import codecs

n = 100000

class Codec(codecs.Codec):
	def encode(self,input,errors='strict'):
		return (input.encode("latin1"), len(input))
	
	def decode(self,input,errors='strict'):
		return (input.decode("latin-1").replace(u"!", n*"a"), len(input))

class StreamWriter(Codec,codecs.StreamWriter):
	pass

class StreamReader(Codec,codecs.StreamReader):
	pass

def getregentry():
	return (Codec().encode,Codec().decode,StreamReader,StreamWriter)