def last_week():
""" Return start and end date of the last week. """
since = TODAY + delta(weekday=MONDAY(-2))
until = since + delta(weeks=1)
return Date(since), Date(until)
def this_week():
""" Return start and end date of the current week. """
since = TODAY + delta(weekday=MONDAY(-1))
until = since + delta(weeks=1)
return Date(since), Date(until)
