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2026-07-19 228d838fdb7f7dde7edc4993fdbb9654c9c31df7
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from __future__ import annotations
 
import hashlib
import json
import os
import re
from pathlib import Path
 
import pandas as pd
import pymysql
 
 
RUN_ID = "RUN-ANA-WUJI-BASELINE-PILOT-20260607-001"
ROOT = Path(__file__).resolve().parents[1]
PROJECT_ROOT = ROOT.parents[2]
LOCAL_DB_INDEX = Path(
    r"D:\strategy_project\s-system-doc\observer\天下模型沉淀\数据库索引数据.md"
)
 
 
def read_password() -> str:
    env = os.environ.get("TIANXIA_MYSQL_PASSWORD") or os.environ.get("MYSQL_PWD")
    if env:
        return env
    text = LOCAL_DB_INDEX.read_text(encoding="utf-8")
    match = re.search(r"^\s*-\s*密码:`([^`]+)`", text, re.MULTILINE)
    if not match:
        raise RuntimeError("Unable to read local MySQL credential from approved local index.")
    return match.group(1)
 
 
def get_conn():
    return pymysql.connect(
        host="127.0.0.1",
        port=3306,
        user="root",
        password=read_password(),
        database="tianxia",
        charset="utf8mb4",
        connect_timeout=5,
        read_timeout=120,
    )
 
 
def sha256_file(path: Path) -> str:
    h = hashlib.sha256()
    with path.open("rb") as f:
        for chunk in iter(lambda: f.read(1024 * 1024), b""):
            h.update(chunk)
    return h.hexdigest()
 
 
def write_csv(df: pd.DataFrame, name: str) -> Path:
    path = ROOT / name
    df.to_csv(path, index=False, encoding="utf-8-sig")
    return path
 
 
def main() -> None:
    cfg = json.loads((ROOT / "run_config.json").read_text(encoding="utf-8"))
    minute_start = cfg["data_sources"]["minute_price_source"]["actual_coverage_start"]
    minute_end = cfg["data_sources"]["minute_price_source"]["actual_coverage_end"]
    pull_start = "2022-10-01"
    pull_end = minute_end
 
    with get_conn() as conn:
        daily = pd.read_sql(
            """
            SELECT trade_date, symbol, open_price, high_price, low_price, close_price, volume, amount
            FROM a_share_daily_price
            WHERE trade_date BETWEEN %(start)s AND %(end)s
            ORDER BY symbol, trade_date
            """,
            conn,
            params={"start": pull_start, "end": pull_end},
        )
        breadth = pd.read_sql(
            """
            SELECT trade_date, stock_count, up_count, flat_count, down_count, run_id, price_source_table
            FROM ts_market_breadth_daily_cache
            WHERE trade_date BETWEEN %(start)s AND %(end)s
              AND scope_type='ALL_A_SHARE' AND scope_value='ALL'
            ORDER BY trade_date
            """,
            conn,
            params={"start": "2023-01-01", "end": minute_end},
        )
        calendar = pd.read_sql(
            """
            SELECT calendar_date, is_trading_day, trade_date_rank
            FROM a_share_trading_calendar
            WHERE calendar_date BETWEEN %(start)s AND %(end)s
            ORDER BY calendar_date
            """,
            conn,
            params={"start": "2023-01-01", "end": minute_end},
        )
 
    for col in ["trade_date"]:
        daily[col] = pd.to_datetime(daily[col])
        breadth[col] = pd.to_datetime(breadth[col])
    calendar["calendar_date"] = pd.to_datetime(calendar["calendar_date"])
 
    price_cols = ["open_price", "high_price", "low_price", "close_price", "volume", "amount"]
    for col in price_cols:
        daily[col] = pd.to_numeric(daily[col], errors="coerce")
 
    daily = daily.sort_values(["symbol", "trade_date"]).reset_index(drop=True)
    grouped = daily.groupby("symbol", group_keys=False)
    daily["prev_close"] = grouped["close_price"].shift(1)
    daily["prev5_avg_volume"] = grouped["volume"].transform(
        lambda s: s.shift(1).rolling(5, min_periods=5).mean()
    )
    daily["volume_ratio"] = daily["volume"] / daily["prev5_avg_volume"]
    daily["daily_return_pct"] = (daily["close_price"] / daily["prev_close"] - 1.0) * 100.0
    daily["limit_up_event_flag"] = daily["prev_close"].gt(0) & (daily["high_price"] / daily["prev_close"] - 1.0).ge(0.095)
    daily["recent_limitup_30_flag"] = grouped["limit_up_event_flag"].transform(
        lambda s: s.rolling(30, min_periods=1).max().astype(bool)
    )
    daily["upper_shadow_pct"] = (
        (daily["high_price"] - daily[["open_price", "close_price"]].max(axis=1)) / daily["prev_close"]
    ) * 100.0
    daily["body_pct"] = ((daily["close_price"] - daily["open_price"]).abs() / daily["prev_close"]) * 100.0
 
