit' requirement for the given course.
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Args:
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course_key (CourseKey): Identifier for the course.
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Returns:
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The list of minimum_grade_credit requirements
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"""
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course = modulestore().get_course(course_key, depth=0)
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try:
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return [
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{
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"namespace": "grade",
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"name": "grade",
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"display_name": "Minimum Grade",
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"criteria": {
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"min_grade": course.minimum_grade_credit
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},
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}
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]
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except AttributeError:
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LOGGER.error("The course %s does not has minimum_grade_credit attribute", str(course.id))
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else:
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return []
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def _get_proctoring_requirements(course_key):
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"""
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Will return list of requirements regarding any exams that have been
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marked as proctored exams. For credit-bearing courses, all
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proctored exams must be validated and confirmed from a proctoring
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standpoint. The passing grade on an exam is not enough.
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Args:
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course_key: The key of the course in question
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Returns:
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list of requirements dictionary, one per active proctored exam
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"""
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# Note: Need to import here as there appears to be
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# a circular reference happening when launching Studio
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# process
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from edx_proctoring.api import get_all_exams_for_course
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requirements = []
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for exam in get_all_exams_for_course(str(course_key)):
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if exam['is_proctored'] and exam['is_active'] and not exam['is_practice_exam']:
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try:
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usage_key = UsageKey.from_string(exam['content_id'])
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proctor_block = modulestore().get_item(usage_key)
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except (InvalidKeyError, ItemNotFoundError):
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LOGGER.info("Invalid content_id '%s' for proctored block '%s'", exam['content_id'], exam['exam_name'])
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proctor_block = None
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if proctor_block:
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requirements.append(
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{
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'namespace': 'proctored_exam',
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'name': exam['content_id'],
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'display_name': exam['exam_name'],
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'start_date': proctor_block.start if proctor_block.start else None,
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'criteria': {},
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})
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if requirements:
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log_msg = (
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'Registering the following as \'proctored_exam\' credit requirements: {log_msg}'.format(
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log_msg=requirements
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)
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)
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LOGGER.info(log_msg)
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return requirements
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