Python Location.from_deprecated_string方法代码示例

# 需要导入模块: from xmodule.modulestore import Location [as 别名]
# 或者: from xmodule.modulestore.Location import from_deprecated_string [as 别名]
def get_students_problem_grades(request, csv=False):
    """
    Get a list of students and grades for a particular problem.
    If 'csv' is False, returns a dict of student's name: username: grade: percent.

    If 'csv' is True, returns a header array, and an array of arrays in the format:
    student names, usernames, grades, percents for CSV download.
    """
    module_state_key = Location.from_deprecated_string(request.GET.get('module_id'))
    csv = request.GET.get('csv')

    # Query for "problem grades" students
    students = models.StudentModule.objects.select_related('student').filter(
        module_state_key=module_state_key,
        module_type__exact='problem',
        grade__isnull=False,
    ).values('student__username', 'student__profile__name', 'grade', 'max_grade').order_by('student__profile__name')

    results = []
    if not csv:
        # Restrict screen list length
        # Adding 1 so can tell if list is larger than MAX_SCREEN_LIST_LENGTH
        # without doing another select.
        for student in students[0:MAX_SCREEN_LIST_LENGTH + 1]:
            student_dict = {
                'name': student['student__profile__name'],
                'username': student['student__username'],
                'grade': student['grade'],
            }

            student_dict['percent'] = 0
            if student['max_grade'] > 0:
                student_dict['percent'] = round(student['grade'] * 100 / student['max_grade'])
            results.append(student_dict)

        max_exceeded = False
        if len(results) > MAX_SCREEN_LIST_LENGTH:
            # Remove the last item so list length is exactly MAX_SCREEN_LIST_LENGTH
            del results[-1]
            max_exceeded = True

        response_payload = {
            'results': results,
            'max_exceeded': max_exceeded,
        }
        return JsonResponse(response_payload)
    else:
        tooltip = request.GET.get('tooltip')
        filename = sanitize_filename(tooltip[:tooltip.rfind(' - ')])

        header = [_("Name").encode('utf-8'), _("Username").encode('utf-8'), _("Grade").encode('utf-8'), _("Percent").encode('utf-8')]
        for student in students:

            percent = 0
            if student['max_grade'] > 0:
                percent = round(student['grade'] * 100 / student['max_grade'])
            results.append([student['student__profile__name'], student['student__username'], student['grade'], percent])

        response = create_csv_response(filename, header, results)
        return response

# 需要导入模块: from xmodule.modulestore import Location [as 别名]
# 或者: from xmodule.modulestore.Location import from_deprecated_string [as 别名]
def get_students_opened_subsection(request, csv=False):
    """
    Get a list of students that opened a particular subsection.
    If 'csv' is False, returns a dict of student's name: username.

    If 'csv' is True, returns a header array, and an array of arrays in the format:
    student names, usernames for CSV download.
    """
    module_state_key = Location.from_deprecated_string(request.GET.get('module_id'))
    csv = request.GET.get('csv')

    # Query for "opened a subsection" students
    students = models.StudentModule.objects.select_related('student').filter(
        module_state_key__exact=module_state_key,
        module_type__exact='sequential',
    ).values('student__username', 'student__profile__name').order_by('student__profile__name')

    results = []
    if not csv:
        # Restrict screen list length
        # Adding 1 so can tell if list is larger than MAX_SCREEN_LIST_LENGTH
        # without doing another select.
        for student in students[0:MAX_SCREEN_LIST_LENGTH + 1]:
            results.append({
                'name': student['student__profile__name'],
                'username': student['student__username'],
            })

        max_exceeded = False
        if len(results) > MAX_SCREEN_LIST_LENGTH:
            # Remove the last item so list length is exactly MAX_SCREEN_LIST_LENGTH
            del results[-1]
            max_exceeded = True
        response_payload = {
            'results': results,
            'max_exceeded': max_exceeded,
        }
        return JsonResponse(response_payload)
    else:
        tooltip = request.GET.get('tooltip')

        # Subsection name is everything after 3rd space in tooltip
        filename = sanitize_filename(' '.join(tooltip.split(' ')[3:]))

        header = [_("Name").encode('utf-8'), _("Username").encode('utf-8')]
        for student in students:
            results.append([student['student__profile__name'], student['student__username']])

        response = create_csv_response(filename, header, results)
        return response

# 需要导入模块: from xmodule.modulestore import Location [as 别名]
# 或者: from xmodule.modulestore.Location import from_deprecated_string [as 别名]
def _get_course_child(request, user, course_key, content_id, load_content=False):
    """
    Return a course xmodule/xblock to the caller
    """
    content_descriptor = None
    content_key = None
    content = None
    try:
        content_key = UsageKey.from_string(content_id)
    except InvalidKeyError:
        try:
            content_key = Location.from_deprecated_string(content_id)
        except (InvalidKeyError, InvalidLocationError):
            pass
    if content_key:
        store = modulestore()
        content_descriptor = store.get_item(content_key)
    if content_descriptor and load_content:
        field_data_cache = FieldDataCache([content_descriptor], course_key, user)
        content = module_render.get_module(user, request, content_key, field_data_cache, course_key)
    return content_descriptor, content_key, content