Adding some error handling to list_mirrors()

archinstall/lib/mirrors.py

@@ -74,10 +74,15 @@ def re_rank_mirrors(top=10, *positionals, **kwargs):
 
 def list_mirrors():
 	url = f"https://archlinux.org/mirrorlist/?protocol=https&ip_version=4&ip_version=6&use_mirror_status=on"
-
-	response = urllib.request.urlopen(url)
 	regions = {}
 
+	try:
+		response = urllib.request.urlopen(url)
+	except urllib.error.URLError as err:
+		log(f'Could not fetch an active mirror-list: {err}', level=LOG_LEVELS.Warning, fg="yellow")
+		return regions
+
+
 	region = 'Unknown region'
 	for line in response.readlines():
 		if len(line.strip()) == 0: