tags: accept mac tags without minor versions

Signed-off-by: Filipe Laíns <lains@riseup.net>

packaging/tags.py

@@ -398,9 +398,16 @@ def mac_platforms(
             compat_version = major_version, 0
             binary_formats = _mac_binary_formats(compat_version, arch)
             for binary_format in binary_formats:
-                yield "macosx_{major}_{minor}_{binary_format}".format(
-                    major=major_version, minor=0, binary_format=binary_format
+                yield "macosx_{major}_{binary_format}".format(
+                    major=major_version, binary_format=binary_format
                 )
+                # Mac OS 11 and 12 seem to omit the minor version, we will keep
+                # them for backwards compatibility and avoid generating tags
+                # with it in the future
+                if version < (13, 0):
+                    yield "macosx_{major}_{minor}_{binary_format}".format(
+                        major=major_version, minor=0, binary_format=binary_format
+                    )
 
     if version >= (11, 0):
         # Mac OS 11 on x86_64 is compatible with binaries from previous releases.

tests/test_tags.py

@@ -311,6 +311,10 @@ def test_macos_11(self, major, minor):
         assert "macosx_11_3_x86_64" not in platforms
         assert "macosx_11_0_universal" in platforms
         assert "macosx_11_0_universal2" in platforms
+        assert "macosx_11_arm64" not in platforms
+        assert "macosx_11_x86_64" in platforms
+        assert "macosx_11_universal" in platforms
+        assert "macosx_11_universal2" in platforms
         # Mac OS "10.16" is the version number that binaries compiled against an old
         # (pre 11.0) SDK will see.   It can also be enabled explicitly for a process
         # with the environment variable SYSTEM_VERSION_COMPAT=1.
@@ -319,10 +323,15 @@ def test_macos_11(self, major, minor):
         assert "macosx_10_15_universal2" in platforms
         assert "macosx_10_4_x86_64" in platforms
         assert "macosx_10_3_x86_64" not in platforms
+        assert "macosx_10_x86_64" not in platforms
+        assert "macosx_10_universal2" not in platforms
         if major >= 12:
             assert "macosx_12_0_x86_64" in platforms
             assert "macosx_12_0_universal" in platforms
             assert "macosx_12_0_universal2" in platforms
+            assert "macosx_12_x86_64" in platforms
+            assert "macosx_12_universal" in platforms
+            assert "macosx_12_universal2" in platforms
 
         platforms = list(tags.mac_platforms((major, minor), "arm64"))
         assert "macosx_11_0_arm64" in platforms
@@ -333,9 +342,16 @@ def test_macos_11(self, major, minor):
         assert "macosx_10_15_x86_64" not in platforms
         assert "macosx_10_4_x86_64" not in platforms
         assert "macosx_10_3_x86_64" not in platforms
+        assert "macosx_11_arm64" in platforms
+        assert "macosx_11_universal" not in platforms
+        assert "macosx_11_universal2" in platforms
+        assert "macosx_10_universal2" not in platforms
+        assert "macosx_10_x86_64" not in platforms
         if major >= 12:
             assert "macosx_12_0_arm64" in platforms
             assert "macosx_12_0_universal2" in platforms
+            assert "macosx_12_arm64" in platforms
+            assert "macosx_12_universal2" in platforms
 
 
 class TestManylinuxPlatform:
@@ -1041,6 +1057,10 @@ def teardown_method(self):
         # Clear the version cache
         tags._glibc_version = []
 
+    def test_interpreter_platform(self):
+        tag = sysconfig.get_platform().replace('-', '_').replace('.', '_')
+        assert tag in list(tags.platform_tags())
+
     @pytest.mark.parametrize(
         "name,expected",
         [("CPython", "cp"), ("PyPy", "pp"), ("Jython", "jy"), ("IronPython", "ip")],