from contextlib import suppress from distutils.version import StrictVersion from enum import Enum, IntEnum, unique from typing import Set, Union import inflection @unique class SnapshotSoftware(Enum): """The software used to perform the Snapshot.""" Workbench = 'Workbench' AndroidApp = 'AndroidApp' Web = 'Web' DesktopApp = 'DesktopApp' def __str__(self): return self.name @unique class RatingSoftware(Enum): """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' def __str__(self): return self.name RATE_POSITIVE = 0, 10 RATE_NEGATIVE = -3, 5 @unique class RatingRange(IntEnum): """ The human translation to score range. You can compare them: ScoreRange.VERY_LOW < ScoreRange.LOW. There are four levels: 1. Very low. 2. Low. 3. Medium. 4. High. """ 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) @unique class PriceSoftware(Enum): Ereuse = 'Ereuse' @unique class AggregateRatingVersions(Enum): v1 = StrictVersion('1.0') """ 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. """ @unique class AppearanceRange(Enum): """Grades the imperfections that aesthetically affect the device, but not its usage.""" Z = '0. 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, not screens)' D = 'D. Is acceptable (visual damage in visible parts, not screens)' E = 'E. Is unacceptable (considerable visual damage that can affect usage)' def __str__(self): return self.name @unique class FunctionalityRange(Enum): """Grades the defects of a device that affect its usage.""" # todo sync with https://github.com/ereuse/rdevicescore#input A = 'A. Everything works perfectly (buttons, and in case of screens there are no scratches)' B = 'B. There is a button difficult to press or a small scratch in an edge of a screen' C = 'C. A non-important button (or similar) doesn\'t work; screen has multiple scratches in edges' D = 'D. Multiple buttons don\'t work; screen has visual damage resulting in uncomfortable usage' def __str__(self): return self.name @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 @unique class Orientation(Enum): Vertical = 'vertical' Horizontal = 'Horizontal' @unique class TestDataStorageLength(Enum): 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.""" Benchmark = 'Benchmark' TestDataStorage = 'TestDataStorage' StressTest = 'StressTest' EraseBasic = 'EraseBasic' EraseSectors = 'EraseSectors' SmartTest = 'SmartTest' Install = 'Install' BOX_RATE_5 = 1, 5 BOX_RATE_3 = 1, 3 # 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' def __str__(self): return self.value @unique class RamFormat(Enum): DIMM = 'DIMM' SODIMM = 'SODIMM' def __str__(self): return self.value @unique class DataStorageInterface(Enum): ATA = 'ATA' USB = 'USB' PCI = 'PCI' def __str__(self): return self.value @unique class DisplayTech(Enum): 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)' def __str__(self): return self.name @unique class ComputerChassis(Enum): """The chassis of a computer.""" Tower = 'Tower' Docking = 'Docking' AllInOne = 'All in one' Microtower = 'Microtower' PizzaBox = 'Pizza box' Lunchbox = 'Lunchbox' Stick = 'Stick' Netbook = 'Netbook' Handheld = 'Handheld' Laptop = 'Laptop' Convertible = 'Convertible' Detachable = 'Detachable' Tablet = 'Tablet' Virtual = 'Non-physical device' def __str__(self): 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 = 'ℹ️' 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 `_, 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): """Software erasure standards.""" HMG_IS5 = 'British HMG Infosec Standard 5 (HMG IS5)' """`British HMG Infosec Standard 5 (HMG IS5) `_. 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