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import openmeteo_requests
import pandas as pd
import requests_cache
from retry_requests import retry
from geopy.geocoders import Nominatim
def call_openmeteo_current(city: str, variable: str) -> str:
# Setup the Open-Meteo API client with cache and retry on error
cache_session = requests_cache.CachedSession('.cache', expire_after = 3600)
retry_session = retry(cache_session, retries = 5, backoff_factor = 0.2)
openmeteo = openmeteo_requests.Client(session = retry_session)
url = "https://api.open-meteo.com/v1/forecast"
lat, lon = get_coordinates(city)
params = {
"latitude": lat,
"longitude": lon,
"current": variable,
}
responses = openmeteo.weather_api(url, params=params)
response = responses[0]
current = response.Current()
variable = current.Variables(0).Value()
return variable
def get_current_weather(city: str) -> str:
"""Get the summary of the current weather in a city."""
weather = call_openmeteo_current(city, "weather_code")
weather_str = weather_code_to_description(weather)
return weather_str
def get_current_temperature(city: str) -> str:
"""Get the current temperature in a city."""
temperature = call_openmeteo_current(city, "temperature_2m")
return str(round(temperature))
def get_current_wind_speed(city: str) -> str:
"""Get the current wind speed (10m) in a city."""
wind = call_openmeteo_current(city, "wind_speed_10m")
return str(round(wind)) + " m/s"
def get_coordinates(city: str):
geolocator = Nominatim(user_agent="NewApp")
location = geolocator.geocode(city)
return location.latitude, location.longitude
def weather_code_to_description(code: float | int) -> str:
"""
Convert Open-Meteo (WMO) weather codes to human-readable descriptions.
Accepts int or float values (e.g., 1.0 -> 1).
"""
code = int(code)
WEATHER_CODE_MAP = {
0: "Clear sky",
1: "Mainly clear",
2: "Partly cloudy",
3: "Overcast",
45: "Fog",
48: "Depositing rime fog",
51: "Light drizzle",
53: "Moderate drizzle",
55: "Dense drizzle",
56: "Light freezing drizzle",
57: "Dense freezing drizzle",
61: "Slight rain",
63: "Moderate rain",
65: "Heavy rain",
66: "Light freezing rain",
67: "Heavy freezing rain",
71: "Slight snowfall",
73: "Moderate snowfall",
75: "Heavy snowfall",
77: "Snow grains",
80: "Slight rain showers",
81: "Moderate rain showers",
82: "Violent rain showers",
85: "Slight snow showers",
86: "Heavy snow showers",
95: "Thunderstorm",
96: "Thunderstorm with slight hail",
99: "Thunderstorm with heavy hail",
}
return WEATHER_CODE_MAP.get(code, f"Unknown weather code: {code}") |