app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
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 !
@tool
def get_bluesky_post(arg: str) -> str:
    """Fetches the most recent post from a Bluesky account.
    Args:
        arg: The Bluesky handle (e.g., 'beccalewy' or 'resistrebelrevolt.net')
    Returns:
        A string containing the most recent post content or an error message
    """
    import requests
    
    # Clean up the handle (remove any extra spaces)
    handle = arg.strip()
    
    # Don't automatically append .bsky.social if the handle already has a domain
    # (like resistrebelrevolt.net)
    if "." not in handle:
        full_handle = f"{handle}.bsky.social"
    else:
        full_handle = handle
    
    try:
        print(f"Trying to resolve handle: {full_handle}")
        
        # Step 1: Use the public API endpoint to resolve the handle to a DID
        resolver_url = "https://public.api.bsky.app/xrpc/com.atproto.identity.resolveHandle"
        resolver_params = {"handle": full_handle}
        
        resolver_response = requests.get(resolver_url, params=resolver_params)
        
        if resolver_response.status_code != 200:
            # Try alternate formats if the first attempt fails
            if "." in handle:
                # Maybe they included the domain but not in the right format
                alternate_handle = handle  # Original handle without modification
                print(f"First attempt failed, trying alternate handle: {alternate_handle}")
                
                resolver_params = {"handle": alternate_handle}
                resolver_response = requests.get(resolver_url, params=resolver_params)
                
                if resolver_response.status_code != 200:
                    return f"Could not resolve handle @{handle}. Status code: {resolver_response.status_code}"
            else:
                return f"Could not resolve handle @{handle}. Status code: {resolver_response.status_code}"
        
        resolver_data = resolver_response.json()
        user_did = resolver_data.get("did")
        
        if not user_did:
            return f"Could not find DID for Bluesky account @{handle}"
        
        # Step 2: Get the profile information
        profile_url = "https://public.api.bsky.app/xrpc/app.bsky.actor.getProfile"
        profile_params = {"actor": user_did}
        
        profile_response = requests.get(profile_url, params=profile_params)
        
        if profile_response.status_code != 200:
            return f"Could not fetch profile for @{handle}. Status code: {profile_response.status_code}"
        
        profile_data = profile_response.json()
        display_name = profile_data.get("displayName", handle)
        
        # Step 3: Get the author's feed
        feed_url = "https://public.api.bsky.app/xrpc/app.bsky.feed.getAuthorFeed"
        feed_params = {"actor": user_did, "limit": 1}
        
        feed_response = requests.get(feed_url, params=feed_params)
        
        if feed_response.status_code != 200:
            return f"Could not fetch posts for @{handle}. Status code: {feed_response.status_code}"
        
        feed_data = feed_response.json()
        
        # Check if there are any posts
        if not feed_data.get("feed") or len(feed_data["feed"]) == 0:
            return f"@{handle} has no posts on Bluesky"
        
        # Extract post information
        latest_post = feed_data["feed"][0]
        post = latest_post.get("post", {})
        record = post.get("record", {})
        post_text = record.get("text", "")
        post_time = record.get("createdAt", "unknown time")
        
        # Format the result for the AI agent
        result = f"{display_name} (@{handle}) posted on {post_time}:\n\"{post_text}\""
        return result
    
    except Exception as e:
        return f"Error fetching Bluesky post: {str(e)}"

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """A tool that fetches the current local time in a specified timezone.
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    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)}"


final_answer = FinalAnswerTool()

# 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' 

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,
)


# 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=[get_bluesky_post, get_current_time_in_timezone, final_answer], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()