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dorogan
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1e2a35a
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Parent(s):
de83ed6
Update: basic methods and endpoints were added
Browse files- Dockerfile +11 -0
- app.py +27 -0
- model.py +24 -0
- requirements.txt +8 -0
Dockerfile
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FROM python:3.10-buster
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WORKDIR /app/commandr-api-local
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COPY . .
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RUN pip3 install --upgrade pip
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RUN pip3 install -r requirements.txt
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RUN python3 app.py
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app.py
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import uvicorn
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from fastapi import FastAPI
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from pydantic import BaseModel
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from model import get_answer_from_llm
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class Prompt(BaseModel):
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prompt: str = ''
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app = FastAPI(
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title='CommandRLLMAPI'
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)
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@app.post("/completion/")
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def get_answer(question: Prompt.prompt):
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answer = get_answer_from_llm(question)
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return answer
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if __name__ == '__main__':
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uvicorn.run(
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app,
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host='0.0.0.0',
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port=8081
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)
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model.py
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from transformers import AutoTokenizer, AutoModelForCausalLM
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import torch
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device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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model_id = "CohereForAI/c4ai-command-r-v01-4bit"
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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model = AutoModelForCausalLM.from_pretrained(model_id).to(device)
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## <BOS_TOKEN><|START_OF_TURN_TOKEN|><|USER_TOKEN|>Hello, how are you?<|END_OF_TURN_TOKEN|><|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>
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async def get_answer_from_llm(question: str = None):
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# Format message with the command-r chat template
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messages = [{"role": "user", "content": f"{question}"}]
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input_ids = tokenizer.apply_chat_template(messages, tokenize=True, add_generation_prompt=True, return_tensors="pt")
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gen_tokens = model.generate(
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input_ids,
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max_new_tokens=100,
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do_sample=True,
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temperature=0.3,
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)
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gen_text = await tokenizer.decode(gen_tokens[0])
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return gen_text
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requirements.txt
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torch
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transformers>=4.39.1
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bitsandbytes
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accelerate
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tokenizers
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pydantic
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fastapi
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uvicorn
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