完成--fastapi框架初步完成

api/data_api.py

@@ -0,0 +1,76 @@
+from fastapi import APIRouter, HTTPException, Query
+from typing import Optional, List, Dict
+from function.data_manager import DataManager
+from pydantic import BaseModel
+
+router = APIRouter()
+data_manager = DataManager()
+
+# 数据模型
+class ProcessRequest(BaseModel):
+    input_file: str
+    output_path: str
+    preprocessing: List[Dict]
+    feature_engineering: List[Dict]
+    split_ratio: Dict[str, float]
+
+@router.get("/preprocessing/methods")
+async def get_preprocessing_methods():
+    """获取数据预处理方法列表"""
+    result = data_manager.get_preprocessing_methods()
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.get("/preprocessing/method/{method_name}")
+async def get_preprocessing_method_details(method_name: str):
+    """获取预处理方法详情"""
+    result = data_manager.get_preprocessing_method_details(method_name)
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.get("/feature/methods")
+async def get_feature_methods():
+    """获取特征工程方法列表"""
+    result = data_manager.get_feature_engineering_methods()
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.get("/feature/method/{method_name}")
+async def get_feature_method_details(method_name: str):
+    """获取特征工程方法详情"""
+    result = data_manager.get_feature_engineering_method_details(method_name)
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.post("/process")
+async def process_dataset(request: ProcessRequest):
+    """处理数据集"""
+    result = data_manager.process_dataset(
+        input_path=request.input_file,
+        output_dir=request.output_path,
+        process_methods=request.preprocessing,
+        feature_methods=request.feature_engineering,
+        split_params=request.split_ratio
+    )
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['message'])
+    return result
+
+@router.get("/datasets")
+async def get_datasets():
+    """获取可用数据集列表"""
+    try:
+        datasets = data_manager.get_dataset()
+        return {
+            "status": "success",
+            "datasets": datasets
+        }
+    except Exception as e:
+        raise HTTPException(
+            status_code=500,
+            detail=f"获取数据集列表失败: {str(e)}"
+        )

api/model_api.py

@@ -0,0 +1,114 @@
+from fastapi import APIRouter, HTTPException, Query, Path
+from typing import Optional, List, Dict
+from function.model_manager import ModelManager
+from pydantic import BaseModel
+
+router = APIRouter()
+model_manager = ModelManager()
+
+# 数据模型
+class TrainRequest(BaseModel):
+    model: str
+    dataset: Dict[str, str]
+    parameters: Dict
+    metrics: List[str]
+
+class PredictRequest(BaseModel):
+    run_id: str
+    data: str
+    output_path: str
+    batch_size: int = 32
+    device: str = "cuda"
+    return_proba: bool = True
+    metrics: Optional[List[str]] = None
+
+@router.get("/available")
+async def get_available_models():
+    """获取可用模型列表"""
+    result = model_manager.get_models()
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.get("/available/{model_name}")
+async def get_model_details(model_name: str):
+    """获取模型详情"""
+    result = model_manager.get_model_details(model_name)
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.get("/metrics")
+async def get_metrics():
+    """获取评价指标列表"""
+    result = model_manager.get_metrics()
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+@router.post("/train")
+async def train_model(request: TrainRequest):
+    """模型训练"""
+    result = model_manager.train_model(
+        train_data=request.dataset['train'],
+        val_data=request.dataset.get('val'),
+        model_config={
+            'model_name': request.model,
+            'parameters': request.parameters,
+            'metrics': request.metrics
+        }
+    )
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['message'])
+    return result
+
+@router.get("/experiments")
+async def get_experiments(
+    page: int = Query(1, ge=1),
+    page_size: int = Query(10, ge=1, le=100)
+):
+    """获取MLFlow中保存的实验"""
+    result = model_manager.get_experiments(page=page, page_size=page_size)
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['message'])
+    return result
+
+@router.get("/experiment/{experiment_name}")
+async def get_finished_models(
+    experiment_name: str,
+    page: int = Query(1, ge=1),
+    page_size: int = Query(10, ge=1, le=100)
+):
+    """获取已训练完成的模型列表"""
+    result = model_manager.get_finished_models(
+        experiment_name=experiment_name,
+        page=page,
+        page_size=page_size
+    )
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['message'])
+    return result
+
+@router.delete("/{run_id}")
+async def delete_model(run_id: str = Path(..., description="MLflow运行ID")):
+    """删除指定的训练好的模型"""
+    result = model_manager.delete_model(run_id)
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['message'])
+    return result
+
+@router.post("/predict")
+async def predict(request: PredictRequest):
+    """模型预测"""
+    result = model_manager.predict(
+        run_id=request.run_id,
+        data_path=request.data,
+        output_path=request.output_path,
+        batch_size=request.batch_size,
+        device=request.device,
+        return_proba=request.return_proba,
+        metrics=request.metrics
+    )
+    if result['status'] == 'error':
+        raise HTTPException(status_code=500, detail=result['message'])
+    return result