    daily["prev60_high"] = grouped["high_price"].transform(
        lambda s: s.shift(1).rolling(60, min_periods=20).max()
    )
    daily["prev60_low"] = grouped["low_price"].transform(
        lambda s: s.shift(1).rolling(60, min_periods=20).min()
    )
    daily["flat60_range_pct"] = (daily["prev60_high"] / daily["prev60_low"] - 1.0) * 100.0
    daily["flat60_flag"] = daily["flat60_range_pct"].le(35.0)
 
    # Previous-high reference volume: use the first occurrence of the 60-day rolling high.
    # This preserves the audited pilot candidate semantics while exposing the policy in ledgers.
    prev_high_volume = []
    prev_high_ref_date = []
    prev_high_ref_policy = []
    last_limit_date = []
    for _symbol, g in daily.groupby("symbol", sort=False):
        highs = g["high_price"].to_numpy()
        vols = g["volume"].to_numpy()
        dates = g["trade_date"].to_numpy()
        limit_flags = g["limit_up_event_flag"].to_numpy()
        for i in range(len(g)):
            start = max(0, i - 60)
            if i - start >= 20:
                window_highs = highs[start:i]
                max_pos = int(window_highs.argmax())
                prev_high_volume.append(vols[start + max_pos])
                prev_high_ref_date.append(pd.Timestamp(dates[start + max_pos]))
                prev_high_ref_policy.append("FIRST_PREVIOUS_HIGH_IN_60D_WINDOW")
            else:
                prev_high_volume.append(float("nan"))
                prev_high_ref_date.append(pd.NaT)
                prev_high_ref_policy.append("")
            lim_start = max(0, i - 29)
            recent_idx = [idx for idx in range(lim_start, i + 1) if limit_flags[idx]]
            last_limit_date.append(pd.Timestamp(dates[recent_idx[-1]]) if recent_idx else pd.NaT)
    daily["prev60_high_volume"] = prev_high_volume
    daily["prev60_high_ref_date"] = prev_high_ref_date
    daily["prev60_high_ref_policy"] = prev_high_ref_policy
    daily["last_limitup_date"] = last_limit_date
    daily["days_since_last_limitup"] = (daily["trade_date"] - daily["last_limitup_date"]).dt.days
    daily["touch_prev_high_flag"] = daily["prev60_high"].gt(0) & daily["high_price"].ge(daily["prev60_high"] * 0.995)
    daily["prev_high_volume_pass_flag"] = (~daily["touch_prev_high_flag"]) | daily["volume"].gt(daily["prev60_high_volume"])
 
    trade_dates = sorted(pd.to_datetime(daily["trade_date"].drop_duplicates()).tolist())
    entry_links = pd.DataFrame(
        {
            "signal_trade_date": trade_dates[:-1],
            "entry_trade_date": trade_dates[1:],
        }
    )
    entry_links = entry_links[
        (entry_links["entry_trade_date"] >= pd.Timestamp(minute_start))
        & (entry_links["entry_trade_date"] <= pd.Timestamp(minute_end))
    ].copy()
 
    breadth = breadth.rename(columns={"trade_date": "signal_trade_date"})
    entry_links = entry_links.merge(breadth, on="signal_trade_date", how="left")
    entry_links["market_gate_open_flag"] = entry_links["up_count"].fillna(-1).ge(3000)
    entry_links["market_gate_status"] = entry_links["market_gate_open_flag"].map(
        {True: "MKT_GATE_OPEN_PREV_DAY_UP_3000", False: "NO_TRADE_MARKET_GATE_CLOSED"}
    )
 
    signal_dates = set(entry_links["signal_trade_date"])
    candidates = daily[daily["trade_date"].isin(signal_dates)].copy()
    candidates = candidates.merge(
        entry_links,
        left_on="trade_date",
        right_on="signal_trade_date",
        how="inner",
        suffixes=("", "_gate"),
    )
    candidates = candidates[
        candidates["prev_close"].gt(0)
        & candidates["prev5_avg_volume"].gt(0)
        & candidates["recent_limitup_30_flag"]
        & candidates["volume_ratio"].ge(cfg["candidate_rules"]["volume_ratio_threshold"])
        & candidates["upper_shadow_pct"].gt(0)
    ].copy()
 
