Remove support for deprecated macOS XML wifi list. (#868)

* Use pytest-cov plugin to avoid hangers and subproc issues.

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
         brew install openssl readline xz borgbackup
     - name: Install Vorta
       run: |
-        pip install .
+        pip install -e .
         pip install -r requirements.d/dev.txt
     # - name: Setup tmate session
     #   uses: mxschmitt/action-tmate@v1
@@ -40,11 +40,11 @@ jobs:
       if: runner.os == 'Linux'
       run: |
         xvfb-run --server-args="-screen 0 1024x768x24+32" \
-                 -a dbus-run-session -- coverage run -m pytest
+                 -a dbus-run-session -- pytest --cov=vorta
     - name: Test with pytest (macOS)
       if: runner.os == 'macOS'
       run: |
-        coverage run -m pytest
+        pytest --cov=vorta
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1
       env:

requirements.d/dev.txt

@@ -3,6 +3,7 @@ flake8
 pyinstaller
 pylint
 pytest
+pytest-cov
 pytest-faulthandler
 pytest-mock
 pytest-qt

src/vorta/network_status/abc.py

@@ -28,7 +28,7 @@ def get_current_wifi(self) -> Optional[str]:
         """Get current SSID or None if Wifi is off."""
         raise NotImplementedError()
 
-    def get_known_wifis(self) -> Optional[List['SystemWifiInfo']]:
+    def get_known_wifis(self) -> List['SystemWifiInfo']:
         """Get WiFi networks known to system."""
         raise NotImplementedError()
 
@@ -50,5 +50,5 @@ def is_network_metered(self) -> bool:
     def get_current_wifi(self) -> Optional[str]:
         pass
 
-    def get_known_wifis(self) -> Optional[List['SystemWifiInfo']]:
-        pass
+    def get_known_wifis(self) -> List['SystemWifiInfo']:
+        return []

src/vorta/network_status/darwin.py

@@ -1,9 +1,6 @@
-import plistlib
 import subprocess
-import xml
 from typing import Optional, Iterator
-
-from peewee import format_date_time
+from datetime import datetime as dt
 
 from vorta.log import logger
 from vorta.network_status.abc import NetworkStatusMonitor, SystemWifiInfo
@@ -29,30 +26,16 @@ def get_current_wifi(self) -> Optional[str]:
                 return split_line[1].strip()
 
     def get_known_wifis(self):
-        from vorta.models import WifiSettingModel
-        plist_path = '/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist'
+        """
+        Listing all known Wifi networks isn't possible any more from macOS 11. Instead we
+        just return the current Wifi.
+        """
+        wifis = []
+        current_wifi = self.get_current_wifi()
+        if current_wifi is not None:
+            wifis.append(SystemWifiInfo(ssid=current_wifi, last_connected=dt.now()))
 
-        try:
-            plist_file = open(plist_path, 'rb')
-            wifis = plistlib.load(plist_file).get('KnownNetworks')
-        except xml.parsers.expat.ExpatError:
-            logger.error('Unable to parse list of Wifi networks.')
-            return None
-
-        result = []
-        if wifis is not None:
-            for wifi in wifis.values():
-                ssid = wifi.get('SSIDString', None)
-                if ssid is None:
-                    continue
-
-                last_connected = wifi.get('LastConnected', None) or wifi.get('LastAutoJoinAt', None)
-                if isinstance(last_connected, str):  # TODO: Maybe not needed any more?
-                    last_connected = format_date_time(last_connected, WifiSettingModel.last_connected.formats)
-
-                result.append(SystemWifiInfo(ssid=ssid, last_connected=last_connected))
-
-        return result
+        return wifis
 
 
 def get_network_devices() -> Iterator[str]:

src/vorta/network_status/network_manager.py

@@ -39,14 +39,14 @@ def get_current_wifi(self) -> Optional[str]:
             logger.exception("Failed to get currently connected WiFi network, assuming none")
             return None
 
-    def get_known_wifis(self) -> Optional[List[SystemWifiInfo]]:
+    def get_known_wifis(self) -> List[SystemWifiInfo]:
+        wifis = []
         try:
             connections_paths = self._nm.get_connections_paths()
         except DBusException:
             logger.exception("Failed to list connections")
-            return None
+            return wifis
 
-        wifis = []
         for connection_path in connections_paths:
             try:
                 settings = self._nm.get_settings(connection_path)

src/vorta/utils.py

@@ -199,33 +199,31 @@ def get_asset(path):
 
 
 def get_sorted_wifis(profile):
-    """Get SSIDs from OS and merge with settings in DB."""
+    """
+    Get Wifi networks known to the OS (only current one on macOS) and
+    merge with networks from other profiles. Update last connected time.
+    """
 
     from vorta.models import WifiSettingModel
 
+    # Pull networks known to OS and all other backup profiles
     system_wifis = get_network_status_monitor().get_known_wifis()
-    if system_wifis is None:
-        # Don't show any networks if we can't get the current list
-        return []
+    from_other_profiles = WifiSettingModel.select() \
+        .where(WifiSettingModel.profile != profile.id).execute()
 
-    for wifi in system_wifis:
+    for wifi in list(from_other_profiles) + system_wifis:
         db_wifi, created = WifiSettingModel.get_or_create(
             ssid=wifi.ssid,
             profile=profile.id,
             defaults={'last_connected': wifi.last_connected, 'allowed': True}
         )
 
-        # update last connected time
+        # Update last connected time
         if not created and db_wifi.last_connected != wifi.last_connected:
             db_wifi.last_connected = wifi.last_connected
             db_wifi.save()
 
-    # remove Wifis that were deleted in the system.
-    deleted_wifis = WifiSettingModel.select() \
-        .where(WifiSettingModel.ssid.not_in([wifi.ssid for wifi in system_wifis]))
-    for wifi in deleted_wifis:
-        wifi.delete_instance()
-
+    # Finally return list of networks and settings for that profile
     return WifiSettingModel.select() \
         .where(WifiSettingModel.profile == profile.id).order_by(-WifiSettingModel.last_connected)