Upload main.py
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main.py
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from ctransformers import AutoModelForCausalLM
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from fastapi import FastAPI, Form
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from pydantic import BaseModel
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#Model loading
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llm = AutoModelForCausalLM.from_pretrained("zephyr-7b-beta.Q4_K_S.gguf",
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model_type='mistral',
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max_new_tokens = 1096,
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threads = 3,
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)
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#Pydantic object
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class validation(BaseModel):
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prompt: str
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#Fast API
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app = FastAPI()
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#Zephyr completion
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@app.post("/llm_on_cpu")
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async def stream(item: validation):
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system_prompt = 'Below is an instruction that describes a task. Write a response that appropriately completes the request.'
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E_INST = "</s>"
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user, assistant = "<|user|>", "<|assistant|>"
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prompt = f"{system_prompt}{E_INST}\n{user}\n{item.prompt.strip()}{E_INST}\n{assistant}\n"
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return llm(prompt)
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