import logging import re from contextlib import suppress from datetime import datetime from fractions import Fraction from math import hypot from typing import Iterator, List, Optional, Type, TypeVar import dateutil.parser from ereuse_utils import getter, text from ereuse_utils.nested_lookup import ( get_nested_dicts_with_key_containing_value, get_nested_dicts_with_key_value, ) from ereuse_devicehub.parser import base2, unit, utils from ereuse_devicehub.parser.models import SnapshotErrors from ereuse_devicehub.parser.utils import Dumpeable from ereuse_devicehub.resources.enums import Severity logger = logging.getLogger(__name__) class Device(Dumpeable): """ Base class for a computer and each component, containing its physical characteristics (like serial number) and Devicehub actions. For Devicehub actions, this class has an interface to execute :meth:`.benchmarks`. """ def __init__(self, *sources) -> None: """Gets the device information.""" self.actions = set() self.type = self.__class__.__name__ super().__init__() def from_lshw(self, lshw_node: dict): self.manufacturer = getter.dict(lshw_node, 'vendor', default=None, type=str) self.model = getter.dict( lshw_node, 'product', remove={self.manufacturer} if self.manufacturer else set(), default=None, type=str, ) self.serial_number = getter.dict(lshw_node, 'serial', default=None, type=str) def __str__(self) -> str: return ' '.join(x for x in (self.model, self.serial_number) if x) C = TypeVar('C', bound='Component') class Component(Device): @classmethod def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]: raise NotImplementedError() class Processor(Component): @classmethod def new(cls, lshw: dict, **kwargs) -> Iterator[C]: nodes = get_nested_dicts_with_key_value(lshw, 'class', 'processor') # We want only the physical cpu's, not the logic ones # In some cases we may get empty cpu nodes, we can detect them because # all regular cpus have at least a description (Intel Core i5...) return ( cls(node) for node in nodes if 'logical' not in node['id'] and node.get('description', '').lower() != 'co-processor' and not node.get('disabled') and 'co-processor' not in node.get('model', '').lower() and 'co-processor' not in node.get('description', '').lower() and 'width' in node ) def __init__(self, node: dict) -> None: super().__init__(node) self.from_lshw(node) self.speed = unit.Quantity(node['size'], node['units']).to('gigahertz').m self.address = node['width'] try: self.cores = int(node['configuration']['cores']) self.threads = int(node['configuration']['threads']) except KeyError: self.threads = 1 self.cores = 1 self.serial_number = None # Processors don't have valid SN :-( self.brand, self.generation = self.processor_brand_generation(self.model) assert not hasattr(self, 'cores') or 1 <= self.cores <= 16 @staticmethod # noqa: C901 def processor_brand_generation(model: str): """Generates the ``brand`` and ``generation`` fields for the given model. This returns a tuple with: - The brand as a string or None. - The generation as an int or None. Intel desktop processor numbers: https://www.intel.com/content/www/us/en/processors/processor-numbers.html Intel server processor numbers: https://www.intel.com/content/www/us/en/processors/processor-numbers-data-center.html """ if 'Duo' in model: return 'Core2 Duo', None if 'Quad' in model: return 'Core2 Quad', None if 'Atom' in model: return 'Atom', None if 'Celeron' in model: return 'Celeron', None if 'Pentium' in model: return 'Pentium', None if 'Xeon Platinum' in model: generation = int(re.findall(r'\bPlatinum \d{4}\w', model)[0][10]) return 'Xeon Platinum', generation if 'Xeon Gold' in model: generation = int(re.findall(r'\bGold \d{4}\w', model)[0][6]) return 'Xeon Gold', generation if 'Xeon' in model: # Xeon E5... generation = 1 results = re.findall(r'\bV\d\b', model) # find V1, V2... if results: generation = int(results[0][1]) return 'Xeon', generation results = re.findall(r'\bi\d-\w+', model) # i3-XXX..., i5-XXX... if results: # i3, i5... return 'Core i{}'.format(results[0][1]), int(results[0][3]) results = re.findall(r'\bi\d CPU \w+', model) if results: # i3 CPU XXX return 'Core i{}'.format(results[0][1]), 1 results = re.findall(r'\bm\d-\w+', model) # m3-XXXX... if results: return 'Core m{}'.format(results[0][1]), None return None, None def __str__(self) -> str: return super().__str__() + ( ' ({} generation)'.format(self.generation) if self.generation else '' ) class RamModule(Component): @classmethod def new(cls, lshw, **kwargs) -> Iterator[C]: # We can get flash memory (BIOS?), system memory and unknown types of memory memories = get_nested_dicts_with_key_value(lshw, 'class', 'memory') TYPES = {'ddr', 'sdram', 'sodimm'} for memory in memories: physical_ram = any( t in memory.get('description', '').lower() for t in TYPES ) not_empty = 'size' in memory if physical_ram and not_empty: yield cls(memory) def __init__(self, node: dict) -> None: # Node with no size == empty ram slot super().__init__(node) self.from_lshw(node) description = node['description'].upper() self.format = 'SODIMM' if 'SODIMM' in description else 'DIMM' self.size = base2.Quantity(node['size'], node['units']).to('MiB').m # self.size = int(utils.convert_capacity(node['size'], node['units'], 'MB')) for w in description.split(): if w.startswith('DDR'): # We assume all DDR are SDRAM self.interface = w break elif w.startswith('SDRAM'): # Fallback. SDRAM is generic denomination for DDR types. self.interface = w if 'clock' in node: self.speed = unit.Quantity(node['clock'], 'Hz').to('MHz').m assert not hasattr(self, 'speed') or 100.0 <= self.speed <= 1000000000000.0 def __str__(self) -> str: return '{} {} {}'.format(super().__str__(), self.format, self.size) class GraphicCard(Component): @classmethod def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]: nodes = get_nested_dicts_with_key_value(lshw, 'class', 'display') return (cls(n) for n in nodes if n['configuration'].get('driver', None)) def __init__(self, node: dict) -> None: super().__init__(node) self.from_lshw(node) self.memory = self._memory(node['businfo'].split('@')[1]) @staticmethod def _memory(bus_info): """The size of the memory of the gpu.""" return None def __str__(self) -> str: return '{} with {}'.format(super().__str__(), self.memory) class Motherboard(Component): INTERFACES = 'usb', 'firewire', 'serial', 'pcmcia' @classmethod def new(cls, lshw, hwinfo, **kwargs) -> C: node = next(get_nested_dicts_with_key_value(lshw, 'description', 'Motherboard')) bios_node = next(get_nested_dicts_with_key_value(lshw, 'id', 'firmware')) # bios_node = '1' memory_array = next( getter.indents(hwinfo, 'Physical Memory Array', indent=' '), None ) return cls(node, bios_node, memory_array) def __init__( self, node: dict, bios_node: dict, memory_array: Optional[List[str]] ) -> None: super().__init__(node) self.from_lshw(node) self.usb = self.num_interfaces(node, 'usb') self.firewire = self.num_interfaces(node, 'firewire') self.serial = self.num_interfaces(node, 'serial') self.pcmcia = self.num_interfaces(node, 'pcmcia') self.slots = int(2) # run( # 'dmidecode -t 17 | ' 'grep -o BANK | ' 'wc -l', # check=True, # universal_newlines=True, # shell=True, # stdout=PIPE, # ).stdout self.bios_date = dateutil.parser.parse(bios_node['date']).isoformat() self.version = bios_node['version'] self.ram_slots = self.ram_max_size = None if memory_array: self.ram_slots = getter.kv(memory_array, 'Slots', default=None) self.ram_max_size = getter.kv(memory_array, 'Max. Size', default=None) if self.ram_max_size: self.ram_max_size = next(text.numbers(self.ram_max_size)) @staticmethod def num_interfaces(node: dict, interface: str) -> int: interfaces = get_nested_dicts_with_key_containing_value(node, 'id', interface) if interface == 'usb': interfaces = ( c for c in interfaces if 'usbhost' not in c['id'] and 'usb' not in c['businfo'] ) return len(tuple(interfaces)) def __str__(self) -> str: return super().__str__() class NetworkAdapter(Component): @classmethod def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]: nodes = get_nested_dicts_with_key_value(lshw, 'class', 'network') return (cls(node) for node in nodes) def __init__(self, node: dict) -> None: super().__init__(node) self.from_lshw(node) self.speed = None if 'capacity' in node: self.speed = unit.Quantity(node['capacity'], 'bit/s').to('Mbit/s').m if 'logicalname' in node: # todo this was taken from 'self'? # If we don't have logicalname it means we don't have the # (proprietary) drivers fot that NetworkAdaptor # which means we can't access at the MAC address # (note that S/N == MAC) "sudo /sbin/lspci -vv" could bring # the MAC even if no drivers are installed however more work # has to be done in ensuring it is reliable, really needed, # and to parse it # https://www.redhat.com/archives/redhat-list/2010-October/msg00066.html # workbench-live includes proprietary firmwares self.serial_number = self.serial_number or utils.get_hw_addr( node['logicalname'] ) self.variant = node.get('version', None) self.wireless = bool(node.get('configuration', {}).get('wireless', False)) def __str__(self) -> str: return '{} {} {}'.format( super().__str__(), self.speed, 'wireless' if self.wireless else 'ethernet' ) class SoundCard(Component): @classmethod def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]: nodes = get_nested_dicts_with_key_value(lshw, 'class', 'multimedia') return (cls(node) for node in nodes) def __init__(self, node) -> None: super().