Python html_module.AboutDescriptor类代码示例

def create_new_course(request):
    """
    Create a new course
    """
    if not is_user_in_creator_group(request.user):
        raise PermissionDenied()

    org = request.POST.get("org")
    number = request.POST.get("number")
    display_name = request.POST.get("display_name")

    try:
        dest_location = Location("i4x", org, number, "course", Location.clean(display_name))
    except InvalidLocationError as error:
        return JsonResponse(
            {"ErrMsg": "Unable to create course '{name}'.\n\n{err}".format(name=display_name, err=error.message)}
        )

    # see if the course already exists
    existing_course = None
    try:
        existing_course = modulestore("direct").get_item(dest_location)
    except ItemNotFoundError:
        pass
    if existing_course is not None:
        return JsonResponse({"ErrMsg": "There is already a course defined with this name."})

    course_search_location = ["i4x", dest_location.org, dest_location.course, "course", None]
    courses = modulestore().get_items(course_search_location)
    if len(courses) > 0:
        return JsonResponse(
            {"ErrMsg": "There is already a course defined with the same organization and course number."}
        )

    # instantiate the CourseDescriptor and then persist it
    # note: no system to pass
    if display_name is None:
        metadata = {}
    else:
        metadata = {"display_name": display_name}
    modulestore("direct").create_and_save_xmodule(dest_location, metadata=metadata)
    new_course = modulestore("direct").get_item(dest_location)

    # clone a default 'about' overview module as well
    dest_about_location = dest_location.replace(category="about", name="overview")
    overview_template = AboutDescriptor.get_template("overview.yaml")
    modulestore("direct").create_and_save_xmodule(
        dest_about_location, system=new_course.system, definition_data=overview_template.get("data")
    )

    initialize_course_tabs(new_course)

    create_all_course_groups(request.user, new_course.location)

    # seed the forums
    seed_permissions_roles(new_course.location.course_id)

    return JsonResponse({"id": new_course.location.url()})

    def create_course(self, org, offering, user_id=None, fields=None, **kwargs):
        """
        Creates and returns the course.

        Args:
            org (str): the organization that owns the course
            offering (str): the name of the course offering
            user_id: id of the user creating the course
            fields (dict): Fields to set on the course at initialization
            kwargs: Any optional arguments understood by a subset of modulestores to customize instantiation

        Returns: a CourseDescriptor

        Raises:
            InvalidLocationError: If a course with the same org and offering already exists
        """

        course, _, run = offering.partition('/')
        course_id = SlashSeparatedCourseKey(org, course, run)

        # Check if a course with this org/course has been defined before (case-insensitive)
        course_search_location = SON([
            ('_id.tag', 'i4x'),
            ('_id.org', re.compile(u'^{}$'.format(course_id.org), re.IGNORECASE)),
            ('_id.course', re.compile(u'^{}$'.format(course_id.course), re.IGNORECASE)),
            ('_id.category', 'course'),
        ])
        courses = self.collection.find(course_search_location, fields=('_id'))
        if courses.count() > 0:
            raise InvalidLocationError(
                "There are already courses with the given org and course id: {}".format([
                    course['_id'] for course in courses
                ]))

        location = course_id.make_usage_key('course', course_id.run)
        course = self.create_and_save_xmodule(location, user_id, fields=fields, **kwargs)

        # clone a default 'about' overview module as well
        about_location = location.replace(
            category='about',
            name='overview'
        )
        overview_template = AboutDescriptor.get_template('overview.yaml')
        self.create_and_save_xmodule(
            about_location,
            user_id,
            definition_data=overview_template.get('data'),
            runtime=course.system
        )

        return course

def create_new_course(request):
    """
    Create a new course.

