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bpo-31320: No traceback to sys.stderr in test_ssl (#3360)

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In case PROTOCOL_TLS_SERVER is used for both client context and server
context, the test thread dies with OSError. Catch OSError to avoid
traceback on sys.stderr

Signed-off-by: Christian Heimes <christian@python.org>
This commit is contained in:
Christian Heimes 2017-09-05 16:37:09 -07:00 • committed by GitHub
parent 60dbed1850
commit 305e56c27a
2 changed files with 5 additions and 1 deletions
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5
Lib/test/test_ssl.py
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@ -1853,11 +1853,14 @@ if _have_threads:
self.sock, server_side=True)
self.server.selected_npn_protocols.append(self.sslconn.selected_npn_protocol())
self.server.selected_alpn_protocols.append(self.sslconn.selected_alpn_protocol())
except (ssl.SSLError, ConnectionResetError) as e:
except (ssl.SSLError, ConnectionResetError, OSError) as e:
# We treat ConnectionResetError as though it were an
# SSLError - OpenSSL on Ubuntu abruptly closes the
# connection when asked to use an unsupported protocol.
#
# OSError may occur with wrong protocols, e.g. both
# sides use PROTOCOL_TLS_SERVER.
#
# XXX Various errors can have happened here, for example
# a mismatching protocol version, an invalid certificate,
# or a low-level bug. This should be made more discriminating.