Merge pull request #615 from conqp/native_cpu_detection

Native cpu detection

archinstall/lib/hardware.py

@@ -1,7 +1,7 @@
 import json
 import os
-import subprocess
+from pathlib import Path
-from typing import Optional
+from typing import Iterator, Optional
 
 from .general import SysCommand
 from .networking import list_interfaces, enrich_iface_types
@@ -57,25 +57,33 @@ AVAILABLE_GFX_DRIVERS = {
 	"VMware / VirtualBox (open-source)": ["mesa", "xf86-video-vmware"],
 }
 
+CPUINFO = Path("/proc/cpuinfo")
+
+
+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 has_wifi() -> bool:
 	return 'WIRELESS' in enrich_iface_types(list_interfaces().values()).values()
 
 
 def has_amd_cpu() -> bool:
-	try:
+    return any(cpu.get("vendor_id") == "AuthenticAMD" for cpu in cpuinfo())
-		return subprocess.check_output("lscpu | grep AMD", shell=True).strip().decode()
-	except:
-		pass
-	return False
-
 
 def has_intel_cpu() -> bool:
-	try:
+    return any(cpu.get("vendor_id") == "GenuineIntel" for cpu in cpuinfo())
-		return subprocess.check_output("lscpu | grep Intel", shell=True).strip().decode()
-	except:
-		pass
-	return False
 
 def has_uefi() -> bool:
 	return os.path.isdir('/sys/firmware/efi')