Files
VRCT/src-python/models/translation/translation_lmstudio.py

120 lines
4.0 KiB
Python

from langchain_openai import ChatOpenAI
from pydantic import SecretStr
import requests
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.abspath(__file__)))
from translation_languages import translation_lang, loadTranslationLanguages
from translation_utils import loadPromptConfig
translation_lang = loadTranslationLanguages(path=".", force=True)
def _authentication_check(base_url: str | None = None) -> bool:
"""Check if the provided API key is valid by attempting to list models.
"""
try:
response = requests.get(f"{base_url}/models", timeout=0.2)
if response.status_code == 200:
return True
else:
return False
except Exception:
return False
def _get_available_text_models(base_url: str | None = None) -> list[str]:
"""Extract the list of available text models from the LM Studio.
"""
try:
response = requests.get(f"{base_url}/models", timeout=0.2)
models = response.json()["data"]
except Exception:
models = []
allowed_models = []
for model in models:
allowed_models.append(model["id"])
allowed_models.sort()
return allowed_models
class LMStudioClient:
"""LM Studio Translation simple wrapper.
prompt/translation_lmstudio.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 = "lmstudio"
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_lmstudio.yml")
self.supported_languages = list(translation_lang["LMStudio"]["source"].keys())
self.prompt_template = prompt_config["system_prompt"]
self.openai_llm = None
def getBaseURL(self) -> str | None:
return self.base_url
def setBaseURL(self, base_url: str | None) -> None:
result = _authentication_check(base_url=base_url)
if result:
self.base_url = base_url
return result
def getModelList(self) -> list[str]:
return _get_available_text_models(base_url=self.base_url) if self.base_url else []
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__":
client = LMStudioClient(base_url="http://127.0.0.1:1234/v1")
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"))