from __future__ import annotations from typing import Any MARKET_PRESET_OPTIONS = [ "Custom", "Stocks Swing", "Crypto Intraday", "Crypto Swing", ] def apply_market_preset(base: dict[str, Any], preset: str) -> dict[str, Any]: updated = dict(base) if preset == "Stocks Swing": updated.update( { "interval": "1d", "period": "6mo", "max_bars": 500, "drop_live": True, "hide_market_closed_gaps": True, "enable_auto_refresh": False, } ) elif preset == "Crypto Intraday": updated.update( { "interval": "1h", "period": "3mo", "max_bars": 1000, "drop_live": True, "hide_market_closed_gaps": False, "enable_auto_refresh": True, "refresh_sec": 60, } ) elif preset == "Crypto Swing": updated.update( { "interval": "4h", "period": "6mo", "max_bars": 800, "drop_live": True, "hide_market_closed_gaps": False, "enable_auto_refresh": False, } ) return updated