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tick-stock-panel/backend/app/strategy/monitor_rules.py
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Python

"""监控规则 — 统一的 MonitorRule 模型,覆盖策略/个股信号/个股价格/市场异动四类。
职责:
- 从 data/user_data/monitor_rules/*.json 加载规则定义
- 校验规则字段合法性
- 提供 CRUD (load_all / save_one / delete_one)
不知道: 行情评估引擎、API、告警落盘。纯函数 + 文件存储。
设计 (镜像 custom_signals.py 的写法):
- 一对象一文件 + glob 全扫 + 全量重写
- 字段白名单复用 custom_signals.ALLOWED_FIELDS (阈值条件) + 信号列清单 (布尔条件)
- id 正则与 custom_signals 一致,保证可纳入同一索引体系
"""
from __future__ import annotations
import json
import logging
import re
from datetime import datetime, timezone
from pathlib import Path
from app.strategy.custom_signals import ALLOWED_FIELDS
from app.strategy.intraday_signals import uses_intraday_signals
logger = logging.getLogger(__name__)
# ── 常量 ────────────────────────────────────────────────
ID_RE = re.compile(r"^[a-z0-9_]{1,40}$")
RULE_TYPES = {"strategy", "signal", "price", "market", "ladder", "sector"}
SCOPES = {"symbols", "all", "sector"}
LOGICS = {"and", "or"}
DIRECTIONS = {"entry", "exit", "both"}
STRATEGY_NOTIFY_EVENTS = {"buy_signal", "sell_signal", "pool_entry", "pool_exit"}
SEVERITIES = {"info", "warn", "critical"}
OPS = {">", ">=", "<", "<=", "==", "!="}
# ladder 规则: 封单监控的指标 (量=手, 额=元)
LADDER_METRICS = {"sealed_vol", "sealed_amount"}
# ladder 规则: 方向 (up=涨停炸板预警, down=跌停翘板预警)
LADDER_DIRECTIONS = {"up", "down"}
SECTOR_KINDS = {"index", "concept", "industry"}
SECTOR_TRIGGERS = {"change_pct", "momentum"}
SECTOR_WINDOWS = {1, 3, 5, 10, 15}
# 布尔信号列前缀 (op=truth 时 field 取这些)
_SIGNAL_PREFIXES = ("signal_", "csg_")
# ── 持久化 (镜像 custom_signals.py) ─────────────────────
def _dir(data_dir: Path) -> Path:
d = data_dir / "user_data" / "monitor_rules"
d.mkdir(parents=True, exist_ok=True)
return d
def _path(data_dir: Path, rule_id: str) -> Path:
return _dir(data_dir) / f"{rule_id}.json"
def load_all(data_dir: Path) -> list[dict]:
"""读取全部监控规则。损坏的文件被跳过。"""
d = _dir(data_dir)
out: list[dict] = []
for f in sorted(d.glob("*.json")):
try:
out.append(normalize(json.loads(f.read_text(encoding="utf-8"))))
except Exception as e:
logger.warning("monitor rule load failed %s: %s", f.name, e)
return out
def load_one(data_dir: Path, rule_id: str) -> dict | None:
p = _path(data_dir, rule_id)
if not p.exists():
return None
try:
return normalize(json.loads(p.read_text(encoding="utf-8")))
except Exception as e:
logger.warning("monitor rule load failed %s: %s", rule_id, e)
return None
def save_one(data_dir: Path, rule: dict) -> None:
p = _path(data_dir, rule["id"])
p.parent.mkdir(parents=True, exist_ok=True)
p.write_text(json.dumps(rule, ensure_ascii=False, indent=2), encoding="utf-8")
def delete_one(data_dir: Path, rule_id: str) -> bool:
p = _path(data_dir, rule_id)
if p.exists():
p.unlink()
return True
