Dataset.write

Dataset.write(valid_time, value)

Appends data to a dataset.

Examples

>>> with bth5.open(temp_h5, '/', mode='w', value_dtype=np.int64) as ds:
...     ds.write(np.datetime64("2018-06-21 12:26:47"), 1.0)
...     ds.write(np.datetime64("2018-06-21 12:26:49"), 2.0)
...     ds.write([
...         np.datetime64("2018-06-21 12:26:51"),
...         np.datetime64("2018-06-21 12:26:53"),
...     ], [3.0, 4.0])
>>> with bth5.open(temp_h5, '/', mode='r', value_dtype=np.int64) as ds:
...     ds.records[:]
array([(0, '2018-06-21T12:26:47.000000', 1),
       (0, '2018-06-21T12:26:49.000000', 2),
       (0, '2018-06-21T12:26:51.000000', 3),
       (0, '2018-06-21T12:26:53.000000', 4)],
      dtype=[('transaction_id', '<u8'), ('valid_time', '<M8[us]'), ('value', '<i8')])