| 1234567891011121314151617181920212223242526272829303132333435 | from typing import Optionalfrom pydantic import Field, PositiveIntfrom pydantic_settings import BaseSettingsclass OracleConfig(BaseSettings):    """    ORACLE configs    """    ORACLE_HOST: Optional[str] = Field(        description='ORACLE host',        default=None,    )    ORACLE_PORT: Optional[PositiveInt] = Field(        description='ORACLE port',        default=1521,    )    ORACLE_USER: Optional[str] = Field(        description='ORACLE user',        default=None,    )    ORACLE_PASSWORD: Optional[str] = Field(        description='ORACLE password',        default=None,    )    ORACLE_DATABASE: Optional[str] = Field(        description='ORACLE database',        default=None,    )
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