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Demo: Sequence of File Upload Widgets (with Initial Item)

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Code (click to show in context) 

    @view_config(
        renderer="templates/form.pt",
        name="sequence_of_fileuploads_with_initial_item",
    )
    @demonstrate("Sequence of File Upload Widgets (with Initial Item)")
    def sequence_of_fileuploads_with_initial_item(self):
        class Sequence(colander.SequenceSchema):
            upload = colander.SchemaNode(
                deform.FileData(),
                widget=deform.widget.FileUploadWidget(tmpstore),
            )

        class Schema(colander.Schema):
            uploads = Sequence()

        schema = Schema()
        form = deform.Form(schema, buttons=("submit",))
        form["uploads"].widget = deform.widget.SequenceWidget(min_len=1)

        return self.render_form(form, success=tmpstore.clear)