def set_stack_properties(self, stack_properties: Optional[dict] = None) -> None:
# TODO: get time to complete for complete stacks and % complete
props: dict = stack_properties if stack_properties else {}
self._timer.cancel()
if not props:
describe_stacks = self.client.describe_stacks
props = describe_stacks(StackName=self.id)["Stacks"][0]
iterable_props: List[Tuple[str, Callable]] = [
("Parameters", Parameter),
("Outputs", Output),
("Tags", Tag),
]
for prop_name, prop_class in iterable_props:
for item in props.get(prop_name, []):
item = prop_class(item)
self._merge_props(getattr(self, prop_name.lower()), item)
for key, value in props.items():
if key in [p[0] for p in iterable_props]: # noqa: C412
continue
key = pascal_to_snake(key).replace("stack_", "")
setattr(self, key, value)
if self.status in StackStatus.IN_PROGRESS:
self._timer = Timer(
self._auto_refresh_interval.total_seconds(), self.refresh
)
self._timer.start()
def test_pascal_to_snake(self):
actual = pascal_to_snake("MyParam")
self.assertEqual("my_param", actual)
actual = pascal_to_snake("VPCParam")
self.assertEqual("vpcparam", actual)