Gets a buffered generator for streaming binary data.

    Returns a buffered generator which encodes binary data as
    :mimetype:`multipart/form-data` with the corresponding headers.

    Parameters
    ----------
    data : bytes
        The data bytes to stream
    chunk_size : int
        The maximum size of each stream chunk

    Returns
    -------
        (generator, dict)

def stream_bytes(data, chunk_size=default_chunk_size):
    """Gets a buffered generator for streaming binary data.

    Returns a buffered generator which encodes binary data as
    :mimetype:`multipart/form-data` with the corresponding headers.

    Parameters
    ----------
    data : bytes
        The data bytes to stream
    chunk_size : int
        The maximum size of each stream chunk

    Returns
    -------
        (generator, dict)
    """
    stream = BytesStream(data, chunk_size=chunk_size)

    return stream.body(), stream.headers