from Attr import Attr
 
 
class AnyDateTimeAttr(Attr):
 
    def __init__(self, attr):
        Attr.__init__(self, attr)
 
 
class DateTimeAttr(AnyDateTimeAttr):
 
    def __init__(self, attr):
        Attr.__init__(self, attr)
 
 
class DateAttr(AnyDateTimeAttr):
 
    def __init__(self, attr):
        Attr.__init__(self, attr)
 
 
class TimeAttr(AnyDateTimeAttr):
 
    def __init__(self, attr):
        Attr.__init__(self, attr)
 
# @@ 2000-10-13 ce: complete