[Zope3-dev] WidgetInputError and support for multiple errors

[Garrett Smith]

Jim Fulton wrote:

> Garrett Smith wrote:
>> It's not obvious to me why one would need support for multiple errors
>> for a widget. Any input here?
> 
> Multiple schema invariants involving a field are violated.
> 
> (Are schema invariants checked today?)

I dont believe so -- I haven't seen anything like that. The widget
merely calls the field's validate method, which only raises a single
error.

>> I'd like to change WidgetInputError to:
>> 
>>   class IWidgetInputError(Interface):
>>     widget = Attribute("The widget the error is associated with.")
>>     message = Attribute("An error message to display to the user.")
>>     original = Attribute("An optional original error that caused the
>> input error.") 
>> 
>>   class WidgetInputError(UserError):
>>     def __init__(self, widget, message, original=None):       
>>        self.widget = widget self.message = message
>>        self.original = original
>> 
>> The doc() method would be deprecated.
> 
> Yeah. Is it used for anything?

It's used by the error view to display the error message -- this would
be replaced by the 'message' attribute above.

 --Garrett