Page and Fragment

gistfile1.py

class IterPage(WebConfig):
    docFactory = loaders.xmlfile(util.sibpath(__file__, 'templates/iter.xhtml'))
    addSlash = False

    def data_rows(self, ctx, data):
        return [
                [ 1, 2, 3 ],
                [ 1 ],
                [ 1, 4, 9, 3 ],
                ]

    def render_row(self, ctx, row):
        return ctx.tag[RowFragment(row)]

class RowFragment(rend.Fragment):
    def __init__(self, row):
        self.row = row

    def rend(self, context, data):
        return t.ul[
            map(lambda x: t.li[x], data)
        ]