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import os
from functools import partial
from pathlib import Path
from typing import Iterator, Optional, Union
from .general import SysCommand
from .networking import list_interfaces, enrich_iface_types
__packages__ = [
"mesa",
"xf86-video-amdgpu",
"xf86-video-ati",
"xf86-video-nouveau",
"xf86-video-vmware",
"libva-mesa-driver",
"libva-intel-driver",
"intel-media-driver",
"vulkan-radeon",
"vulkan-intel",
"nvidia",
]
AVAILABLE_GFX_DRIVERS = {
# Sub-dicts are layer-2 options to be selected
# and lists are a list of packages to be installed
"All open-source (default)": [
"mesa",
"xf86-video-amdgpu",
"xf86-video-ati",
"xf86-video-nouveau",
"xf86-video-vmware",
"libva-mesa-driver",
"libva-intel-driver",
"intel-media-driver",
"vulkan-radeon",
"vulkan-intel",
],
"AMD / ATI (open-source)": [
"mesa",
"xf86-video-amdgpu",
"xf86-video-ati",
"libva-mesa-driver",
"vulkan-radeon",
],
"Intel (open-source)": [
"mesa",
"libva-intel-driver",
"intel-media-driver",
"vulkan-intel",
],
"Nvidia (open-source)": [
"mesa",
"xf86-video-nouveau",
"libva-mesa-driver"
],
"Nvidia (proprietary)": ["nvidia"],
"VMware / VirtualBox (open-source)": ["mesa", "xf86-video-vmware"],
}
CPUINFO = Path("/proc/cpuinfo")
MEMINFO = Path("/proc/meminfo")
def cpuinfo() -> Iterator[dict[str, str]]:
"""Yields information about the CPUs of the system."""
cpu = {}
with CPUINFO.open() as file:
for line in file:
if not (line := line.strip()):
yield cpu
cpu = {}
continue
key, value = line.split(":", maxsplit=1)
cpu[key.strip()] = value.strip()
def meminfo(key: Optional[str] = None) -> Union[dict[str, int], Optional[int]]:
"""Returns a dict with memory info if called with no args
or the value of the given key of said dict.
"""
with MEMINFO.open() as file:
mem_info = {
(columns := line.strip().split())[0].rstrip(':'): int(columns[1])
for line in file
}
if key is None:
return mem_info
return mem_info.get(key)
def has_wifi() -> bool:
return 'WIRELESS' in enrich_iface_types(list_interfaces().values()).values()
def has_cpu_vendor(vendor_id: str) -> bool:
return any(cpu.get("vendor_id") == vendor_id for cpu in cpuinfo())
has_amd_cpu = partial(has_cpu_vendor, "AuthenticAMD")
has_intel_cpu = partial(has_cpu_vendor, "GenuineIntel")
def has_uefi() -> bool:
return os.path.isdir('/sys/firmware/efi')
def graphics_devices() -> dict:
cards = {}
for line in SysCommand("lspci"):
if b' VGA ' in line or b' 3D ' in line:
_, identifier = line.split(b': ', 1)
cards[identifier.strip().decode('UTF-8')] = line
return cards
def has_nvidia_graphics() -> bool:
return any('nvidia' in x.lower() for x in graphics_devices())
def has_amd_graphics() -> bool:
return any('amd' in x.lower() for x in graphics_devices())
def has_intel_graphics() -> bool:
return any('intel' in x.lower() for x in graphics_devices())
def cpu_vendor() -> Optional[str]:
for cpu in cpuinfo():
return cpu.get("vendor_id")
return None
def cpu_model() -> Optional[str]:
for cpu in cpuinfo():
return cpu.get("model name")
return None
def sys_vendor() -> Optional[str]:
with open(f"/sys/devices/virtual/dmi/id/sys_vendor") as vendor:
return vendor.read().strip()
def product_name() -> Optional[str]:
with open(f"/sys/devices/virtual/dmi/id/product_name") as product:
return product.read().strip()
def mem_available() -> Optional[int]:
return meminfo('MemAvailable')
def mem_free() -> Optional[int]:
return meminfo('MemFree')
def mem_total() -> Optional[int]:
return meminfo('MemTotal')
def virtualization() -> Optional[str]:
return str(SysCommand("systemd-detect-virt")).strip('\r\n')
def is_vm() -> bool:
return b"none" not in b"".join(SysCommand("systemd-detect-virt")).lower()
# TODO: Add more identifiers
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