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"""
DeepSeek LLM API ํด๋ผ์ด์ธํธ ๋ชจ๋
"""
import os
import json
import logging
import requests
from typing import List, Dict, Any, Optional, Union
from dotenv import load_dotenv
# ํ๊ฒฝ ๋ณ์ ๋ก๋
load_dotenv()
# ๋ก๊ฑฐ ์ค์
logger = logging.getLogger("DeepSeekLLM")
if not logger.hasHandlers():
handler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.INFO)
class DeepSeekLLM:
"""DeepSeek LLM API ๋ํผ ํด๋์ค"""
def __init__(self):
"""DeepSeek LLM ํด๋์ค ์ด๊ธฐํ"""
self.api_key = os.getenv("DEEPSEEK_API_KEY")
self.endpoint = os.getenv("DEEPSEEK_ENDPOINT", "https://api.deepseek.com/v1/chat/completions")
self.model = os.getenv("DEEPSEEK_MODEL", "deepseek-chat")
if not self.api_key:
logger.warning("DeepSeek API ํค๊ฐ .env ํ์ผ์ ์ค์ ๋์ง ์์์ต๋๋ค.")
logger.warning("DEEPSEEK_API_KEY๋ฅผ ํ์ธํ์ธ์.")
else:
logger.info("DeepSeek LLM API ํค ๋ก๋ ์๋ฃ.")
def chat_completion(
self,
messages: List[Dict[str, str]],
temperature: float = 0.7,
max_tokens: int = 1000,
stream: bool = False,
**kwargs
) -> Dict[str, Any]:
"""
DeepSeek ์ฑํ
์์ฑ API ํธ์ถ
Args:
messages: ์ฑํ
๋ฉ์์ง ๋ชฉ๋ก
temperature: ์์ฑ ์จ๋ (๋ฎ์์๋ก ๊ฒฐ์ ์ )
max_tokens: ์์ฑํ ์ต๋ ํ ํฐ ์
stream: ์คํธ๋ฆฌ๋ฐ ์๋ต ํ์ฑํ ์ฌ๋ถ
**kwargs: ์ถ๊ฐ API ๋งค๊ฐ๋ณ์
Returns:
API ์๋ต (๋์
๋๋ฆฌ)
"""
if not self.api_key:
logger.error("API ํค๊ฐ ์ค์ ๋์ง ์์ DeepSeek API๋ฅผ ํธ์ถํ ์ ์์ต๋๋ค.")
raise ValueError("DeepSeek API ํค๊ฐ ์ค์ ๋์ง ์์์ต๋๋ค.")
headers = {
"Authorization": f"Bearer {self.api_key}",
"Content-Type": "application/json"
}
payload = {
"model": self.model,
"messages": messages,
"temperature": temperature,
"max_tokens": max_tokens,
"stream": stream,
**kwargs
}
try:
logger.info(f"DeepSeek API ์์ฒญ ์ ์ก ์ค: {self.endpoint}")
response = requests.post(
self.endpoint,
headers=headers,
json=payload,
timeout=60 # ํ์์์ ์ค์
)
response.raise_for_status()
if stream:
return response # ์คํธ๋ฆฌ๋ฐ ์๋ต์ ์์ ์๋ต ๊ฐ์ฒด ๋ฐํ
else:
return response.json()
except requests.exceptions.Timeout:
logger.error("DeepSeek API ์์ฒญ ์๊ฐ ์ด๊ณผ")
raise TimeoutError("DeepSeek API ์์ฒญ ์๊ฐ ์ด๊ณผ")
except requests.exceptions.RequestException as e:
logger.error(f"DeepSeek API ์์ฒญ ์คํจ: {e}")
if hasattr(e, 'response') and e.response is not None:
logger.error(f"์๋ต ์ฝ๋: {e.response.status_code}, ๋ด์ฉ: {e.response.text}")
raise ConnectionError(f"DeepSeek API ์์ฒญ ์คํจ: {e}")
def generate(
self,
prompt: str,
system_prompt: Optional[str] = None,
temperature: float = 0.7,
max_tokens: int = 1000,
**kwargs
) -> str:
"""
๊ฐ๋จํ ํ
์คํธ ์์ฑ ์ธํฐํ์ด์ค
Args:
prompt: ์ฌ์ฉ์ ํ๋กฌํํธ
system_prompt: ์์คํ
ํ๋กฌํํธ (์ ํ ์ฌํญ)
temperature: ์์ฑ ์จ๋
max_tokens: ์์ฑํ ์ต๋ ํ ํฐ ์
**kwargs: ์ถ๊ฐ API ๋งค๊ฐ๋ณ์
Returns:
์์ฑ๋ ํ
์คํธ
"""
messages = []
if system_prompt:
messages.append({"role": "system", "content": system_prompt})
messages.append({"role": "user", "content": prompt})
try:
response = self.chat_completion(
messages=messages,
temperature=temperature,
max_tokens=max_tokens,
**kwargs
)
if not response or "choices" not in response or not response["choices"]:
logger.error("DeepSeek API ์๋ต์์ ์์ฑ๋ ํ
์คํธ๋ฅผ ์ฐพ์ ์ ์์ต๋๋ค.")
