Programmer blog

Sometimes you have the task to decorate django form fields. In our case it was need to add different widget to form field depending on field type. You can know your field type by refering to it's python class name, e.g.: field . __class__ . __name__ You will get wrong symbols error if you try to refer this python variable in templates directly. So you need a custom template tag to serve here. Decision was not to return variable for tag but to add context variable, cause I had need to perform exact actions on certain field types. So tag example: @register . simple_tag ( takes_context = True ) def set_this_field_type ( context , field ) : """     Adds to context given field type variable     variable named "this_field_type"     """ context [ "this_field_type" ] = field . field . __class__ . __name__ return '' Now you can add this variable to your if statements. E.g. usage: {% ...