def frame_channel_from_RP66V1(channel_object: EFLR.Object) -> FrameChannel:
"""Create a file format agnostic FrameChannel from an EFLR.Object (row) in a `CHANNEL` EFLR."""
return FrameChannel(
ident=channel_object.name,
long_name=channel_object[b'LONG-NAME'].value[0] if channel_object[b'LONG-NAME'].value is not None else b'',
rep_code=channel_object[b'REPRESENTATION-CODE'].value[0],
units=channel_object[b'UNITS'].value[0] if channel_object[b'UNITS'].value is not None else b'',
dimensions=channel_object[b'DIMENSION'].value,
# TODO: Replace this with the np.dtype directly
np_dtype=RepCode.numpy_dtype(channel_object[b'REPRESENTATION-CODE'].value[0])
)
def test_numpy_dtype_raises():
with pytest.raises(RepCode.ExceptionRepCode) as err:
RepCode.numpy_dtype(0)
assert err.value.args[0] == 'Unsupported Representation code 0'
def test_numpy_dtype(rc, expected):
assert RepCode.numpy_dtype(rc) == expected
