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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def readByteArray(self):
 """ Reads a string of data from the stream. Detects if the L{ByteArray} was compressed using C{zlib}. @see: L{ByteArray} @note: This is not supported in ActionScript 1.0 and 2.0. """

        ref = self.readInteger(False)

        if ref & REFERENCE_BIT == 0:
            return self.context.getObject(ref >> 1)

        buffer = self.stream.read(ref >> 1)

        try:
            buffer = zlib.decompress(buffer)
            compressed = True
        except zlib.error:
            compressed = False

        obj = ByteArray(buffer)
        obj.compressed = compressed

        self.context.addObject(obj)

        return obj