    candidates["strict_candidate_flag"] = candidates["prev_high_volume_pass_flag"]
    candidates["candidate_status"] = candidates["strict_candidate_flag"].map(
        {True: "PASS", False: "FAKE_BREAKOUT_RISK_REVIEW"}
    )
    candidates["candidate_rank"] = (
        candidates.sort_values(
            ["signal_trade_date", "upper_shadow_pct", "volume_ratio", "amount"],
            ascending=[True, False, False, False],
        )
        .groupby("signal_trade_date")
        .cumcount()
        + 1
    )
    candidates = candidates[candidates["candidate_rank"].le(cfg["candidate_rules"]["upper_shadow_top_n"])].copy()
 
    candidates = candidates.sort_values(["entry_trade_date", "candidate_rank", "symbol"]).reset_index(drop=True)
    candidates["candidate_id"] = [
        f"CAND-{RUN_ID}-{i + 1:05d}" for i in range(len(candidates))
    ]
    out_cols = [
        "candidate_id",
        "entry_trade_date",
        "signal_trade_date",
        "symbol",
        "candidate_rank",
        "candidate_status",
        "strict_candidate_flag",
        "market_gate_status",
        "market_gate_open_flag",
        "stock_count",
        "up_count",
        "flat_count",
        "down_count",
        "run_id",
        "price_source_table",
        "open_price",
        "high_price",
        "low_price",
        "close_price",
        "prev_close",
        "daily_return_pct",
        "volume",
        "amount",
        "prev5_avg_volume",
        "volume_ratio",
        "upper_shadow_pct",
        "body_pct",
        "recent_limitup_30_flag",
        "last_limitup_date",
        "days_since_last_limitup",
        "touch_prev_high_flag",
        "prev60_high",
        "prev60_high_volume",
        "prev60_high_ref_date",
        "prev60_high_ref_policy",
        "prev_high_volume_pass_flag",
        "flat60_flag",
        "flat60_range_pct",
    ]
    candidate_ledger = candidates[out_cols].copy()
    for col in ["entry_trade_date", "signal_trade_date", "last_limitup_date", "prev60_high_ref_date"]:
        candidate_ledger[col] = pd.to_datetime(candidate_ledger[col]).dt.strftime("%Y-%m-%d")
 
    entry_summary = entry_links[
        [
            "entry_trade_date",
            "signal_trade_date",
            "market_gate_status",
            "market_gate_open_flag",
            "stock_count",
            "up_count",
            "flat_count",
            "down_count",
            "run_id",
            "price_source_table",
        ]
    ].copy()
    entry_summary["entry_trade_date"] = entry_summary["entry_trade_date"].dt.strftime("%Y-%m-%d")
    entry_summary["signal_trade_date"] = entry_summary["signal_trade_date"].dt.strftime("%Y-%m-%d")
    candidate_counts = candidate_ledger.groupby("entry_trade_date").agg(
        candidate_count=("candidate_id", "count"),
        strict_candidate_count=("strict_candidate_flag", "sum"),
        review_candidate_count=("candidate_status", lambda s: int((s != "PASS").sum())),
        max_upper_shadow_pct=("upper_shadow_pct", "max"),
        max_volume_ratio=("volume_ratio", "max"),
    ).reset_index()
    summary = entry_summary.merge(candidate_counts, on="entry_trade_date", how="left")
    for col in ["candidate_count", "strict_candidate_count", "review_candidate_count"]:
        summary[col] = summary[col].fillna(0).astype(int)
 
    candidate_path = write_csv(candidate_ledger, "candidate_ledger.csv")
    summary_path = write_csv(summary, "candidate_date_summary.csv")
 
    open_dates = int(summary["market_gate_open_flag"].sum())
    closed_dates = int((~summary["market_gate_open_flag"]).sum())
    selected = []
 
    def pick_one(label: str, frame: pd.DataFrame, sort_cols: list[str], ascending: list[bool]) -> None:
        nonlocal selected
        used_dates = {row["entry_trade_date"] for row in selected}
        pool = frame[~frame["entry_trade_date"].isin(used_dates)].copy()
        if pool.empty:
            return
        row = pool.sort_values(sort_cols, ascending=ascending).iloc[0].to_dict()
        row["selection_bucket"] = label
        selected.append(row)
 
