| 1234567891011121314151617181920212223242526272829303132333435 | from typing import Optionalfrom pydantic import Field, PositiveIntfrom pydantic_settings import BaseSettingsclass OracleConfig(BaseSettings):    """    Configuration settings for Oracle database    """    ORACLE_HOST: Optional[str] = Field(        description="Hostname or IP address of the Oracle database server (e.g., 'localhost' or 'oracle.example.com')",        default=None,    )    ORACLE_PORT: PositiveInt = Field(        description="Port number on which the Oracle database server is listening (default is 1521)",        default=1521,    )    ORACLE_USER: Optional[str] = Field(        description="Username for authenticating with the Oracle database",        default=None,    )    ORACLE_PASSWORD: Optional[str] = Field(        description="Password for authenticating with the Oracle database",        default=None,    )    ORACLE_DATABASE: Optional[str] = Field(        description="Name of the Oracle database or service to connect to (e.g., 'ORCL' or 'pdborcl')",        default=None,    )
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