LamiaYT's picture
Initial commit with LlamaIndex-based agent
ca2b63a
raw
history blame
9.73 kB
import os
import gradio as gr
import requests
import pandas as pd
from llama_index.llms.huggingface import HuggingFaceLLM
from llama_index.core.agent import ReActAgent
from llama_index.core.tools import FunctionTool
from transformers import AutoTokenizer
# --- Constants ---
DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
# --- Advanced Agent Definition ---
class SmartAgent:
def __init__(self):
print("Initializing Local LLM Agent...")
# Initialize Zephyr-7B model
self.llm = HuggingFaceLLM(
model_name="HuggingFaceH4/zephyr-7b-beta",
tokenizer_name="HuggingFaceH4/zephyr-7b-beta",
context_window=2048,
max_new_tokens=256,
generate_kwargs={"temperature": 0.7, "do_sample": True},
device_map="auto"
)
# Define tools
self.tools = [
FunctionTool.from_defaults(
fn=self.web_search,
name="web_search",
description="Searches the web for current information when questions require up-to-date knowledge"
),
FunctionTool.from_defaults(
fn=self.math_calculator,
name="math_calculator",
description="Performs mathematical calculations when questions involve numbers or equations"
)
]
# Create agent
self.agent = ReActAgent.from_tools(
tools=self.tools,
llm=self.llm,
verbose=True
)
print("Local LLM Agent initialized successfully.")
def web_search(self, query: str) -> str:
"""Simulated web search tool (replace with actual API)"""
print(f"Web search triggered for: {query[:50]}...")
return f"Web results for: {query} (implement actual search API here)"
def math_calculator(self, expression: str) -> str:
"""Simple math calculator"""
print(f"Math calculation triggered for: {expression}")
try:
result = eval(expression) # Note: In production, use safer eval alternatives
return str(result)
except:
return "Error: Could not evaluate the mathematical expression"
def __call__(self, question: str) -> str:
print(f"Processing question (first 50 chars): {question[:50]}...")
try:
response = self.agent.query(question)
return str(response)
except Exception as e:
print(f"Agent error: {str(e)}")
return f"Error processing question: {str(e)}"
# --- Original Submission Logic (Keep unchanged) ---
def run_and_submit_all(profile: gr.OAuthProfile | None):
"""
Fetches all questions, runs the agent on them, submits all answers,
and displays the results.
"""
# --- Determine HF Space Runtime URL and Repo URL ---
space_id = os.getenv("SPACE_ID") # Get the SPACE_ID for sending link to the code
if profile:
username= f"{profile.username}"
print(f"User logged in: {username}")
else:
print("User not logged in.")
return "Please Login to Hugging Face with the button.", None
api_url = DEFAULT_API_URL
questions_url = f"{api_url}/questions"
submit_url = f"{api_url}/submit"
# 1. Instantiate Agent
try:
agent = SmartAgent() # Using our new SmartAgent instead of BasicAgent
except Exception as e:
print(f"Error instantiating agent: {e}")
return f"Error initializing agent: {e}", None
agent_code = f"https://huggingface.co/spaces/{space_id}/tree/main"
print(agent_code)
# 2. Fetch Questions
print(f"Fetching questions from: {questions_url}")
try:
response = requests.get(questions_url, timeout=15)
response.raise_for_status()
questions_data = response.json()
if not questions_data:
print("Fetched questions list is empty.")
return "Fetched questions list is empty or invalid format.", None
print(f"Fetched {len(questions_data)} questions.")
except requests.exceptions.RequestException as e:
print(f"Error fetching questions: {e}")
return f"Error fetching questions: {e}", None
except requests.exceptions.JSONDecodeError as e:
print(f"Error decoding JSON response from questions endpoint: {e}")
print(f"Response text: {response.text[:500]}")
return f"Error decoding server response for questions: {e}", None
except Exception as e:
print(f"An unexpected error occurred fetching questions: {e}")
return f"An unexpected error occurred fetching questions: {e}", None
# 3. Run your Agent
results_log = []
answers_payload = []
print(f"Running agent on {len(questions_data)} questions...")
