Updated support prompt to indicate free-threaded builds, and GIL status on free-threaded builds

Author: oddbookworm

src_py/__init__.py

@@ -399,9 +399,20 @@ def __color_reduce(c):
 copyreg.pickle(Color, __color_reduce, __color_constructor)
 
 if "PYGAME_HIDE_SUPPORT_PROMPT" not in os.environ:
+    python_implementation = sys.version
+    python_version = platform.python_version()
+    from packaging import version
+
+    if (
+        sys.platform not in ("wasi", "wasm")
+        and (version.parse(python_version) >= version.parse("3.13.0"))
+        and "free-threading" in python_implementation
+    ):
+        python_version += f"t, {'' if sys._is_gil_enabled() else 'No '}GIL"
+
     print(
         f"pygame-ce {ver} (SDL {'.'.join(map(str, get_sdl_version()))}, "
-        f"Python {platform.python_version()})"
+        f"Python {python_version})"
     )
 
 # cleanup namespace