feat: 兼容OpenAI格式的模型服务代理

This commit is contained in:
martsforever
2026-04-04 20:29:33 +08:00
parent ef945adc8c
commit d94d880f6f
3 changed files with 71 additions and 37 deletions
+5 -37
View File
@@ -2,11 +2,6 @@ from app.config.env import env
ai_configs = { ai_configs = {
# /*---------------------------------------local-------------------------------------------*/ # /*---------------------------------------local-------------------------------------------*/
"local": {
"model": "deepseek-r1-distill-qwen-7b",
"url": "http://127.0.0.1:1234/v1/chat/completions",
"key": env.llm_key_local
},
"local_glm": { "local_glm": {
"model": "glm-4-9b-0414", "model": "glm-4-9b-0414",
"url": "http://127.0.0.1:1234/v1/chat/completions", "url": "http://127.0.0.1:1234/v1/chat/completions",
@@ -17,38 +12,12 @@ ai_configs = {
"url": "http://127.0.0.1:1234/v1/embeddings", "url": "http://127.0.0.1:1234/v1/embeddings",
"key": env.llm_key_local "key": env.llm_key_local
}, },
# /*---------------------------------------deepseek-------------------------------------------*/
'deepseek-v3': {
'model': 'deepseek-chat',
'url': 'https://api.deepseek.com/chat/completions',
'key': env.llm_key_deepseek,
},
'deepseek-r1': {
'model': 'deepseek-reasoner',
'url': 'https://api.deepseek.com/chat/completions',
'key': env.llm_key_deepseek,
},
# /*---------------------------------------huoshan-------------------------------------------*/ # /*---------------------------------------huoshan-------------------------------------------*/
'huoshan-deepseek-v3': {
'model': 'deepseek-v3-250324',
'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
'key': env.llm_key_huoshan,
},
'huoshan-deepseek-r1': {
'model': 'deepseek-r1-distill-qwen-7b-250120',
'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
'key': env.llm_key_huoshan,
},
'huoshan-doubao': { 'huoshan-doubao': {
'model': 'doubao-1-5-lite-32k-250115', 'model': 'doubao-1-5-lite-32k-250115',
'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions', 'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
'key': env.llm_key_huoshan, 'key': env.llm_key_huoshan,
}, },
'huoshan-think-pro': {
'model': 'doubao-1-5-thinking-pro-250415',
'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
'key': env.llm_key_huoshan,
},
'huoshan-doubao-seed': { 'huoshan-doubao-seed': {
'model': 'doubao-seed-1-6-250615', 'model': 'doubao-seed-1-6-250615',
'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions', 'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
@@ -59,12 +28,6 @@ ai_configs = {
'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions', 'url': 'https://ark.cn-beijing.volces.com/api/v3/chat/completions',
'key': env.llm_key_huoshan, 'key': env.llm_key_huoshan,
}, },
'huoshan-embedding-240715': {
"model": 'doubao-embedding-text-240715',
"url": 'https://ark.cn-beijing.volces.com/api/v3/embeddings',
'key': env.llm_key_huoshan,
},
# /*---------------------------------------bailian-------------------------------------------*/ # /*---------------------------------------bailian-------------------------------------------*/
'bailian-qwen-turbo': { 'bailian-qwen-turbo': {
'model': 'qwen-turbo', 'model': 'qwen-turbo',
@@ -76,6 +39,11 @@ ai_configs = {
'url': 'https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions', 'url': 'https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions',
'key': env.llm_key_bailian, 'key': env.llm_key_bailian,
}, },
'bailian-qwen3.6-plus': {
'model': 'qwen3.6-plus',
'url': 'https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions',
'key': env.llm_key_bailian,
},
'bailian-embedding': { 'bailian-embedding': {
'model': 'text-embedding-v4', 'model': 'text-embedding-v4',
'url': 'https://dashscope.aliyuncs.com/compatible-mode/v1/embeddings', 'url': 'https://dashscope.aliyuncs.com/compatible-mode/v1/embeddings',
+5
View File
@@ -6,6 +6,7 @@ from app.controller.add_graph_proxy_route import add_graph_proxy_route
from app.controller.add_test_route import add_test_route from app.controller.add_test_route import add_test_route
from app.model.LlmDemoMdel import LlmDemoModel from app.model.LlmDemoMdel import LlmDemoModel
from app.model.ResumeTemplateModel import ResumeTemplateModel from app.model.ResumeTemplateModel import ResumeTemplateModel
from app.utils.add_llm_routes import add_llm_routes
from app.utils.add_model_routes import add_model_routes from app.utils.add_model_routes import add_model_routes
from app.utils.next_id import add_next_id_route from app.utils.next_id import add_next_id_route
@@ -19,6 +20,10 @@ routes = [
add_next_id_route, # 生成ID接口 add_next_id_route, # 生成ID接口
add_file_route, # 文件上传接口 add_file_route, # 文件上传接口
lambda app: add_llm_routes(app, 'huoshan-doubao'),
lambda app: add_llm_routes(app, 'doubao-vision-lite'),
lambda app: add_llm_routes(app, 'bailian-qwen3.6-plus'),
lambda app: add_model_routes(app,LlmDemoModel,'/llm_demo'), # LlmDemo 测试用户模块 lambda app: add_model_routes(app,LlmDemoModel,'/llm_demo'), # LlmDemo 测试用户模块
lambda app: add_model_routes(app,ResumeTemplateModel,'/llm_resume_template'), # 简历模板 lambda app: add_model_routes(app,ResumeTemplateModel,'/llm_resume_template'), # 简历模板
] ]
+61
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@@ -0,0 +1,61 @@
import httpx
from fastapi import APIRouter, Request, HTTPException, FastAPI
from fastapi.responses import StreamingResponse
from app.config.ai_configs import ai_configs
async def proxy_openai_request(request: Request, config_key: str):
"""
通用代理函数:将请求转发至指定的上游模型服务
"""
if config_key not in ai_configs:
raise HTTPException(status_code=404, detail=f"Config {config_key} not found")
config = ai_configs[config_key]
target_url = config["url"]
api_key = config["key"]
real_model_name = config["model"]
# 1. 获取原始请求体并修改模型名称
body = await request.json()
body["model"] = real_model_name # 强制替换为上游真正识别的模型名
# 2. 准备请求头
headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json"
}
client = httpx.AsyncClient()
# 3. 处理流式响应 (OpenAI 协议的关键)
if body.get("stream", False):
async def stream_generator():
async with client.stream("POST", target_url, json=body, headers=headers, timeout=60.0) as response:
async for chunk in response.aiter_bytes():
yield chunk
await client.aclose()
return StreamingResponse(stream_generator(), media_type="text/event-stream")
# 4. 处理非流式响应
else:
response = await client.post(target_url, json=body, headers=headers, timeout=60.0)
await client.aclose()
return response.json()
def add_llm_routes(app: FastAPI, config_name: str):
"""
动态生成路由的辅助函数
"""
# 自动根据配置判断是 chat 还是 embeddings 路径
is_embedding = "embedding" in config_name or "embeddings" in ai_configs[config_name]["url"]
path = "/v1/embeddings" if is_embedding else "/v1/chat/completions"
@app.post(f"/{config_name}{path}")
async def dynamic_proxy(request: Request):
return await proxy_openai_request(request, config_name)
print(f"🚀 Proxy LLM route: /{config_name}{path}")