def __delitem__(self, key):
# type: (str) -> None
self._raise_for_scope_violation()
unique_key = get_item_state_prefix() + (key, )
if unique_key not in get_all_item_states():
raise KeyError(key)
clear_item_state(key)
def __iter__(self) -> Iterator:
self._raise_for_scope_violation()
prefix = get_item_state_prefix()
return iter(unique_key[-1] for unique_key in get_all_item_states()
if unique_key[:2] == prefix)
def __len__(self) -> int:
self._raise_for_scope_violation()
prefix = get_item_state_prefix()
return sum(unique_key[:2] == prefix
for unique_key in get_all_item_states())
def __delitem__(self, key: str) -> None:
prefix = self._get_validated_item_state_prefix()
unique_key = prefix + (key, )
if unique_key not in get_all_item_states():
raise KeyError(key)
clear_item_state(key)
def __getitem__(self, key: str) -> Any:
prefix = self._get_validated_item_state_prefix()
unique_key = prefix + (key, )
return get_all_item_states()[unique_key]
def __getitem__(self, key):
# type: (str) -> Any
self._raise_for_scope_violation()
unique_key = get_item_state_prefix() + (key, )
return get_all_item_states()[unique_key]
