Fix pygame.camera backend detection on Windows Server

The code for pygame.camera backend detection trips when running on a Server variant of modern Windows, causing initialization of the camera system to fail entirely. This commit expands the Windows version checking code to make sure that both desktop and Server Windows are handled correctly.

Author: andrigamerita

src_py/camera.py

@@ -125,14 +125,22 @@ def _setup_backend(backend):
 def get_backends():
     possible_backends = []
 
-    if sys.platform == "win32" and int(platform.win32_ver()[0].split(".")[0]) >= 8:
-        try:
-            # If cv2 is installed, prefer that on windows.
-            import cv2
-
-            possible_backends.append("OpenCV")
-        except ImportError:
-            possible_backends.append("_camera (MSMF)")
+    if sys.platform == "win32":
+        version_code = platform.win32_ver()[0].split(".")[0]
+        if "Server" in version_code:
+            version_code = ''.join(filter(str.isdigit, version_code))[:4]
+            minimum_satisfied = int(version_code) >= 2012
+        else:
+            minimum_satisfied = int(version_code) >= 8
+
+        if minimum_satisfied:
+            try:
+                # If cv2 is installed, prefer that on windows.
+                import cv2
+
+                possible_backends.append("OpenCV")
+            except ImportError:
+                possible_backends.append("_camera (MSMF)")
 
     if "linux" in sys.platform:
         possible_backends.append("_camera (V4L2)")