from pydantic import BaseModel, Field, field_validator class ExcelInfo(BaseModel): arti:str = Field(..., min_length=6, max_length=12, description="arti of the clothes") counts:int = Field(..., ge=0, description="the quantity of the clothes") price:int = Field(..., ge=0, description="the price of the clothes") class ExcelRealization(BaseModel): pass class ExcelReturning(BaseModel): pass class ExcelOut(BaseModel): pass