[Zope3-Users] Automatic schema field sanitation?

[Dennis Noordsij]

Christian Klinger schreef:
> Hi Dennis,
> 
> i think you can try to add a new Field and a corresponding Widget for
> your needs.
> 
> I think this could be a good starting poing.
> 
> http://wiki.zope.org/zope3/fieldsandwidgets.html
> 
> If you have further questions - please ask.


Hi Christian,

Thanks for your answer

I have the new Field, and its constraint, but I would like to sanitize
the value before the form layer, i.e. I don't know if all input comes
through a form, and certainly not all output goes via a form, so
sanitizing the value via a widget (data converter) will not cover all
the cases.

Example:

class Code(TextLine):
	def constraint(self, value):
		super(Code, self).constraint(value)
		if not validate_regex(value):
			raise InvalidCode(value)


Now how to plug in another method at the final steps of the "set"
behaviour to rewrite the value?

Cheers,
Dennis