Drop dependency on distutils

Introduces a simple class to represent macOS
versions. The alternative was to rely on the
"packaging" package instead, but that's an
additional dependency and overkill for one simple class.

development-support/wheel-smoke-test.py

@@ -5,8 +5,8 @@
 # NOTE: This file is not yet complete
 """
 
+import functools
 import platform
-from distutils.version import LooseVersion
 
 import objc  # noqa: F401
 from AddressBook import *  # noqa: F401, F403
@@ -24,49 +24,71 @@
 from HIServices import *  # noqa: F401, F403
 from Quartz import *  # noqa: F401, F403
 
-sys_version = LooseVersion(platform.mac_ver()[0])
 
+@functools.total_ordering
+class MacVersion:
+    def __init__(self, version_string):
+        self.version_string = version_string
+        self.version_tuple = tuple(int(x) for x in version_string.split("."))
 
-if sys_version >= LooseVersion("10.5"):
+    def __eq__(self, other):
+        if not isinstance(other, MacVersion):
+            return False
+
+        return self.version_tuple == other.version_tuple
+
+    def __lt__(self, other):
+        if not isinstance(other, MacVersion):
+            raise TypeError
+
+        return self.version_tuple < other.version_tuple
+
+    def __str__(self):
+        return f"<MacVersion {self.version_tuple}>"
+
+
+sys_version = MacVersion(platform.mac_ver()[0])
+
+if sys_version >= MacVersion("10.5"):
     from CalendarStore import *  # noqa: F401, F403
     from Collaboration import *  # noqa: F401, F403
     from CoreText import *  # noqa: F401, F403
     from DictionaryServices import *  # noqa: F401, F403
     from FSEvents import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.6"):
+if sys_version >= MacVersion("10.6"):
     from CoreLocation import *  # noqa: F401, F403
     from CoreWLAN import *  # noqa: F401, F403
 
     from iTunesLibrary import *  # noqa: F401, F403
 
 
-if sys_version >= LooseVersion("10.7"):
+if sys_version >= MacVersion("10.7"):
     from AVFoundation import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.8"):
+if sys_version >= MacVersion("10.8"):
     from Accounts import *  # noqa: F401, F403
     from EventKit import *  # noqa: F401, F403
     from GameCenter import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.9"):
+if sys_version >= MacVersion("10.9"):
     from AVKit import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.10"):
+if sys_version >= MacVersion("10.10"):
     from CloudKit import *  # noqa: F401, F403
     from CoreBluetooth import *  # noqa: F401, F403
     from CryptoTokenKit import *  # noqa: F401, F403
     from FinderSync import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.11"):
+if sys_version >= MacVersion("10.11"):
     from Contacts import *  # noqa: F401, F403
     from ContactsUI import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.12"):
+if sys_version >= MacVersion("10.12"):
     from Intents import *  # noqa: F401, F403
     from MediaPlayer import *  # noqa: F401, F403
 
-if sys_version >= LooseVersion("10.13"):
+if sys_version >= MacVersion("10.13"):
     from BusinessChat import *  # noqa: F401, F403
     from ColorSync import *  # noqa: F401, F403
     from CoreML import *  # noqa: F401, F403