tools

tools.py

import httpx

def get_coordinates(query: str) -> tuple[float, float]:
    """Return (latitude, longitude) for a given address in Denmark query."""
    base_url = "https://nominatim.openstreetmap.org"

    params = {
        "q": query,
        "format": "json",
        "polygon_kml": 1,
        "addressdetails": 1,
    }

    headers = {"User-Agent": "Prayson Daniel"}

    with httpx.Client(base_url=base_url, headers=headers) as client:
        response = client.get("/search", params=params)
        response.raise_for_status()
        results, *_ = response.json()

        return float(results["lat"]), float(results["lon"])


def get_dmi_weather(latitude: float, longitude: float) -> str:
    """Return DMI weather for given latitude/longitude."""

    LOC_URL = "https://www.dmi.dk/NinJo2DmiDk/ninjo2dmidk"
    WEATHER_URL = "https://www.dmi.dk/dmidk_byvejrWS/rest/json/id"

    loc_params = {
        "cmd": "llj",
        "hrs": 24,
        "lon": longitude,
        "lat": latitude,
    }

    with httpx.Client() as client:
        loc_resp = client.get(LOC_URL, params=loc_params)
        loc_resp.raise_for_status()
        location_id = loc_resp.json().get("id")

        if not location_id:
            raise ValueError(
                f"Could not resolve DMI location ID for ({latitude}, {longitude})"
            )

        weather_resp = client.get(f"{WEATHER_URL}/{location_id}")
        weather_resp.raise_for_status()

    report: str = weather_resp.json().get("regionalForecast").get("weatherForecast")
    return report