__init__(node) self.from_lshw(node) class Display(Component): TECHS = 'CRT', 'TFT', 'LED', 'PDP', 'LCD', 'OLED', 'AMOLED' """Display technologies""" @classmethod def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]: for node in getter.indents(hwinfo, 'Monitor'): yield cls(node) def __init__(self, node: dict) -> None: super().__init__(node) self.model = getter.kv(node, 'Model') self.manufacturer = getter.kv(node, 'Vendor') self.serial_number = getter.kv(node, 'Serial ID', default=None, type=str) self.resolution_width, self.resolution_height, refresh_rate = text.numbers( getter.kv(node, 'Resolution') ) self.refresh_rate = unit.Quantity(refresh_rate, 'Hz').m with suppress(StopIteration): # some monitors can have several resolutions, and the one # in "Detailed Timings" seems the highest one timings = next(getter.indents(node, 'Detailed Timings', indent=' ')) self.resolution_width, self.resolution_height = text.numbers( getter.kv(timings, 'Resolution') ) x, y = ( unit.convert(v, 'millimeter', 'inch') for v in text.numbers(getter.kv(node, 'Size')) ) self.size = hypot(x, y) self.technology = next((t for t in self.TECHS if t in node[0]), None) d = '{} {} 0'.format( getter.kv(node, 'Year of Manufacture'), getter.kv(node, 'Week of Manufacture'), ) # We assume it has been produced the first day of such week self.production_date = datetime.strptime(d, '%Y %W %w').isoformat() self._aspect_ratio = Fraction(self.resolution_width, self.resolution_height) def __str__(self) -> str: return ( '{0} {1.resolution_width}x{1.resolution_height} {1.size} inches {2}'.format( super().__str__(), self, self._aspect_ratio ) ) class Computer(Device): CHASSIS_TYPE = { 'Desktop': { 'desktop', 'low-profile', 'tower', 'docking', 'all-in-one', 'pizzabox', 'mini-tower', 'space-saving', 'lunchbox', 'mini', 'stick', }, 'Laptop': { 'portable', 'laptop', 'convertible', 'tablet', 'detachable', 'notebook', 'handheld', 'sub-notebook', }, 'Server': {'server'}, 'Computer': {'_virtual'}, } """ A translation dictionary whose keys are Devicehub types and values are possible chassis values that `dmi `_ can offer. """ CHASSIS_DH = { 'Tower': {'desktop', 'low-profile', 'tower', 'server'}, 'Docking': {'docking'}, 'AllInOne': {'all-in-one'}, 'Microtower': {'mini-tower', 'space-saving', 'mini'}, 'PizzaBox': {'pizzabox'}, 'Lunchbox': {'lunchbox'}, 'Stick': {'stick'}, 'Netbook': {'notebook', 'sub-notebook'}, 'Handheld': {'handheld'}, 'Laptop': {'portable', 'laptop'}, 'Convertible': {'convertible'}, 'Detachable': {'detachable'}, 'Tablet': {'tablet'}, 'Virtual': {'_virtual'}, } """ A conversion table from DMI's chassis type value Devicehub chassis value. """ COMPONENTS = list(Component.__subclasses__()) # type: List[Type[Component]] COMPONENTS.remove(Motherboard) def __init__(self, node: dict) -> None: super().__init__(node) self.from_lshw(node) chassis = node.get('configuration', {}).get('chassis', '_virtual') self.type = next( t for t, values in self.CHASSIS_TYPE.items() if chassis in values ) self.chassis = next( t for t, values in self.CHASSIS_DH.items() if chassis in values ) self.sku = getter.dict(node, ('configuration', 'sku'), default=None, type=str) self.version = getter.dict(node, 'version', default=None, type=str) self._ram = None @classmethod def run(cls, lshw, hwinfo_raw, uuid=None, sid=None): """ Gets hardware information from the computer and its components, like serial numbers or model names, and benchmarks them. This function uses ``LSHW`` as the main source of hardware information, which is obtained once when it is instantiated. """ hwinfo = hwinfo_raw.splitlines() computer = cls(lshw) components = [] try: for Component in cls.COMPONENTS: if Component == Display and computer.type != 'Laptop': continue # Only get display info when computer is laptop components.extend(Component.new(lshw=lshw, hwinfo=hwinfo)) components.append(Motherboard.new(lshw, hwinfo)) computer._ram = sum( ram.size for ram in components if isinstance(ram, RamModule) ) except Exception as err: # if there are any problem with components, save the problem and continue txt = "Error: Snapshot: {uuid}, sid: {sid}, type_error: {type}, error: {error}".format( uuid=uuid, sid=sid, type=err.__class__, error=err ) cls.errors(txt, uuid=uuid, sid=sid) return computer, components @classmethod def errors(cls, txt=None, uuid=None, sid=None, severity=Severity.Error): if not txt: return logger.error(txt) error = SnapshotErrors( description=txt, snapshot_uuid=uuid, severity=severity, sid=sid ) error.save() def __str__(self) -> str: specs = super().__str__() return '{} with {} MB of RAM.'.format(specs, self._ram)