init

main.py

@@ -0,0 +1,58 @@
+import os
+import sys
+
+from dotenv import load_dotenv
+from sqlalchemy import create_engine, select
+from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.orm import Session
+
+from db_models import Base, WeatherForecast, save_forecasts
+from exporter import export_md
+from geo_locator import GeoError, get_geo
+from weather_client import WeatherAPIError, get_forecast
+
+
+def main() -> None:
+    load_dotenv()
+
+    try:
+        geo = get_geo()
+        print(
+            f"{geo.city}{'' if geo.lat is None or geo.lon is None else f' ({geo.lat}, {geo.lon})'}"
+        )
+
+        forecasts = get_forecast(geo)
+        print(f"{len(forecasts)} days forecast")
+
+        database_url = os.getenv("DB_URL", "sqlite:///weather.db").format(
+            DB_USER=os.getenv("DB_USER", ""),
+            DB_PASSWORD=os.getenv("DB_PASSWORD", ""),
+        )
+        city = forecasts[0].city
+        engine = create_engine(database_url)
+        Base.metadata.create_all(engine)
+        with Session(engine) as session:
+            saved = save_forecasts(session, forecasts)
+            records = list(
+                session.scalars(
+                    select(WeatherForecast)
+                    .where(WeatherForecast.city == city)
+                    .order_by(WeatherForecast.forecast_date)
+                ).all()
+            )
+        print(f"records: {len(records)}{f' +{saved}' if saved > 0 else ''}")
+
+        output_file = os.getenv("OUTPUT_FILE", "weather_report.md")
+        export_md(records, output_file, city)
+        print(f"Exported: {output_file}")
+
+        if records:
+            dates = sorted(r.forecast_date for r in records)
+            print(f"{dates[0]} - {dates[-1]}")
+    except (GeoError, WeatherAPIError, SQLAlchemyError) as exc:
+        print(f"error: {exc}", file=sys.stderr)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()