'@type fp: file-like object
@param fp: The file in which to store the message while it is being
received.
@type name: L{bytes}
@param name: The full path name of the temporary file.
@type finalName: L{bytes}
@param finalName: The full path name that should be given to the file
holding the message after it has been fully received.'

def __init__(self, fp, name, finalName):

    self.fp = fp
    self.name = name
    self.finalName = finalName
