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Update app.py
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app.py
CHANGED
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@@ -1,4 +1,4 @@
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from fastapi import FastAPI, HTTPException, Depends, Request
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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import os
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@@ -6,7 +6,6 @@ import numpy as np
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from sentence_transformers import SentenceTransformer
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from typing import List, Optional
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import logging
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from fastapi import Header
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# 配置日志
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logging.basicConfig(
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@@ -33,7 +32,7 @@ app.add_middleware(
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# 模型映射:OpenAI模型名 → 开源模型名
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MODEL_MAPPING = {
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"text-embedding-3-small": "BAAI/bge-small-en-v1.5",
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"text-embedding-3-large": "BAAI/bge-large-en-v1.5"
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}
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# 加载模型(懒加载,首次请求时加载)
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@@ -42,12 +41,10 @@ models = {}
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def get_model(model_name: str):
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logger.info(f"尝试获取模型: {model_name}")
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if model_name not in models:
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# 检查是否支持该模型
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if model_name not in MODEL_MAPPING:
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error_msg = f"不支持的模型: {model_name}"
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logger.error(error_msg)
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raise HTTPException(status_code=400, detail=error_msg)
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# 加载模型
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logger.info(f"开始加载模型: {MODEL_MAPPING[model_name]}")
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try:
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models[model_name] = SentenceTransformer(MODEL_MAPPING[model_name])
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@@ -59,8 +56,8 @@ def get_model(model_name: str):
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return models[model_name]
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# 验证API密钥
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def verify_api_key(authorization: Optional[str] = None):
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logger.info("
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logger.info(f"Authorization头部内容: {authorization}")
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if not authorization or not authorization.startswith("Bearer "):
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logger.warning("未提供有效的API密钥格式")
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@@ -72,13 +69,13 @@ def verify_api_key(authorization: Optional[str] = None):
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logger.info("API密钥验证通过")
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return True
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# 请求体模型
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class EmbeddingRequest(BaseModel):
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input: str or List[str]
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model: str
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encoding_format: Optional[str] = "float"
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# 响应体模型
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class EmbeddingData(BaseModel):
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object: str = "embedding"
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embedding: List[float]
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@@ -90,23 +87,26 @@ class EmbeddingResponse(BaseModel):
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model: str
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usage: dict = {"prompt_tokens": 0, "total_tokens": 0}
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@app.post("/embeddings", response_model=EmbeddingResponse)
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async def create_embedding(
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request: Request,
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req: EmbeddingRequest
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_: bool = Depends(verify_api_key)
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):
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# 打印完整请求信息
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logger.info("\n===== 接收到的完整请求信息 =====")
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logger.info(f"请求方法: {request.method}")
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logger.info(f"请求URL: {request.url}")
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logger.info("请求头部:")
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for name, value in request.headers.items():
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logger.info(f" {name}: {value}")
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logger.info(f"请求体: {await request.body()}")
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logger.info("===============================\n")
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#
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logger.info(f"收到嵌入请求,模型: {req.model}, 输入类型: {type(req.input)}")
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try:
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model = get_model(req.model)
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@@ -135,18 +135,6 @@ async def create_embedding(
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logger.error(error_msg)
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raise HTTPException(status_code=500, detail=error_msg)
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# 健康检查接口也打印完整请求
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@app.post("/v1/embeddings")
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async def v1_check(request: Request):
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logger.info("\n===== v1请求信息 =====")
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logger.info(f"请求方法: {request.method}")
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logger.info(f"请求URL: {request.url}")
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logger.info("请求头部:")
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for name, value in request.headers.items():
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logger.info(f" {name}: {value}")
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logger.info("===============================\n")
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return {"status": "healthy", "models": list(MODEL_MAPPING.keys())}
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@app.get("/health")
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async def health_check(request: Request):
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logger.info("\n===== 健康检查请求信息 =====")
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from fastapi import FastAPI, HTTPException, Depends, Request, Header
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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import os
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from sentence_transformers import SentenceTransformer
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from typing import List, Optional
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import logging
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# 配置日志
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logging.basicConfig(
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# 模型映射:OpenAI模型名 → 开源模型名
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MODEL_MAPPING = {
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"text-embedding-3-small": "BAAI/bge-small-en-v1.5",
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"text-embedding-3-large": "BAAI/bge-large-en-v1.5"
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}
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# 加载模型(懒加载,首次请求时加载)
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def get_model(model_name: str):
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logger.info(f"尝试获取模型: {model_name}")
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if model_name not in models:
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if model_name not in MODEL_MAPPING:
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error_msg = f"不支持的模型: {model_name}"
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logger.error(error_msg)
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raise HTTPException(status_code=400, detail=error_msg)
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logger.info(f"开始加载模型: {MODEL_MAPPING[model_name]}")
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try:
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models[model_name] = SentenceTransformer(MODEL_MAPPING[model_name])
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return models[model_name]
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# 验证API密钥
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def verify_api_key(authorization: Optional[str] = Header(None)):
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logger.info("执行API密钥验证")
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logger.info(f"Authorization头部内容: {authorization}")
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if not authorization or not authorization.startswith("Bearer "):
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logger.warning("未提供有效的API密钥格式")
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logger.info("API密钥验证通过")
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return True
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# 请求体模型
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class EmbeddingRequest(BaseModel):
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input: str or List[str]
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model: str
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encoding_format: Optional[str] = "float"
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# 响应体模型
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class EmbeddingData(BaseModel):
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object: str = "embedding"
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embedding: List[float]
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model: str
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usage: dict = {"prompt_tokens": 0, "total_tokens": 0}
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@app.post("/v1/embeddings", response_model=EmbeddingResponse)
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async def create_embedding(
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request: Request,
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req: EmbeddingRequest
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):
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# 先打印完整请求信息(在验证之前)
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logger.info("\n===== 接收到的完整请求信息 =====")
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logger.info(f"请求方法: {request.method}")
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logger.info(f"请求URL: {request.url}")
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logger.info("请求头部:")
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for name, value in request.headers.items():
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logger.info(f" {name}: {value}")
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logger.info(f"请求体: {await request.body()}")
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logger.info("===============================\n")
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# 手动执行验证(在打印日志之后)
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authorization = request.headers.get("Authorization")
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verify_api_key(authorization)
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# 原有嵌入处理逻辑
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logger.info(f"收到嵌入请求,模型: {req.model}, 输入类型: {type(req.input)}")
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try:
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model = get_model(req.model)
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logger.error(error_msg)
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raise HTTPException(status_code=500, detail=error_msg)
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@app.get("/health")
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async def health_check(request: Request):
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logger.info("\n===== 健康检查请求信息 =====")
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