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Demo: Sequence of Constrained Min and Max Lengths

At Least 2 At Most 4 Names
×
×
Add Name

Captured submission

None

Code (click to show in context) 

    @view_config(
        renderer="templates/form.pt", name="sequence_of_constrained_len"
    )
    @demonstrate("Sequence of Constrained Min and Max Lengths")
    def sequence_of_constrained_len(self):
        class Names(colander.SequenceSchema):
            name = colander.SchemaNode(colander.String())

        class Schema(colander.Schema):
            names = Names(
                validator=colander.Length(2, 4),
                title="At Least 2 At Most 4 Names",
                widget=deform.widget.SequenceWidget(min_len=2, max_len=4),
            )

        schema = Schema()
        form = deform.Form(schema, buttons=("submit",))

        return self.render_form(form)