@with_open_mode('r')
@with_sizes('medium')
def read_bytewise(f):
 f.seek(0)
 while f.read(1):
  pass

@ with_open_mode ( 'r' ) @ with_sizes ( 'medium' ) def read_bytewise ( f ) : f . seek ( 0 ) while f . read ( 1 ) : pass
read one unit at a time .