Update app.py

app.py

@@ -4,20 +4,113 @@ import requests
 import pytz
 import yaml
 import os
+from geopy.geocoders import Nominatim
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
-# Below is an example of a tool that does nothing. Amaze us with your creativity !
+def date_to_friendly_format(date_string):
+    """
+    Converts a date string to a more readable
+    """
+    date_obj = datetime.strptime(date_string, "%Y-%m-%d")
+    friendly_date = date_obj.strftime("%a %b %d %Y")
+    return friendly_date
+
+def meteo_weathercode_to_emoji(weathercode):
+    """
+    Converts a weather code to a corresponding emoji.
+    """
+    emoji = {
+        0: "☀️",
+        1: "🌤️",
+        2: "⛅️",
+        3: "☁️",
+        45: "🌫️",
+        48: "🌫️",
+        51: "🌦️",
+        53: "🌦️",
+        55: "🌧️",
+        56: "🌧️",
+        57: "🌧️",
+        61: "🌧️",
+        63: "🌧️",
+        65: "🌧️",
+        66: "🌧️",
+        67: "🌧️",
+        71: "🌩️",
+        73: "🌩️",
+        75: "🌩️",
+        77: "⛈️",
+        80: "🌦️",
+        81: "🌦️",
+        82: "🌦️",
+        85: "🌧️",
+        86: "🌧️",
+        95: "🌫️",
+        96: "🌫️",
+        99: "🌫️"
+    }
+    return emoji.get(weathercode, "❓")
+
+def get_city_coordinates(city_name: str) -> float, float:
+    """
+    Finds the GPS coordinates (latitude, longitude) of a city.
+
+    Args:
+        city_name: A string representing the name of a city  (e.g., 'London').
+
+    Returns:
+        A tuple containing the latitude and longitude (floats), or None if the city is not found.
+    """
+    geolocator = Nominatim(user_agent="city_coordinates_finder_andyh")  # Important: Provide a user agent
+    location = geolocator.geocode(city_name)
+
+    if location:
+        latitude = location.latitude
+        longitude = location.longitude
+        return latitude, longitude
+    else:
+        print(f"Error: Could not find coordinates for '{city_name}'.")  # Indicate failure
+        return None
+
 @tool
-def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+def get_weather_forecast(city: str, days: str=3):
+    """
+    Retrieves a weather forecast for a city over the next few days.
+
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        city: a sting of the name of the city to get weather
+        days: The number of days to forecast (int, default is 3).
+
+    Returns:
+        A string with the following days forcast
+        Prints an error message if the API request fails.
     """
-    return "What magic will you build ?"
+
+    latitude, longitude = get_city_coordinates(city)
+
+    url = f"https://api.open-meteo.com/v1/forecast?latitude={latitude}&longitude={longitude}&daily=weathercode,temperature_2m_max,temperature_2m_min,precipitation_sum&forecast_days={days}"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+        forecast_data = response.json()
+        if "daily" in forecast_data:
+            output = []
+            daily_date = forecast_data["daily"]
+            for weather in zip(daily_date["time"], daily_date["weathercode"], daily_date["temperature_2m_max"], daily_date["temperature_2m_min"], daily_date["precipitation_sum"]):
+                output.append(f'{date_to_friendly_format(weather[0])}: ({meteo_weathercode_to_emoji(weather[1])}) High: {weather[2]}°C, Low: {weather[3]}°C, Rain: {weather[4]}mm')
+            return "\n".join(output)
+        else:
+            print("Error: No 'daily' data found in the API response.")
+            return None
+    except requests.exceptions.RequestException as e:
+        print(f"Error fetching forecast data: {e}")
+        return None
+    except (ValueError, KeyError) as e:
+        print(f"Error processing forecast data: {e}")
+        return None
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: