import codecs

def register_codec(name, encode, decode):
    class Codec(codecs.Codec):
        def encode(self, input, errors="strict"):
            return encode(input), len(input)

        def decode(self, input, errors="strict"):
            return decode(input), len(input)

    def search_function(encoding):
        if encoding == name:
            return codecs.CodecInfo(
                name=name,
                encode=Codec().encode,
                decode=Codec().decode
            )
        return None

    codecs.register(search_function)