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rain.backfill_db pushes the full cached Open-Meteo archive into the openmeteo_rain table in 5k-row idempotent upsert chunks; scripts/backfill_rain_db.py is the thin CLI (DB from Config/.env or --db-url). Safe to re-run and safe alongside the hourly live writer.
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""Backfill the openmeteo_rain table with the full 2021+ catchment history.
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Usage:
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uv run scripts/backfill_rain_db.py # DB from Config/.env
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uv run scripts/backfill_rain_db.py --db-url postgresql://...
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"""
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import argparse
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import logging
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import os
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import sys
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
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from src.config import Config
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from src.ml.rain import backfill_db
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def main(argv=None) -> int:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--db-url", default=None)
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args = parser.parse_args(argv)
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logging.basicConfig(
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level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s"
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)
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if args.db_url:
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connection_string, db_type = args.db_url, args.db_url.split(":", 1)[0]
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else:
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cfg = Config.get_database_config()
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if cfg["type"] not in ("sqlite", "postgresql", "mysql"):
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print(f"requires a SQL database, got {cfg['type']}", file=sys.stderr)
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return 1
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connection_string, db_type = cfg["connection_string"], cfg["type"]
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from sqlalchemy import create_engine
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engine = create_engine(connection_string, pool_pre_ping=True)
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saved = backfill_db(engine, db_type)
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print(f"backfilled {saved} hourly rows into openmeteo_rain")
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return 0 if saved else 1
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if __name__ == "__main__":
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sys.exit(main())
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