    summary["entry_dt"] = pd.to_datetime(summary["entry_trade_date"])
    open_with_candidates = summary[(summary["market_gate_open_flag"]) & (summary["strict_candidate_count"] > 0)]
    closed_with_candidates = summary[(~summary["market_gate_open_flag"]) & (summary["candidate_count"] > 0)]
    open_no_candidates = summary[(summary["market_gate_open_flag"]) & (summary["candidate_count"] == 0)]
    review_risk = summary[(summary["review_candidate_count"] > 0)]
    near_start = open_with_candidates.sort_values("entry_dt").head(25)
    near_end = open_with_candidates.sort_values("entry_dt", ascending=False).head(25)
 
    pick_one("OPEN_STRONG_CANDIDATE", open_with_candidates, ["strict_candidate_count", "max_upper_shadow_pct"], [False, False])
    pick_one("OPEN_HIGH_VOLUME_RATIO", open_with_candidates, ["max_volume_ratio", "strict_candidate_count"], [False, False])
    pick_one("MARKET_GATE_CLOSED_WITH_CANDIDATES", closed_with_candidates, ["candidate_count", "max_upper_shadow_pct"], [False, False])
    pick_one("OPEN_NO_CANDIDATE", open_no_candidates, ["entry_dt"], [True])
    pick_one("PREV_HIGH_REVIEW_RISK", review_risk, ["review_candidate_count", "candidate_count"], [False, False])
    pick_one("MINUTE_COVERAGE_START_BOUNDARY", near_start, ["entry_dt"], [True])
    pick_one("MINUTE_COVERAGE_END_BOUNDARY", near_end, ["entry_dt"], [False])
    pick_one("MID_RANGE_NORMAL_OPEN", open_with_candidates, ["entry_dt"], [True])
 
    case_rows = []
    for i, row in enumerate(selected, 1):
        case_id = f"WUJI-PILOT-CASE-{i:02d}-{row['entry_trade_date'].replace('-', '')}"
        status = "SELECTED_FOR_PILOT_REPLAY"
        if not row["market_gate_open_flag"]:
            status = "SELECTED_NO_TRADE_MARKET_GATE_CLOSED"
        elif row["strict_candidate_count"] == 0:
            status = "SELECTED_NO_STRICT_CANDIDATE"
        case_rows.append(
            {
                "case_id": case_id,
                "entry_trade_date": row["entry_trade_date"],
                "signal_trade_date": row["signal_trade_date"],
                "selection_bucket": row["selection_bucket"],
                "case_status": status,
                "market_gate_status": row["market_gate_status"],
                "candidate_count": int(row["candidate_count"]),
                "strict_candidate_count": int(row["strict_candidate_count"]),
                "review_candidate_count": int(row["review_candidate_count"]),
                "up_count": "" if pd.isna(row["up_count"]) else int(row["up_count"]),
                "down_count": "" if pd.isna(row["down_count"]) else int(row["down_count"]),
                "selection_reason": (
                    "覆盖小样本分层:" + row["selection_bucket"]
                ),
            }
        )
    case_index = pd.DataFrame(case_rows)
    case_path = write_csv(case_index, "case_index.csv")
 
