Fix multimodal registry and code sync scripts (#10759)

Co-authored-by: cctry <shiyang@x.ai>

python/sglang/utils.py

@@ -8,6 +8,7 @@ import logging
 import os
 import random
 import socket
+import ssl
 import subprocess
 import sys
 import time
@@ -158,7 +159,15 @@ def http_request(
             data = bytes(dumps(json), encoding="utf-8")
 
         try:
-            resp = urllib.request.urlopen(req, data=data, cafile=verify)
+            if sys.version_info >= (3, 13):
+                # Python 3.13+: Use SSL context (cafile removed)
+                if verify and isinstance(verify, str):
+                    context = ssl.create_default_context(cafile=verify)
+                else:
+                    context = ssl.create_default_context()
+                resp = urllib.request.urlopen(req, data=data, context=context)
+            else:
+                resp = urllib.request.urlopen(req, data=data, cafile=verify)
             return HttpResponse(resp)
         except urllib.error.HTTPError as e:
             return HttpResponse(e)