Python models.XBlockAsidesConfig类代码示例

    def rebind_noauth_module_to_user(module, real_user):
        """
        A function that allows a module to get re-bound to a real user if it was previously bound to an AnonymousUser.

        Will only work within a module bound to an AnonymousUser, e.g. one that's instantiated by the noauth_handler.

        Arguments:
            module (any xblock type):  the module to rebind
            real_user (django.contrib.auth.models.User):  the user to bind to

        Returns:
            nothing (but the side effect is that module is re-bound to real_user)
        """
        if user.is_authenticated():
            err_msg = ("rebind_noauth_module_to_user can only be called from a module bound to "
                       "an anonymous user")
            log.error(err_msg)
            raise LmsModuleRenderError(err_msg)

        field_data_cache_real_user = FieldDataCache.cache_for_descriptor_descendents(
            course_id,
            real_user,
            module.descriptor,
            asides=XBlockAsidesConfig.possible_asides(),
        )
        student_data_real_user = KvsFieldData(DjangoKeyValueStore(field_data_cache_real_user))

        (inner_system, inner_student_data) = get_module_system_for_user(
            user=real_user,
            student_data=student_data_real_user,  # These have implicit user bindings, rest of args considered not to
            descriptor=module.descriptor,
            course_id=course_id,
            track_function=track_function,
            xqueue_callback_url_prefix=xqueue_callback_url_prefix,
            position=position,
            wrap_xmodule_display=wrap_xmodule_display,
            grade_bucket_type=grade_bucket_type,
            static_asset_path=static_asset_path,
            user_location=user_location,
            request_token=request_token,
            course=course
        )

        module.descriptor.bind_for_student(
            inner_system,
            real_user.id,
            [
                partial(OverrideFieldData.wrap, real_user, course),
                partial(LmsFieldData, student_data=inner_student_data),
            ],
        )

        module.descriptor.scope_ids = (
            module.descriptor.scope_ids._replace(user_id=real_user.id)
        )
        module.scope_ids = module.descriptor.scope_ids  # this is needed b/c NamedTuples are immutable
        # now bind the module to the new ModuleSystem instance and vice-versa
        module.runtime = inner_system
        inner_system.xmodule_instance = module

    def applicable_aside_types(self, block):
        """
        Return all of the asides which might be decorating this `block`.

        Arguments:
            block (:class:`.XBlock`): The block to render retrieve asides for.
        """

        config = XBlockAsidesConfig.current()

        if not config.enabled:
            return []

        if block.scope_ids.block_type in config.disabled_blocks.split():
            return []

        return super(LmsModuleSystem, self).applicable_aside_types()

    def get_asides(self, block):
        """
        Return all of the asides which might be decorating this `block`.

        Arguments:
            block (:class:`.XBlock`): The block to render retrieve asides for.
        """

        config = XBlockAsidesConfig.current()

        if not config.enabled:
            return []

        if block.scope_ids.block_type in config.disabled_blocks.split():
            return []

        return [
            self.get_aside_of_type(block, aside_type)
            for aside_type, __
            in XBlockAside.load_classes()
        ]

    def applicable_aside_types(self, block):
        """
        Return all of the asides which might be decorating this `block`.

        Arguments:
            block (:class:`.XBlock`): The block to render retrieve asides for.
        """

        config = XBlockAsidesConfig.current()

        if not config.enabled:
            return []

        if block.scope_ids.block_type in config.disabled_blocks.split():
            return []

        # TODO: aside_type != 'acid_aside' check should be removed once AcidBlock is only installed during tests
        # (see https://openedx.atlassian.net/browse/TE-811)
        return [
            aside_type
            for aside_type in super(LmsModuleSystem, self).applicable_aside_types(block)
            if aside_type != 'acid_aside'
        ]

#.........这里部分代码省略.........
            if masquerade and masquerade.role == 'student':  # if staff is masquerading as student be kinder, don't 404
                log.debug('staff masquerading as student: no chapter %s', chapter)
                return redirect(reverse('courseware', args=[course.id.to_deprecated_string()]))
            raise Http404

        if section is not None:
            section_descriptor = chapter_descriptor.get_child_by(lambda m: m.location.name == section)

            if section_descriptor is None:
                # Specifically asked-for section doesn't exist
                if masquerade and masquerade.role == 'student':  # don't 404 if staff is masquerading as student
                    log.debug('staff masquerading as student: no section %s', section)
                    return redirect(reverse('courseware', args=[course.id.to_deprecated_string()]))
                raise Http404

            ## Allow chromeless operation
            if section_descriptor.chrome:
                chrome = [s.strip() for s in section_descriptor.chrome.lower().split(",")]
                if 'accordion' not in chrome:
                    context['disable_accordion'] = True
                if 'tabs' not in chrome:
                    context['disable_tabs'] = True

            if section_descriptor.default_tab:
                context['default_tab'] = section_descriptor.default_tab

            # cdodge: this looks silly, but let's refetch the section_descriptor with depth=None
            # which will prefetch the children more efficiently than doing a recursive load
            section_descriptor = modulestore().get_item(section_descriptor.location, depth=None)

            # Load all descendants of the section, because we're going to display its
            # html, which in general will need all of its children
            section_field_data_cache = FieldDataCache.cache_for_descriptor_descendents(
                course_key, user, section_descriptor, depth=None, asides=XBlockAsidesConfig.possible_asides()
            )

            # Verify that position a string is in fact an int
            if position is not None:
                try:
                    int(position)
                except ValueError:
                    raise Http404("Position {} is not an integer!".format(position))

            section_module = get_module_for_descriptor(
                request.user,
                request,
                section_descriptor,
                section_field_data_cache,
                course_key,
                position
            )

            if section_module is None:
                # User may be trying to be clever and access something
                # they don't have access to.
                raise Http404

            # Save where we are in the chapter
            save_child_position(chapter_module, section)
            context['fragment'] = section_module.render(STUDENT_VIEW)
            context['section_title'] = section_descriptor.display_name_with_default
        else:
            # section is none, so display a message
            studio_url = get_studio_url(course, 'course')
            prev_section = get_current_child(chapter_module)
            if prev_section is None: