Add darwin implementation of reactive network handling

Author: rzeigler

pyproject.toml

@@ -36,6 +36,8 @@ dependencies = [
     "pyobjc-framework-Cocoa<13; sys_platform == 'darwin'",
     "pyobjc-framework-CoreWLAN<13; sys_platform == 'darwin'",
     "pyobjc-framework-LaunchServices<13; sys_platform == 'darwin'",
+    "pyobjc-framework-libdispatch>=12.1; sys_platform == 'darwin'",
+    "pyobjc-framework-network>=12.1; sys_platform == 'darwin'",
     "pyqt6",
     "secretstorage; sys_platform != 'darwin'",
 ]

src/vorta/network_status/darwin.py

@@ -4,6 +4,8 @@
 from collections.abc import Iterator
 from datetime import datetime as dt
 
+import dispatch
+import Network
 from CoreWLAN import CWInterface, CWNetwork, CWWiFiClient
 
 from vorta.log import logger
@@ -13,6 +15,17 @@
 class DarwinNetworkStatus(NetworkStatusMonitor):
     def __init__(self) -> None:
         super().__init__()
+        # Default state of none indicates we haven't received a path update yet
+        self.nw_path = None
+        self.nw_path_monitor = Network.nw_path_monitor_create()
+        Network.nw_path_monitor_set_update_handler(self.nw_path_monitor, self._path_updated)
+        # Needs a dispatch to get the first event
+        Network.nw_path_monitor_set_queue(self.nw_path_monitor, dispatch.dispatch_get_main_queue())
+        Network.nw_path_monitor_start(self.nw_path_monitor)
+
+    def _path_updated(self, path):
+        self.nw_path = path
+        self.network_status_changed.emit(self.is_network_active())
 
     def is_network_metered(self) -> bool:
         interface: CWInterface = self._get_wifi_interface()
@@ -30,9 +43,16 @@ def is_network_metered(self) -> bool:
 
         return is_ios_hotspot or any(is_network_metered_with_android(d) for d in get_network_devices())
 
-    def is_network_active(self) -> bool:
-        # Not yet implemented
-        return True
+    def is_network_active(self):
+        # We haven't received an update yet, surely it is coming soon
+        if self.nw_path is None:
+            return False
+        # https://developer.apple.com/documentation/network/nw_path_status_satisfiable
+        # Maybe making a network connection will work so treat it as active
+        return Network.nw_path_get_status(self.nw_path) in (
+            Network.nw_path_status_satisfied,
+            Network.nw_path_status_satisfiable,
+        )
 
     def get_current_wifi(self) -> str | None:
         """

tests/unit/test_kwallet.py

@@ -1,10 +1,13 @@
+import sys
 from unittest.mock import patch
 
 import pytest
 from PyQt6.QtCore import QVariant
 
 from vorta.keyring.kwallet import KWalletNotAvailableException, VortaKWallet5Keyring
 
+pytestmark = pytest.mark.skipif(sys.platform == 'darwin', reason="no kwallet on macos")
+
 
 @pytest.fixture
 def kwallet_keyring():