Files
2026-07-04 16:32:48 +08:00

72 lines
2.3 KiB
Python

"""策略配置持久化 — 读写用户覆盖值。
职责: 将每个策略的用户定制设置(基础参数、策略参数、评分、买卖信号)持久化到 JSON。
不知道: 引擎、AI、前端、回测。
存储: data/user_data/strategy_overrides/{strategy_id}.json
"""
from __future__ import annotations
import json
import logging
from pathlib import Path
logger = logging.getLogger(__name__)
def _overrides_dir(data_dir: Path) -> Path:
d = data_dir / "user_data" / "strategy_overrides"
d.mkdir(parents=True, exist_ok=True)
return d
def _path(data_dir: Path, strategy_id: str) -> Path:
return _overrides_dir(data_dir) / f"{strategy_id}.json"
def load_override(data_dir: Path, strategy_id: str) -> dict:
"""读取策略的用户覆盖配置,不存在返回空 dict"""
p = _path(data_dir, strategy_id)
if not p.exists():
return {}
try:
data = json.loads(p.read_text(encoding="utf-8"))
# 清理 basic_filter 中值为 None/空的键(避免固化无意义的空值)
bf = data.get("basic_filter")
if isinstance(bf, dict):
cleaned = {k: v for k, v in bf.items() if v is not None}
if cleaned:
data["basic_filter"] = cleaned
else:
del data["basic_filter"]
return data
except Exception as e:
logger.warning("load override %s failed: %s", strategy_id, e)
return {}
def save_override(data_dir: Path, strategy_id: str, overrides: dict) -> None:
"""保存策略的用户覆盖配置(全量覆盖写)"""
p = _path(data_dir, strategy_id)
p.parent.mkdir(parents=True, exist_ok=True)
p.write_text(json.dumps(overrides, ensure_ascii=False, indent=2), encoding="utf-8")
def delete_override(data_dir: Path, strategy_id: str) -> None:
"""删除策略的用户覆盖配置(重置为默认值)"""
p = _path(data_dir, strategy_id)
if p.exists():
p.unlink()
def list_overrides(data_dir: Path) -> dict[str, dict]:
"""返回所有策略的覆盖配置 {strategy_id: overrides}"""
d = _overrides_dir(data_dir)
result: dict[str, dict] = {}
for f in d.glob("*.json"):
try:
sid = f.stem
result[sid] = json.loads(f.read_text(encoding="utf-8"))
except Exception:
continue
return result