api/system_api.py

@@ -6,7 +6,7 @@ from function.system_monitor import SystemMonitor
 router = APIRouter()
 system_monitor = SystemMonitor()
 
-@router.get("/system/resources")
+@router.get("/resources")
 async def get_system_resources():
     """获取系统资源使用情况"""
     result = system_monitor.get_system_resources()
@@ -14,7 +14,7 @@ async def get_system_resources():
         raise HTTPException(status_code=500, detail=result['message'])
     return result
 
-@router.get("/system/history")
+@router.get("/history")
 async def get_training_history(
     page: int = Query(1, ge=1),
     page_size: int = Query(10, ge=1, le=100),
@@ -36,7 +36,7 @@ async def get_training_history(
         raise HTTPException(status_code=500, detail=result['message'])
     return result
 
-@router.get("/system/logs")
+@router.get("/logs")
 async def get_system_logs(
     level: Optional[str] = None,
     start_time: Optional[str] = None,

doc/安装文档.md

@@ -0,0 +1,63 @@
+# 运行说明
+
+## 1. 启动mlflow
+    - mlflow server --host 10.0.0.202 --port 5000
+## 2. 运行 main.py
+
+
+## 3. 测试接口
+
+GET http://10.0.0.202:8992/health
+
+### 3.1 获取数据预处理方法列表
+GET http://10.0.0.202:8992/data/preprocessing/methods
+
+### 3.2 获取预处理方法详情
+
+GET http://10.0.0.202:8992/data/preprocessing/method/{method_name}
+
+### 3.3 获取特征工程方法列表
+GET http://10.0.0.202:8992/data/feature/methods
+
+### 3.4 获取特征工程方法详情
+
+GET http://10.0.0.202:8992/data/feature/method/{method_name}
+
+### 3.5 处理数据集
+POST http://10.0.0.202:8992/data/process
+
+### 3.6 获取可用数据集列表
+GET http://10.0.0.202:8992/data/datasets
+
+### 3.7 获取可用模型列表
+GET http://10.0.0.202:8992/model/available
+
+### 3.8 获取模型详情
+GET http://10.0.0.202:8992/model/available/{model_name}
+
+### 3.9 获取评价指标列表
+GET http://10.0.0.202:8992/model/metrics
+
+### 3.10 模型训练
+POST
+
+### 3.11 获取实验列表
+GET http://10.0.0.202:8992/model/experiments
+
+### 3.12 获取具体实验内容
+GET http://10.0.0.202://8992/model/experiment/{experiment_name}
+
+### 3.13 删除模型指定实验模型
+DELETE 
+
+### 3.14 模型预测
+POST 
+
+### 3.15 查看系统资源使用情况
+GET http://10.0.0.202:8992/system/resources
+
+### 3.16 查看训练历史
+GET http://10.0.0.202:8992/system/history
+
+### 3.17 查看系统训练日志
+GET http://10.0.0.202:8992/system/logs