return ""
return response["choices"][0]["message"]["content"].strip()
except Exception as e:
logger.error(f"ํ
์คํธ ์์ฑ ์ค ์ค๋ฅ ๋ฐ์: {e}")
return f"์ค๋ฅ: {str(e)}"
def rag_generate(
self,
query: str,
context: List[str],
system_prompt: Optional[str] = None,
temperature: float = 0.3,
max_tokens: int = 1000,
**kwargs
) -> str:
"""
RAG ๊ฒ์ ๊ฒฐ๊ณผ๋ฅผ ํ์ฉํ ํ
์คํธ ์์ฑ
Args:
query: ์ฌ์ฉ์ ์ง์
context: ๊ฒ์๋ ๋ฌธ๋งฅ ๋ชฉ๋ก
system_prompt: ์์คํ
ํ๋กฌํํธ (์ ํ ์ฌํญ)
temperature: ์์ฑ ์จ๋
max_tokens: ์์ฑํ ์ต๋ ํ ํฐ ์
**kwargs: ์ถ๊ฐ API ๋งค๊ฐ๋ณ์
Returns:
์์ฑ๋ ํ
์คํธ
"""
if not system_prompt:
system_prompt = """๋น์ ์ ๊ฒ์ ๊ฒฐ๊ณผ๋ฅผ ๊ธฐ๋ฐ์ผ๋ก ์ง๋ฌธ์ ๋ต๋ณํ๋ ๋์ฐ๋ฏธ์
๋๋ค.
- ๊ฒ์ ๊ฒฐ๊ณผ๋ <context> ํ๊ทธ ์์ ์ ๊ณต๋ฉ๋๋ค.
- ๊ฒ์ ๊ฒฐ๊ณผ์ ๋ต๋ณ์ด ์์ผ๋ฉด ํด๋น ์ ๋ณด๋ฅผ ์ฌ์ฉํ์ฌ ๋ช
ํํ๊ฒ ๋ต๋ณํ์ธ์.
- ๊ฒ์ ๊ฒฐ๊ณผ์ ๋ต๋ณ์ด ์์ผ๋ฉด "๊ฒ์ ๊ฒฐ๊ณผ์ ๊ด๋ จ ์ ๋ณด๊ฐ ์์ต๋๋ค"๋ผ๊ณ ๋งํ์ธ์.
- ๊ฒ์ ๋ด์ฉ์ ๊ทธ๋๋ก ๋ณต์ฌํ์ง ๋ง๊ณ , ์์ฐ์ค๋ฌ์ด ํ๊ตญ์ด๋ก ๋ต๋ณ์ ์์ฑํ์ธ์.
- ๋ต๋ณ์ ๊ฐ๊ฒฐํ๊ณ ์ ํํ๊ฒ ์ ๊ณตํ์ธ์."""
context_text = "\n\n".join([f"๋ฌธ์ {i+1}: {doc}" for i, doc in enumerate(context)])
prompt = f"""์ง๋ฌธ: {query}
<context>
{context_text}
</context>
์ ๊ฒ์ ๊ฒฐ๊ณผ๋ฅผ ์ฐธ๊ณ ํ์ฌ ์ง๋ฌธ์ ๋ต๋ณํด ์ฃผ์ธ์."""
try:
return self.generate(
prompt=prompt,
system_prompt=system_prompt,
temperature=temperature,
max_tokens=max_tokens,
**kwargs
)
except Exception as e:
logger.error(f"RAG ํ
์คํธ ์์ฑ ์ค ์ค๋ฅ ๋ฐ์: {e}")
return f"์ค๋ฅ: {str(e)}"
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