    Returns the URL for the course overview page.
    """
    if not auth.has_access(request.user, CourseCreatorRole()):
        raise PermissionDenied()

    org = request.json.get('org')
    number = request.json.get('number')
    display_name = request.json.get('display_name')
    run = request.json.get('run')

    try:
        dest_location = Location(u'i4x', org, number, u'course', run)
    except InvalidLocationError as error:
        return JsonResponse({
            "ErrMsg": _("Unable to create course '{name}'.\n\n{err}").format(
                name=display_name, err=error.message)})

    # see if the course already exists
    existing_course = None
    try:
        existing_course = modulestore('direct').get_item(dest_location)
    except ItemNotFoundError:
        pass
    if existing_course is not None:
        return JsonResponse({
            'ErrMsg': _(
                'There is already a course defined with the same '
                'organization, course number, and course run. Please '
                'change either organization or course number to be '
                'unique.'
            ),
            'OrgErrMsg': _(
                'Please change either the organization or '
                'course number so that it is unique.'
            ),
            'CourseErrMsg': _(
                'Please change either the organization or '
                'course number so that it is unique.'
            ),
        })

    # dhm: this query breaks the abstraction, but I'll fix it when I do my suspended refactoring of this
    # file for new locators. get_items should accept a query rather than requiring it be a legal location
    course_search_location = bson.son.SON({
        '_id.tag': 'i4x',
        # cannot pass regex to Location constructor; thus this hack
        # pylint: disable=E1101
        '_id.org': re.compile(u'^{}$'.format(dest_location.org), re.IGNORECASE | re.UNICODE),
        # pylint: disable=E1101
        '_id.course': re.compile(u'^{}$'.format(dest_location.course), re.IGNORECASE | re.UNICODE),
        '_id.category': 'course',
    })
    courses = modulestore().collection.find(course_search_location, fields=('_id'))
    if courses.count() > 0:
        return JsonResponse({
            'ErrMsg': _(
                'There is already a course defined with the same '
                'organization and course number. Please '
                'change at least one field to be unique.'),
            'OrgErrMsg': _(
                'Please change either the organization or '
                'course number so that it is unique.'),
            'CourseErrMsg': _(
                'Please change either the organization or '
                'course number so that it is unique.'),
        })

    # instantiate the CourseDescriptor and then persist it
    # note: no system to pass
    if display_name is None:
        metadata = {}
    else:
        metadata = {'display_name': display_name}
    modulestore('direct').create_and_save_xmodule(
        dest_location,
        metadata=metadata
    )
    new_course = modulestore('direct').get_item(dest_location)

    # clone a default 'about' overview module as well
    dest_about_location = dest_location.replace(
        category='about',
        name='overview'
    )
    overview_template = AboutDescriptor.get_template('overview.yaml')
    modulestore('direct').create_and_save_xmodule(
        dest_about_location,
        system=new_course.system,
        definition_data=overview_template.get('data')
    )

    initialize_course_tabs(new_course, request.user)

    new_location = loc_mapper().translate_location(new_course.location.course_id, new_course.location, False, True)
    # can't use auth.add_users here b/c it requires request.user to already have Instructor perms in this course
    # however, we can assume that b/c this user had authority to create the course, the user can add themselves
#.........这里部分代码省略.........

def create_new_course(request):
    """
    Create a new course
    """
    if not is_user_in_creator_group(request.user):
        raise PermissionDenied()

    org = request.POST.get('org')
    number = request.POST.get('number')
    display_name = request.POST.get('display_name')
    run = request.POST.get('run')

    try:
        dest_location = Location('i4x', org, number, 'course', run)
    except InvalidLocationError as error:
        return JsonResponse({
            "ErrMsg": _("Unable to create course '{name}'.\n\n{err}").format(
                name=display_name, err=error.message)})

