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Python

"""用户表(预留多用户;MVP 用 APP_TOKEN 时为空)。"""
from __future__ import annotations
import uuid
from datetime import datetime
from sqlalchemy import DateTime, String, Uuid, func
from sqlalchemy.orm import Mapped, mapped_column
from db import Base
class User(Base):
__tablename__ = "users"
id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), primary_key=True, default=uuid.uuid4)
username: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())