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Co-authored-by: younis basher <71520361+younis-ba@users.noreply.github.com> Co-authored-by: Younis Bashir <younis@omicmd.com>
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
"""Tool for the Pubmed API."""
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from typing import Optional
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from pydantic import Field
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from langchain.callbacks.manager import (
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AsyncCallbackManagerForToolRun,
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CallbackManagerForToolRun,
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)
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from langchain.tools.base import BaseTool
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from langchain.utilities.pupmed import PubMedAPIWrapper
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class PubmedQueryRun(BaseTool):
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"""Tool that adds the capability to search using the PubMed API."""
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name = "PubMed"
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description = (
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"A wrapper around PubMed.org "
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"Useful for when you need to answer questions about Physics, Mathematics, "
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"Computer Science, Quantitative Biology, Quantitative Finance, Statistics, "
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"Electrical Engineering, and Economics "
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"from scientific articles on PubMed.org. "
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"Input should be a search query."
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)
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api_wrapper: PubMedAPIWrapper = Field(default_factory=PubMedAPIWrapper)
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def _run(
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self,
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query: str,
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run_manager: Optional[CallbackManagerForToolRun] = None,
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) -> str:
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"""Use the Arxiv tool."""
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return self.api_wrapper.run(query)
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async def _arun(
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self,
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query: str,
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run_manager: Optional[AsyncCallbackManagerForToolRun] = None,
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) -> str:
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"""Use the PubMed tool asynchronously."""
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raise NotImplementedError("PubMedAPIWrapper does not support async")
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