59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
import os
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import sys
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from dotenv import load_dotenv
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from sqlalchemy import create_engine, select
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy.orm import Session
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from db_models import Base, WeatherForecast, save_forecasts
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from exporter import export_md
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from geo_locator import GeoError, get_geo
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from weather_client import WeatherAPIError, get_forecast
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def main() -> None:
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load_dotenv()
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try:
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geo = get_geo()
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print(
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f"{geo.city}{'' if geo.lat is None or geo.lon is None else f' ({geo.lat}, {geo.lon})'}"
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)
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forecasts = get_forecast(geo)
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print(f"{len(forecasts)} days forecast")
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database_url = os.getenv("DB_URL", "sqlite:///weather.db").format(
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DB_USER=os.getenv("DB_USER", ""),
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DB_PASSWORD=os.getenv("DB_PASSWORD", ""),
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)
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city = forecasts[0].city
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engine = create_engine(database_url)
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Base.metadata.create_all(engine)
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with Session(engine) as session:
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saved = save_forecasts(session, forecasts)
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records = list(
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session.scalars(
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select(WeatherForecast)
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.where(WeatherForecast.city == city)
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.order_by(WeatherForecast.forecast_date)
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).all()
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)
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print(f"records: {len(records)}{f' +{saved}' if saved > 0 else ''}")
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output_file = os.getenv("OUTPUT_FILE", "weather_report.md")
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export_md(records, output_file, city)
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print(f"Exported: {output_file}")
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if records:
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dates = sorted(r.forecast_date for r in records)
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print(f"{dates[0]} - {dates[-1]}")
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except (GeoError, WeatherAPIError, SQLAlchemyError) as exc:
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print(f"error: {exc}", file=sys.stderr)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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