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Update app.py
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app.py
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@@ -1,13 +1,19 @@
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import torch
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from fastapi import FastAPI
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from pydantic import BaseModel
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from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
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import uvicorn
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app = FastAPI()
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MODEL_ID = "Qwen/Qwen1.5-1.8B-Chat"
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_ID,
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@@ -15,21 +21,27 @@ model = AutoModelForCausalLM.from_pretrained(
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device_map="auto",
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)
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pipe = pipeline(
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"text-generation",
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model=model,
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tokenizer=tokenizer,
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)
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class TranslationRequest(BaseModel):
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text: str
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target_lang: str
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@app.post("/translate")
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async def translate(request: TranslationRequest):
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korean_text = request.text
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target_lang = request.target_lang
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if target_lang == 'english':
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prompt = f"Translate the following Korean sentence into natural, everyday English. Provide only the translated sentence, without any additional explanations or quotation marks.\n\nKorean: \"{korean_text}\"\n\nEnglish:"
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elif target_lang == 'japanese':
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@@ -37,10 +49,12 @@ async def translate(request: TranslationRequest):
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else:
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return {"error": "Invalid target language"}
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messages = [
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{"role": "user", "content": prompt}
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]
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outputs = pipe(
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messages,
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max_new_tokens=150,
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@@ -49,11 +63,15 @@ async def translate(request: TranslationRequest):
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top_k=50,
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)
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generated_text = outputs[0]["generated_text"]
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translated_text = generated_text.split("assistant\n")[-1].strip()
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return {"translated_text": translated_text}
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@app.get("/")
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def read_root():
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return {"message": "Translation API is running"}
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# app.py
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import torch
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from fastapi import FastAPI
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from pydantic import BaseModel
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from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
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import uvicorn
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# 1. FastAPI μ± μΈμ€ν΄μ€ μμ±
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app = FastAPI()
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# 2. AI λͺ¨λΈκ³Ό ν ν¬λμ΄μ λ₯Ό μ± μμ μ νλ²λ§ λ‘λ© (λ§€μ° μ€μ!)
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# μμ²μ΄ μ¬ λλ§λ€ λ‘λ©νλ©΄ μλ²κ° ν°μ Έλ²λ¦΄ κ±°μΌ.
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MODEL_ID = "Qwen/Qwen1.5-1.8B-Chat"
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# λ©λͺ¨λ¦¬ ν¨μ¨μ μν΄ bfloat16 μ¬μ©νκ³ , accelerate λΌμ΄λΈλ¬λ¦¬λ‘ νλμ¨μ΄ μλ ν λΉ
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_ID,
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device_map="auto",
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)
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# Transformers λΌμ΄λΈλ¬λ¦¬μ pipelineμ μ¬μ©νλ©΄ μ½λκ° λ κ°κ²°ν΄μ Έ.
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pipe = pipeline(
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"text-generation",
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model=model,
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tokenizer=tokenizer,
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)
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# 3. μμ² λ³Έλ¬Έ(Request Body)μ λ°μ΄ν° νμμ μ§μ
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# νλ‘ νΈμλμμ "text"λΌλ ν€μ λ²μν λ¬Έμ₯μ λ΄μμ 보λ΄μΌ νλ€λ κ·μΉ.
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class TranslationRequest(BaseModel):
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text: str
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target_lang: str # 'english' λλ 'japanese'
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# 4. API μλν¬μΈνΈ(Endpoint) μμ±
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# "/translate" λΌλ μ£Όμλ‘ POST μμ²μ΄ λ€μ΄μμ λ μ΄ ν¨μκ° μ€νλΌ.
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@app.post("/translate")
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async def translate(request: TranslationRequest):
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korean_text = request.text
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target_lang = request.target_lang
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# ν둬ννΈ μμ§λμ΄λ§: λͺ¨λΈμκ² μνλ κ²°κ³Όλ¬Όμ λͺ
ννκ² μ§μ
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if target_lang == 'english':
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prompt = f"Translate the following Korean sentence into natural, everyday English. Provide only the translated sentence, without any additional explanations or quotation marks.\n\nKorean: \"{korean_text}\"\n\nEnglish:"
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elif target_lang == 'japanese':
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else:
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return {"error": "Invalid target language"}
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# Gemma/Qwen κ°μ μ±λ΄ λͺ¨λΈμ μν λν νμ
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messages = [
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{"role": "user", "content": prompt}
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]
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# νμ΄νλΌμΈμΌλ‘ ν
μ€νΈ μμ± μ€ν
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outputs = pipe(
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messages,
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max_new_tokens=150,
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top_k=50,
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)
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# κ²°κ³Όλ¬Όμμ νμν λΆλΆλ§ μΆμΆ
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generated_text = outputs[0]["generated_text"]
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# 'assistant\n' λ€μμ μ€λ μ€μ λ²μ κ²°κ³Όλ§ κΉλνκ² μλΌλ΄κΈ°
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translated_text = generated_text.split("assistant\n")[-1].strip()
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# 5. νλ‘ νΈμλμ λ²μλ ν
μ€νΈλ₯Ό JSON ννλ‘ λ°ν
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return {"translated_text": translated_text}
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# μλ²κ° μ μλνλμ§ νμΈνκΈ° μν κΈ°λ³Έ μ£Όμ
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@app.get("/")
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def read_root():
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return {"message": "Translation API is running"}
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