from llama_cpp import Llama

from langchain.llms.base import LLM
from typing import Optional, List, Mapping, Any

class LlamaLLM(LLM):
    model_path: str
    llm: Llama

    @property
    def _llm_type(self) -> str:
        return "llama-cpp-python"

    def __init__(self, model_path: str, **kwargs: Any):
        model_path = model_path
        llm = Llama(model_path=model_path)
        super().__init__(model_path=model_path, llm=llm,  **kwargs)

    def _call(self, prompt: str, stop: Optional[List[str]] = None) -> str:
        response = self.llm(prompt, stop=stop or [])
        return response["choices"][0]["text"]

    @property
    def _identifying_params(self) -> Mapping[str, Any]:
        return {"model_path": self.model_path}

llm = LlamaLLM(model_path="models/...")

print(llm("Question: What is the capital of France? Answer: ", stop=["Question:", "\n"]))