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devicehub-teal/ereuse_devicehub/resources/device/schemas.py

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from marshmallow import post_load, pre_load
from marshmallow.fields import Float, Integer, Str
from marshmallow.validate import Length, OneOf, Range
from sqlalchemy.util import OrderedSet
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from ereuse_devicehub.marshmallow import NestedOn
from ereuse_devicehub.resources.device import models as m
from ereuse_devicehub.resources.enums import ComputerMonitorTechnologies, RamFormat, RamInterface
from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE
from ereuse_devicehub.resources.schemas import Thing, UnitCodes
from teal.marshmallow import EnumField, ValidationError
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class Device(Thing):
id = Integer(description=m.Device.id.comment.strip(), dump_only=True)
hid = Str(dump_only=True, description=m.Device.hid.comment.strip())
tags = NestedOn('Tag',
many=True,
collection_class=OrderedSet,
description='The set of tags that identify the device.')
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model = Str(validate=Length(max=STR_BIG_SIZE))
manufacturer = Str(validate=Length(max=STR_SIZE))
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serial_number = Str(data_key='serialNumber')
weight = Float(validate=Range(0.1, 3),
unit=UnitCodes.kgm,
description=m.Device.weight.comment.strip())
width = Float(validate=Range(0.1, 3),
unit=UnitCodes.m,
description=m.Device.width.comment.strip())
height = Float(validate=Range(0.1, 3),
unit=UnitCodes.m,
description=m.Device.height.comment.strip())
events = NestedOn('Event', many=True, dump_only=True, description=m.Device.events.__doc__)
events_one = NestedOn('Event', many=True, load_only=True, collection_class=OrderedSet)
@pre_load
def from_events_to_events_one(self, data: dict):
"""
Not an elegant way of allowing submitting events to a device
(in the context of Snapshots) without creating an ``events``
field at the model (which is not possible).
:param data:
:return:
"""
# Note that it is secure to allow uploading events_one
# as the only time an user can send a device object is
# in snapshots.
data['events_one'] = data.pop('events', [])
return data
@post_load
def validate_snapshot_events(self, data):
"""Validates that only snapshot-related events can be uploaded."""
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from ereuse_devicehub.resources.event.models import EraseBasic, Test, Rate, Install, \
Benchmark
for event in data['events_one']:
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if not isinstance(event, (Install, EraseBasic, Rate, Test, Benchmark)):
raise ValidationError('You cannot upload {}'.format(event), field_names=['events'])
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class Computer(Device):
components = NestedOn('Component', many=True, dump_only=True, collection_class=OrderedSet)
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class Desktop(Computer):
pass
class Laptop(Computer):
pass
class Netbook(Computer):
pass
class Server(Computer):
pass
class Microtower(Computer):
pass
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class ComputerMonitor(Device):
size = Float(description=m.ComputerMonitor.size.comment.strip(), validate=Range(2, 150))
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technology = EnumField(ComputerMonitorTechnologies,
description=m.ComputerMonitor.technology.comment.strip())
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resolution_width = Integer(data_key='resolutionWidth',
validate=Range(10, 20000),
description=m.ComputerMonitor.resolution_width.comment.strip())
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resolution_height = Integer(data_key='resolutionHeight',
validate=Range(10, 20000),
description=m.ComputerMonitor.resolution_height.comment.strip())
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class Component(Device):
parent = NestedOn(Device, dump_only=True)
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class GraphicCard(Component):
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memory = Integer(validate=Range(0, 10000),
unit=UnitCodes.mbyte,
description='The amount of memory of the Graphic Card in MB.')
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class DataStorage(Component):
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size = Integer(validate=Range(0, 10 ** 8),
unit=UnitCodes.mbyte,
description='The size of the hard-drive in MB.')
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class HardDrive(DataStorage):
pass
class SolidStateDrive(DataStorage):
pass
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class Motherboard(Component):
slots = Integer(validate=Range(1, 20), description='PCI slots the motherboard has.')
usb = Integer(validate=Range(0, 20))
firewire = Integer(validate=Range(0, 20))
serial = Integer(validate=Range(0, 20))
pcmcia = Integer(validate=Range(0, 20))
class NetworkAdapter(Component):
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speed = Integer(validate=Range(min=10, max=10000),
unit=UnitCodes.mbps,
description='The maximum speed this network adapter can handle, in mbps.')
class Processor(Component):
speed = Float(validate=Range(min=0.1, max=15), unit=UnitCodes.ghz)
cores = Integer(validate=Range(min=1, max=10)) # todo from numberOfCores
address = Integer(validate=OneOf({8, 16, 32, 64, 128, 256}))
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class RamModule(Component):
size = Integer(validate=Range(min=128, max=17000), unit=UnitCodes.mbyte)
speed = Float(validate=Range(min=100, max=10000), unit=UnitCodes.mhz)
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interface = EnumField(RamInterface)
format = EnumField(RamFormat)