>>> import albatross
>>> import time
>>> ctx = albatross.SimpleContext('.')
>>> albatross.Template(ctx, '<magic>', '''
... The time is <al-value expr="time.mktime((2001,12,25,1,23,45,0,0,-1))"
...                       date="%H:%M:%S" whitespace>
... ''').to_html(ctx)
>>> ctx.flush_content()
The time is 01:23:45
