Upload gamestate.py

gamestate.py

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+from typing import TypeVar
+import dataclasses
+
+import streamlit as st
+
+StateT = TypeVar('StateT')
+
+def persistent_game_state(initial_state: StateT) -> StateT:
+    session_id = st.report_thread.get_report_ctx().session_id
+    session = st.server.server.Server.get_current()._get_session_info(session_id).session
+    if not hasattr(session, '_gamestate'):
+        setattr(session, '_gamestate', initial_state)
+    return session._gamestate