Original patch by Victor.

Fix issue #9711: raise ValueError is SSLConnection constructor is invoked with keyfile and not certfile.

in ssl tests rely on IOError.errno rather thanf IOError.strerror for better compatibility across platforms.

ssl.get_server_certificate()).

when the remote server doesn't answer.

filenames and enable os.fsencode().

several ``OP_*`` constants to the `ssl` module.  This allows to selectively
disable protocol versions, when used in combination with `PROTOCOL_SSLv23`.

svn+ssh://pythondev@svn.python.org/python/trunk

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  r80869 | antoine.pitrou | 2010-05-06 16:11:23 +0200 (jeu., 06 mai 2010) | 3 lines

  `self` doesn't exist here
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  r80690 | antoine.pitrou | 2010-05-01 22:26:58 +0200 (sam., 01 mai 2010) | 3 lines

  Remove duplicate test
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  r80596 | antoine.pitrou | 2010-04-28 23:11:01 +0200 (mer., 28 avril 2010) | 3 lines

  Fix style issues in test_ssl
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(the bug was already fixed in py3k, just merging in the tests)

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  r80557 | antoine.pitrou | 2010-04-28 00:03:37 +0200 (mer., 28 avril 2010) | 4 lines

  Issue #8086: In :func:`ssl.DER_cert_to_PEM_cert()`, fix missing newline
  before the certificate footer.  Patch by Kyle VanderBeek.
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  r80534 | antoine.pitrou | 2010-04-27 15:13:26 +0200 (mar., 27 avril 2010) | 3 lines

  socket.error can really happen here, and fix a possible NameError
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  r80529 | antoine.pitrou | 2010-04-27 12:32:58 +0200 (mar., 27 avril 2010) | 4 lines

  Qualify or remove or bare excepts.  Simplify exception handling in places.
  Remove uses of test_support.TestFailed.
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  r80526 | antoine.pitrou | 2010-04-27 11:51:18 +0200 (mar., 27 avril 2010) | 5 lines

  replace custom code with standard library functionality (HTTPServer.shutdown())
  + enable test that was never run (!)
  + make tests faster by lowering polling timeout
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  r80522 | antoine.pitrou | 2010-04-27 10:40:51 +0200 (mar., 27 avril 2010) | 3 lines

  Remove uses of find_unused_port() in test_ssl, and small cleanups
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original socket wasn't retained (instead, a socket with a positive timeout
would be turned into a non-blocking SSL socket).

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  r80451 | antoine.pitrou | 2010-04-24 21:57:01 +0200 (sam., 24 avril 2010) | 4 lines

  The do_handshake() method of SSL objects now adjusts the blocking mode of
  the SSL structure if necessary (as other methods already do).
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  r80452 | antoine.pitrou | 2010-04-24 22:04:58 +0200 (sam., 24 avril 2010) | 4 lines

  Issue #5103: SSL handshake would ignore the socket timeout and block
  indefinitely if the other end didn't respond.
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  r80434 | antoine.pitrou | 2010-04-24 12:43:57 +0200 (sam., 24 avril 2010) | 5 lines

  Make test_makefile_close a networked test (can't read() from a non-connected
  socket under OS X), and skip it under Windows (where sockets can't be read()
  from using their fds).
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Merged revisions 80428 via svnmerge from
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  r80428 | antoine.pitrou | 2010-04-24 01:25:45 +0200 (sam., 24 avril 2010) | 4 lines

  Issue #5238: Calling makefile() on an SSL object would prevent the
  underlying socket from being closed until all objects get truely destroyed.
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Merged revisions 80423 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r80423 | antoine.pitrou | 2010-04-24 00:54:59 +0200 (sam., 24 avril 2010) | 4 lines

  Issue #7943: Fix circular reference created when instantiating an SSL
  socket.  Initial patch by Péter Szabó.
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  r80375 | antoine.pitrou | 2010-04-22 20:00:41 +0200 (jeu., 22 avril 2010) | 3 lines

  Skip test on old versions of OpenSSL
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  r80314 | antoine.pitrou | 2010-04-21 21:28:03 +0200 (mer., 21 avril 2010) | 5 lines

  Issue #8484: Load all ciphers and digest algorithms when initializing
  the _ssl extension, such that verification of some SSL certificates
  doesn't fail because of an "unknown algorithm".
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  r80315 | antoine.pitrou | 2010-04-21 21:36:23 +0200 (mer., 21 avril 2010) | 3 lines

  Forgot to add the sample certificate (followup to r80314)
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  r80151 | antoine.pitrou | 2010-04-17 19:10:38 +0200 (sam., 17 avril 2010) | 4 lines

  Issue #8322: Add a *ciphers* argument to SSL sockets, so as to change the
  available cipher list.  Helps fix test_ssl with OpenSSL 1.0.0.
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