struct.unpack(fmt, buffer) Unpack from the buffer buffer (presumably packed by pack(fmt, ...)) according

class codecs.StreamWriter(stream, errors='strict') Constructor for a StreamWriter instance. All

Codec.decode(input[, errors]) Decodes the object input and returns a tuple (output object, length consumed). For instance

getstate() Return the current state of the decoder. This must be a tuple with two items, the first must be the buffer containing

writelines(list) Writes the concatenated list of strings to the stream (possibly by reusing the write() method)

codecs.lookup(encoding) Looks up the codec info in the Python codec registry and returns a CodecInfo object as

read([size[, chars[, firstline]]]) Decodes data from the stream and returns the resulting object. The

encodings.idna.ToASCII(label) Convert a label to ASCII, as specified in

codecs.getincrementaldecoder(encoding) Look up the codec for the given encoding and return its incremental decoder class or

encodings.idna.ToUnicode(label) Convert a label to Unicode, as specified in