add the tutorial 2

T2_tools_define/tools.py

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+from typing import Optional
+import requests
+
+from smolagents.agents import ToolCallingAgent
+from smolagents import CodeAgent, HfApiModel, tool
+from huggingface_hub import login
+from smolagents import LiteLLMModel
+
+from dotenv import load_dotenv
+import os
+
+# load .env file
+load_dotenv()
+
+api_key = os.environ.get('API_KEY')
+weather_api = os.environ.get('WEATHER_API')
+
+#print(api_key)
+login(api_key)
+
+
+# Select LLM engine to use!
+model = HfApiModel()
+# model = LiteLLMModel(
+#         model_id="ollama_chat/llama3.1",
+#         api_base="http://localhost:11434",  # replace with remote open-ai compatible server if necessary
+#         #api_key="your-api-key",  # replace with API key if necessary
+#         #num_ctx=8192,  # ollama default is 2048 which will often fail horribly. 8192 works for easy tasks, more is better. Check https://huggingface.co/spaces/NyxKrage/LLM-Model-VRAM-Calculator to calculate how much VRAM this will need for the selected model.
+#     )
+
+
+@tool
+def get_weather(location: str, celsius: Optional[bool] = False) -> str:
+    """
+    Get the current weather at the given location using the WeatherStack API.
+
+    Args:
+        location: The location (city name).
+        celsius: Whether to return the temperature in Celsius (default is False, which returns Fahrenheit).
+
+    Returns:
+        A string describing the current weather at the location.
+    """
+    api_key = weather_api   # Replace with your API key from https://weatherstack.com/
+    units = "m" if celsius else "f"  # 'm' for Celsius, 'f' for Fahrenheit
+
+    url = f"http://api.weatherstack.com/current?access_key={api_key}&query={location}&units={units}"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()  # Raise an exception for HTTP errors
+
+        data = response.json()
+
+        if data.get("error"):  # Check if there's an error in the response
+            return f"Error: {data['error'].get('info', 'Unable to fetch weather data.')}"
+
+        weather = data["current"]["weather_descriptions"][0]
+        temp = data["current"]["temperature"]
+        temp_unit = "°C" if celsius else "°F"
+
+        return f"The current weather in {location} is {weather} with a temperature of {temp} {temp_unit}."
+
+    except requests.exceptions.RequestException as e:
+        return f"Error fetching weather data: {str(e)}"
+    
+
+agent = ToolCallingAgent(tools=[get_weather], model=model)
+# agent = CodeAgent(tools=[get_weather], model=model)
+
+agent.run("What is the weather in New York?")