bpo-33671: Add support.MS_WINDOWS and support.MACOS (GH-7800)

* Add support.MS_WINDOWS: True if Python is running on Microsoft Windows.
* Add support.MACOS: True if Python is running on Apple macOS.
* Replace support.is_android with support.ANDROID
* Replace support.is_jython with support.JYTHON
* Cleanup code to initialize unix_shell

1 files changed, 2 insertions, 4 deletions

diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 7e3e401..dfae4a8 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -270,9 +270,7 @@ class PlatformTest(unittest.TestCase):
         res = platform.libc_ver(executable)
 
     def test_popen(self):
-        mswindows = (sys.platform == "win32")
-
-        if mswindows:
+        if support.MS_WINDOWS:
             command = '"{}" -c "print(\'Hello\')"'.format(sys.executable)
         else:
             command = "'{}' -c 'print(\"Hello\")'".format(sys.executable)
@@ -284,7 +282,7 @@ class PlatformTest(unittest.TestCase):
                 self.assertEqual(hello, "Hello")
 
         data = 'plop'
-        if mswindows:
+        if support.MS_WINDOWS:
             command = '"{}" -c "import sys; data=sys.stdin.read(); exit(len(data))"'
         else:
             command = "'{}' -c 'import sys; data=sys.stdin.read(); exit(len(data))'"