for item in questions_data:
task_id = item.get("task_id")
question_text = item.get("question")
if not task_id or question_text is None:
print(f"Skipping item with missing task_id or question: {item}")
continue
try:
submitted_answer = agent(question_text)
answers_payload.append({"task_id": task_id, "submitted_answer": submitted_answer})
results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": submitted_answer})
except Exception as e:
print(f"Error running agent on task {task_id}: {e}")
results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": f"AGENT ERROR: {e}"})
if not answers_payload:
print("Agent did not produce any answers to submit.")
return "Agent did not produce any answers to submit.", pd.DataFrame(results_log)
# 4. Prepare Submission
submission_data = {"username": username.strip(), "agent_code": agent_code, "answers": answers_payload}
status_update = f"Agent finished. Submitting {len(answers_payload)} answers for user '{username}'..."
print(status_update)
# 5. Submit
print(f"Submitting {len(answers_payload)} answers to: {submit_url}")
try:
response = requests.post(submit_url, json=submission_data, timeout=60)
response.raise_for_status()
result_data = response.json()
final_status = (
f"Submission Successful!\n"
f"User: {result_data.get('username')}\n"
f"Overall Score: {result_data.get('score', 'N/A')}% "
f"({result_data.get('correct_count', '?')}/{result_data.get('total_attempted', '?')} correct)\n"
f"Message: {result_data.get('message', 'No message received.')}"
)
print("Submission successful.")
results_df = pd.DataFrame(results_log)
return final_status, results_df
except requests.exceptions.HTTPError as e:
error_detail = f"Server responded with status {e.response.status_code}."
try:
error_json = e.response.json()
error_detail += f" Detail: {error_json.get('detail', e.response.text)}"
except requests.exceptions.JSONDecodeError:
error_detail += f" Response: {e.response.text[:500]}"
status_message = f"Submission Failed: {error_detail}"
print(status_message)
results_df = pd.DataFrame(results_log)
return status_message, results_df
except requests.exceptions.Timeout:
status_message = "Submission Failed: The request timed out."
print(status_message)
results_df = pd.DataFrame(results_log)
return status_message, results_df
except requests.exceptions.RequestException as e:
status_message = f"Submission Failed: Network error - {e}"
print(status_message)
results_df = pd.DataFrame(results_log)
return status_message, results_df
except Exception as e:
status_message = f"An unexpected error occurred during submission: {e}"
print(status_message)
results_df = pd.DataFrame(results_log)
return status_message, results_df
# --- Build Gradio Interface ---
with gr.Blocks() as demo:
gr.Markdown("# Local LLM Agent Evaluation Runner")
gr.Markdown(
"""
**Instructions:**
1. Log in to your Hugging Face account
2. Click 'Run Evaluation & Submit All Answers'
3. Wait for the local LLM to process all questions
"""
)
gr.LoginButton()
run_button = gr.Button("Run Evaluation & Submit All Answers")
status_output = gr.Textbox(label="Run Status / Submission Result", lines=5, interactive=False)
results_table = gr.DataFrame(label="Questions and Agent Answers", wrap=True)
run_button.click(
fn=run_and_submit_all,
outputs=[status_output, results_table]
)
if __name__ == "__main__":
print("\n" + "-"*30 + " App Starting " + "-"*30)
space_host_startup = os.getenv("SPACE_HOST")
space_id_startup = os.getenv("SPACE_ID")
if space_host_startup:
print(f"✅ SPACE_HOST found: {space_host_startup}")
print(f" Runtime URL should be: https://{space_host_startup}.hf.space")
else:
print("ℹ️ SPACE_HOST environment variable not found (running locally?).")
if space_id_startup:
print(f"✅ SPACE_ID found: {space_id_startup}")
print(f" Repo URL: https://huggingface.co/spaces/{space_id_startup}")
print(f" Repo Tree URL: https://huggingface.co/spaces/{space_id_startup}/tree/main")
else:
print("ℹ️ SPACE_ID environment variable not found (running locally?).")
print("-"*(60 + len(" App Starting ")) + "\n")
print("Launching Gradio Interface for Local LLM Agent Evaluation...")
demo.launch(debug=True, share=False)