From a3b9a299c1baf440918710dcc023b068853b57b9 Mon Sep 17 00:00:00 2001
From: InvalidUsernameException
 <InvalidUsernameException@users.noreply.github.com>
Date: Thu, 2 Jan 2025 22:35:55 +0100
Subject: [PATCH] Exit with useful error when using Python 3.13

---
 wpt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wpt b/wpt
index 5712156129ffd0..b275462b5de056 100755
--- a/wpt
+++ b/wpt
@@ -5,6 +5,9 @@ if __name__ == "__main__":
     if sys.version_info < (3, 8):
         sys.stderr.write("wpt requires Python 3.8 or higher\n")
         sys.exit(1)
+    elif sys.version_info >= (3, 13):
+        sys.stderr.write("wpt is not compatible with Python 3.13 or higher yet, see https://github.com/web-platform-tests/wpt/issues/48585\n");
+        sys.exit(1)
 
     from tools.wpt import wpt
     wpt.main()