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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 read_data(self, blocksize=4096):
 """Generates byte strings reflecting the audio data in the file. """

        frames = ctypes.c_uint(blocksize // self._client_fmt.mBytesPerFrame)
        buf = ctypes.create_string_buffer(blocksize)

        buflist = AudioBufferList()
        buflist.mNumberBuffers = 1
        buflist.mBuffers[0].mNumberChannels = \
            self._client_fmt.mChannelsPerFrame
        buflist.mBuffers[0].mDataByteSize = blocksize
        buflist.mBuffers[0].mData = ctypes.cast(buf, ctypes.c_void_p)

        while True:
            check(_coreaudio.ExtAudioFileRead(
                self._obj, ctypes.byref(frames), ctypes.byref(buflist)
            ))

            assert buflist.mNumberBuffers == 1
            size = buflist.mBuffers[0].mDataByteSize
            if not size:
                break

            data = ctypes.cast(buflist.mBuffers[0].mData,
                               ctypes.POINTER(ctypes.c_char))
            blob = data[:size]
            yield blob