1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
import os
from functools import cached_property
from pathlib import Path
from typing import Optional, Dict, List
from .exceptions import SysCallError
from .general import SysCommand
from .networking import list_interfaces, enrich_iface_types
from .output import debug
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 kernel module for newer GPUs, Turing+)": ["nvidia-open"],
"Nvidia (open-source nouveau driver)": [
"mesa",
"xf86-video-nouveau",
"libva-mesa-driver"
],
"Nvidia (proprietary)": ["nvidia"],
"VMware / VirtualBox (open-source)": ["mesa", "xf86-video-vmware"],
}
class _SysInfo:
def __init__(self):
pass
@cached_property
def cpu_info(self) -> Dict[str, str]:
"""
Returns system cpu information
"""
cpu_info_path = Path("/proc/cpuinfo")
cpu: Dict[str, str] = {}
with cpu_info_path.open() as file:
for line in file:
if line := line.strip():
key, value = line.split(":", maxsplit=1)
cpu[key.strip()] = value.strip()
return cpu
@cached_property
def mem_info(self) -> Dict[str, int]:
"""
Returns system memory information
"""
mem_info_path = Path("/proc/meminfo")
mem_info: Dict[str, int] = {}
with mem_info_path.open() as file:
for line in file:
key, value = line.strip().split(':')
num = value.split()[0]
mem_info[key] = int(num)
return mem_info
def mem_info_by_key(self, key: str) -> int:
return self.mem_info[key]
@cached_property
def loaded_modules(self) -> List[str]:
"""
Returns loaded kernel modules
"""
modules_path = Path('/proc/modules')
modules: List[str] = []
with modules_path.open() as file:
for line in file:
module = line.split(maxsplit=1)[0]
modules.append(module)
return modules
_sys_info = _SysInfo()
class SysInfo:
@staticmethod
def has_wifi() -> bool:
ifaces = list(list_interfaces().values())
return 'WIRELESS' in enrich_iface_types(ifaces).values()
@staticmethod
def has_uefi() -> bool:
return os.path.isdir('/sys/firmware/efi')
@staticmethod
def _graphics_devices() -> Dict[str, str]:
cards: Dict[str, str] = {}
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')] = str(line)
return cards
@staticmethod
def has_nvidia_graphics() -> bool:
return any('nvidia' in x.lower() for x in SysInfo._graphics_devices())
@staticmethod
def has_amd_graphics() -> bool:
return any('amd' in x.lower() for x in SysInfo._graphics_devices())
@staticmethod
def has_intel_graphics() -> bool:
return any('intel' in x.lower() for x in SysInfo._graphics_devices())
@staticmethod
def cpu_vendor() -> Optional[str]:
return _sys_info.cpu_info.get('vendor_id', None)
@staticmethod
def cpu_model() -> Optional[str]:
return _sys_info.cpu_info.get('model name', None)
@staticmethod
def sys_vendor() -> str:
with open(f"/sys/devices/virtual/dmi/id/sys_vendor") as vendor:
return vendor.read().strip()
@staticmethod
def product_name() -> str:
with open(f"/sys/devices/virtual/dmi/id/product_name") as product:
return product.read().strip()
@staticmethod
def mem_available() -> int:
return _sys_info.mem_info_by_key('MemAvailable')
@staticmethod
def mem_free() -> int:
return _sys_info.mem_info_by_key('MemFree')
@staticmethod
def mem_total() -> int:
return _sys_info.mem_info_by_key('MemTotal')
@staticmethod
def virtualization() -> Optional[str]:
try:
return str(SysCommand("systemd-detect-virt")).strip('\r\n')
except SysCallError as err:
debug(f"Could not detect virtual system: {err}")
return None
@staticmethod
def is_vm() -> bool:
try:
result = SysCommand("systemd-detect-virt")
return b"none" not in b"".join(result).lower()
except SysCallError as err:
debug(f"System is not running in a VM: {err}")
return False
@staticmethod
def requires_sof_fw() -> bool:
return 'snd_sof' in _sys_info.loaded_modules
@staticmethod
def requires_alsa_fw() -> bool:
return 'snd_emu10k1' in _sys_info.loaded_modules
|