Example #1
0
def reload_widgets():
    """Reload the default classifiers and widgets."""
    Classifier.delete_all_classifiers()
    Classifier.load_default_classifiers()

    Widget.delete_all_widgets()
    InteractiveWidget.load_default_widgets()
    NonInteractiveWidget.load_default_widgets()
Example #2
0
    def post(self, widget_id):
        """Handles POST requests, for parameterized widgets."""
        params = self.payload.get('params', {})
        if isinstance(params, list):
            new_params = {}
            for item in params:
                new_params[item['name']] = item['default_value']
            params = new_params

        state_params_dict = {}
        state_params_given = self.payload.get('state_params')
        if state_params_given:
            for param in state_params_given:
                # Pick a random parameter for each key.
                state_params_dict[param['name']] = (
                    utils.get_random_choice(param['values']))

        # TODO(sll): In order to unify this with InteractiveWidgetHandler,
        # we need a convention for which params must be JSONified and which
        # should not. Fix this.
        response = NonInteractiveWidget.get_with_params(widget_id, params)

        self.render_json({
            'widget': response,
            'parent_index': self.request.get('parent_index'),
        })
Example #3
0
 def get(self, widget_id):
     """Handles GET requests."""
     try:
         self.render_json({
             'widget': NonInteractiveWidget.get_with_params(widget_id, {}),
         })
     except:
         raise self.PageNotFoundException
Example #4
0
def parse_content_into_html(content_array, block_number, params=None):
    """Takes a Content array and transforms it into HTML.

    Args:
        content_array: an array, each of whose members is of type Content. This
            object has two keys: type and value. The 'type' is one of the
            following:
                - 'text'; then the value is a text string
                - 'image'; then the value is an image ID
                - 'video'; then the value is a video ID
                - 'widget'; then the value is a JSON-encoded dict with keys
                    'id' and 'params', from which the raw widget HTML can be
                    constructed
        block_number: the number of content blocks preceding this one.
        params: any parameters used for templatizing text strings.

    Returns:
        the HTML string representing the array.

    Raises:
        InvalidInputException: if content has no 'type' attribute, or an invalid
            'type' attribute.
    """
    if params is None:
        params = {}

    html = ''
    widget_array = []
    widget_counter = 0
    for content in content_array:
        if content.type in ['text', 'image', 'video']:
            if content.type == 'text':
                value = utils.parse_with_jinja(content.value, params)
            else:
                value = content.value

            html += feconf.OPPIA_JINJA_ENV.get_template(
                'reader/content.html').render({
                    'type': content.type, 'value': value})
        elif content.type == 'widget':
            # Ignore empty widget specifications.
            if not content.value:
                continue

            widget_dict = json.loads(content.value)
            widget = NonInteractiveWidget.get_with_params(
                widget_dict['id'], widget_dict['params'])
            html += feconf.OPPIA_JINJA_ENV.get_template(
                'reader/content.html').render({
                    'blockIndex': block_number,
                    'index': widget_counter,
                    'type': content.type,
                })
            widget_array.append({
                'blockIndex': block_number,
                'index': widget_counter,
                'raw': widget['raw'],
            })
            widget_counter += 1
        else:
            raise utils.InvalidInputException(
                'Invalid content type %s', content.type)
    return html, widget_array