Final_Assignment / agent.py
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import os
import re
import google.generativeai as genai
from tools import web_search, read_file_from_api, python_interpreter
# --- NEW, MORE ADVANCED REACT PROMPT ---
REACT_PROMPT = """
You are a state-of-the-art, helpful AI agent designed to solve complex, multi-step problems.
**Your Task:**
Your goal is to answer the user's question with 100% accuracy. To do this, you will operate in a loop of Thought, Action, and Observation. You must break down the problem into a series of smaller steps.
**Your Tools:**
You have access to the following tools. Choose ONE tool per turn.
1. `web_search[query]`: Use this to find current information, facts, or to research topics.
2. `read_file_from_api[task_id]`: Use this ONLY when the question or an agent note explicitly mentions an attached file. It reads the raw content of that file.
3. `python_interpreter[code]`: Use this for all calculations, data processing, and complex logic.
- **This tool is powerful.** It has the `pandas` and `openpyxl` libraries installed.
- You can use it to analyze data from files. For example, after using `read_file_from_api`, you can pass the raw content into a Python script for processing.
- For Excel files, it's often better to use `pandas.read_excel(file_url)` directly within the python tool, where `file_url` can be constructed from the task_id.
**Reasoning Process:**
1. **Thought:** Carefully analyze the question. Identify the required information and devise a step-by-step plan.
2. **Action:** Choose the appropriate tool and input to execute the current step of your plan. Your action MUST be in the format `Action: tool_name[input]`.
3. **Observation:** You will receive the result of your action.
4. **Repeat:** Analyze the observation and continue with the next step in your plan until you have the final answer.
**CRITICAL SUBMISSION RULE:**
When you have the final, definitive answer, you MUST format your response as:
`Final Answer: [The single, exact answer]`
The system will automatically extract only the text after this prefix for submission. Do not add any other text or explanation.
---
Here is the problem:
Question: {question}
"""
class GeminiAgent:
def __init__(self):
print("Initializing GeminiAgent (Advanced ReAct)...")
# ... (init logic remains the same: api_key, model, tools)
api_key = os.getenv("GEMINI_API_KEY")
if not api_key:
raise ValueError("GEMINI_API_KEY secret not found! Please set it in your Space's settings.")
genai.configure(api_key=api_key)
self.model = genai.GenerativeModel('gemini-2.5-pro')
self.tools = {
"web_search": web_search,
"read_file_from_api": read_file_from_api,
"python_interpreter": python_interpreter
}
print("GeminiAgent initialized successfully with model 'gemini-2.5-pro'.")
# MODIFIED to accept task_id
def __call__(self, question: str, task_id: str) -> str:
prompt = REACT_PROMPT.format(question=question)
# ReAct loop
for turn in range(10): # Max 10 turns
print(f"\n--- Turn {turn + 1} for Task ID: {task_id} ---\n")
response = self.model.generate_content(prompt)
if not response.parts:
print("Warning: Model returned an empty response.")
prompt += "\nObservation: The model returned an empty response. Please try again."
continue
response_text = response.text
print(f"LLM Response:\n{response_text}\n")
# Check for Final Answer
final_answer_match = re.search(r"Final Answer: (.*)", response_text, re.DOTALL)
if final_answer_match:
answer = final_answer_match.group(1).strip()
print(f"Final Answer extracted: '{answer}'")
return answer
# Look for an Action
action_match = re.search(r"Action: (\w+)\[(.*)\]", response_text, re.DOTALL)
if not action_match:
observation = "No valid 'Action:' or 'Final Answer:' found. Please think step-by-step and select a tool or provide the final answer."
else:
tool_name = action_match.group(1).strip()
tool_input = action_match.group(2).strip()
if tool_name not in self.tools:
observation = f"Error: Unknown tool '{tool_name}'."
else:
try:
# Pass the task_id to the tool function, which can then use it if needed
observation = self.tools[tool_name](tool_input if tool_name != 'read_file_from_api' else task_id)
except Exception as e:
observation = f"Error executing tool {tool_name}: {e}"
print(f"Observation:\n{observation}\n")
# Append the full turn to the prompt
prompt += f"{response_text}\nObservation: {observation}\n"
return "Agent failed to find an answer within 10 turns."