class codecs.StreamRecoder(stream, encode, decode, Reader, Writer, errors) Creates a StreamRecoder instance which

codecs.iterdecode(iterator, encoding, errors='strict', **kwargs) Uses an incremental decoder to iteratively decode the input

struct.calcsize(fmt) Return the size of the struct (and hence of the bytes object produced by pack(fmt, ...)) corresponding

codecs.register_error(name, error_handler) Register the error handling function error_handler under the name name

pack(v1, v2, ...) Identical to the pack() function, using the compiled format. (len(result) will equal

codecs.namereplace_errors(exception) Implements the 'namereplace' error handling (for encoding with

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

reset() Flushes and resets the codec buffers used for keeping state. Calling this method should

IncrementalEncoder.getstate() Return the current state of the encoder which must be an integer. The implementation should make

codecs.open(filename, mode='r', encoding=None, errors='strict', buffering=1) Open an encoded file using the given mode