ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/browser-use-rpa/browser-use/examples/use-cases/check_appointment.py

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+# Goal: Checks for available visa appointment slots on the Greece MFA website.
+
+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()
+
+from pydantic import BaseModel
+
+from browser_use import ChatOpenAI
+from browser_use.agent.service import Agent
+from browser_use.tools.service import Tools
+
+if not os.getenv('OPENAI_API_KEY'):
+	raise ValueError('OPENAI_API_KEY is not set. Please add it to your environment variables.')
+
+tools = Tools()
+
+
+class WebpageInfo(BaseModel):
+	"""Model for webpage link."""
+
+	link: str = 'https://appointment.mfa.gr/en/reservations/aero/ireland-grcon-dub/'
+
+
+@tools.action('Go to the webpage', param_model=WebpageInfo)
+def go_to_webpage(webpage_info: WebpageInfo):
+	"""Returns the webpage link."""
+	return webpage_info.link
+
+
+async def main():
+	"""Main function to execute the agent task."""
+	task = (
+		'Go to the Greece MFA webpage via the link I provided you.'
+		'Check the visa appointment dates. If there is no available date in this month, check the next month.'
+		'If there is no available date in both months, tell me there is no available date.'
+	)
+
+	model = ChatOpenAI(model='gpt-4.1-mini')
+	agent = Agent(task, model, tools=tools, use_vision=True)
+
+	await agent.run()
+
+
+if __name__ == '__main__':
+	asyncio.run(main())