Update app.py

Added custom tools for my demo agent exercise.

app.py

@@ -1,5 +1,6 @@
 from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
 import datetime
+import httpx
 import requests
 import pytz
 import yaml
@@ -18,6 +19,49 @@ def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+## -----
+## my custom tools
+## -----
+@tool
+def get_top_hackernews_stories(num_stories: int = 10) -> str:
+    """A tool that fetches a specified number of top news stories from Hacker News.
+    Args:
+        num_stories: int representing the number of stories to return.
+    """
+    response = httpx.get("https://hacker-news.firebaseio.com/v0/topstories.json")
+    story_ids = response.json()
+    stories = []
+    for story_id in story_ids[:num_stories]:
+        story_response = httpx.get(f"https://hacker-news.firebaseio.com/v0/item/{story_id}.json")
+        story = story_response.json()
+        story["username"] = story["by"]
+        stories.append(story)
+    return json.dumps(stories)
+    
+@tool
+def get_user_details(username: str) -> str:
+    """A tool that fetches the details of a Hacker News user using their username.
+    Args:
+        username: A string representing the username of the user to get details for.
+    """
+
+    try:
+        logger.info(f"Getting details for user: {username}")
+        user = httpx.get(f"https://hacker-news.firebaseio.com/v0/user/{username}.json").json()
+        user_details = {
+            "id": user.get("user_id"),
+            "karma": user.get("karma"),
+            "about": user.get("about"),
+            "total_items_submitted": len(user.get("submitted", [])),
+        }
+        return json.dumps(user_details)
+    except Exception as e:
+        logger.exception(e)
+        return f"Error getting user details: {e}"
+## -----
+## end my custom tools
+## -----
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -35,11 +79,11 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 
 final_answer = FinalAnswerTool()
-model = HfApiModel(
-max_tokens=2096,
-temperature=0.5,
-model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',# it is possible that this model may be overloaded
-custom_role_conversions=None,
+    model = HfApiModel(
+    max_tokens=2096,
+    temperature=0.5,
+    model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',# it is possible that this model may be overloaded
+    custom_role_conversions=None,
 )
 
 
@@ -51,7 +95,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[get_top_hackernews_stories, get_user_details, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,