[EMAIL PROTECTED] wrote:
> Lets say, you have this simple form:
>
> class EditForm(ListForm):
> validator = Schema(
> chained_validators = [FieldsMatch('edit.password',
> 'edit.password_confirm')]
> )
>
> def __init__(self, id=None, parent=None, children=[], user=None,
> **kw):
> super(EditForm, self).__init__(id, parent, children, **kw)
> fieldset = ListFieldSet("edit", self, legend=_("User data"),
> label_text = "",
> children = [
> Child(PasswordField, "password",
> label_text=_("Password"), default=getattr(user, "password", None),
> validator=UnicodeString(min=1, max=255)),
> Child(PasswordField, "password_confirm",
> label_text=_("Password (confirm)"), default=getattr(user, "password",
> None), validator=UnicodeString(min=1, max=255)),
> ]
> )
>
> The FildsMatch validator will fail, because there is no key
> "edit.password".
> A KeyError will be raised in
> formencode.validators.FieldsMatch.validate_python as the correct value
> is in field_dict["edit"]["password"] and not in
> field_dict["edit.password"].
>
> You could circumvent this by adding this line at the beginning of
> validate_python:
> field_dict =
> formencode.variabledecode.variable_encode(field_dict)
>
> For a similar problem (with no answers yet) and a similar solution
> see:
> http://groups.google.com/group/turbogears/browse_thread/thread/76b93b0641989e7
> Probably there are even more spots in TG/TW that cause troubles with
> nested field values tranlated to nested dicts.
If you place the FieldsMatch chained validator in the fieldset instead
of the form and it should work.
Generally speaking, both in TW and TG widgets, chained validators (and
prevalidators) should be placed in the same nesting level as the fields
they're validating.
Alberto
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