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devicehub-teal/ereuse_devicehub/resources/models.py

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from datetime import datetime, timezone
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from ereuse_devicehub.db import db
STR_SIZE = 64
STR_BIG_SIZE = 128
STR_SM_SIZE = 32
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STR_XSM_SIZE = 16
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class Thing(db.Model):
"""The base class of all Devicehub resources.
This is a loose copy of
`schema.org's Thing class <https://schema.org/Thing>`_
using only needed fields.
"""
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__abstract__ = True
updated = db.Column(db.TIMESTAMP(timezone=True),
nullable=False,
index=True,
server_default=db.text('CURRENT_TIMESTAMP'))
updated.comment = """The last time Devicehub recorded a change for
this thing.
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"""
created = db.Column(db.TIMESTAMP(timezone=True),
nullable=False,
index=True,
server_default=db.text('CURRENT_TIMESTAMP'))
created.comment = """When Devicehub created this."""
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def __init__(self, **kwargs) -> None:
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# We need to set 'created' before sqlalchemy inits the class
# to be able to use sorted containers
self.created = kwargs.get('created', datetime.now(timezone.utc))
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super().__init__(**kwargs)