364 lines
15 KiB
Python
364 lines
15 KiB
Python
from uuid import uuid4
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from flask import g
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from sqlalchemy import BigInteger, Boolean, CheckConstraint, Column, DateTime, Enum as DBEnum, \
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Float, ForeignKey, Interval, JSON, SmallInteger, Unicode, event
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.ext.declarative import declared_attr
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from sqlalchemy.ext.orderinglist import ordering_list
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from sqlalchemy.orm import backref, relationship
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from sqlalchemy.util import OrderedSet
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.device.models import Component, DataStorage, Device
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from ereuse_devicehub.resources.enums import AppearanceRange, BOX_RATE_3, BOX_RATE_5, Bios, \
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FunctionalityRange, RATE_NEGATIVE, RATE_POSITIVE, RatingRange, RatingSoftware, \
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SnapshotExpectedEvents, SnapshotSoftware, TestHardDriveLength
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from ereuse_devicehub.resources.image.models import Image
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from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE, STR_SM_SIZE, Thing
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from ereuse_devicehub.resources.user.models import User
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from teal.db import ArrayOfEnum, CASCADE, CASCADE_OWN, INHERIT_COND, POLYMORPHIC_ID, \
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POLYMORPHIC_ON, StrictVersionType, check_range
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class JoinedTableMixin:
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# noinspection PyMethodParameters
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@declared_attr
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def id(cls):
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return Column(UUID(as_uuid=True), ForeignKey(Event.id), primary_key=True)
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class Event(Thing):
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
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title = Column(Unicode(STR_BIG_SIZE), default='', nullable=False)
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type = Column(Unicode)
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incidence = Column(Boolean, default=False, nullable=False)
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closed = Column(Boolean, default=True, nullable=False)
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"""
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Whether the author has finished the event.
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After this is set to True, no modifications are allowed.
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"""
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error = Column(Boolean, default=False, nullable=False)
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description = Column(Unicode, default='', nullable=False)
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date = Column(DateTime)
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snapshot_id = Column(UUID(as_uuid=True), ForeignKey('snapshot.id',
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use_alter=True,
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name='snapshot_events'))
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snapshot = relationship('Snapshot',
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backref=backref('events',
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lazy=True,
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cascade=CASCADE_OWN,
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collection_class=set),
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primaryjoin='Event.snapshot_id == Snapshot.id')
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author_id = Column(UUID(as_uuid=True),
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ForeignKey(User.id),
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nullable=False,
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default=lambda: g.user.id)
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author = relationship(User,
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backref=backref('events', lazy=True, collection_class=set),
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primaryjoin=author_id == User.id)
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components = relationship(Component,
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backref=backref('events_components',
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lazy=True,
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order_by=lambda: Event.created,
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collection_class=OrderedSet),
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secondary=lambda: EventComponent.__table__,
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order_by=lambda: Component.id,
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collection_class=OrderedSet)
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"""
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The components that are affected by the event.
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When performing events to parent devices their components are
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affected too.
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For example: an ``Allocate`` is performed to a Computer and this
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relationship is filled with the components the computer had
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at the time of the event.
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"""
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# noinspection PyMethodParameters
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@declared_attr
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def __mapper_args__(cls):
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"""
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Defines inheritance.
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From `the guide <http://docs.sqlalchemy.org/en/latest/orm/
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extensions/declarative/api.html
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#sqlalchemy.ext.declarative.declared_attr>`_
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"""
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args = {POLYMORPHIC_ID: cls.t}
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if cls.t == 'Event':
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args[POLYMORPHIC_ON] = cls.type
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if JoinedTableMixin in cls.mro():
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args[INHERIT_COND] = cls.id == Event.id
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return args
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class EventComponent(db.Model):
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device_id = Column(BigInteger, ForeignKey(Component.id), primary_key=True)
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event_id = Column(UUID(as_uuid=True), ForeignKey(Event.id), primary_key=True)
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class EventWithOneDevice(Event):
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device_id = Column(BigInteger, ForeignKey(Device.id), nullable=False)
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device = relationship(Device,
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backref=backref('events_one',
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lazy=True,
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cascade=CASCADE,
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order_by=lambda: EventWithOneDevice.created,
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collection_class=OrderedSet),
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primaryjoin=Device.id == device_id)
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def __repr__(self) -> str:
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return '<{0.t} {0.id!r} device={0.device_id}>'.format(self)
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class EventWithMultipleDevices(Event):
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devices = relationship(Device,
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backref=backref('events_multiple',
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lazy=True,
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order_by=lambda: EventWithMultipleDevices.created,
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collection_class=OrderedSet),
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secondary=lambda: EventDevice.__table__,
