langchain/libs/community/langchain_community/tools/pubmed/tool.py
Erick Friis 600b7bdd61
all: test 3.13 ci (#27197)
Co-authored-by: Bagatur <baskaryan@gmail.com>
Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>
2024-10-25 12:56:58 -07:00

30 lines
979 B
Python

from typing import Optional
from langchain_core.callbacks import CallbackManagerForToolRun
from langchain_core.tools import BaseTool
from pydantic import Field
from langchain_community.utilities.pubmed import PubMedAPIWrapper
class PubmedQueryRun(BaseTool): # type: ignore[override]
"""Tool that searches the PubMed API."""
name: str = "pub_med"
description: str = (
"A wrapper around PubMed. "
"Useful for when you need to answer questions about medicine, health, "
"and biomedical topics "
"from biomedical literature, MEDLINE, life science journals, and online books. "
"Input should be a search query."
)
api_wrapper: PubMedAPIWrapper = Field(default_factory=PubMedAPIWrapper) # type: ignore[arg-type]
def _run(
self,
query: str,
run_manager: Optional[CallbackManagerForToolRun] = None,
) -> str:
"""Use the PubMed tool."""
return self.api_wrapper.run(query)