commit cdbfd828fcbfdd21c61bde6ceb9db6a6329605f0
author Alex Gaynor <alex.gaynor@gmail.com> Mon Dec 14 22:57:52 2020 -0500
committer GitHub <noreply@github.com> Mon Dec 14 21:57:52 2020 -0600
tree 8d2adb94c3fd846fc30e1e9debafaee0ea05c3c4
parent 1b12dcefdd71ba81ff9c3de9899fdb73076a08d2

Fix for running on OpenSSL 1.1.0 + CI (#978)

* Test on OpenSSL 1.1.0 w/ Debian stretch

* Make pyOpenSSL compatible with openssl 1.1.0 again

Co-authored-by: Shane Harvey <shnhrv@gmail.com>

src/OpenSSL/SSL.py

diff --git a/src/OpenSSL/SSL.py b/src/OpenSSL/SSL.py
index 230b403..e5fea1e 100644
--- a/src/OpenSSL/SSL.py
+++ b/src/OpenSSL/SSL.py
@@ -146,7 +146,10 @@
 OP_NO_TLSv1 = _lib.SSL_OP_NO_TLSv1
 OP_NO_TLSv1_1 = _lib.SSL_OP_NO_TLSv1_1
 OP_NO_TLSv1_2 = _lib.SSL_OP_NO_TLSv1_2
-OP_NO_TLSv1_3 = _lib.SSL_OP_NO_TLSv1_3
+try:
+    OP_NO_TLSv1_3 = _lib.SSL_OP_NO_TLSv1_3
+except AttributeError:
+    pass
 
 MODE_RELEASE_BUFFERS = _lib.SSL_MODE_RELEASE_BUFFERS