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

import urllib, urllib.request


import os
import base64
LANGFUSE_PUBLIC_KEY= os.environ.get("LANGFUSE_PUBLIC_KEY")
LANGFUSE_SECRET_KEY= os.environ.get("LANGFUSE_SECRET_KEY")
LANGFUSE_AUTH=base64.b64encode(f"{LANGFUSE_PUBLIC_KEY}:{LANGFUSE_SECRET_KEY}".encode()).decode()
#os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://cloud.langfuse.com/api/public/otel" # EU data region
os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://us.cloud.langfuse.com/api/public/otel" # US data region
os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = f"Authorization=Basic {LANGFUSE_AUTH}"


from opentelemetry.sdk.trace import TracerProvider
from openinference.instrumentation.smolagents import SmolagentsInstrumentor
from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
from opentelemetry.sdk.trace.export import SimpleSpanProcessor 
trace_provider = TracerProvider()
trace_provider.add_span_processor(SimpleSpanProcessor(OTLPSpanExporter())) 
SmolagentsInstrumentor().instrument(tracer_provider=trace_provider)




# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def search_arxiv(search_term:str)-> str: #it's import to specify the return type
    """
    Searches for the most recent article on arXiv related to the given search term.
    Args:
        search_term: A keyword or phrase used to find relevant articles on arXiv.
    """
    # formatted_search_term = search_term.replace(" ", "+")
    url = f"http://export.arxiv.org/api/query?search_query=all:\'{formatted_search_term}\'&sortBy=lastUpdatedDate&sortOrder=descending"
    data = urllib.request.urlopen(url)
    arxiv_result = data.read().decode('utf-8')
    return f"The most recent article on {search_term:} is: {arxiv_result}"  

@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_id='Qwen/Qwen2.5-Coder-14B-Instruct'

model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id=model_id,# 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=[search_arxiv, 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()