move get wifi device over to jeepney! ~no additional lines

system/ui/lib/wifi_manager.py

@@ -9,6 +9,7 @@ from enum import IntEnum
 
 from collections import deque
 from jeepney import DBusAddress, new_method_call
+from jeepney.wrappers import Properties
 from jeepney.bus_messages import message_bus, MatchRule
 from jeepney.io.blocking import open_dbus_connection
 
@@ -120,8 +121,15 @@ class WifiManager:
     self._nm = dbus.Interface(self._main_bus.get_object(NM, NM_PATH), NM_IFACE)
     self._props = dbus.Interface(self._main_bus.get_object(NM, NM_PATH), NM_PROPERTIES_IFACE)
 
+    # Jeepney DBus connections
+    # TODO: can we use one? or will the signal blocking not work properly?
+    self._conn_main = open_dbus_connection(bus="SYSTEM")  # used by scanner / general method calls
+    self._conn_monitor = open_dbus_connection(bus="SYSTEM")  # used by state monitor thread
+
+    self._nmj = DBusAddress(NM_PATH, bus_name=NM, interface=NM_IFACE)
+
     # store wifi device path
-    self._wifi_device: dbus.ObjectPath | None = None
+    self._wifi_device: str | None = None
 
     # State
     self._connecting_to_ssid: str = ""
@@ -165,7 +173,7 @@ class WifiManager:
       threading.Thread(target=self._update_networks, daemon=True).start()
 
   def _monitor_state(self):
-    device_path: dbus.ObjectPath = self._wait_for_wifi_device()
+    device_path: str = self._wait_for_wifi_device()
 
     conn = open_dbus_connection(bus="SYSTEM")
 
@@ -234,9 +242,9 @@ class WifiManager:
 
       time.sleep(5)
 
-  def _wait_for_wifi_device(self) -> dbus.ObjectPath:
+  def _wait_for_wifi_device(self) -> str:
     with self._lock:
-      device_path: dbus.ObjectPath | None = None
+      device_path: str | None = None
       while not self._exit:
         device_path = self._get_wifi_device()
         if device_path is not None:
@@ -244,18 +252,18 @@ class WifiManager:
         time.sleep(1)
       return device_path
 
-  def _get_wifi_device(self) -> dbus.ObjectPath | None:
+  def _get_wifi_device(self) -> str | None:
     if self._wifi_device is not None:
       return self._wifi_device
 
     t = time.monotonic()
-    device_paths = self._nm.GetDevices()
+    device_paths = self._conn_main.send_and_get_reply(new_method_call(self._nmj, 'GetDevices')).body[0]
 
     for device_path in device_paths:
-      dev_props = dbus.Interface(self._main_bus.get_object(NM, device_path), NM_PROPERTIES_IFACE)
-      dev_type = dev_props.Get(NM_DEVICE_IFACE, "DeviceType")
+      dev_addr = DBusAddress(device_path, bus_name=NM, interface=NM_DEVICE_IFACE)
+      dev_type = self._conn_main.send_and_get_reply(Properties(dev_addr).get('DeviceType')).body[0]
 
-      if dev_type == NM_DEVICE_TYPE_WIFI:
+      if dev_type[1] == NM_DEVICE_TYPE_WIFI:
         self._wifi_device = device_path
         break