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## This is a fork/based from https://gist.github.com/wiseman/4a706428eaabf4af1002a07a114f61d6
from io import StringIO
import sys
import os
from typing import Dict, Optional
from langchain.agents import load_tools
from langchain.agents import initialize_agent
from langchain.agents.tools import Tool
from langchain.llms import OpenAI
base_path = os.environ.get('OPENAI_API_BASE', 'http://localhost:8080/v1')
model_name = os.environ.get('MODEL_NAME', 'gpt-3.5-turbo')
class PythonREPL:
"""Simulates a standalone Python REPL."""
def __init__(self):
pass
def run(self, command: str) -> str:
"""Run command and returns anything printed."""
old_stdout = sys.stdout
sys.stdout = mystdout = StringIO()
try:
exec(command, globals())
sys.stdout = old_stdout
output = mystdout.getvalue()
except Exception as e:
sys.stdout = old_stdout
output = str(e)
return output
llm = OpenAI(temperature=0.0, openai_api_base=base_path, model_name=model_name)
python_repl = Tool(
"Python REPL",
PythonREPL().run,
"""A Python shell. Use this to execute python commands. Input should be a valid python command.
If you expect output it should be printed out.""",
)
tools = [python_repl]
agent = initialize_agent(tools, llm, agent="zero-shot-react-description", verbose=True)
agent.run("What is the 10th fibonacci number?") |