good version for 算法注册
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16
services/text-classification/Dockerfile
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16
services/text-classification/Dockerfile
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FROM python:3.9-slim
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WORKDIR /app
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# 安装依赖
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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# 复制代码
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COPY . .
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# 暴露端口
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EXPOSE 8000
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# 启动服务
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CMD ["python", "main.py"]
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66
services/text-classification/ai_algorithm.py
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66
services/text-classification/ai_algorithm.py
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import logging
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from typing import List, Dict, Any
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logger = logging.getLogger(__name__)
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class TextClassifier:
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"""文本分类器"""
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def __init__(self):
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"""初始化文本分类器"""
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logger.info("初始化文本分类器")
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# 这里可以加载预训练模型
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# 示例中使用简单的规则分类
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def classify(self, texts: List[str], params: Dict[str, Any] = None) -> List[Dict[str, Any]]:
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"""分类文本
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Args:
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texts: 文本列表
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params: 分类参数
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Returns:
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分类结果列表
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"""
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if params is None:
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params = {}
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threshold = params.get("threshold", 0.5)
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results = []
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for text in texts:
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# 简单的规则分类示例
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classification = self._simple_classify(text)
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results.append({
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"text": text,
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"label": classification["label"],
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"confidence": classification["confidence"]
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})
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return results
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def _simple_classify(self, text: str) -> Dict[str, Any]:
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"""简单的文本分类实现
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Args:
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text: 待分类的文本
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Returns:
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分类结果
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"""
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# 简单的规则分类
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text_lower = text.lower()
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if any(keyword in text_lower for keyword in ["技术", "科技", "编程", "代码"]):
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return {"label": "技术", "confidence": 0.9}
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elif any(keyword in text_lower for keyword in ["体育", "足球", "篮球", "运动"]):
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return {"label": "体育", "confidence": 0.85}
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elif any(keyword in text_lower for keyword in ["电影", "音乐", "娱乐", "游戏"]):
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return {"label": "娱乐", "confidence": 0.8}
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elif any(keyword in text_lower for keyword in ["美食", "餐厅", "烹饪", "食物"]):
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return {"label": "美食", "confidence": 0.85}
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elif any(keyword in text_lower for keyword in ["政治", "新闻", "政府", "政策"]):
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return {"label": "政治", "confidence": 0.9}
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else:
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return {"label": "其他", "confidence": 0.7}
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27
services/text-classification/config.py
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27
services/text-classification/config.py
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from pydantic_settings import BaseSettings
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from typing import Optional
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class Settings(BaseSettings):
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"""服务配置"""
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# 服务基本配置
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HOST: str = "0.0.0.0"
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PORT: int = 8001
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DEBUG: bool = True
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# 服务名称
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SERVICE_NAME: str = "text-classification"
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# 日志配置
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LOG_LEVEL: str = "info"
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# 算法配置
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ALGORITHM_THRESHOLD: float = 0.5
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class Config:
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env_file = ".env"
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case_sensitive = True
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# 创建全局配置实例
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settings = Settings()
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80
services/text-classification/main.py
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services/text-classification/main.py
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel
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import uvicorn
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import json
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import logging
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from .ai_algorithm import TextClassifier
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from .config import settings
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# 配置日志
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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)
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logger = logging.getLogger(__name__)
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# 初始化FastAPI应用
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app = FastAPI(
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title="文本分类服务",
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description="提供文本分类功能的AI服务",
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version="1.0.0"
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)
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# 初始化分类器
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classifier = TextClassifier()
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# 定义请求模型
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class PredictRequest(BaseModel):
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input_data: list
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params: dict = {}
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# 定义响应模型
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class PredictResponse(BaseModel):
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predictions: list
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status: str
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@app.post("/predict", response_model=PredictResponse)
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async def predict(request: PredictRequest):
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"""算法预测接口"""
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try:
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logger.info(f"Received prediction request: {request.input_data}")
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predictions = classifier.classify(request.input_data, request.params)
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logger.info(f"Prediction completed: {predictions}")
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return PredictResponse(
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predictions=predictions,
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status="success"
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)
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except Exception as e:
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logger.error(f"Prediction error: {str(e)}")
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raise HTTPException(status_code=500, detail=str(e))
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@app.get("/health")
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async def health_check():
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"""健康检查接口"""
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return {
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"status": "healthy",
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"service": "text-classification",
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"version": "1.0.0"
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}
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@app.get("/info")
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async def service_info():
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"""服务信息接口"""
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return {
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"name": "文本分类服务",
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"description": "提供文本分类功能的AI服务",
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"version": "1.0.0",
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"endpoints": {
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"/predict": "POST - 文本分类预测",
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"/health": "GET - 健康检查",
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"/info": "GET - 服务信息"
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}
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}
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if __name__ == "__main__":
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uvicorn.run(
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"main:app",
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host=settings.HOST,
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port=settings.PORT,
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reload=settings.DEBUG
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)
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5
services/text-classification/requirements.txt
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5
services/text-classification/requirements.txt
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fastapi==0.104.1
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uvicorn==0.24.0.post1
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pydantic==2.5.2
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pydantic-settings==2.1.0
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python-multipart==0.0.6
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24
services/text-classification/start.sh
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24
services/text-classification/start.sh
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#!/bin/bash
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# 启动文本分类服务
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# 进入服务目录
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cd "$(dirname "$0")"
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# 检查虚拟环境是否存在
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if [ ! -d "venv" ]; then
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echo "创建虚拟环境..."
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python3 -m venv venv
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fi
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# 激活虚拟环境
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echo "激活虚拟环境..."
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source venv/bin/activate
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# 安装依赖
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echo "安装依赖..."
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pip install --no-cache-dir -r requirements.txt
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# 启动服务
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echo "启动文本分类服务..."
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python main.py
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