Merge 3.4
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9558e90315
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@ -816,7 +816,7 @@ SSL sockets also have the following additional methods and attributes:
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instead, and return the number of bytes read.
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Raise :exc:`SSLWantReadError` or :exc:`SSLWantWriteError` if the socket is
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non-blocking and the read would block.
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:ref:`non-blocking <ssl-nonblocking>` and the read would block.
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As at any time a re-negotiation is possible, a call to :meth:`read` can also
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cause write operations.
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@ -827,7 +827,7 @@ SSL sockets also have the following additional methods and attributes:
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*buf* argument must be an object supporting the buffer interface.
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Raise :exc:`SSLWantReadError` or :exc:`SSLWantWriteError` if the socket is
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non-blocking and the write would block.
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:ref:`non-blocking <ssl-nonblocking>` and the write would block.
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As at any time a re-negotiation is possible, a call to :meth:`write` can
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also cause read operations.
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@ -1729,6 +1729,14 @@ thus several things you need to be aware of:
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except ssl.SSLWantWriteError:
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select.select([], [sock], [])
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.. seealso::
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The :mod:`asyncio` module supports non-blocking SSL sockets and provides a
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higher level API. It polls for events using the :mod:`selectors` module and
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handles :exc:`SSLWantWriteError`, :exc:`SSLWantReadError` and
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:exc:`BlockingIOError` exceptions. It runs the SSL handshake asynchronously
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as well.
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Memory BIO Support
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------------------
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