return False
# ── 校验 ────────────────────────────────────────────────
def _is_signal_field(field: str) -> bool:
"""判断 field 是否为布尔信号列 (signal_ / csg_ 前缀)。"""
return any(field.startswith(p) for p in _SIGNAL_PREFIXES)
def validate(rule: dict) -> None:
"""校验一条监控规则,非法则抛 ValueError (含中文信息)。"""
rid = rule.get("id", "")
if not isinstance(rid, str) or not ID_RE.match(rid):
raise ValueError(f"规则 id 非法 (仅小写字母数字下划线, 1-40字符): {rid!r}")
if not isinstance(rule.get("name"), str) or not rule["name"].strip():
raise ValueError("规则 name 不能为空")
if rule.get("type") not in RULE_TYPES:
raise ValueError(f"type 必须是 {RULE_TYPES} 之一")
# 指数规则: 仅 signal/price + symbols 作用域 + 不含分时信号
# (指数无涨跌停/策略/封单语义; 无本地分钟K, 分时信号会静默不触发)
if rule.get("asset_type") == "index":
if rule.get("type") not in ("signal", "price"):
raise ValueError("指数监控仅支持 signal/price 类型 (无涨跌停/策略/封单语义)")
if rule.get("scope") != "symbols":
raise ValueError("指数监控仅支持指定标的 (scope=symbols)")
if uses_intraday_signals(rule):
raise ValueError("指数无本地分钟K数据, 不支持分时信号条件")
# 策略类型: 需要 strategy_id + direction,conditions 可空
if rule.get("type") == "strategy":
if not rule.get("strategy_id"):
raise ValueError("策略类型规则必须指定 strategy_id")
if rule.get("direction", "entry") not in DIRECTIONS:
raise ValueError(f"direction 必须是 {DIRECTIONS} 之一")
notify_events = rule.get("notify_events")
if not isinstance(notify_events, list) or not notify_events:
raise ValueError("策略类型规则至少选择一个通知事件")
invalid_events = set(notify_events) - STRATEGY_NOTIFY_EVENTS
if invalid_events:
raise ValueError(f"notify_events 包含非法事件: {sorted(invalid_events)}")
elif rule.get("type") == "ladder":
# 连板梯队封单监控: 需 metric + threshold + direction(up/down), 不用 conditions
if rule.get("metric", "sealed_vol") not in LADDER_METRICS:
raise ValueError(f"metric 必须是 {LADDER_METRICS} 之一")
if rule.get("direction", "up") not in LADDER_DIRECTIONS:
raise ValueError(f"direction 必须是 {LADDER_DIRECTIONS} 之一 (up=涨停炸板, down=跌停翘板)")
thr = rule.get("threshold")
if not isinstance(thr, (int, float)) or thr < 0:
raise ValueError("threshold 必须是非负数字 (封单 ≤ 此值时报警)")
elif rule.get("type") == "sector":
kind = rule.get("sector_kind")
if kind not in SECTOR_KINDS:
raise ValueError(f"sector_kind 必须是 {SECTOR_KINDS} 之一")
targets = rule.get("sector_targets")
if not isinstance(targets, list) or not targets:
raise ValueError("板块监控至少选择一个监控对象")
if len(targets) > 20:
raise ValueError("板块监控对象最多 20 个")
for target in targets:
if not isinstance(target, dict) or not target.get("key") or not target.get("name"):
raise ValueError("板块监控对象格式错误")
if target.get("kind") != kind:
raise ValueError("板块监控对象类型必须一致")
if rule.get("sector_trigger") not in SECTOR_TRIGGERS:
raise ValueError(f"sector_trigger 必须是 {SECTOR_TRIGGERS} 之一")
if rule.get("direction") not in LADDER_DIRECTIONS:
raise ValueError("板块监控 direction 必须是 up 或 down")
