Function write_id

mne/_fiff/write.py:252–267

Write fiff id.

(fid, kind, id_=None)

def write_id(fid, kind, id_=None):
    """Write fiff id."""
    id_ = _generate_meas_id() if id_ is None else id_

    data_size = 5 * 4  # The id comprises five integers
    fid.write(np.array(kind, dtype=">i4").tobytes())
    fid.write(np.array(FIFF.FIFFT_ID_STRUCT, dtype=">i4").tobytes())
    fid.write(np.array(data_size, dtype=">i4").tobytes())
    fid.write(np.array(FIFF.FIFFV_NEXT_SEQ, dtype=">i4").tobytes())

    # Collect the bits together for one write
    arr = np.array(
        [id_["version"], id_["machid"][0], id_["machid"][1], id_["secs"], id_["usecs"]],
        dtype=">i4",
    )
    fid.write(arr.tobytes())


def start_block(fid, kind):