doc/接口文档code.md

@@ -3,7 +3,7 @@
 ## 1. 数据处理模块
 ### 1.1 获取数据预处理方法列表
 ```http
-GET /api/data/preprocessing/methods
+GET /data/preprocessing/methods
 
 Response:
 {
@@ -33,7 +33,7 @@ Response:
 
 ### 1.2 获取预处理方法详情
 ```http
-GET /api/data/preprocessing/methods/{method_name}
+GET /data/preprocessing/method/{method_name}
 
 Response:
 {
@@ -67,7 +67,7 @@ Response:
 
 ### 1.3 获取特征工程方法列表
 ```http
-GET /api/data/feature/methods
+GET /data/feature/methods
 
 Response:
 {
@@ -97,7 +97,7 @@ Response:
 
 ### 1.4 获取特征工程方法详情
 ```http
-GET /api/data/feature/methods/{method_name}
+GET /data/feature/method/{method_name}
 
 Response:
 {
@@ -128,7 +128,7 @@ Response:
 
 ### 1.5 处理数据集
 ```http
-POST /api/data/process
+POST /data/process
 Content-Type: application/json
 
 Request:
@@ -182,7 +182,7 @@ Response:
 
 ### 1.6 查看可用数据集
 ```http
-GET /api/data/datasets
+GET /data/datasets
 
 Response:
 {
@@ -275,7 +275,7 @@ Response:
 ## 2. 模型接口
 ### 2.1 获取可用模型列表
 ```http
-GET /api/models/available
+GET /model/available
 
 Response:
 {
@@ -299,7 +299,7 @@ Response:
 
 ### 2.2 获取模型详情
 ```http
-GET /api/models/{model_name}
+GET /model/available/{model_name}
 
 Response:
 {
@@ -329,7 +329,7 @@ Response:
 
 ### 2.3 获取评价指标列表
 ```http
-GET /api/metrics
+GET /model/metrics
 
 Response:
 {
@@ -369,7 +369,7 @@ Response:
 
 ### 2.4 模型训练
 ```http
-POST /api/train
+POST /model/train
 Content-Type: application/json
 
 Request:
@@ -396,7 +396,7 @@ Response:
 ```
 ### 2.5 获取MLFlow中保存的实验
 ```http
-GET /api/experiments
+GET /model/experiments
 
 Response:
 {
@@ -424,7 +424,7 @@ Response:
 
 ### 2.6 获取已经训练好的模型列表
 ```http
-GET /api/models/finished/{experiment_name}
+GET /model/experiment/{experiment_name}
 
 Response:
 {
@@ -458,7 +458,7 @@ Response:
 ```
 ### 2.7 删除指定的训练好的模型
 ```http
-DELETE /api/models/{run_id}
+DELETE /model/{run_id}
 
 Response:
 {
@@ -478,7 +478,7 @@ Response:
 ```
 ### 2.8 模型预测
 ```http
-POST /api/model/predict
+POST /model/predict
 Content-Type: application/json
 
 Request:
@@ -526,10 +526,11 @@ Error Response:
 ### 2.9 模型优化 -- 未实现
 
 
+
 ## 3. 系统监控
 ### 3.1 获取资源使用情况
 ```http
-GET /api/system/resources
+GET /system/resources
 
 Response:
 {
@@ -623,7 +624,7 @@ Error Response:
 
 ### 3.2 获取训练历史
 ```http
-GET /api/system/history?page=1&page_size=10&start_time=2025-02-01&end_time=2025-02-19&status=completed&experiment_name=breast_cancer_classification
+GET /system/history?page=1&page_size=10&start_time=2025-02-01&end_time=2025-02-19&status=completed&experiment_name=breast_cancer_classification
 
 Parameters:
 - page: 页码 (默认: 1)
@@ -709,7 +710,7 @@ Response:
 
 ### 3.4 获取系统日志
 ```http
-GET /api/system/logs?level=error&start_time=2025-02-19T00:00:00&end_time=2025-02-19T23:59:59&module=training&page=1&page_size=20
+GET /system/logs?level=error&start_time=2025-02-19T00:00:00&end_time=2025-02-19T23:59:59&module=training&page=1&page_size=20
 
