LLM和TTS采用适配器模式进行解耦,方便扩展更多服务平台调用

This commit is contained in:
HonestQiao
2025-02-11 23:13:18 +08:00
parent 0105d97412
commit 28798dde5c
10 changed files with 287 additions and 270 deletions
+14 -125
View File
@@ -1,7 +1,10 @@
import os
import sys
import json
import logging
import openai
import requests
import importlib
from datetime import datetime
from core.utils.util import is_segment
from core.utils.util import get_string_no_punctuation_or_emoji
@@ -11,132 +14,15 @@ from abc import ABC, abstractmethod
logger = logging.getLogger(__name__)
class LLM(ABC):
@abstractmethod
def response(self, session_id, dialogue):
"""LLM response generator"""
pass
class DeepSeekLLM(LLM):
def __init__(self, config):
self.model_name = config.get("model_name")
self.api_key = config.get("api_key")
self.base_url = config.get("url")
self.client = openai.OpenAI(api_key=self.api_key, base_url=self.base_url)
def response(self, session_id, dialogue):
logger.info(f"Generating response using {dialogue}")
try:
responses = self.client.chat.completions.create(
model=self.model_name,
messages=dialogue,
stream=True
)
for chunk in responses:
# 检查是否存在有效的choice且content不为空
if chunk.choices and len(chunk.choices) > 0:
delta = chunk.choices[0].delta
content = getattr(delta, 'content', '')
if content: # 仅在content非空时生成
yield content
except Exception as e:
logger.error(f"Error in response generation: {e}")
class ChatGLMLLM(LLM):
def __init__(self, config):
self.model_name = config.get("model_name")
self.api_key = config.get("api_key")
self.base_url = config.get("url")
self.client = openai.OpenAI(api_key=self.api_key, base_url=self.base_url)
def response(self, session_id, dialogue):
try:
responses = self.client.chat.completions.create(
model=self.model_name,
messages=dialogue,
stream=True
)
for chunk in responses:
# 检查是否存在有效的choice且content不为空
if chunk.choices and len(chunk.choices) > 0:
delta = chunk.choices[0].delta
content = getattr(delta, 'content', '')
if content: # 仅在content非空时生成
yield content
except Exception as e:
logger.error(f"Error in response generation: {e}")
class AliLLM(LLM):
def __init__(self, config):
self.model_name = config.get("model_name")
self.api_key = config.get("api_key")
self.base_url = config.get("base_url")
self.client = openai.OpenAI(api_key=self.api_key, base_url=self.base_url)
def response(self, session_id, dialogue):
try:
responses = self.client.chat.completions.create(
model=self.model_name,
messages=dialogue,
stream=True
)
for chunk in responses:
# 检查是否存在有效的choice且content不为空
if chunk.choices and len(chunk.choices) > 0:
delta = chunk.choices[0].delta
content = getattr(delta, 'content', '')
if content: # 仅在content非空时生成
yield content
except Exception as e:
logger.error(f"Error in response generation: {e}")
class DifyLLM(LLM):
def __init__(self, config):
self.api_key = config["api_key"]
self.base_url = config.get("base_url", "https://api.dify.ai/v1").rstrip('/')
def response(self, session_id, dialogue):
try:
# 取最后一条用户消息
last_msg = next(m for m in reversed(dialogue) if m["role"] == "user")
# 发起流式请求
with requests.post(
f"{self.base_url}/chat-messages",
headers={"Authorization": f"Bearer {self.api_key}"},
json={
"query": last_msg["content"],
"response_mode": "streaming",
"user": session_id,
"inputs": {}
},
stream=True
) as r:
for line in r.iter_lines():
if line.startswith(b'data: '):
event = json.loads(line[6:])
if event.get('answer'):
yield event['answer']
except Exception:
yield "【服务响应异常】"
def create_instance(class_name, *args, **kwargs):
# 获取类对象
cls_map = {
"DeepSeekLLM": DeepSeekLLM,
"ChatGLMLLM": ChatGLMLLM,
"DifyLLM": DifyLLM,
"AliLLM": AliLLM,
# 可扩展其他LLM实现
}
# 创建LLM实例
if os.path.exists(os.path.join('core', 'providers', 'llm', class_name, f'{class_name}.py')):
lib_name = f'core.providers.llm.{class_name}.{class_name}'
if lib_name not in sys.modules:
sys.modules[lib_name] = importlib.import_module(f'{lib_name}')
return sys.modules[lib_name].LLMProvider(*args, **kwargs)
if cls := cls_map.get(class_name):
return cls(*args, **kwargs)
raise ValueError(f"不支持的LLM类型: {class_name}")
raise ValueError(f"不支持的LLM类型: {class_name},请检查该配置的type是否设置正确")
if __name__ == "__main__":
@@ -145,7 +31,10 @@ if __name__ == "__main__":
"""
config = read_config(get_project_dir() + "config.yaml")
llm = create_instance(
config["selected_module"]["LLM"],
config["selected_module"]["LLM"]
if not "type" in config["LLM"][config["selected_module"]["LLM"]]
else
config["LLM"][config["selected_module"]["LLM"]]["type"],
config["LLM"][config["selected_module"]["LLM"]]
)