Add constant for path /sys/class/net (#4667)

archinstall/lib/network/wifi_handler.py

@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from pathlib import Path
 from typing import assert_never, override
 
 from archinstall.lib.command import SysCommand
@@ -7,6 +6,7 @@ from archinstall.lib.exceptions import SysCallError
 from archinstall.lib.log import debug
 from archinstall.lib.models.network import WifiConfiguredNetwork, WifiNetwork
 from archinstall.lib.network.wpa_supplicant import WpaSupplicantConfig
+from archinstall.lib.networking import SYS_NET
 from archinstall.lib.translationhandler import tr
 from archinstall.tui.components import ConfirmationScreen, InputScreen, InstanceRunnable, LoadingScreen, NotifyScreen, TableSelectionScreen, tui
 from archinstall.tui.menu_item import MenuItem, MenuItemGroup
@@ -86,11 +86,8 @@ class WifiHandler(InstanceRunnable[bool]):
 			return False
 
 	def _find_wifi_interface(self) -> str | None:
-		net_path = Path('/sys/class/net')
-
-		for iface in net_path.iterdir():
-			maybe_wireless_path = net_path / iface / 'wireless'
-			if maybe_wireless_path.is_dir():
+		for iface in SYS_NET.iterdir():
+			if (iface / 'wireless').is_dir():
 				return iface.name
 
 		return None

archinstall/lib/networking.py

@@ -6,8 +6,9 @@ import socket
 import ssl
 import struct
 import time
+from pathlib import Path
 from types import FrameType, TracebackType
-from typing import Self
+from typing import Final, Self
 from urllib.error import URLError
 from urllib.parse import urlencode
 from urllib.request import urlopen
@@ -16,6 +17,8 @@ from archinstall.lib.exceptions import DownloadTimeout, SysCallError
 from archinstall.lib.log import debug, error, info
 from archinstall.lib.pacman.pacman import Pacman
 
+SYS_NET: Final = Path('/sys/class/net')
+
 
 class DownloadTimer:
 	"""
@@ -105,13 +108,14 @@ def enrich_iface_types(interfaces: list[str]) -> dict[str, str]:
 	result = {}
 
 	for iface in interfaces:
-		if os.path.isdir(f'/sys/class/net/{iface}/bridge/'):
+		path = SYS_NET / iface
+		if (path / 'bridge').is_dir():
 			result[iface] = 'BRIDGE'
-		elif os.path.isfile(f'/sys/class/net/{iface}/tun_flags'):
+		elif (path / 'tun_flags').is_file():
 			# ethtool -i {iface}
 			result[iface] = 'TUN/TAP'
-		elif os.path.isdir(f'/sys/class/net/{iface}/device'):
-			if os.path.isdir(f'/sys/class/net/{iface}/wireless/'):
+		elif (path / 'device').is_dir():
+			if (path / 'wireless').is_dir():
 				result[iface] = 'WIRELESS'
 			else:
 				result[iface] = 'PHYSICAL'