 Parameters:
 - level: 日志级别过滤 (可选: debug, info, warning, error, critical)
@@ -778,9 +779,8 @@ MLPlatform/
 │   ├── model_api.py       # 模型相关接口
 │   └── system_api.py      # 系统监控相关接口
 ├── function/              # 功能实现层
-│   ├── data_processor.py  # 数据处理类
+│   ├── data_manager.py  # 数据处理类
 │   ├── model_manager.py   # 模型管理类
-│   ├── model_trainer.py   # 模型训练类
 │   ├── system_monitor.py  # 系统监控类
 │   └── utils/            # 工具函数
 ├── config/               # 配置文件

function/data_manager.py

@@ -597,6 +597,14 @@ class DataManager:
                 "error": str(e)
             } 
         
+
+    def _clean_json_line(self,line):
+        # 替换掉不符合JSON标准的特殊浮点数值
+        line = line.replace('NaN', 'null')
+        line = line.replace('Infinity', '1e308')  # 或者选择一个合适的替代值
+        line = line.replace('-Infinity', '-1e308')  # 同上
+        return line
+        
     def get_dataset(self):
         back = list()
 
@@ -611,8 +619,15 @@ class DataManager:
             json_files = list(folder_path.glob('*.json'))
 
             for json_file in json_files:
+
+
+                # json是不能处理NaN这类的数值,需要单独处理他们
                 with open(json_file.as_posix(), 'r', encoding='utf-8') as f:
-                    json_data = json.load(f)
+                    cleaned_lines = [self._clean_json_line(line) for line in f]
+                    json_data = json.loads(''.join(cleaned_lines))
+                    # json_data = json.load(f ,allow_nan=True)
 
                 back.append(json_data)
+
+        # print("可用数据集", back)
         return back

main.py

@@ -1,12 +1,15 @@
-from fastapi import FastAPI, HTTPException, Depends, BackgroundTasks
+from fastapi import FastAPI, HTTPException, Depends, BackgroundTasks, Request
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.security import OAuth2PasswordBearer
+from fastapi.responses import JSONResponse
+from fastapi.exceptions import RequestValidationError
 from typing import Optional, Dict, List
 import uvicorn
 from pathlib import Path
 import logging
 import yaml
 from datetime import datetime
+import time
 
 # 导入API路由
 from api.data_api import router as data_router
@@ -17,30 +20,11 @@ from api.system_api import router as system_router
 app = FastAPI(
     title="机器学习平台API",
     description="提供数据处理、模型训练和系统监控功能的API服务",
-    version="1.0.0"
+    version="1.0.0",
+    docs_url="/docs",
+    redoc_url="/redoc"
 )
 
-# 配置CORS
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=["*"],
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
-
-# 设置日志
-logging.basicConfig(
-    level=logging.INFO,
-    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
-    handlers=[
-        logging.FileHandler(f'.log/server_{datetime.now():%Y%m%d_%H%M%S}.log'),
-        logging.StreamHandler()
-    ]
-)
-
-logger = logging.getLogger(__name__)
-
 # 加载配置
 def load_config():
     try:
@@ -50,23 +34,137 @@ def load_config():
         logger.error(f"Error loading config: {str(e)}")
         return {}
 
+# 初始化配置
 config = load_config()
 