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order_by=lambda: Device.id)
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def __repr__(self) -> str:
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return '<{0.t} {0.id!r} devices={0.devices!r}>'.format(self)
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class EventDevice(db.Model):
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device_id = Column(BigInteger, ForeignKey(Device.id), primary_key=True)
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event_id = Column(UUID(as_uuid=True), ForeignKey(EventWithMultipleDevices.id),
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primary_key=True)
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class Add(EventWithOneDevice):
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pass
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class Remove(EventWithOneDevice):
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pass
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class Allocate(JoinedTableMixin, EventWithMultipleDevices):
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to_id = Column(UUID, ForeignKey(User.id))
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to = relationship(User, primaryjoin=User.id == to_id)
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organization = Column(Unicode(STR_SIZE))
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class Deallocate(JoinedTableMixin, EventWithMultipleDevices):
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from_id = Column(UUID, ForeignKey(User.id))
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from_rel = relationship(User, primaryjoin=User.id == from_id)
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organization = Column(Unicode(STR_SIZE))
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class EraseBasic(JoinedTableMixin, EventWithOneDevice):
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start_time = Column(DateTime, nullable=False)
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end_time = Column(DateTime, CheckConstraint('end_time > start_time'), nullable=False)
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secure_random_steps = Column(SmallInteger,
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check_range('secure_random_steps', min=0),
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nullable=False)
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clean_with_zeros = Column(Boolean, nullable=False)
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class EraseSectors(EraseBasic):
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pass
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class Step(db.Model):
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erasure_id = Column(UUID(as_uuid=True), ForeignKey(EraseBasic.id), primary_key=True)
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type = Column(Unicode(STR_SM_SIZE), nullable=False)
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num = Column(SmallInteger, primary_key=True)
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error = Column(Boolean, default=False, nullable=False)
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start_time = Column(DateTime, nullable=False)
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end_time = Column(DateTime, CheckConstraint('end_time > start_time'), nullable=False)
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secure_random_steps = Column(SmallInteger,
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check_range('secure_random_steps', min=0),
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nullable=False)
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clean_with_zeros = Column(Boolean, nullable=False)
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erasure = relationship(EraseBasic,
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backref=backref('steps',
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cascade=CASCADE_OWN,
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order_by=num,
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collection_class=ordering_list('num')))
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# noinspection PyMethodParameters
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@declared_attr
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def __mapper_args__(cls):
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"""
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Defines inheritance.
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From `the guide <http://docs.sqlalchemy.org/en/latest/orm/
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extensions/declarative/api.html
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#sqlalchemy.ext.declarative.declared_attr>`_
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"""
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args = {POLYMORPHIC_ID: cls.t}
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if cls.t == 'Step':
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args[POLYMORPHIC_ON] = cls.type
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return args
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class StepZero(Step):
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pass
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class StepRandom(Step):
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pass
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class Snapshot(JoinedTableMixin, EventWithOneDevice):
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uuid = Column(UUID(as_uuid=True), nullable=False, unique=True)
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version = Column(StrictVersionType(STR_SM_SIZE), nullable=False)
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software = Column(DBEnum(SnapshotSoftware), nullable=False)
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elapsed = Column(Interval, nullable=False)
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expected_events = Column(ArrayOfEnum(DBEnum(SnapshotExpectedEvents)))
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class Install(JoinedTableMixin, EventWithOneDevice):
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name = Column(Unicode(STR_BIG_SIZE), nullable=False)
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elapsed = Column(Interval, nullable=False)
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class SnapshotRequest(db.Model):
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id = Column(UUID(as_uuid=True), ForeignKey(Snapshot.id), primary_key=True)
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request = Column(JSON, nullable=False)
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snapshot = relationship(Snapshot,
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backref=backref('request',
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lazy=True,
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uselist=False,
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cascade=CASCADE_OWN))
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class Rate(JoinedTableMixin, EventWithOneDevice):
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rating = Column(Float(decimal_return_scale=2), check_range('rating', *RATE_POSITIVE))
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algorithm_software = Column(DBEnum(RatingSoftware), nullable=False)
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algorithm_version = Column(StrictVersionType, nullable=False)
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appearance = Column(Float(decimal_return_scale=2), check_range('appearance', *RATE_NEGATIVE))
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functionality = Column(Float(decimal_return_scale=2),
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check_range('functionality', *RATE_NEGATIVE))
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@property
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def rating_range(self) -> RatingRange:
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return RatingRange.from_score(self.rating)
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class IndividualRate(Rate):
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pass
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class AggregateRate(Rate):
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id = Column(UUID(as_uuid=True), ForeignKey(Rate.id), primary_key=True)
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ratings = relationship(IndividualRate,
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backref=backref('aggregated_ratings',
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lazy=True,
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order_by=lambda: IndividualRate.created,
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collection_class=OrderedSet),
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secondary=lambda: RateAggregateRate.__table__,
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order_by=lambda: IndividualRate.created,
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collection_class=OrderedSet)
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"""The ratings this aggregateRate aggregates."""
