- GET /api/symbols/search?q=...&seed_only= : trigram + prefix + ILIKE 합산 정렬
- GET /api/symbols/{code} : 메타
- GET /api/chart/{code}?days=N&include_* : OHLCV + 일별 감성 + 외인기관거래대금
- POST /api/predict/{code}?horizons=1,3,5 : on-demand 앙상블 예측 + DB 적재
(user_triggered=TRUE)
- GET /api/predict/{code}/latest : 최신 base_date 의 예측 묶음 + base_close
(UI 가 차트 마지막 점에 이어 붙임)
- GET /api/metrics/{code}?window_days=N : 종목 단위 hit_rate / mae (model, horizon 별)
- GET /api/metrics?window_days=N : 전체 누적
- GET /api/news/{code}?source=&limit= : 최신순 뉴스/공시 목록 (감성 점수 포함)
main.py 에 6개 라우터 모두 include.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
"""모델 성능 메트릭 API."""
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from __future__ import annotations
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from datetime import date, timedelta
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from fastapi import APIRouter, HTTPException, Query
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from sqlalchemy import text
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from app.db.connection import get_engine
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router = APIRouter(prefix="/api/metrics", tags=["metrics"])
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@router.get("/{code}")
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def code_metrics(
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code: str,
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window_days: int = Query(default=30, ge=1, le=365),
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) -> dict:
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"""code 의 최근 window_days 윈도우 prediction_outcomes 집계."""
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eng = get_engine()
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end = date.today()
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start = end - timedelta(days=window_days)
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with eng.connect() as conn:
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sym = conn.execute(
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text("SELECT code, name FROM symbols WHERE code = :c"),
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{"c": code},
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).first()
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if not sym:
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raise HTTPException(status_code=404, detail=f"unknown code: {code}")
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rows = conn.execute(
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text(
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"""
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SELECT model, horizon,
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COUNT(*) AS n,
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AVG(CASE WHEN direction_hit THEN 1.0 ELSE 0.0 END) AS hit_rate,
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AVG(abs_error) AS mae
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FROM prediction_outcomes
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WHERE code = :c AND resolved_at >= :s
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GROUP BY model, horizon
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ORDER BY model, horizon
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"""
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),
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{"c": code, "s": start},
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).all()
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return {
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"code": sym[0],
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"name": sym[1],
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"window_days": window_days,
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"range": {"from": str(start), "to": str(end)},
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"by_model_horizon": [
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{
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"model": r[0],
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"horizon": int(r[1]),
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"n": int(r[2]),
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"hit_rate": float(r[3]) if r[3] is not None else None,
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"mae": float(r[4]) if r[4] is not None else None,
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}
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for r in rows
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],
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}
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@router.get("")
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def overall_metrics(
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window_days: int = Query(default=30, ge=1, le=365),
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) -> dict:
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"""전체 시드 종목 누적 메트릭."""
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eng = get_engine()
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end = date.today()
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start = end - timedelta(days=window_days)
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with eng.connect() as conn:
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rows = conn.execute(
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text(
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"""
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SELECT po.model, po.horizon,
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COUNT(*) AS n,
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AVG(CASE WHEN po.direction_hit THEN 1.0 ELSE 0.0 END) AS hit_rate,
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AVG(po.abs_error) AS mae
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FROM prediction_outcomes po
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WHERE po.resolved_at >= :s
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GROUP BY po.model, po.horizon
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ORDER BY po.model, po.horizon
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"""
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),
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{"s": start},
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).all()
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return {
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"window_days": window_days,
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"range": {"from": str(start), "to": str(end)},
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"by_model_horizon": [
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{
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"model": r[0],
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"horizon": int(r[1]),
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"n": int(r[2]),
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"hit_rate": float(r[3]) if r[3] is not None else None,
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"mae": float(r[4]) if r[4] is not None else None,
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}
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for r in rows
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],
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}
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