| 12345678910111213141516171819202122232425262728293031323334353637383940 | from datetime import datetime, timezonefrom celery import statesfrom extensions.ext_database import dbclass CeleryTask(db.Model):    """Task result/status."""    __tablename__ = 'celery_taskmeta'    id = db.Column(db.Integer, db.Sequence('task_id_sequence'),                   primary_key=True, autoincrement=True)    task_id = db.Column(db.String(155), unique=True)    status = db.Column(db.String(50), default=states.PENDING)    result = db.Column(db.PickleType, nullable=True)    date_done = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc).replace(tzinfo=None),                          onupdate=lambda: datetime.now(timezone.utc).replace(tzinfo=None), nullable=True)    traceback = db.Column(db.Text, nullable=True)    name = db.Column(db.String(155), nullable=True)    args = db.Column(db.LargeBinary, nullable=True)    kwargs = db.Column(db.LargeBinary, nullable=True)    worker = db.Column(db.String(155), nullable=True)    retries = db.Column(db.Integer, nullable=True)    queue = db.Column(db.String(155), nullable=True)class CeleryTaskSet(db.Model):    """TaskSet result."""    __tablename__ = 'celery_tasksetmeta'    id = db.Column(db.Integer, db.Sequence('taskset_id_sequence'),                   autoincrement=True, primary_key=True)    taskset_id = db.Column(db.String(155), unique=True)    result = db.Column(db.PickleType, nullable=True)    date_done = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc).replace(tzinfo=None),                          nullable=True)
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