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class RateAggregateRate(db.Model):
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"""
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Represents the ``many to many`` relationship between
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``Rate`` and ``AggregateRate``.
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"""
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rate_id = Column(UUID(as_uuid=True), ForeignKey(Rate.id), primary_key=True)
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aggregate_rate_id = Column(UUID(as_uuid=True),
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ForeignKey(AggregateRate.id),
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primary_key=True)
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class WorkbenchRate(IndividualRate):
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id = Column(UUID(as_uuid=True), ForeignKey(Rate.id), primary_key=True)
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processor = Column(Float(decimal_return_scale=2), check_range('processor', *RATE_POSITIVE))
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ram = Column(Float(decimal_return_scale=2), check_range('ram', *RATE_POSITIVE))
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data_storage = Column(Float(decimal_return_scale=2),
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check_range('data_storage', *RATE_POSITIVE))
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graphic_card = Column(Float(decimal_return_scale=2),
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check_range('graphic_card', *RATE_POSITIVE))
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labelling = Column(Boolean)
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bios = Column(DBEnum(Bios))
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appearance_range = Column(DBEnum(AppearanceRange))
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functionality_range = Column(DBEnum(FunctionalityRange))
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class PhotoboxRate(IndividualRate):
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id = Column(UUID(as_uuid=True), ForeignKey(Rate.id), primary_key=True)
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image_id = Column(UUID(as_uuid=True), ForeignKey(Image.id), nullable=False)
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image = relationship(Image,
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uselist=False,
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cascade=CASCADE_OWN,
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single_parent=True,
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primaryjoin=Image.id == image_id)
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# todo how to ensure phtoboxrate.device == image.image_list.device?
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class PhotoboxUserRate(PhotoboxRate):
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id = Column(UUID(as_uuid=True), ForeignKey(PhotoboxRate.id), primary_key=True)
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assembling = Column(SmallInteger, check_range('assembling', *BOX_RATE_5), nullable=False)
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parts = Column(SmallInteger, check_range('parts', *BOX_RATE_5), nullable=False)
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buttons = Column(SmallInteger, check_range('buttons', *BOX_RATE_5), nullable=False)
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dents = Column(SmallInteger, check_range('dents', *BOX_RATE_5), nullable=False)
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decolorization = Column(SmallInteger,
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check_range('decolorization', *BOX_RATE_5),
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nullable=False)
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scratches = Column(SmallInteger, check_range('scratches', *BOX_RATE_5), nullable=False)
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tag_alignment = Column(SmallInteger,
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check_range('tag_alignment', *BOX_RATE_3),
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nullable=False)
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tag_adhesive = Column(SmallInteger, check_range('tag_adhesive', *BOX_RATE_3), nullable=False)
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dirt = Column(SmallInteger, check_range('dirt', *BOX_RATE_3), nullable=False)
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class PhotoboxSystemRate(PhotoboxRate):
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id = Column(UUID(as_uuid=True), ForeignKey(PhotoboxRate.id), primary_key=True)
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class Test(JoinedTableMixin, EventWithOneDevice):
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elapsed = Column(Interval, nullable=False)
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class TestDataStorage(Test):
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id = Column(UUID(as_uuid=True), ForeignKey(Test.id), primary_key=True)
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length = Column(DBEnum(TestHardDriveLength), nullable=False) # todo from type
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status = Column(Unicode(STR_SIZE), nullable=False)
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lifetime = Column(Interval, nullable=False)
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first_error = Column(SmallInteger, nullable=False, default=0)
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passed_lifetime = Column(Interval)
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assessment = Column(Boolean)
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reallocated_sector_count = Column(SmallInteger)
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power_cycle_count = Column(SmallInteger)
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reported_uncorrectable_errors = Column(SmallInteger)
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command_timeout = Column(SmallInteger)
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current_pending_sector_count = Column(SmallInteger)
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offline_uncorrectable = Column(SmallInteger)
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remaining_lifetime_percentage = Column(SmallInteger)
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# todo remove lifetime / passed_lifetime as I think they are the same
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class StressTest(Test):
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pass
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# Listeners
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@event.listens_for(TestDataStorage.device, 'set', retval=True, propagate=True)
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@event.listens_for(Install.device, 'set', retval=True, propagate=True)
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@event.listens_for(EraseBasic.device, 'set', retval=True, propagate=True)
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def validate_device_is_data_storage(target, value, old_value, initiator):
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if not isinstance(value, DataStorage):
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raise TypeError('{} must be a DataStorage but you passed {}'.format(initiator.impl, value))
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return value
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# todo finish adding events
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# @event.listens_for(Install.snapshot, 'before_insert', propagate=True)
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# def validate_required_snapshot(mapper, connection, target: Event):
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# if not target.snapshot:
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# raise ValidationError('{0!r} must be linked to a Snapshot.'.format(target))
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