def pipette_by_name(
self,
mount,
name_or_model,
trash_container='',
tip_racks=[],
aspirate_flow_rate=None,
dispense_flow_rate=None,
min_volume=None,
max_volume=None,
blow_out_flow_rate=None):
pipette_model_version, pip_id = self._pipette_details(
mount, name_or_model)
config = pipette_config.load(pipette_model_version, pip_id)
if pip_id and config.backcompat_name == name_or_model:
log.warning(
f"Using a deprecated constructor for {pipette_model_version}")
constructor_config = pipette_config.name_config()[name_or_model]
config = config._replace(
min_volume=constructor_config['minVolume'],
max_volume=constructor_config['maxVolume'])
name_or_model = config.name
return self._create_pipette_from_config(
config=config,
mount=mount,
name=name_or_model,
model=pipette_model_version,
trash_container=trash_container,
tip_racks=tip_racks,
aspirate_flow_rate=aspirate_flow_rate,
dispense_flow_rate=dispense_flow_rate,
min_volume=min_volume,
max_volume=max_volume,
blow_out_flow_rate=blow_out_flow_rate)
def test_backwards_compatibility(backcompat, monkeypatch):
expected_name, old_name, old_constructor = backcompat
robot.reset()
fake_pip = {
'left': {
'model': None,
'id': None,
'name': None
},
'right': {
'model': expected_name.split('_gen2')[0] + '_v2.0',
'id': 'FakePip',
'name': expected_name
}
}
monkeypatch.setattr(robot, 'model_by_mount', fake_pip)
old_config = pipette_config.name_config()[old_name]
pipette = old_constructor(mount='right')
assert pipette.name.startswith(expected_name) is True
assert pipette.mount == 'right'
assert pipette.min_volume == old_config['minVolume']
assert pipette.max_volume == old_config['maxVolume']
def act_as(self, name: PipetteName):
""" Reconfigure to act as ``name``. ``name`` must be either the
actual name of the pipette, or a name in its back-compatibility
config.
"""
if name == self._acting_as:
return
assert name in self._config.back_compat_names + [self.name],\
f'{self._name} is not back-compatible with {name}'
name_conf = pipette_config.name_config()
bc_conf = name_conf[name]
self.working_volume = bc_conf['maxVolume']
self.update_config_item('min_volume', bc_conf['minVolume'])
self.update_config_item('max_volume', bc_conf['maxVolume'])