working on macOS example with CoreLocation

Author: scivision

macos_corelocation.py

@@ -1,28 +1,59 @@
 # /usr/bin/env python3
 """
+MUST USE SYSTEM PYTHON /usr/bin/python3
+DON'T USE sudo as LocationServices Python won't pop up.
+
+TODO: even with all this, BSSID is still (null) / None
+
+LocationServices Python app becomes available to enable in
+Settings > Privacy > Location Services
+
 pip install pyobjc
 
 from https://forums.developer.apple.com/forums/thread/748161?answerId=782574022#782574022
 """
 
 import objc
 import CoreLocation
+from time import sleep
+
+# Need authorization to get BSSID
 
-location_manager = CoreLocation.CLLocationManager.alloc().init()
-location_manager.requestWhenInUseAuthorization()
+mgr = CoreLocation.CLLocationManager.alloc().init()
+# mgr = CoreLocation.CLLocationManager.new()
+# mgr.requestAlwaysAuthorization()
+mgr.startUpdatingLocation()
 
+max_wait = 10
+# Get the current authorization status for Python
+for i in range(1, max_wait):
+    s = mgr.authorizationStatus()
+    if s in {3, 4}:
+        print("Python has been authorized for location services")
+        break
+    if i == max_wait - 1:
+        raise SystemExit("Unable to obtain authorization, exiting")
+    print(f"Waiting for authorization... do you see the Location Services popup window? {s}")
+    sleep(0.5)
+
+# Get the current location
 
 bundle_path = "/System/Library/Frameworks/CoreWLAN.framework"
 
 objc.loadBundle("CoreWLAN", bundle_path=bundle_path, module_globals=globals())
 
 # https://developer.apple.com/documentation/corewlan/cwinterface
-iface = CoreLocation.CWInterface.interface()
+# iface = CWInterface.interface()  # not recommended, low-level
+# https://developer.apple.com/documentation/corewlan/cwwificlient
+iface = CoreLocation.CWWiFiClient.sharedWiFiClient().interface()
+
+print(f"WiFi interface {iface.interfaceName()}")
+
 
-print(iface.interfaceName())
-print(iface.ssid())
+# need to run once to warmup -- otherwise all SSID are "(null)"
+iface.scanForNetworksWithName_includeHidden_error_(None, True, None)
 
-networks, error = iface.scanForNetworksWithSSID_error_(None, None)
+networks, error = iface.scanForNetworksWithName_includeHidden_error_(None, True, None)
 
 for network in networks:
-    print(network.ssid())
+    print(f"{network.ssid()} {network.bssid()} {network.rssi()}  channel {network.channel()}")

pyproject.toml

@@ -17,7 +17,7 @@ classifiers = ["Development Status :: 5 - Production/Stable",
  "Topic :: System :: Networking",
  "Topic :: Utilities"
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.9"
 dynamic = ["readme","version"]
 dependencies = ["requests", "pandas"]
 

src/mozloc/__main__.py

@@ -28,7 +28,9 @@
     help="Mozilla location services URL--don't use this default test key",
     default="https://location.services.mozilla.com/v1/geolocate?key=test",
 )
-p.add_argument("-d", "--dump", help="print raw data to console without logging", action="store_true")
+p.add_argument(
+    "-d", "--dump", help="print raw data to console without logging", action="store_true"
+)
 p.add_argument("-i", "--infile", help="use raw text saved from command line")
 args = p.parse_args()