from typing import Optional from pydantic import BaseModel # Shared properties class RoleBase(BaseModel): name: Optional[str] description: Optional[str] class Config: arbitrary_types_allowed = True # Properties to receive via API on creation class RoleCreate(RoleBase): pass # Properties to receive via API on update class RoleUpdate(RoleBase): pass class RoleInDBBase(RoleBase): id: int class Config: orm_mode = True # Additional properties to return via API class Role(RoleInDBBase): pass class RoleInDB(RoleInDBBase): pass