mirror of
https://github.com/browser-use/browser-use
synced 2026-05-06 17:52:15 +02:00
88 lines
2.2 KiB
Python
88 lines
2.2 KiB
Python
"""
|
|
To use it, you'll need to install streamlit, and run with:
|
|
|
|
python -m streamlit run streamlit_demo.py
|
|
|
|
"""
|
|
|
|
import asyncio
|
|
import os
|
|
import sys
|
|
|
|
sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
|
|
|
|
from dotenv import load_dotenv
|
|
|
|
load_dotenv()
|
|
|
|
import streamlit as st # type: ignore
|
|
|
|
from browser_use import Agent
|
|
from browser_use.browser import BrowserSession
|
|
from browser_use.tools.service import Tools
|
|
|
|
if os.name == 'nt':
|
|
asyncio.set_event_loop_policy(asyncio.WindowsProactorEventLoopPolicy())
|
|
|
|
|
|
# Function to get the LLM based on provider
|
|
def get_llm(provider: str):
|
|
if provider == 'anthropic':
|
|
from browser_use.llm import ChatAnthropic
|
|
|
|
api_key = os.getenv('ANTHROPIC_API_KEY')
|
|
if not api_key:
|
|
st.error('Error: ANTHROPIC_API_KEY is not set. Please provide a valid API key.')
|
|
st.stop()
|
|
|
|
return ChatAnthropic(model='claude-3-5-sonnet-20240620', temperature=0.0)
|
|
elif provider == 'openai':
|
|
from browser_use import ChatOpenAI
|
|
|
|
api_key = os.getenv('OPENAI_API_KEY')
|
|
if not api_key:
|
|
st.error('Error: OPENAI_API_KEY is not set. Please provide a valid API key.')
|
|
st.stop()
|
|
|
|
return ChatOpenAI(model='gpt-4.1', temperature=0.0)
|
|
else:
|
|
st.error(f'Unsupported provider: {provider}')
|
|
st.stop()
|
|
return None # Never reached, but helps with type checking
|
|
|
|
|
|
# Function to initialize the agent
|
|
def initialize_agent(query: str, provider: str):
|
|
llm = get_llm(provider)
|
|
tools = Tools()
|
|
browser_session = BrowserSession()
|
|
|
|
return Agent(
|
|
task=query,
|
|
llm=llm, # type: ignore
|
|
tools=tools,
|
|
browser_session=browser_session,
|
|
use_vision=True,
|
|
max_actions_per_step=1,
|
|
), browser_session
|
|
|
|
|
|
# Streamlit UI
|
|
st.title('Automated Browser Agent with LLMs 🤖')
|
|
|
|
query = st.text_input('Enter your query:', 'go to reddit and search for posts about browser-use')
|
|
provider = st.radio('Select LLM Provider:', ['openai', 'anthropic'], index=0)
|
|
|
|
if st.button('Run Agent'):
|
|
st.write('Initializing agent...')
|
|
agent, browser_session = initialize_agent(query, provider)
|
|
|
|
async def run_agent():
|
|
with st.spinner('Running automation...'):
|
|
await agent.run(max_steps=25)
|
|
st.success('Task completed! 🎉')
|
|
|
|
asyncio.run(run_agent())
|
|
|
|
st.button('Close Browser', on_click=lambda: asyncio.run(browser_session.kill()))
|