#NEWLINE# def __init__( self , deltas , expire_func = default_expire_func ) : #NEWLINE# #INDENT# if isinstance ( deltas , basestring ) : #NEWLINE# #INDENT# deltas = parse_deltas ( deltas ) #NEWLINE# #UNINDENT# self . deltas = deltas #NEWLINE# self . expire_func = expire_func #NEWLINE# self . now = datetime . now ( ) #NEWLINE# self . backups = OrderedDict ( )