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from langchain_core.tools import tool
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from langchain_community.document_loaders import WikipediaLoader
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@tool
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def wiki_search(query: str) -> str:
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"""Search Wikipedia for a query and return maximum 2 results.
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Args:
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query: The search query."""
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search_docs = WikipediaLoader(query=query, load_max_docs=2).load()
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formatted_search_docs = "\n\n---\n\n".join(
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[
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f'<Document source="{doc.metadata["source"]}" page="{doc.metadata.get("page", "")}"/>\n{doc.page_content}\n</Document>'
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for doc in search_docs
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]
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)
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return {"wiki_results": formatted_search_docs}
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