Ssh2-python

+++++++

Changes
--------

* Added ``Session.sock`` public attribute for getting socket used by ``Session``.
* Source distribution default ``libssh2`` build target updated to upstream ``libssh2`` master branch.
* Added bundled libssh2 source code for current master branch to repository and source distribution.
* Added automatic build of bundled libssh2 code for source builds and ``SYSTEM_LIBSSH2`` environment variable to control building and linking against system provided libssh2. This will require additional steps for Windows platforms and older libssh2 versions - see documentation.
* Updated binary wheels for all platforms to latest libssh2.
* Added keep alive API implementation - 47.

+++++++

Changes
--------

* Updated ``session.userauth_publickey*`` functions to make providing public key and private key passphrase optional.
* SFTP write calls write on all parts of buffer before returning.

Fixes
------

* ``session.last_error()`` would always return empty string.

+++++++

Changes
--------

* ``SFTP``, ``SFTPHandle``, ``Listener`` and ``PublicKeySystem`` functions updated to raise specific exceptions for all known ``libssh2`` errors.
* Removed exceptions ``SFTPHandleError``, ``SFTPBufferTooSmall`` and ``SFTPIOError`` that do not have corresponding ``libssh2`` error codes.
* Re-generated all C code with latest Cython release.

Fixes
------

* Removed duplicate libssh2 definitions.
* Re-enabled system package releases.
* System package builds would not work correctly - 25.

+++++++

Changes
---------

* Upgrade embedded ``libssh2`` in binary wheels to latest version plus enhancements.
* Adds support for ECDSA host and client keys.
* Adds support for SHA-256 host key fingerprints.
* Added SSH agent forwarding implementation.
* Windows wheels switched to OpenSSL back end.
* Windows wheels include zlib and have compression enabled.
* Windows wheels no MAC and no encryption options enabled, same as posix wheels.
* SCP functions now raise appropriate exception for all known libssh2 error codes.
* ``ssh2.session.Session.disconnect`` now returns ``0`` on success and raises exceptions on errors.
* All session ``userauth_*`` functions now raise specific exceptions.

Fixes
-------

* SCP functions could not be used in non-blocking mode.

Note - libssh2 changes apply to binary wheels only. For building from source `see documentation <http://ssh2-python.readthedocs.io/en/latest/installation.html#installation-from-source>`_.

++++++++

Changes
---------

* Session functions now raise exceptions.
* Channel functions now raise specific exceptions.
* SCP errors now raise exceptions.
* SFTP open handle errors now raise exceptions.
* Added exceptions for all known libssh2 error codes.
* Added ``ssh2.utils.handle_error_codes`` function for raising appropriate exception from error code.
* Added file types to ``ssh2.sftp``.

Fixes
------

* Double de-allocation crash on objects being garbage collected in some rare cases.

++++++++

Changes
---------

* Added ``ssh2.channel.Channel.shell`` for opening interactive shells.


Fixes
------

* ``ssh2.channel.Channel.process_startup`` would not handle request types with no message correctly.