threshold_pct = rule.get("threshold_pct")
if not isinstance(threshold_pct, (int, float)) or not 0 < threshold_pct <= 20:
raise ValueError("板块监控阈值必须大于 0 且不超过 20%")
if rule.get("sector_trigger") == "momentum" and rule.get("window_minutes") not in SECTOR_WINDOWS:
raise ValueError(f"板块异动窗口必须是 {sorted(SECTOR_WINDOWS)} 分钟之一")
else:
# 信号/价格/市场类型: 需要 conditions
conds = rule.get("conditions")
if not isinstance(conds, list) or len(conds) == 0:
raise ValueError("conditions 不能为空")
if len(conds) > 8:
raise ValueError("conditions 最多 8 条")
if rule.get("logic", "and") not in LOGICS:
raise ValueError(f"logic 必须是 {LOGICS} 之一")
for i, c in enumerate(conds):
if not isinstance(c, dict):
raise ValueError(f"第 {i+1} 个条件格式错误")
field = c.get("field", "")
op = c.get("op", "")
if op == "truth":
# 布尔信号: field 必须是 signal_/csg_ 前缀
if not _is_signal_field(field):
raise ValueError(f"第 {i+1} 个条件: op=truth 时 field 必须是信号列 (signal_/csg_ 前缀): {field!r}")
elif op in OPS:
# 阈值比较: field 必须在白名单, 需要 value
if field not in ALLOWED_FIELDS:
raise ValueError(f"第 {i+1} 个条件: 阈值字段 {field!r} 不在白名单")
if not isinstance(c.get("value"), (int, float)):
raise ValueError(f"第 {i+1} 个条件: value 必须是数字")
else:
raise ValueError(f"第 {i+1} 个条件: op {op!r} 非法 (应为 truth 或 {OPS})")
# scope 校验
if rule.get("scope", "symbols") not in SCOPES:
raise ValueError(f"scope 必须是 {SCOPES} 之一")
if rule.get("scope") == "symbols":
syms = rule.get("symbols")
if not isinstance(syms, list) or len(syms) == 0:
raise ValueError("scope=symbols 时 symbols 不能为空")
if uses_intraday_signals(rule) and rule.get("scope") != "symbols":
raise ValueError("分时穿越信号仅支持指定标的")
# sector 作用域的板块 JOIN 尚未实现: _apply_scope 目前会退化为「全市场」,
# 一条本意针对某板块的规则会对全市场每只命中都触发(告警风暴)。在板块 JOIN
# 落地前, 拒绝创建 sector 规则(fail-closed), 避免用户建出会刷屏的规则。
if rule.get("scope") == "sector":
raise ValueError("scope=sector 暂未支持(板块 JOIN 未实现),请改用 scope=symbols 指定标的或 scope=all")
# 其余枚举
if rule.get("severity", "info") not in SEVERITIES:
raise ValueError(f"severity 必须是 {SEVERITIES} 之一")
cd = rule.get("cooldown_seconds", 3600)
if not isinstance(cd, int) or cd < 0:
raise ValueError("cooldown_seconds 必须是非负整数")
def normalize(rule: dict) -> dict:
"""补全默认字段,返回规范化后的规则 (不校验)。"""
r = dict(rule)
r.setdefault("enabled", True)
r.setdefault("asset_type", "stock")
r.setdefault("scope", "symbols")
r.setdefault("symbols", [])
r.setdefault("sector", None)
r.setdefault("sector_kind", None)
r.setdefault("sector_targets", [])
r.setdefault("sector_trigger", "change_pct")
r.setdefault("threshold_pct", 1.0)
r.setdefault("window_minutes", 5)
r.setdefault("strategy_id", None)
# direction 默认值: ladder/sector 用 "up", 其余用 "entry"
r.setdefault("direction", "up" if r.get("type") in {"ladder", "sector"} else "entry")
if r.get("type") == "strategy":
if r.get("notify_events") is None:
# 兼容统一监控上线后的旧规则: 当时实际行为是同时通知进入和移出。
r["notify_events"] = ["pool_entry", "pool_exit"]
