reflex/reflex/istate/wrappers.py
Khaleel Al-Adhami b9d73edd66
add metainfo to keyevent (#4287)
* allow for event handlers to ignore args

* use a constant

* dang it darglint

* forgor

* keep the tests but move them to valid place

* add metainfo to keyevent

* format code

* fix pyi files

* generate all prefixes of event types

* change format rule
2024-11-06 15:10:02 -08:00

28 lines
904 B
Python

"""Wrappers for the state manager."""
from typing import Any
from reflex.istate.proxy import ReadOnlyStateProxy
from reflex.state import _split_substate_key, _substate_key, get_state_manager
async def get_state(token, state_cls: Any | None = None) -> ReadOnlyStateProxy:
"""Get the instance of a state for a token.
Args:
token: The token for the state.
state_cls: The class of the state.
Returns:
A read-only proxy of the state instance.
"""
mng = get_state_manager()
if state_cls is not None:
root_state = await mng.get_state(_substate_key(token, state_cls))
else:
root_state = await mng.get_state(token)
_, state_path = _split_substate_key(token)
state_cls = root_state.get_class_substate(tuple(state_path.split(".")))
instance = await root_state.get_state(state_cls)
return ReadOnlyStateProxy(instance)