gahusb
fdabc69004
Time-window dispatcher: pre-market (07:00-09:00, 5min), market (09:00-15:30, 1min), post-market (15:30-20:00, 5min), overnight skip to next market day 07:00. Weekend + holiday detection via holidays.json. Stub holidays.json with 13 dates. Task 6 will sync from web-backend/stock/app/holidays.json. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
"""Polling scheduler — 시간대별 분기 + 휴장일 처리."""
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from __future__ import annotations
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import json
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import logging
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from datetime import datetime, timedelta, time
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from pathlib import Path
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from zoneinfo import ZoneInfo
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logger = logging.getLogger(__name__)
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KST = ZoneInfo("Asia/Seoul")
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_HOLIDAYS_PATH = Path(__file__).parent / "holidays.json"
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_HOLIDAYS: set[str] = set(json.loads(_HOLIDAYS_PATH.read_text(encoding="utf-8")))
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# Market windows
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_PRE_OPEN = time(7, 0)
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_OPEN = time(9, 0)
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_CLOSE = time(15, 30)
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_POST_END = time(20, 0)
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def _is_market_day(now: datetime) -> bool:
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"""평일 + 휴장일 아닌 날."""
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if now.weekday() >= 5: # Sat/Sun
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return False
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return now.strftime("%Y-%m-%d") not in _HOLIDAYS
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def _is_polling_window(now: datetime) -> bool:
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"""현재 시각이 폴링 윈도우 (07:00-20:00) 안인가."""
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return _PRE_OPEN <= now.time() < _POST_END
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def _next_interval(now: datetime) -> float:
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"""다음 폴링까지 sleep 초수."""
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if not _is_market_day(now):
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return _seconds_until_next_market_open(now)
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t = now.time()
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if _PRE_OPEN <= t < _OPEN:
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return 300.0
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elif _OPEN <= t < _CLOSE:
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return 60.0
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elif _CLOSE <= t < _POST_END:
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return 300.0
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else:
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return _seconds_until_next_market_open(now)
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def _seconds_until_next_market_open(now: datetime) -> float:
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"""다음 영업일의 07:00 KST 까지 초수."""
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candidate = now.replace(hour=7, minute=0, second=0, microsecond=0)
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if candidate <= now:
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candidate += timedelta(days=1)
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for _ in range(14): # safety bound (max 2 weeks of holidays)
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if _is_market_day(candidate):
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return (candidate - now).total_seconds()
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candidate += timedelta(days=1)
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logger.warning("could not find next market day within 14 days; using +1 day")
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return 86400.0
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