Import features from ssl module with more granularity

urllib3 · Nov 12, 2020 · b3be378 · b3be378
1 parent 6611153
commit b3be378
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/urllib3/util/ssl_.py b/src/urllib3/util/ssl_.py
@@ -44,13 +44,21 @@ def _const_compare_digest_backport(a, b):
 
 try:  # Test for SSL features
     import ssl
-    from ssl import HAS_SNI  # Has SNI?
     from ssl import CERT_REQUIRED, wrap_socket
+except ImportError:
+    pass
+
+try:
+    from ssl import HAS_SNI  # Has SNI?
+except ImportError:
+    pass
 
+try:
     from .ssltransport import SSLTransport
 except ImportError:
     pass
 
+
 try:  # Platform-specific: Python 3.6
     from ssl import PROTOCOL_TLS