初始化

core/config/settings.py

@@ -0,0 +1,179 @@
+from typing import List
+from pydantic import Field
+from pydantic_settings import BaseSettings, SettingsConfigDict
+from enum import Enum
+
+
+class Environment(str, Enum):
+    """环境枚举"""
+    LOCAL = "local"
+    DEVELOPMENT = "dev"
+    STAGING = "staging"
+    PRODUCTION = "prod"
+
+
+class LogLevel(str, Enum):
+    """日志级别枚举"""
+    DEBUG = "DEBUG"
+    INFO = "INFO"
+    WARNING = "WARNING"
+    ERROR = "ERROR"
+    CRITICAL = "CRITICAL"
+
+
+class Settings(BaseSettings):
+    """
+    应用配置类
+    自动从 .env 文件和环境变量中读取配置
+    """
+
+    # ---------- 基础配置 ----------
+    APP_NAME: str = Field(
+        default="Lottery Server",
+        description="应用名称"
+    )
+
+    APP_DESCRIPTION: str = Field(
+        default="一个自己看的彩票信息服务",
+        description="应用描述"
+    )
+
+    ENVIRONMENT: Environment = Field(
+        default=Environment.LOCAL,
+        description="运行环境"
+    )
+
+    # ---------- 服务器配置 ----------
+    HOST: str = Field(
+        default="0.0.0.0",
+        description="服务监听地址"
+    )
+    PORT: int = Field(
+        default=8000,
+        ge=1,
+        le=65535,
+        description="服务监听端口"
+    )
+
+    # ---------- 数据库MYSQL配置 ----------
+    MYSQL_USER: str = Field(
+        default='root',
+        description="MySQL用户名"
+    )
+    MYSQL_PASSWORD: str = Field(
+        default='Azure1314',
+        description="MySQL密码"
+    )
+    MYSQL_HOST: str = Field(
+        default='127.0.0.1',
+        description="MySQL主机地址"
+    )
+    MYSQL_PORT: int = Field(
+        default=3306,
+        ge=1,
+        le=65535,
+        description="MySQL端口"
+    )
+    MYSQL_DB: str = Field(
+        default='lottery_server',
+        description="MySQL数据库名"
+    )
+
+    DATABASE_POOL_SIZE: int = Field(
+        default=10,
+        ge=1,
+        le=100,
+        description="数据库连接池大小"
+    )
+    DATABASE_MAX_OVERFLOW: int = Field(
+        default=20,
+        description="连接池最大溢出连接数"
+    )
+    DATABASE_ECHO: bool = Field(
+        default=False,
+        description="是否打印SQL语句"
+    )
+
+    # ---------- CORS配置 ----------
+    ALLOWED_ORIGINS: List[str] = Field(
+        default=["*"],
+        description="允许的CORS源"
+    )
+    ALLOWED_METHODS: List[str] = Field(
+        default=["GET", "POST", "PUT", "DELETE", "OPTIONS"],
+        description="允许的HTTP方法"
+    )
+    ALLOWED_HEADERS: List[str] = Field(
+        default=["*"],
+        description="允许的HTTP头"
+    )
+
+    # ---------- 限流配置 ----------
+    RATE_LIMIT_PER_MINUTE: int = Field(
+        default=60,
+        ge=1,
+        description="每分钟请求限制"
+    )
+    RATE_LIMIT_PER_DAY: int = Field(
+        default=10000,
+        ge=1,
+        description="每天请求限制"
+    )
+
+    # ---------- 文件上传配置 ----------
+    MAX_UPLOAD_SIZE_MB: int = Field(
+        default=10,
+        ge=1,
+        le=100,
+        description="最大上传文件大小（MB）"
+    )
+    ALLOWED_UPLOAD_EXTENSIONS: List[str] = Field(
+        default=[".jpg", ".jpeg", ".png", ".pdf", ".docx"],
+        description="允许上传的文件扩展名"
+    )
+    UPLOAD_DIR: str = Field(
+        default="./uploads",
+        description="文件上传目录"
+    )
+
+    # ---------- 缓存配置 ----------
+    CACHE_TTL_SECONDS: int = Field(
+        default=300,
+        ge=1,
+        description="缓存过期时间（秒）"
+    )
+
+    # ---------- 计算属性 ----------
+    @property
+    def mysql_url(self) -> str:
+        """MySQL连接URL"""
+        # 连接url格式：mysql+pymysql://user:password@host:port/dbname
+        return f"mysql+pymysql://{self.MYSQL_USER}:{self.MYSQL_PASSWORD}@{self.MYSQL_HOST}:{self.MYSQL_PORT}/{self.MYSQL_DB}?charset=utf8mb4"
+
+    @property
+    def is_production(self) -> bool:
+        """是否为生产环境"""
+        return self.ENVIRONMENT == Environment.PRODUCTION
+
+    @property
+    def is_development(self) -> bool:
+        """是否为开发环境"""
+        return self.ENVIRONMENT in [Environment.LOCAL, Environment.DEVELOPMENT]
+
+    # ---------- 配置加载设置 ----------
+    model_config = SettingsConfigDict(
+        env_file=".env.local",  # .env文件路径
+        env_file_encoding="utf-8",  # 文件编码
+        case_sensitive=True,  # 环境变量名大小写敏感
+        extra="ignore",  # 忽略未定义的额外字段
+        validate_default=True,  # 验证默认值
+        # secrets_dir="/run/secrets",       # Docker secrets支持（可选）
+    )
+
+
+# 创建全局单例配置实例
+settings = Settings()
+
+
+# 导出配置实例
+__all__ = ["settings", "Environment", "LogLevel"]