def __setitem__(self, key: str, item) -> None:
if not isinstance(key, str):
raise KeyError
if item is None:
self._remove_item(key)
elif not isinstance(item, Node):
if key in self._content:
self._kill += [self._content[key]]
import data_formats
self._content[key] = data_formats.available_types[type(item)](
self, "{:s}.leaf".format(key),
Meta.create_meta(self.top_level_meta,
self.path / "{:s}.leaf/".format(key)))
self._content[key].data = item
else:
if key not in self._content:
self._content[key] = item
else:
self._kill += [self._content[key]]
self._content[key] = item
def create_branch(parent: "Branch", name: str) -> "Branch":
return Branch(
parent, name, {},
Meta.create_meta(parent.top_level_meta, parent.path / name))
