OTE backkfill
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202
scripts/backfill_ote_prices.py
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202
scripts/backfill_ote_prices.py
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#!/usr/bin/env python3
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"""
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Doplnění ems.market_interval_price z veřejného OTE JSON endpointu (stejný jako price_importer).
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Spuštění z kořene repozitáře (načte .env z kořene):
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cd /path/to/ems-cursor
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PYTHONPATH=backend python scripts/backfill_ote_prices.py
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Volby:
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--days 730 posledních N kalendářních dní (Europe/Prague), výchozí 730 ≈ 2 roky
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--from-date / --to-date pevný rozsah YYYY-MM-DD (má přednost před --days u konce rozsahu)
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--force stáhnout znovu i dny, kde už je 96 slotů
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--dry-run jen vypsat chybějící dny, bez HTTP
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--delay SEC pauza mezi dny (výchozí 0.35)
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--refresh-predictions po skončení zavolat fn_predict_negative_price_windows pro aktivní site
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"""
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from __future__ import annotations
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import argparse
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import asyncio
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import logging
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import os
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import sys
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from datetime import date, datetime, timedelta
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from pathlib import Path
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from zoneinfo import ZoneInfo
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# Kořen repa = rodič scripts/
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_REPO_ROOT = Path(__file__).resolve().parent.parent
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_BACKEND = _REPO_ROOT / "backend"
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if str(_BACKEND) not in sys.path:
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sys.path.insert(0, str(_BACKEND))
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os.chdir(_REPO_ROOT)
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import asyncpg # noqa: E402
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from app.config import get_settings # noqa: E402
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from services.price_importer import ( # noqa: E402
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OTE_EXPECTED_SLOTS,
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backfill_ote_prices,
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count_ote_slots_prague_day,
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)
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PRAGUE = ZoneInfo("Europe/Prague")
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def _parse_ymd(s: str) -> date:
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y, m, d = (int(p) for p in s.split("-", 2))
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return date(y, m, d)
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async def _dry_run_missing(
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conn: asyncpg.Connection,
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start: date,
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end: date,
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today_prague: date,
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) -> list[date]:
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out: list[date] = []
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d = start
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while d <= end:
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if d > today_prague:
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break
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n = await count_ote_slots_prague_day(conn, d)
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if n < OTE_EXPECTED_SLOTS:
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out.append(d)
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d += timedelta(days=1)
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return out
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async def _refresh_predictions_all(conn: asyncpg.Connection) -> None:
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sites = await conn.fetch("SELECT id FROM ems.site WHERE active = true")
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for row in sites:
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sid = int(row["id"])
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try:
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await conn.fetch("SELECT * FROM ems.fn_predict_negative_price_windows($1, 7)", sid)
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logging.info("Predikce záporných cen obnovena pro site_id=%s", sid)
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except Exception:
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logging.exception("fn_predict_negative_price_windows selhalo pro site_id=%s", sid)
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async def main_async(args: argparse.Namespace) -> int:
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settings = get_settings()
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pool = await asyncpg.create_pool(
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host=settings.db_host,
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port=settings.db_port,
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user=settings.db_user,
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password=settings.db_password,
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database=settings.db_name,
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min_size=1,
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max_size=3,
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)
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try:
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today_prague = datetime.now(PRAGUE).date()
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if args.to_date:
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end = _parse_ymd(args.to_date)
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else:
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end = today_prague
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if args.from_date:
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start = _parse_ymd(args.from_date)
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else:
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start = end - timedelta(days=max(0, int(args.days) - 1))
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if start > end:
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logging.error("--from-date je po --to-date")
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return 2
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logging.info(
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"Rozsah backfillu: %s … %s (kurz EUR/CZK z .env = %s)",
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start.isoformat(),
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end.isoformat(),
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settings.eur_czk_rate,
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)
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async with pool.acquire() as conn:
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if args.dry_run:
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missing = await _dry_run_missing(conn, start, end, today_prague)
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logging.info(
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"Dry-run: %s chybějících nebo neúplných dní (< %s slotů)",
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len(missing),
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OTE_EXPECTED_SLOTS,
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)
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for md in missing[:50]:
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n = await count_ote_slots_prague_day(conn, md)
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logging.info(" %s (%s slotů)", md.isoformat(), n)
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if len(missing) > 50:
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logging.info(" … a dalších %s dní", len(missing) - 50)
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return 0
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stats = await backfill_ote_prices(
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conn,
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start_date=start,
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end_date=end,
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only_missing=not args.force,
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pause_between_days_s=float(args.delay),
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)
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logging.info(
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"Hotovo: zkontrolováno %s dní, importováno %s, přeskočeno (kompletní) %s, "
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"přeskočeno (budoucnost) %s, selhalo %s",
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stats.days_checked,
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stats.days_imported,
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stats.days_skipped_complete,
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stats.days_skipped_future,
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stats.days_failed,
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)
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for day_str, err in stats.failures[:20]:
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logging.warning(" %s: %s", day_str, err)
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if len(stats.failures) > 20:
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logging.warning(" … dalších %s chyb v seznamu", len(stats.failures) - 20)
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if args.refresh_predictions and stats.days_imported > 0:
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await _refresh_predictions_all(conn)
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return 1 if stats.days_failed else 0
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finally:
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await pool.close()
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def main() -> None:
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logging.basicConfig(
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level=logging.INFO,
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format="%(levelname)s %(message)s",
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)
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parser = argparse.ArgumentParser(description="Backfill OTE cen do ems.market_interval_price")
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parser.add_argument(
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"--days",
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type=int,
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default=730,
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help="Počet dní zpět od --to-date (výchozí 730)",
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)
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parser.add_argument("--from-date", type=str, default=None, help="YYYY-MM-DD začátek rozsahu")
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parser.add_argument(
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"--to-date",
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type=str,
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default=None,
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help="YYYY-MM-DD konec rozsahu (výchozí dnes Europe/Prague)",
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)
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parser.add_argument(
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"--force",
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action="store_true",
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help="Stáhnout znovu i dny s plnými %s sloty" % OTE_EXPECTED_SLOTS,
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)
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parser.add_argument("--dry-run", action="store_true", help="Jen vypsat chybějící dny")
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parser.add_argument(
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"--delay",
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type=float,
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default=0.35,
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help="Sekundy pauzy mezi dny (výchozí 0.35)",
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)
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parser.add_argument(
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"--refresh-predictions",
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action="store_true",
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help="Po importu obnovit fn_predict_negative_price_windows pro aktivní lokality",
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)
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ns = parser.parse_args()
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raise SystemExit(asyncio.run(main_async(ns)))
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if __name__ == "__main__":
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main()
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