#NEWLINE# def __init__( self , filename , start , stop ) : #NEWLINE# #INDENT# self . filename = filename #NEWLINE# self . fileobj = open ( self . filename , 'rb' ) #NEWLINE# if start : #NEWLINE# #INDENT# self . fileobj . seek ( start ) #NEWLINE# #UNINDENT# if ( stop is not None ) : #NEWLINE# #INDENT# self . length = ( stop - start ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# self . length = None