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laserbeam2045
commited on
Commit
·
6dd176e
1
Parent(s):
9736832
fix
Browse files
app.py
CHANGED
@@ -1,52 +1,49 @@
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# app.py
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import os
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import torch
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel
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from
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# -----------------------------------------------------------------------------
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#
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# -----------------------------------------------------------------------------
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#
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# -----------------------------------------------------------------------------
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tokenizer = AutoTokenizer.from_pretrained(
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MODEL_ID,
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token=HF_TOKEN,
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trust_remote_code=True
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)
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# -----------------------------------------------------------------------------
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#
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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#
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# -----------------------------------------------------------------------------
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{torch.nn.Linear},
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dtype=torch.qint8
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)
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# -----------------------------------------------------------------------------
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# FastAPI
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# -----------------------------------------------------------------------------
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app = FastAPI(title="Gemma3-
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class GenerationRequest(BaseModel):
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prompt: str
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async def generate(req: GenerationRequest):
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if not req.prompt:
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raise HTTPException(status_code=400, detail="`prompt` は必須です。")
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#
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req.prompt,
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return_tensors="pt",
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truncation=True,
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padding=True
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).to(DEVICE)
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output_ids = model.generate(
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**inputs,
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max_new_tokens=req.max_new_tokens,
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temperature=req.temperature,
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top_p=req.top_p,
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)
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text = tokenizer.decode(output_ids[0], skip_special_tokens=True)
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return {"generated_text": text}
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# -----------------------------------------------------------------------------
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# app.py
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import os
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel
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from huggingface_hub import hf_hub_download
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from pyllamacpp.model import Model
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# -----------------------------------------------------------------------------
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# Hugging Face Hub の設定
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# -----------------------------------------------------------------------------
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HF_TOKEN = os.environ.get("HF_TOKEN") # 必要に応じて Secrets にセット
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REPO_ID = "google/gemma-3-12b-it-qat-q4_0-gguf"
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# 実際にリポジトリに置かれている GGUF ファイル名を確認してください。
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# 例: "gemma-3-12b-it-qat-q4_0-gguf.gguf"
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GGUF_FILENAME = "gemma-3-12b-it-qat-q4_0-gguf.gguf"
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# キャッシュ先のパス(リポジトリ直下に置く場合)
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MODEL_PATH = os.path.join(os.getcwd(), GGUF_FILENAME)
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# -----------------------------------------------------------------------------
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# 起動時に一度だけダウンロード
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# -----------------------------------------------------------------------------
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if not os.path.exists(MODEL_PATH):
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print(f"Downloading {GGUF_FILENAME} from {REPO_ID} …")
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hf_hub_download(
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repo_id=REPO_ID,
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filename=GGUF_FILENAME,
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token=HF_TOKEN,
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repo_type="model", # 明示的にモデルリポジトリを指定
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local_dir=os.getcwd(), # カレントディレクトリに保存
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local_dir_use_symlinks=False
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)
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# -----------------------------------------------------------------------------
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# llama.cpp (pyllamacpp) で 4bit GGUF モデルをロード
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# -----------------------------------------------------------------------------
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llm = Model(
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model_path=MODEL_PATH,
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n_ctx=512, # 必要に応じて調整
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n_threads=4, # 実マシンのコア数に合わせて
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)
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# -----------------------------------------------------------------------------
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# FastAPI 定義
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# -----------------------------------------------------------------------------
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app = FastAPI(title="Gemma3-12B-IT Q4_0 GGUF API")
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class GenerationRequest(BaseModel):
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prompt: str
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async def generate(req: GenerationRequest):
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if not req.prompt:
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raise HTTPException(status_code=400, detail="`prompt` は必須です。")
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# llama.cpp の generate を呼び出し
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text = llm.generate(
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req.prompt,
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top_p=req.top_p,
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temp=req.temperature,
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n_predict=req.max_new_tokens,
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repeat_last_n=64,
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repeat_penalty=1.1
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)
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return {"generated_text": text}
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# -----------------------------------------------------------------------------
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