Python ScoresClient.create_for_locations方法代码示例

# 需要导入模块: from courseware.model_data import ScoresClient [as 别名]
# 或者: from courseware.model_data.ScoresClient import create_for_locations [as 别名]
 def _csm_scores(self):
     """
     Lazily queries and returns all the scores stored in the user
     state (in CSM) for the course, while caching the result.
     """
     scorable_locations = [block_key for block_key in self.course_structure if possibly_scored(block_key)]
     return ScoresClient.create_for_locations(self.course.id, self.student.id, scorable_locations)

# 需要导入模块: from courseware.model_data import ScoresClient [as 别名]
# 或者: from courseware.model_data.ScoresClient import create_for_locations [as 别名]
def _grade(student, course, keep_raw_scores, course_structure=None):
    """
    Unwrapped version of "grade"

    This grades a student as quickly as possible. It returns the
    output from the course grader, augmented with the final letter
    grade. The keys in the output are:

    - course: a CourseDescriptor
    - keep_raw_scores : if True, then value for key 'raw_scores' contains scores
      for every graded module

    More information on the format is in the docstring for CourseGrader.
    """
    if course_structure is None:
        course_structure = get_course_blocks(student, course.location)
    grading_context_result = grading_context(course_structure)
    scorable_locations = [block.location for block in grading_context_result['all_graded_blocks']]

    with outer_atomic():
        scores_client = ScoresClient.create_for_locations(course.id, student.id, scorable_locations)

    # Dict of item_ids -> (earned, possible) point tuples. This *only* grabs
    # scores that were registered with the submissions API, which for the moment
    # means only openassessment (edx-ora2)
    # We need to import this here to avoid a circular dependency of the form:
    # XBlock --> submissions --> Django Rest Framework error strings -->
    # Django translation --> ... --> courseware --> submissions
    from submissions import api as sub_api  # installed from the edx-submissions repository

    with outer_atomic():
        submissions_scores = sub_api.get_scores(
            course.id.to_deprecated_string(),
            anonymous_id_for_user(student, course.id)
        )

    totaled_scores, raw_scores = _calculate_totaled_scores(
        student, grading_context_result, submissions_scores, scores_client, keep_raw_scores
    )

    with outer_atomic():
        # Grading policy might be overriden by a CCX, need to reset it
        course.set_grading_policy(course.grading_policy)
        grade_summary = course.grader.grade(totaled_scores, generate_random_scores=settings.GENERATE_PROFILE_SCORES)

        # We round the grade here, to make sure that the grade is a whole percentage and
        # doesn't get displayed differently than it gets grades
        grade_summary['percent'] = round(grade_summary['percent'] * 100 + 0.05) / 100

        letter_grade = grade_for_percentage(course.grade_cutoffs, grade_summary['percent'])
        grade_summary['grade'] = letter_grade
        grade_summary['totaled_scores'] = totaled_scores   # make this available, eg for instructor download & debugging
        if keep_raw_scores:
            # way to get all RAW scores out to instructor
            # so grader can be double-checked
            grade_summary['raw_scores'] = raw_scores

    return grade_summary

# 需要导入模块: from courseware.model_data import ScoresClient [as 别名]
# 或者: from courseware.model_data.ScoresClient import create_for_locations [as 别名]
 def _prefetch_scores(self, course_structure, course):
     """
     Returns the prefetched scores for the given student and course.
     """
     if not self._scores_client:
         scorable_locations = [block_key for block_key in course_structure if possibly_scored(block_key)]
         self._scores_client = ScoresClient.create_for_locations(
             course.id, self.student.id, scorable_locations
         )
         self._submissions_scores = submissions_api.get_scores(
             unicode(course.id), anonymous_id_for_user(self.student, course.id)
         )

# 需要导入模块: from courseware.model_data import ScoresClient [as 别名]
# 或者: from courseware.model_data.ScoresClient import create_for_locations [as 别名]
def _progress_summary(student, course, course_structure=None):
    """
    Unwrapped version of "progress_summary".

    This pulls a summary of all problems in the course.

    Returns
    - courseware_summary is a summary of all sections with problems in the course.
    It is organized as an array of chapters, each containing an array of sections,
    each containing an array of scores. This contains information for graded and
    ungraded problems, and is good for displaying a course summary with due dates,
    etc.
    - None if the student does not have access to load the course module.

    Arguments:
        student: A User object for the student to grade
        course: A Descriptor containing the course to grade

    """
    if course_structure is None:
        course_structure = get_course_blocks(student, course.location)
    if not len(course_structure):
        return None
    scorable_locations = [block_key for block_key in course_structure if possibly_scored(block_key)]

    with outer_atomic():
        scores_client = ScoresClient.create_for_locations(course.id, student.id, scorable_locations)

    # We need to import this here to avoid a circular dependency of the form:
    # XBlock --> submissions --> Django Rest Framework error strings -->
    # Django translation --> ... --> courseware --> submissions
    from submissions import api as sub_api  # installed from the edx-submissions repository
    with outer_atomic():
        submissions_scores = sub_api.get_scores(
            unicode(course.id), anonymous_id_for_user(student, course.id)
        )

    # Check for gated content
    gated_content = gating_api.get_gated_content(course, student)

    chapters = []
    locations_to_weighted_scores = {}

    for chapter_key in course_structure.get_children(course_structure.root_block_usage_key):
        chapter = course_structure[chapter_key]
        sections = []
        for section_key in course_structure.get_children(chapter_key):
            if unicode(section_key) in gated_content:
                continue

            section = course_structure[section_key]

            graded = getattr(section, 'graded', False)
            scores = []

            for descendant_key in course_structure.post_order_traversal(
                    filter_func=possibly_scored,
                    start_node=section_key,
            ):
                descendant = course_structure[descendant_key]

                (correct, total) = get_score(
                    student,
                    descendant,
                    scores_client,
                    submissions_scores,
                )
                if correct is None and total is None:
                    continue

                weighted_location_score = Score(
                    correct,
                    total,
                    graded,
                    block_metadata_utils.display_name_with_default_escaped(descendant),
                    descendant.location
                )

                scores.append(weighted_location_score)
                locations_to_weighted_scores[descendant.location] = weighted_location_score

            escaped_section_name = block_metadata_utils.display_name_with_default_escaped(section)
            section_total, _ = graders.aggregate_scores(scores, escaped_section_name)

            sections.append({
                'display_name': escaped_section_name,
                'url_name': block_metadata_utils.url_name_for_block(section),
                'scores': scores,
                'section_total': section_total,
                'format': getattr(section, 'format', ''),
                'due': getattr(section, 'due', None),
                'graded': graded,
            })

        chapters.append({
            'course': course.display_name_with_default_escaped,
            'display_name': block_metadata_utils.display_name_with_default_escaped(chapter),
            'url_name': block_metadata_utils.url_name_for_block(chapter),
            'sections': sections
        })
#.........这里部分代码省略.........