from pydantic import BaseModel, EmailStr

class User(BaseModel):
    username: str
    email: EmailStr
    is_host: bool

# 올바른 데이터
user = User(
    username="hannal",
    email="hannal@puddingcamp.com",
    is_host=True,
)
print(user)

# 잘못된 데이터: is_host가 문자열, email이 형식에 맞지 않음
try:
    user = User(
        username="hannal",
        email="invalid-email",
        is_host="넵",
    )
except Exception as e:
    print(e)
    # validation error 1개 이상 발생
    # is_host: value is not a valid bool
    # email: value is not a valid email address