code: def get_object_query_dict(self):
          
          if isinstance(self.object_query_code, dict):
              # _DATE_ _DATETIME_
              return self.object_query_code
          else:
              # comma separated, key=value pairs. wrapping spaces will be ignored
              # eg: "key=val, key2 = val2 , key3= value with spaces"
              return dict(pair.split('=') for pair in self.object_query_code.split(','))
docs: returns objects keys according to self.object_query_code
          which can be json encoded queryset filter dict or key=value set
           in the following format: ```"key=val, key2 = val2 , key3= value with spaces"```
  
          Returns:
               (dict): Queryset filtering dicqt