mirror of
https://github.com/browser-use/browser-use
synced 2026-05-06 17:52:15 +02:00
69 lines
1.5 KiB
Python
69 lines
1.5 KiB
Python
"""
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Show how to use custom outputs.
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@dev You need to add OPENAI_API_KEY to your environment variables.
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"""
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import os
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import sys
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import asyncio
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sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
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from dotenv import load_dotenv
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load_dotenv()
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import anyio
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from langchain_openai import ChatOpenAI
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from browser_use import Agent
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from browser_use.agent.views import AgentState
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from browser_use.browser.browser import Browser, BrowserConfig
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async def main():
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task = 'Go to hackernews show hn and give me the first 5 posts'
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browser = Browser(
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config=BrowserConfig(
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headless=True,
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)
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)
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browser_context = await browser.new_context()
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agent_state = AgentState()
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for i in range(10):
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agent = Agent(
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task=task,
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llm=ChatOpenAI(model='gpt-4o'),
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browser=browser,
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browser_context=browser_context,
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injected_agent_state=agent_state,
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page_extraction_llm=ChatOpenAI(model='gpt-4o-mini'),
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)
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done, valid = await agent.take_step()
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print(f'Step {i}: Done: {done}, Valid: {valid}')
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if done and valid:
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break
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agent_state.history.history = []
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# Save state to file
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async with await anyio.open_file('agent_state.json', 'w') as f:
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serialized = agent_state.model_dump_json(exclude={'history'})
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await f.write(serialized)
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# Load state back from file
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async with await anyio.open_file('agent_state.json', 'r') as f:
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loaded_json = await f.read()
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agent_state = AgentState.model_validate_json(loaded_json)
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break
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if __name__ == '__main__':
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asyncio.run(main())
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