+# 设置日志
+log_dir = Path('.log')
+log_dir.mkdir(exist_ok=True)
+
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+    handlers=[
+        logging.FileHandler(log_dir / f'server_{datetime.now():%Y%m%d_%H%M%S}.log'),
+        logging.StreamHandler()
+    ]
+)
+
+logger = logging.getLogger(__name__)
+
+# 配置CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=config.get('cors', {}).get('origins', ["*"]),
+    allow_credentials=True,
+    allow_methods=config.get('cors', {}).get('methods', ["*"]),
+    allow_headers=config.get('cors', {}).get('headers', ["*"]),
+    max_age=config.get('cors', {}).get('max_age', 600),
+)
+
+# 请求计时中间件
+@app.middleware("http")
+async def add_process_time_header(request: Request, call_next):
+    start_time = time.time()
+    response = await call_next(request)
+    process_time = time.time() - start_time
+    response.headers["X-Process-Time"] = str(process_time)
+    return response
+
+# 全局错误处理
+@app.exception_handler(RequestValidationError)
+async def validation_exception_handler(request: Request, exc: RequestValidationError):
+    """处理请求参数验证错误"""
+    return JSONResponse(
+        status_code=422,
+        content={
+            "status": "error",
+            "message": "请求参数验证失败",
+            "details": exc.errors()
+        }
+    )
+
+@app.exception_handler(HTTPException)
+async def http_exception_handler(request: Request, exc: HTTPException):
+    """处理HTTP异常"""
+    return JSONResponse(
+        status_code=exc.status_code,
+        content={
+            "status": "error",
+            "message": exc.detail
+        }
+    )
+
+@app.exception_handler(Exception)
+async def general_exception_handler(request: Request, exc: Exception):
+    """处理其他异常"""
+    logger.error(f"Unhandled exception: {str(exc)}", exc_info=True)
+    return JSONResponse(
+        status_code=500,
+        content={
+            "status": "error",
+            "message": "服务器内部错误",
+            "details": str(exc) if config.get('debug', False) else None
+        }
+    )
+
 # 注册路由
-app.include_router(data_router, prefix="/api", tags=["数据处理"])
-app.include_router(model_router, prefix="/api", tags=["模型管理"])
-app.include_router(system_router, prefix="/api", tags=["系统监控"])
+app.include_router(
+    data_router,
+    prefix="/data",
+    tags=["数据处理"],
+    responses={404: {"description": "Not found"}},
+)
+
+app.include_router(
+    model_router,
+    prefix="/model",
+    tags=["模型管理"],
+    responses={404: {"description": "Not found"}},
+)
+
+app.include_router(
+    system_router,
+    prefix="/system",
+    tags=["系统监控"],
+    responses={404: {"description": "Not found"}},
+)
 
 # 健康检查
 @app.get("/health")
 async def health_check():
-    return {"status": "healthy", "timestamp": datetime.now().isoformat()}
+    """系统健康检查"""
+    return {
+        "status": "healthy",
+        "timestamp": datetime.now().isoformat(),
+        "version": app.version,
+        "environment": config.get('environment', 'production')
+    }
+
+# 启动事件
+@app.on_event("startup")
+async def startup_event():
+    """服务启动时的初始化操作"""
+    logger.info("Server starting up...")
+    # 创建必要的目录
+    Path("dataset/dataset_raw").mkdir(parents=True, exist_ok=True)
+    Path("dataset/dataset_processed").mkdir(parents=True, exist_ok=True)
+    Path(".log").mkdir(exist_ok=True)
+    logger.info("Server started successfully")
+
+# 关闭事件
+@app.on_event("shutdown")
+async def shutdown_event():
+    """服务关闭时的清理操作"""
+    logger.info("Server shutting down...")
 
 if __name__ == "__main__":
     uvicorn.run(
         "main:app",
         host=config.get('host', '0.0.0.0'),
-        port=config.get('port', 8000),
-        reload=True,
-        workers=config.get('workers', 4)
+        port=config.get('port', 8992),
+        reload=config.get('debug', True),
+        workers=config.get('workers', 4),
+        log_level=config.get('log_level', 'info'),
+        access_log=True
     )