mirror of
https://github.com/hwchase17/langchain
synced 2024-11-20 03:25:56 +00:00
a79345f199
#16396 Fixed 1. golden_query 2. google_lens 3. memorize 4. merriam_webster 5. open_weather_map 6. pub_med 7. stack_exchange 8. generate_image 9. wikipedia
30 lines
945 B
Python
30 lines
945 B
Python
from typing import Optional
|
|
|
|
from langchain_core.callbacks import CallbackManagerForToolRun
|
|
from langchain_core.pydantic_v1 import Field
|
|
from langchain_core.tools import BaseTool
|
|
|
|
from langchain_community.utilities.pubmed import PubMedAPIWrapper
|
|
|
|
|
|
class PubmedQueryRun(BaseTool):
|
|
"""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)
|
|
|
|
def _run(
|
|
self,
|
|
query: str,
|
|
run_manager: Optional[CallbackManagerForToolRun] = None,
|
|
) -> str:
|
|
"""Use the PubMed tool."""
|
|
return self.api_wrapper.run(query)
|