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devicehub-teal/ereuse_devicehub/resources/enums.py

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from contextlib import suppress
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from distutils.version import StrictVersion
from enum import Enum, IntEnum, unique
from typing import Set, Union
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import inflection
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@unique
class SnapshotSoftware(Enum):
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"""The software used to perform the Snapshot."""
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Workbench = 'Workbench'
AndroidApp = 'AndroidApp'
Web = 'Web'
DesktopApp = 'DesktopApp'
def __str__(self):
return self.name
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@unique
class RatingSoftware(Enum):
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"""The software used to compute the Score."""
ECost = 'ECost'
"""
The eReuse.org rate algorithm that focuses maximizing refurbishment
of devices in general, specially penalizing very low and very high
devices in order to stimulate medium-range devices.
This model is cost-oriented.
"""
EMarket = 'EMarket'
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def __str__(self):
return self.name
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RATE_POSITIVE = 0, 10
RATE_NEGATIVE = -3, 5
@unique
class RatingRange(IntEnum):
"""
The human translation to score range.
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You can compare them: ScoreRange.VERY_LOW < ScoreRange.LOW.
There are four levels:
1. Very low.
2. Low.
3. Medium.
4. High.
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"""
VERY_LOW = 2
LOW = 3
MEDIUM = 4
HIGH = 5
@classmethod
def from_score(cls, val: Union[int, float]) -> 'RatingRange':
assert 0 <= val <= 10, 'Value is not a valid score.'
if val <= cls.VERY_LOW:
return cls.VERY_LOW
elif val <= cls.LOW:
return cls.LOW
elif val <= cls.MEDIUM:
return cls.MEDIUM
else:
return cls.HIGH
def __str__(self):
return inflection.humanize(self.name)
def __format__(self, format_spec):
return str(self)
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@unique
class PriceSoftware(Enum):
Ereuse = 'Ereuse'
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@unique
class AggregateRatingVersions(Enum):
v1 = StrictVersion('1.0')
"""
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This version is set to aggregate :class:`ereuse_devicehub.resources.
event.models.WorkbenchRate` version X and :class:`ereuse_devicehub.
resources.event.models.PhotoboxRate` version Y.
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"""
@unique
class AppearanceRange(Enum):
"""
This grade will be defined based on the aesthetics/cosmetic aspects, like visual damage or blemishes principally
focused on chassis, physical buttons and screens.
"""
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Z = 'Z. The device is new'
A = 'A. Is like new; without visual damage'
B = 'B. Is in really good condition; small visual damage in difficult places to spot'
C = 'C. Is in good condition; small visual damage in parts that are easy to spot, minor cosmetic blemishes on chassis)'
D = 'D. Is acceptable; visual damage in visible parts, major cosmetic blemishes on chassis, missing cosmetic parts'
E = 'E. Is unacceptable; severity visual damage, missing essential parts'
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NONE = 'NA. Grade doesnt exists'
def __str__(self):
return self.name
APPEARANCE_RANGE = 0.5, -0.3
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@unique
class FunctionalityRange(Enum):
"""Based on usage condition of a device and its functionality aspects, like screen defect or camera defects"""
A = 'A. All the buttons works perfectly, no screen/camera defects and chassis without usage issues'
B = 'B. There is a button difficult to press or unstable it, a screen/camera defect or chassis problem'
C = 'C. Chassis defects or multiple buttons don\'t work; broken or unusable it, some screen/camera defect'
D = 'D. Chassis severity usage problems. All buttons, screen or camera don\'t work; broken or unusable it'
NONE = 'NA. Grade doesnt exists'
def __str__(self):
return self.name
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FUNCTIONALITY_RANGE = -0.25, 0.5
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@unique
class BatteryHealthRange(Enum):
"""Grade the battery health status, depending on self report Android system"""
A = 'A. The battery health is very good'
B = 'B. Battery health is good'
C = 'C. Battery health is overheat / over voltage status but can stand the minimum duration'
D = 'D. Battery health is bad; cant stand the minimum duration time'
E = 'E. Battery health is very bad; and status is dead; unusable or miss it '
NONE = 'NA. Grade doesnt exists'
def __str__(self):
return self.name
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@unique
class Bios(Enum):
"""How difficult it has been to set the bios to boot from the network."""
A = 'A. If by pressing a key you could access a boot menu with the network boot'
B = 'B. You had to get into the BIOS, and in less than 5 steps you could set the network boot'
C = 'C. Like B, but with more than 5 steps'
D = 'D. Like B or C, but you had to unlock the BIOS (i.e. by removing the battery)'
E = 'E. The device could not be booted through the network.'
def __str__(self):
return self.name
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# TODO add all grade tables (chassis defects, camera defects, buttons test, connectivity, ..)
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@unique
class Orientation(Enum):
Vertical = 'vertical'
Horizontal = 'Horizontal'
@unique
class TestDataStorageLength(Enum):
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Short = 'Short'
Extended = 'Extended'
@unique
class ImageSoftware(Enum):
Photobox = 'Photobox'
@unique
class ImageMimeTypes(Enum):
"""Supported image Mimetypes for Devicehub."""
jpg = 'image/jpeg'
png = 'image/png'
@unique
class SnapshotExpectedEvents(Enum):
"""Events that Workbench can perform when processing a device."""