else:
r["notify_events"] = list(dict.fromkeys(r["notify_events"]))
else:
r.pop("notify_events", None)
r.setdefault("conditions", [])
# ladder 专属默认字段
r.setdefault("metric", "sealed_vol")
r.setdefault("threshold", 0)
if r.get("type") == "sector":
r["scope"] = "all"
r["symbols"] = []
r.setdefault("logic", "and")
r.setdefault("cooldown_seconds", 3600)
r.setdefault("severity", "info")
r.setdefault("message", "")
r.setdefault("webhook_url", "")
r.setdefault("webhook_enabled", False)
# webhook_channels: 命中时推送的外部渠道 (合法值 'feishu' | 'wecom')。
# 向后兼容: 老规则只有 webhook_enabled 布尔 (当时勾选即飞书+企业微信双推),
# 这里把 webhook_enabled=True 但未带 webhook_channels 的老规则迁移为 ['feishu','wecom'],
# 还原其当时的实际行为, 用户无感知。
if r.get("webhook_channels") is None:
r["webhook_channels"] = ["feishu", "wecom"] if r.get("webhook_enabled") else []
else:
# 防御性过滤, 只保留合法渠道
r["webhook_channels"] = [c for c in r["webhook_channels"] if c in ("feishu", "wecom")]
r.setdefault("created_at", datetime.now(timezone.utc).isoformat())
return r
# 策略监控自动迁移的规则 id 前缀 (固定, 保证幂等)
STRATEGY_RULE_PREFIX = "mr_strategy_"
def strategy_rule_id(strategy_id: str) -> str:
"""策略监控规则 id = mr_strategy_{strategy_id}。"""
return f"{STRATEGY_RULE_PREFIX}{strategy_id}"
def migrate_strategy_monitors(data_dir: Path, strategy_ids: list[str], strategy_names: dict[str, str]) -> list[dict]:
"""把 preferences.strategy_monitor_ids 里的策略,同步生成/更新 type=strategy 规则。
幂等: 已存在的策略规则会被更新 (方向/名称),不会重复创建。
已从 strategy_ids 移除的策略, 其规则会被停用 (enabled=False) 而非删除 (保留历史触发记录的关联)。
Args:
data_dir: 数据目录
strategy_ids: 当前监控池中的策略 id 列表
strategy_names: {strategy_id: 策略名} 用于规则显示名
Returns:
本次生成/更新的规则列表
"""
desired = set(strategy_ids)
existing = load_all(data_dir)
# 已存在的策略规则 {strategy_id: rule}
existing_strategy_rules: dict[str, dict] = {}
for r in existing:
rid = r.get("id", "")
if rid.startswith(STRATEGY_RULE_PREFIX):
sid = rid[len(STRATEGY_RULE_PREFIX):]
if sid:
existing_strategy_rules[sid] = r
touched: list[dict] = []
# 1. 为当前监控池的策略 upsert 规则
for sid in desired:
rule_id = strategy_rule_id(sid)
name = strategy_names.get(sid, sid)
rule = existing_strategy_rules.get(sid)
if rule is None:
rule = normalize({
"id": rule_id,
"name": f"策略监控 · {name}",
"type": "strategy",
"scope": "all",
"strategy_id": sid,
"direction": "entry",
"notify_events": ["pool_entry", "pool_exit"],
"conditions": [],
"cooldown_seconds": 3600,
"enabled": True,
})
else:
rule = dict(rule)
rule["enabled"] = True
rule["strategy_id"] = sid
rule["name"] = f"策略监控 · {name}"
rule.setdefault("scope", "all")
rule.setdefault("direction", "entry")
save_one(data_dir, rule)
touched.append(rule)
# 2. 不在监控池的策略 → 停用其规则 (不删除)
for sid, rule in existing_strategy_rules.items():
if sid not in desired and rule.get("enabled") is not False:
rule = dict(rule)
rule["enabled"] = False
save_one(data_dir, rule)
return touched