basic_agent.py

import os
import logging
import sys

import smolagents

LOG = logging.getLogger(__name__)

SYSTEM_PROMPT = """
You are a general AI assistant. I will ask you a question. Report your thoughts, and finish your answer with the following template: FINAL ANSWER: [YOUR FINAL ANSWER]. YOUR FINAL ANSWER should be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string.

Take the time to plan the steps to reach the solution. Show the steps and then execute the steps.
"""


# --- Basic Agent Definition ---
# ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
class BasicAgent:

  def __init__(self, model_id=None):
    print("BasicAgent initializing.")
    # Logs appear to be swallowed.
    LOG.warning("logging BasicAgent initialized.")

    if model_id:
      self.model_id = model_id
    else:
      #self.model_id = "HuggingFaceTB/SmolLM2-1.7B-Instruct"
      #self.model_id = "Qwen/Qwen3-4B-FP8"
      self.model_id = "Qwen/Qwen3-32B"

    # Run locally.
    #self.model = smolagents.TransformersModel(
    #  model_id=self.model_id,
    #  max_new_tokens=32000,
    #  )

    print("BasicAgent making model.")
    self.model = smolagents.HfApiModel(
        max_tokens=32000,
        temperature=0.3,
        model_id=self.model_id,
        custom_role_conversions=None,
    )
    self.tools = [
        smolagents.DuckDuckGoSearchTool(),
        smolagents.VisitWebpageTool(),
        smolagents.FinalAnswerTool()
    ]

    print("BasicAgent making search tool.")
    self.search_agent = smolagents.CodeAgent(
        name="search_agent",
        description="Search the web",
        model=self.model,
        tools=self.tools,
        max_steps=6,
        verbosity_level=2,
        planning_interval=None,
        additional_authorized_imports=["duckduckgo_search"],
    )

    print("BasicAgent making manager.")
    self.manager_agent = smolagents.CodeAgent(
        name="manager_agent",
        description="Manger of other agents",
        tools=[smolagents.FinalAnswerTool()],
        model=self.model,
        max_steps=6,
        verbosity_level=2,
        planning_interval=None,
        additional_authorized_imports=["duckduckgo_search"],
        managed_agents=[self.search_agent])

  def __call__(self, question: str) -> str:
    print(f"NEW Agent received question (first 50 chars): {question[:50]}...")
    prompt = f"{SYSTEM_PROMPT}\n\n{question}"
    answer = self.manager_agent.run(prompt)
    print(f"NEW {answer=}")
    return answer