141 lines
5.0 KiB
Python
141 lines
5.0 KiB
Python
from openai import OpenAI
|
||
from langchain_openai import ChatOpenAI
|
||
from pydantic import SecretStr
|
||
|
||
try:
|
||
from .translation_languages import translation_lang
|
||
from .translation_utils import loadPromptConfig
|
||
except Exception:
|
||
import sys
|
||
from os import path as os_path
|
||
sys.path.append(os_path.dirname(os_path.dirname(os_path.dirname(os_path.abspath(__file__)))))
|
||
from translation_languages import translation_lang, loadTranslationLanguages
|
||
from translation_utils import loadPromptConfig
|
||
translation_lang = loadTranslationLanguages(path=".", force=True)
|
||
|
||
def _authentication_check(api_key: str, base_url: str | None = None) -> bool:
|
||
"""Check if the provided API key is valid by attempting to list models.
|
||
"""
|
||
try:
|
||
client = OpenAI(api_key=api_key, base_url=base_url)
|
||
client.models.list()
|
||
return True
|
||
except Exception:
|
||
return False
|
||
|
||
def _get_available_text_models(api_key: str, base_url: str | None = None) -> list[str]:
|
||
"""Extract only GPT models suitable for translation and chat applications (plus those with fine-tuning)
|
||
"""
|
||
client = OpenAI(api_key=api_key, base_url=base_url)
|
||
res = client.models.list()
|
||
allowed_models = []
|
||
|
||
for model in res.data:
|
||
model_id = model.id
|
||
root = getattr(model, "root", "")
|
||
|
||
# 除外対象のキーワード
|
||
exclude_keywords = [
|
||
"whisper", # 音声認識
|
||
"embedding", # 埋め込み
|
||
"image", # 画像生成
|
||
"tts", # 音声合成
|
||
"audio", # 音声系（transcribe, diarize含む）
|
||
"search", # 検索補助モデル
|
||
"transcribe", # 音声→文字起こし
|
||
"diarize", # 話者分離
|
||
"vision" # 画像入力系（旧gpt-4-visionなど）
|
||
]
|
||
|
||
# 除外キーワードが含まれているモデルをスキップ
|
||
if any(kw in model_id for kw in exclude_keywords):
|
||
continue
|
||
|
||
# GPTモデルまたはFine-tune GPTモデルのみ対象
|
||
if model_id.startswith("gpt-"):
|
||
allowed_models.append(model_id)
|
||
elif model_id.startswith("ft:") and root.startswith("gpt-"):
|
||
allowed_models.append(model_id)
|
||
|
||
allowed_models.sort()
|
||
return allowed_models
|
||
|
||
class OpenAIClient:
|
||
"""OpenAI Translation simple wrapper.
|
||
prompt/translation_openai.yml から system_prompt / supported_languages を読み込む。
|
||
"""
|
||
def __init__(self, base_url: str | None = None, root_path: str = None):
|
||
self.api_key = None
|
||
self.model = None
|
||
self.base_url = base_url # None の場合は公式エンドポイント
|
||
|
||
prompt_config = loadPromptConfig(root_path, "translation_openai.yml")
|
||
self.supported_languages = list(translation_lang["OpenAI_API"]["source"].keys())
|
||
self.prompt_template = prompt_config["system_prompt"]
|
||
|
||
self.openai_llm = None
|
||
|
||
def getModelList(self) -> list[str]:
|
||
return _get_available_text_models(self.api_key, self.base_url) if self.api_key else []
|
||
|
||
def getAuthKey(self) -> str:
|
||
return self.api_key
|
||
|
||
def setAuthKey(self, api_key: str) -> bool:
|
||
result = _authentication_check(api_key, self.base_url)
|
||
if result:
|
||
self.api_key = api_key
|
||
return result
|
||
|
||
def getModel(self) -> str:
|
||
return self.model
|
||
|
||
def setModel(self, model: str) -> bool:
|
||
if model in self.getModelList():
|
||
self.model = model
|
||
return True
|
||
else:
|
||
return False
|
||
|
||
def updateClient(self) -> None:
|
||
self.openai_llm = ChatOpenAI(
|
||
base_url=self.base_url,
|
||
model=self.model,
|
||
api_key=SecretStr(self.api_key),
|
||
streaming=False,
|
||
)
|
||
|
||
def translate(self, text: str, input_lang: str, output_lang: str) -> str:
|
||
system_prompt = self.prompt_template.format(
|
||
supported_languages=self.supported_languages,
|
||
input_lang=input_lang,
|
||
output_lang=output_lang,
|
||
)
|
||
messages = [
|
||
{"role": "system", "content": system_prompt},
|
||
{"role": "user", "content": text},
|
||
]
|
||
|
||
resp = self.openai_llm.invoke(messages)
|
||
content = ""
|
||
if isinstance(resp.content, str):
|
||
content = resp.content
|
||
elif isinstance(resp.content, list):
|
||
for part in resp.content:
|
||
if isinstance(part, str):
|
||
content += part
|
||
elif isinstance(part, dict) and "content" in part and isinstance(part["content"], str):
|
||
content += part["content"]
|
||
return content.strip()
|
||
|
||
if __name__ == "__main__":
|
||
AUTH_KEY = "OPENAI_API_KEY"
|
||
client = OpenAIClient()
|
||
client.setAuthKey(AUTH_KEY)
|
||
models = client.getModelList()
|
||
if models:
|
||
print("Available models:", models)
|
||
model = input("Select a model: ")
|
||
client.setModel(model)
|
||
client.updateClient()
|
||
print(client.translate("こんにちは世界", "Japanese", "English")) |