add tools to find a velib

The different tools can find the Vélib station and then obtain the number of Vélib available.

app.py

@@ -1,82 +1,97 @@
-from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
 import datetime
 import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from geopy.distance import geodesic  # Pour le calcul des distances
 
 from Gradio_UI import GradioUI
 
-# Below is an example of a tool that does nothing. Amaze us with your creativity !
-@tool
-def my_custom_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 
-    Args:
-        arg1: the first argument
-        arg2: the second argument
-    """
-    return "What magic will you build ?"
+# Fonction pour obtenir les coordonnées GPS d'une adresse
+def geocode_address(address):
+    response = requests.get(f"https://api-adresse.data.gouv.fr/search/?q={address}")
+    data = response.json()
+    if not data['features']:
+        return None, None
+    coordinates = data['features'][0]['geometry']['coordinates']
+    return coordinates[1], coordinates[0]  # Retourne latitude, longitude
 
-@tool
-def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
-    """A tool that converts a given amount from one currency to another using real-time exchange rates.
-    Args:
-        amount: The amount of money to convert.
-        from_currency: The source currency code (e.g., 'USD', 'EUR').
-        to_currency: The target currency code (e.g., 'JPY', 'GBP').
-    """
-    try:
-        response = requests.get(f"https://api.exchangerate-api.com/v4/latest/{from_currency}")
-        data = response.json()
-        rate = data['rates'].get(to_currency)
-
-        if rate:
-            converted_amount = amount * rate
-            return f"{amount} {from_currency} is approximately {converted_amount:.2f} {to_currency}."
-        else:
-            return f"Conversion rate from {from_currency} to {to_currency} not found."
-    except Exception as e:
-        return f"Error fetching exchange rates: {str(e)}"
+# Fonction pour récupérer toutes les stations Vélib'
+def get_stations():
+    response = requests.get("https://velib-metropole-opendata.smovengo.cloud/opendata/Velib_Metropole/station_information.json")
+    data = response.json()
+    return data['data']['stations']
+
+# Trouver la station Vélib' la plus proche d'une adresse donnée
+def find_nearest_station(address):
+    user_lat, user_lon = geocode_address(address)
+    if user_lat is None or user_lon is None:
+        return None
+
+    stations = get_stations()
+    min_distance = float('inf')
+    nearest_station = None
+
+    for station in stations:
+        station_coords = (station['lat'], station['lon'])
+        distance = geodesic((user_lat, user_lon), station_coords).meters
+        if distance < min_distance:
+            min_distance = distance
+            nearest_station = station
 
+    return nearest_station
+
+# Fonction pour récupérer le statut d'une station
+def get_station_status(station_id):
+    response = requests.get("https://velib-metropole-opendata.smovengo.cloud/opendata/Velib_Metropole/station_status.json")
+    data = response.json()
+    for station in data['data']['stations']:
+        if station['station_id'] == station_id:
+            return station
+    return None
+
+# Outil final qui donne le nombre de vélos disponibles à une adresse donnée
 @tool
-def get_current_time_in_timezone(timezone: str) -> str:
-    """A tool that fetches the current local time in a specified timezone.
+def get_bike_availability(address: str) -> str:
+    """A tool that fetches the number of available Velib' bikes at the nearest station to a given address.
     Args:
-        timezone: A string representing a valid timezone (e.g., 'America/New_York').
+        address: The address where the user wants to find a Velib' station.
     """
-    try:
-        # Create timezone object
-        tz = pytz.timezone(timezone)
-        # Get current time in that timezone
-        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
-        return f"The current local time in {timezone} is: {local_time}"
-    except Exception as e:
-        return f"Error fetching time for timezone '{timezone}': {str(e)}"
+    nearest_station = find_nearest_station(address)
+    if not nearest_station:
+        return "Aucune station Vélib' trouvée à proximité."
 
+    status = get_station_status(nearest_station['station_id'])
+    if not status:
+        return "Impossible de récupérer le statut de la station."
 
-final_answer = FinalAnswerTool()
+    mechanical_bikes = status['num_bikes_available_types'][0].get('mechanical', 0)
+    ebikes = status['num_bikes_available_types'][1].get('ebike', 0)
+
+    return (f"🚲 Station la plus proche : {nearest_station['name']}\n"
+            f"🔧 Vélos mécaniques disponibles : {mechanical_bikes}\n"
+            f"⚡ Vélos électriques disponibles : {ebikes}")
 
-# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
-# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
+# Ajout du tool à l'agent
+final_answer = FinalAnswerTool()
 
 model = HfApiModel(
-max_tokens=2096,
-temperature=0.5,
-model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
-custom_role_conversions=None,
+    max_tokens=2096,
+    temperature=0.5,
+    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
+    custom_role_conversions=None,
 )
 
-
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
-    
+
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_bike_availability],  # Ajout du nouvel outil ici
     max_steps=6,
     verbosity_level=1,
     grammar=None,
@@ -86,5 +101,4 @@ agent = CodeAgent(
     prompt_templates=prompt_templates
 )
 
-
 GradioUI(agent).launch()