    # see if the course already exists
    existing_course = None
    try:
        existing_course = modulestore('direct').get_item(dest_location)
    except ItemNotFoundError:
        pass
    if existing_course is not None:
        return JsonResponse({
                'ErrMsg': _('There is already a course defined with the same '
                    'organization, course number, and course run. Please '
                    'change either organization or course number to be '
                    'unique.'),
                'OrgErrMsg': _('Please change either the organization or '
                    'course number so that it is unique.'),
                'CourseErrMsg': _('Please change either the organization or '
                    'course number so that it is unique.'),
        })

    course_search_location = ['i4x', dest_location.org, dest_location.course,
            'course', None
    ]
    courses = modulestore().get_items(course_search_location)
    if len(courses) > 0:
        return JsonResponse({
                'ErrMsg': _('There is already a course defined with the same '
                    'organization and course number. Please '
                    'change at least one field to be unique.'),
                'OrgErrMsg': _('Please change either the organization or '
                    'course number so that it is unique.'),
                'CourseErrMsg': _('Please change either the organization or '
                    'course number so that it is unique.'),
        })

    # instantiate the CourseDescriptor and then persist it
    # note: no system to pass
    if display_name is None:
        metadata = {}
    else:
        metadata = {'display_name': display_name}
    modulestore('direct').create_and_save_xmodule(
            dest_location,
            metadata=metadata
    )
    new_course = modulestore('direct').get_item(dest_location)

    # clone a default 'about' overview module as well
    dest_about_location = dest_location.replace(
            category='about',
            name='overview'
    )
    overview_template = AboutDescriptor.get_template('overview.yaml')
    modulestore('direct').create_and_save_xmodule(
        dest_about_location,
        system=new_course.system,
        definition_data=overview_template.get('data')
    )

    initialize_course_tabs(new_course)

    create_all_course_groups(request.user, new_course.location)

    # seed the forums
    seed_permissions_roles(new_course.location.course_id)

    # auto-enroll the course creator in the course so that "View Live" will
    # work.
    CourseEnrollment.enroll(request.user, new_course.location.course_id)

    return JsonResponse({'id': new_course.location.url()})

def create_new_course(request):
    """
    Create a new course
    """
    if not is_user_in_creator_group(request.user):
        raise PermissionDenied()

    org = request.POST.get('org')
    number = request.POST.get('number')
    display_name = request.POST.get('display_name')
    run = request.POST.get('run')

    try:
        dest_location = Location('i4x', org, number, 'course', run)
    except InvalidLocationError as error:
        return JsonResponse({
            "ErrMsg": _("Unable to create course '{name}'.\n\n{err}").format(
                name=display_name, err=error.message)})

    # see if the course already exists
    existing_course = None
    try:
        existing_course = modulestore('direct').get_item(dest_location)
    except ItemNotFoundError:
        pass
    if existing_course is not None:
        return JsonResponse({
            'ErrMsg': _('There is already a course defined with the same '
                'organization, course number, and course run. Please '
                'change either organization or course number to be '
                'unique.'),
            'OrgErrMsg': _('Please change either the organization or '
                'course number so that it is unique.'),
            'CourseErrMsg': _('Please change either the organization or '
                'course number so that it is unique.'),
        })

    # dhm: this query breaks the abstraction, but I'll fix it when I do my suspended refactoring of this
    # file for new locators. get_items should accept a query rather than requiring it be a legal location
    course_search_location = bson.son.SON({
        '_id.tag': 'i4x',
        # cannot pass regex to Location constructor; thus this hack
        '_id.org': re.compile(dest_location.org, re.IGNORECASE),
        '_id.course': re.compile(dest_location.course, re.IGNORECASE),
        '_id.category': 'course',
    })
    courses = modulestore().collection.find(course_search_location, fields=('_id'))
    if courses.count() > 0:
        return JsonResponse({
            'ErrMsg': _('There is already a course defined with the same '
                'organization and course number. Please '
                'change at least one field to be unique.'),
            'OrgErrMsg': _('Please change either the organization or '
                'course number so that it is unique.'),
            'CourseErrMsg': _('Please change either the organization or '
                'course number so that it is unique.'),
        })

    # instantiate the CourseDescriptor and then persist it
    # note: no system to pass
    if display_name is None:
        metadata = {}
    else:
        metadata = {'display_name': display_name}
    modulestore('direct').create_and_save_xmodule(
        dest_location,
        metadata=metadata
    )
    new_course = modulestore('direct').get_item(dest_location)

    # clone a default 'about' overview module as well
    dest_about_location = dest_location.replace(
        category='about',
        name='overview'
    )
    overview_template = AboutDescriptor.get_template('overview.yaml')
    modulestore('direct').create_and_save_xmodule(
        dest_about_location,
        system=new_course.system,
        definition_data=overview_template.get('data')
    )

    initialize_course_tabs(new_course)

    create_all_course_groups(request.user, new_course.location)

    # seed the forums
    seed_permissions_roles(new_course.location.course_id)

    # auto-enroll the course creator in the course so that "View Live" will
    # work.
    CourseEnrollment.enroll(request.user, new_course.location.course_id)

    return JsonResponse({'id': new_course.location.url()})

def create_new_course(request):
    """
    Create a new course.

    Returns the URL for the course overview page.
    """
    if not is_user_in_creator_group(request.user):
        raise PermissionDenied()

    org = request.json.get("org")
    number = request.json.get("number")
    display_name = request.json.get("display_name")
    run = request.json.get("run")

    try:
        dest_location = Location("i4x", org, number, "course", run)
    except InvalidLocationError as error:
        return JsonResponse(
            {"ErrMsg": _("Unable to create course '{name}'.\n\n{err}").format(name=display_name, err=error.message)}
        )

    # see if the course already exists
    existing_course = None
    try:
        existing_course = modulestore("direct").get_item(dest_location)
    except ItemNotFoundError:
        pass
    if existing_course is not None:
        return JsonResponse(
            {
                "ErrMsg": _(
                    "There is already a course defined with the same "
                    "organization, course number, and course run. Please "
                    "change either organization or course number to be "
                    "unique."
                ),
                "OrgErrMsg": _("Please change either the organization or " "course number so that it is unique."),
                "CourseErrMsg": _("Please change either the organization or " "course number so that it is unique."),
            }
        )

    # dhm: this query breaks the abstraction, but I'll fix it when I do my suspended refactoring of this
    # file for new locators. get_items should accept a query rather than requiring it be a legal location
    course_search_location = bson.son.SON(
        {
            "_id.tag": "i4x",
            # cannot pass regex to Location constructor; thus this hack
            "_id.org": re.compile("^{}$".format(dest_location.org), re.IGNORECASE),
            "_id.course": re.compile("^{}$".format(dest_location.course), re.IGNORECASE),
            "_id.category": "course",
        }
    )
    courses = modulestore().collection.find(course_search_location, fields=("_id"))
    if courses.count() > 0:
        return JsonResponse(
            {
                "ErrMsg": _(
                    "There is already a course defined with the same "
                    "organization and course number. Please "
                    "change at least one field to be unique."
                ),
                "OrgErrMsg": _("Please change either the organization or " "course number so that it is unique."),
                "CourseErrMsg": _("Please change either the organization or " "course number so that it is unique."),
            }
        )

    # instantiate the CourseDescriptor and then persist it
    # note: no system to pass
    if display_name is None:
        metadata = {}
    else:
        metadata = {"display_name": display_name}
    modulestore("direct").create_and_save_xmodule(dest_location, metadata=metadata)
    new_course = modulestore("direct").get_item(dest_location)

    # clone a default 'about' overview module as well
    dest_about_location = dest_location.replace(category="about", name="overview")
    overview_template = AboutDescriptor.get_template("overview.yaml")
    modulestore("direct").create_and_save_xmodule(
        dest_about_location, system=new_course.system, definition_data=overview_template.get("data")
    )

    initialize_course_tabs(new_course)

    new_location = loc_mapper().translate_location(new_course.location.course_id, new_course.location, False, True)
    create_all_course_groups(request.user, new_location)

    # seed the forums
    seed_permissions_roles(new_course.location.course_id)

    # auto-enroll the course creator in the course so that "View Live" will
    # work.
    CourseEnrollment.enroll(request.user, new_course.location.course_id)

    return JsonResponse({"url": new_location.url_reverse("course/", "")})