[GitHub] [incubator-superset] zufolo441 edited a comment on issue #9949: jinja templating in markdown element

[GitBox <gi...@apache.org>]

zufolo441 edited a comment on issue #9949:
URL: https://github.com/apache/incubator-superset/issues/9949#issuecomment-636719903


   I tried to apply process_template() to iframe viz.
   I'm trying to call another chart with parameters in json data in url, for example 
   %22select_country%22%3A%22{{url_param('cartina',default='Toscana_province_2020')}}%22
   in place of original
   %22select_country%22%3A%22Toscana_province_2020%22
   
   I tried to edit get_data() in this way:
   class IFrameViz(BaseViz):
   
       """You can squeeze just about anything in this iFrame component"""
   
       viz_type = "iframe"
       verbose_name = _("iFrame")
       credits = 'a <a href="https://github.com/airbnb/superset">Superset</a> original'
       is_timeseries = False
       def query_obj(self):
           return None
   
       def get_df(self, query_obj: Optional[Dict[str, Any]] = None) -> pd.DataFrame:
           return pd.DataFrame()
   
       def get_data(self, df: pd.DataFrame) -> VizData:
           template_processor = get_template_processor(self.datasource.database)
           self.form_data['url']=template_processor.process_template(self.form_data['url'])
           return {"iframe": True }
   
   If I look at json I see "url" field with parameters replaced by correct values, but url called by browser in order to fill page has parameters replaced by anything.
   example: I iframe URL I put ....&height={{url_param('altezza',default=300)}}
   in json I see ...&height=300
   but page has been called with ...&height=
   
   Can anyone help me ?


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