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