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Benchmark = 'Benchmark'
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TestDataStorage = 'TestDataStorage'
StressTest = 'StressTest'
EraseBasic = 'EraseBasic'
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EraseSectors = 'EraseSectors'
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SmartTest = 'SmartTest'
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Install = 'Install'
BOX_RATE_5 = 1, 5
BOX_RATE_3 = 1, 3
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# After looking at own databases
@unique
class RamInterface(Enum):
"""
The interface or type of RAM.
The more common type of RAM nowadays for RamModules is SDRAM.
Note that we have not added all sub-types (please contact if
you want them). See more here
https://en.wikipedia.org/wiki/Category:SDRAM.
Although SDRAM is the generic naming for any DDR we include it
here for those cases where there is no more specific information.
Please, try to always use DDRø-6 denominations.
"""
SDRAM = 'SDRAM'
DDR = 'DDR SDRAM'
DDR2 = 'DDR2 SDRAM'
DDR3 = 'DDR3 SDRAM'
DDR4 = 'DDR4 SDRAM'
DDR5 = 'DDR5 SDRAM'
DDR6 = 'DDR6 SDRAM'
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def __str__(self):
return self.value
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@unique
class RamFormat(Enum):
DIMM = 'DIMM'
SODIMM = 'SODIMM'
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def __str__(self):
return self.value
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@unique
class DataStorageInterface(Enum):
ATA = 'ATA'
USB = 'USB'
PCI = 'PCI'
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def __str__(self):
return self.value
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@unique
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class DisplayTech(Enum):
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CRT = 'Cathode ray tube (CRT)'
TFT = 'Thin-film-transistor liquid-crystal (TFT)'
LED = 'LED-backlit (LED)'
PDP = 'Plasma display panel (Plasma)'
LCD = 'Liquid-crystal display (any of TFT, LED, Blue Phase, IPS)'
OLED = 'Organic light-emitting diode (OLED)'
AMOLED = 'Organic light-emitting diode (AMOLED)'
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def __str__(self):
return self.name
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@unique
class ComputerChassis(Enum):
"""The chassis of a computer."""
Tower = 'Tower'
Docking = 'Docking'
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AllInOne = 'All in one'
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Microtower = 'Microtower'
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PizzaBox = 'Pizza box'
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Lunchbox = 'Lunchbox'
Stick = 'Stick'
Netbook = 'Netbook'
Handheld = 'Handheld'
Laptop = 'Laptop'
Convertible = 'Convertible'
Detachable = 'Detachable'
Tablet = 'Tablet'
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Virtual = 'Non-physical device'
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def __str__(self):
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return inflection.humanize(inflection.underscore(self.value))
class ReceiverRole(Enum):
"""
The role that the receiver takes in the reception;
the meaning of the reception.
"""
Intermediary = 'Generic user in the workflow of the device.'
FinalUser = 'The user that will use the device.'
CollectionPoint = 'A collection point.'
RecyclingPoint = 'A recycling point.'
Transporter = 'An user that ships the devices to another one.'
class PrinterTechnology(Enum):
"""Technology of the printer."""
Toner = 'Toner / Laser'
Inkjet = 'Liquid inkjet'
SolidInk = 'Solid ink'
Dye = 'Dye-sublimation'
Thermal = 'Thermal'
class Severity(IntEnum):
"""A flag evaluating the event execution. Ex. failed events
have the value `Severity.Error`. Devicehub uses 4 severity levels:
* Info: default neutral severity. The event succeeded.
* Notice: The event succeeded but it is raising awareness.
Notices are not usually that important but something
(good or bad) worth checking.
* Warning: The event succeeded but there is something important
to check negatively affecting the event.
* Error: the event failed.
Devicehub specially raises user awareness when an event
has a Severity of ``Warning`` or greater.
"""
Info = 0
Notice = 1
Warning = 2
Error = 3
def __str__(self):
if self == self.Info:
m = ''
elif self == self.Notice:
m = ''
elif self == self.Warning:
m = ''
else:
m = ''
return m
def __format__(self, format_spec):
return str(self)
class PhysicalErasureMethod(Enum):
"""Methods of physically erasing the data-storage, usually
destroying the whole component.
Certified data-storage destruction mean, as of `UNE-EN 15713
<https://www.une.org/encuentra-tu-norma/busca-tu-norma/norma?c=N0044792>`_,
reducing the material to a size making it undecipherable, illegible,
and non able to be re-built.
"""
Shred = 'Reduction of the data-storage to the required certified ' \
'standard sizes.'
Disintegration = 'Reduction of the data-storage to smaller sizes ' \
'than the certified standard ones.'
def __str__(self):
return self.name
class ErasureStandards(Enum):
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"""Software erasure standards."""
HMG_IS5 = 'British HMG Infosec Standard 5 (HMG IS5)'
"""`British HMG Infosec Standard 5 (HMG IS5)
<https://en.wikipedia.org/wiki/Infosec_Standard_5>`_.
In order to follow this standard, an erasure must have the
following steps:
1. A first step writing zeroes to the data-storage units.
2. A second step erasing with random data, verifying the erasure
success in each hard-drive sector.
And be an :class:`ereuse_devicehub.resources.event.models.EraseSectors`.
"""
def __str__(self):
return self.value
@classmethod
def from_data_storage(cls, erasure) -> Set['ErasureStandards']:
"""Returns a set of erasure standards."""
from ereuse_devicehub.resources.event import models as events
standards = set()
if isinstance(erasure, events.EraseSectors):
with suppress(ValueError):
first_step, *other_steps = erasure.steps
if isinstance(first_step, events.StepZero) \
and all(isinstance(step, events.StepRandom) for step in other_steps):
standards.add(cls.HMG_IS5)
return standards