expose rx.get_state() to get instance of state from anywhere

reflex/__init__.py

@@ -328,6 +328,7 @@ _MAPPING: dict = {
         "ComponentState",
         "State",
     ],
+    "istate": ["get_state"],
     "style": ["Style", "toggle_color_mode"],
     "utils.imports": ["ImportVar"],
     "utils.serializers": ["serializer"],

reflex/__init__.pyi

@@ -174,6 +174,7 @@ from .event import stop_propagation as stop_propagation
 from .event import upload_files as upload_files
 from .event import window_alert as window_alert
 from .experimental import _x as _x
+from .istate import get_state as get_state
 from .middleware import Middleware as Middleware
 from .middleware import middleware as middleware
 from .model import Model as Model

reflex/istate/__init__.py

@@ -0,0 +1,3 @@
+"""This module will provide interfaces for the state."""
+
+from .wrappers import get_state

reflex/istate/wrappers.py

@@ -0,0 +1,25 @@
+"""Wrappers for the state manager."""
+
+from typing import Any
+
+from reflex.state import _split_substate_key, _substate_key, get_state_manager
+
+
+async def get_state(token, state_cls: Any | None = None):
+    """Get the instance of a state for a token.
+
+    Args:
+        token: The token for the state.
+        state_cls: The class of the state.
+
+    Returns:
+        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(".")))
+    return await root_state.get_state(state_cls)