from dataclasses import dataclass, field
from typing import List, Dict

@dataclass
class Upload:
    img_quality: float = 1.0  # 默认值为 1.0f

@dataclass
class Config:
    url: str = "http://www.linxyun.com"  # 默认值
    entCode: str = field(default=None, metadata={"required": True, "message": "The 'entCode' property is mandatory"})
    project: str = field(default=None, metadata={"required": True, "message": "The 'project' property is mandatory"})
    role: Dict[str, List[str]] = field(default_factory=dict)
    white_list: List[str] = field(default_factory=list)
    upload: Upload = field(default_factory=Upload)

    def __post_init__(self):
        # 进行字段校验，例如检查必填字段
        if self.entCode is None:
            raise ValueError("The 'entCode' property is mandatory")
        if self.project is None:
            raise ValueError("The 'project' property is mandatory")