| 123456789101112131415161718192021222324252627282930313233343536373839404142434445 | from typing import Optionalfrom pydantic import Fieldfrom pydantic_settings import BaseSettingsclass AliyunOSSStorageConfig(BaseSettings):    """    Configuration settings for Aliyun Object Storage Service (OSS)    """    ALIYUN_OSS_BUCKET_NAME: Optional[str] = Field(        description="Name of the Aliyun OSS bucket to store and retrieve objects",        default=None,    )    ALIYUN_OSS_ACCESS_KEY: Optional[str] = Field(        description="Access key ID for authenticating with Aliyun OSS",        default=None,    )    ALIYUN_OSS_SECRET_KEY: Optional[str] = Field(        description="Secret access key for authenticating with Aliyun OSS",        default=None,    )    ALIYUN_OSS_ENDPOINT: Optional[str] = Field(        description="URL of the Aliyun OSS endpoint for your chosen region",        default=None,    )    ALIYUN_OSS_REGION: Optional[str] = Field(        description="Aliyun OSS region where your bucket is located (e.g., 'oss-cn-hangzhou')",        default=None,    )    ALIYUN_OSS_AUTH_VERSION: Optional[str] = Field(        description="Version of the authentication protocol to use with Aliyun OSS (e.g., 'v4')",        default=None,    )    ALIYUN_OSS_PATH: Optional[str] = Field(        description="Base path within the bucket to store objects (e.g., 'my-app-data/')",        default=None,    )
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