def from_storage(
cls,
*,
body: bodies.Body,
storage: progress.ProgressStorage,
handlers: Collection[handlers_.BaseHandler],
) -> "State":
handler_states: Dict[handlers_.HandlerId, HandlerState] = {}
for handler in handlers:
content = storage.fetch(key=handler.id, body=body)
handler_states[handler.id] = (HandlerState.from_storage(content) if content else
HandlerState.from_scratch())
return cls(handler_states)
def from_storage(
cls,
*,
body: bodies.Body,
storage: progress.ProgressStorage,
handlers: Iterable[handlers_.BaseHandler],
) -> "State":
handler_ids = {handler.id for handler in handlers}
handler_states: Dict[ids.HandlerId, HandlerState] = {}
for handler_id in handler_ids:
content = storage.fetch(key=handler_id, body=body)
if content is not None:
handler_states[handler_id] = HandlerState.from_storage(content)
return cls(handler_states)