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30 lines
1006 B
Python
30 lines
1006 B
Python
from typing import List, Optional
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import aiohttp
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import requests
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from pydantic import BaseModel
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from langchain.schema import BaseRetriever, Document
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class RemoteLangChainRetriever(BaseRetriever, BaseModel):
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url: str
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headers: Optional[dict] = None
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input_key: str = "message"
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response_key: str = "response"
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def get_relevant_documents(self, query: str) -> List[Document]:
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response = requests.post(
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self.url, json={self.input_key: query}, headers=self.headers
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)
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result = response.json()
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return [Document(**r) for r in result[self.response_key]]
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async def aget_relevant_documents(self, query: str) -> List[Document]:
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async with aiohttp.ClientSession() as session:
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async with session.request(
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"POST", self.url, headers=self.headers, json={self.input_key: query}
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) as response:
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result = await response.json()
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return [Document(**r) for r in result[self.response_key]]
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