def add_component(self,
component: Metadatable,
name: str = None,
update_snapshot: bool = True) -> str:
"""
Record one component as part of this Station.
Args:
component: Components to add to the Station.
name: Name of the component.
update_snapshot: Immediately update the snapshot
of each component as it is added to the Station.
Returns:
str: The name assigned this component, which may have been changed
to make it unique among previously added components.
"""
try:
component.snapshot(update=update_snapshot)
except:
pass
if name is None:
name = getattr(component, 'name',
'component{}'.format(len(self.components)))
namestr = str(name)
if namestr in self.components.keys():
raise RuntimeError(
f'Cannot add component "{namestr}", because a '
'component of that name is already registered to the station')
self.components[namestr] = component
return namestr
def add_component(self, component: Metadatable, name: str = None,
update_snapshot: bool = True) -> str:
"""
Record one component as part of this Station.
Args:
component (Any): components to add to the Station.
name (str): name of the component
update_snapshot (bool): immediately update the snapshot
of each component as it is added to the Station, default true
Returns:
str: The name assigned this component, which may have been changed
to make it unique among previously added components.
"""
try:
component.snapshot(update=update_snapshot)
except:
pass
if name is None:
name = getattr(component, 'name',
'component{}'.format(len(self.components)))
namestr = make_unique(str(name), self.components)
self.components[namestr] = component
return namestr
def test_snapshot(self):
m = Metadatable(metadata={6: 7})
self.assertEqual(m.snapshot_base(), {})
self.assertEqual(m.snapshot(), {'metadata': {6: 7}})
del m.metadata[6]
self.assertEqual(m.snapshot(), {})
sb = self.HasSnapshotBase(metadata={7: 8})
self.assertEqual(sb.snapshot_base(), {'cheese': 'gruyere'})
self.assertEqual(sb.snapshot(),
{'cheese': 'gruyere', 'metadata': {7: 8}})
del sb.metadata[7]
self.assertEqual(sb.snapshot(), sb.snapshot_base())
s = self.HasSnapshot(metadata={8: 9})
self.assertEqual(s.snapshot(), {'fruit': 'kiwi'})
self.assertEqual(s.snapshot_base(), {})
self.assertEqual(s.metadata, {8: 9})
def test_snapshot():
m = Metadatable(metadata={6: 7})
assert m.snapshot_base() == {}
assert m.snapshot() == {'metadata': {6: 7}}
del m.metadata[6]
assert m.snapshot() == {}
sb = HasSnapshotBase(metadata={7: 8})
assert sb.snapshot_base() == {'cheese': 'gruyere'}
assert sb.snapshot() == \
{'cheese': 'gruyere', 'metadata': {7: 8}}
del sb.metadata[7]
assert sb.snapshot() == sb.snapshot_base()
s = HasSnapshot(metadata={8: 9})
assert s.snapshot() == {'fruit': 'kiwi'}
assert s.snapshot_base() == {}
assert s.metadata == {8: 9}