>>> import albatross
>>> ctx = albatross.SimpleContext('.')
>>> ctx.locals.menu = [(1, 'Spam'), (2, 'Eggs'), (3, 'Bacon')]
>>> ctx.locals.sel = 1
>>> albatross.Template(ctx, '<magic>', '''
... <al-select name="sel" optionexpr="menu" whitespace/>
... ''').to_html(ctx)
>>> ctx.flush_content()
<select name="sel"><option selected value="1">Spam</option>
<option value="2">Eggs</option>
<option value="3">Bacon</option>
</select>