momentum devandClaude Opus 4.8
007cd95c79
Snapshot before the DuckDB->PostgreSQL migration. data/, archive/, the 232MB rebuild zip, the Windows .venv, and .env are excluded via .gitignore. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
24 lines
681 B
Python
24 lines
681 B
Python
from __future__ import annotations
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import os
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from dataclasses import dataclass
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from typing import Literal, cast
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TradingMode = Literal["schwab_live", "alpaca_paper"]
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@dataclass(frozen=True)
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class TradingModeSettings:
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execution_mode: TradingMode = "alpaca_paper"
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@classmethod
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def from_env(cls, env: dict[str, str] | None = None) -> "TradingModeSettings":
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values = dict(os.environ)
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if env is not None:
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values.update(env)
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mode = values.get("TRADING_EXECUTION_MODE", "alpaca_paper")
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if mode not in {"schwab_live", "alpaca_paper"}:
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mode = "alpaca_paper"
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return cls(execution_mode=cast(TradingMode, mode))
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