    result = {
        "schema_version": "1.0",
        "run_id": RUN_ID,
        "generated_at": "2026-06-08T00:40:00+08:00",
        "stage": "CANDIDATE_POOL_GENERATED",
        "date_constraints": {
            "entry_start": minute_start,
            "entry_end": minute_end,
            "reason": "minute replay evidence required for buy/sell decision views",
        },
        "input_rows": {
            "daily_rows": int(len(daily)),
            "breadth_rows": int(len(breadth)),
            "entry_dates": int(len(entry_links)),
        },
        "candidate_counts": {
            "candidate_rows": int(len(candidate_ledger)),
            "candidate_entry_dates": int(candidate_ledger["entry_trade_date"].nunique()) if len(candidate_ledger) else 0,
            "strict_candidate_rows": int(candidate_ledger["strict_candidate_flag"].sum()) if len(candidate_ledger) else 0,
            "review_candidate_rows": int((candidate_ledger["candidate_status"] != "PASS").sum()) if len(candidate_ledger) else 0,
            "market_gate_open_entry_dates": open_dates,
            "market_gate_closed_entry_dates": closed_dates,
        },
        "candidate_sort_policy": {
            "group_key": "signal_trade_date",
            "sort_keys": ["upper_shadow_pct", "volume_ratio", "amount"],
            "ascending": [False, False, False],
            "evidence_field": "amount",
            "top_n": cfg["candidate_rules"]["upper_shadow_top_n"],
        },
        "previous_high_reference_volume_policy": {
            "policy_id": "FIRST_PREVIOUS_HIGH_IN_60D_WINDOW",
            "description": "When the signal day touches the previous 60-trading-day high, prev60_high_volume uses the first occurrence of the maximum high in the prior 60-trading-day window. This run preserves the audited pilot implementation and exposes prev60_high_ref_date / prev60_high_ref_policy for review.",
            "ledger_fields": ["prev60_high", "prev60_high_volume", "prev60_high_ref_date", "prev60_high_ref_policy"],
        },
        "selected_cases": case_rows,
        "artifacts": {
            "candidate_ledger.csv": {
                "path": str(candidate_path.relative_to(ROOT)).replace("\\", "/"),
                "size": candidate_path.stat().st_size,
                "sha256": sha256_file(candidate_path),
            },
            "candidate_date_summary.csv": {
                "path": str(summary_path.relative_to(ROOT)).replace("\\", "/"),
                "size": summary_path.stat().st_size,
                "sha256": sha256_file(summary_path),
            },
            "case_index.csv": {
                "path": str(case_path.relative_to(ROOT)).replace("\\", "/"),
                "size": case_path.stat().st_size,
                "sha256": sha256_file(case_path),
            },
        },
        "limitations": [
            "limit-up memory uses high/previous close >= 9.5% as a code proxy for first-pass candidate generation; later image/manual review must confirm semantics.",
            "flat60_flag uses a 60-day high/low range <= 35% only as a stratification signal, not a hard baseline buy rule.",
            "candidate_rank uses amount as the final same-day tie-breaker; candidate_ledger.csv now retains amount as sorting evidence.",
            "prev60_high_volume uses FIRST_PREVIOUS_HIGH_IN_60D_WINDOW and records prev60_high_ref_date for audit.",
            "candidate pool means observation pool only; it is not a buy list and produces no return conclusion.",
        ],
        "next_step": "Generate candidate daily K-line image package for selected pilot cases.",
    }
    (ROOT / "candidate_generation_summary.json").write_text(
        json.dumps(result, ensure_ascii=False, indent=2) + "\n", encoding="utf-8"
    )
    summary_md = ROOT / "candidate_generation_summary.md"
    summary_md.write_text(
        "\n".join(
            [
                "# candidate_generation_summary",
                "",
                f"run_id:`{RUN_ID}`",
                "阶段:`CANDIDATE_POOL_GENERATED`",
                "",
                "## 结果",
                "",
                f"- 入场日期范围:`{minute_start}` 至 `{minute_end}`",
                f"- 可评估 entry dates:{len(entry_links)}",
                f"- 候选行数:{len(candidate_ledger)}",
                f"- 有候选 entry dates:{candidate_ledger['entry_trade_date'].nunique() if len(candidate_ledger) else 0}",
                f"- strict candidate 行数:{int(candidate_ledger['strict_candidate_flag'].sum()) if len(candidate_ledger) else 0}",
                f"- review/risk candidate 行数:{int((candidate_ledger['candidate_status'] != 'PASS').sum()) if len(candidate_ledger) else 0}",
                f"- 市场闸门打开 entry dates:{open_dates}",
                f"- 市场闸门关闭 entry dates:{closed_dates}",
                f"- 已选择 pilot cases:{len(case_index)}",
                f"- 候选排名排序:`upper_shadow_pct desc -> volume_ratio desc -> amount desc`",
                f"- 前高参考量口径:`FIRST_PREVIOUS_HIGH_IN_60D_WINDOW`,账本保留 `prev60_high_ref_date`",
                "",
                "## 边界",
                "",
                "候选池只表示进入观察,不代表买入,不产生收益率、成功率、胜率或回撤结论。",
                "",
                "分钟线可回放边界为 `2023-03-24` 至 `2026-04-20`,后续小样本买卖图和回放不得超出该范围。",
                "",
                "## 下一步",
                "",
                "生成已选 pilot cases 的日 K 选股图片包和 `image_manifest.csv`。",
                "",
            ]
        ),
        encoding="utf-8",
    )
 
 
if __name__ == "__main__":
    main()