Dear MySQL users,


MySQL Connector/Python 8.0.5 dmr is the sixth development release of the
MySQL Connector Python 8.0 series. This series adds support for the new X
DevAPI. The X DevAPI enables application developers to write code that
combines the strengths of the relational and document models using a
modern, NoSQL-like syntax that does not assume previous experience
writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see
http://dev.mysql.com/doc/x-devapi-userguide/en/. For more information
about how the X DevAPI is implemented in MySQL Connector/Python, and its
usage, see http://dev.mysql.com/doc/dev/connector-python.

Please note that the X DevAPI requires MySQL Server version 5.7.12 or
higher with the X Plugin enabled. For general documentation about how to
get started using MySQL as a document store, see
http://dev.mysql.com/doc/refman/5.7/en/document-store.html.

To download MySQL Connector/Python 8.0.5 dmr, see the "Development
Releases" tab at http://dev.mysql.com/downloads/connector/python/

Enjoy!

Changes in MySQL Connector/Python 8.0.5 (2017-09-28, Development Milestone)

* Packaging Notes

* Functionality Added or Changed

Packaging Notes

* MySQL Connector/Python packages are now available in two
formats: Pure Python packages that contain only Python
files, and packages that contain the Python files plus
the C Extension and C Protobuf extension. Exception
platforms are Solaris, macOS, and Windows, for which
packages containing the Python files and C extensions are
available but not pure Python packages. (Bug #26648417)

Functionality Added or Changed

* MySQL Connector/Python now supports connections to MySQL
accounts that use the caching_sha2_password
authentication plugin (see SHA-2 Pluggable Authentication
(http://dev.mysql.com/doc/refman/8.0/en/caching-sha2-plug
gable-authentication.html)). This requires MySQL server
version 8.0.3 or higher. It also requires use of a secure
connection because Connector/Python does not support RSA
encryption for password exchange.

* MySQL Connector/Python now supports an auth connection
option to specify the authentication methanism. Permitted
values are plain, mysql41, and external. The option name
and value are not case sensitive.
If the authentication mechanism is not specified, it
defaults to plain for secure (TLS) or Unix socket
connections, or mysql41 for insecure connections.

* MySQL Connector/Python now supports a pure Python
implementation of Protobuf. Consequently, the Protobuf C
extension has become optional. Connector/Python will use
the Python implementation if the C extension is not
available. The Protobuf Python package is required if it
is desired not to use the C extension.
The version requirements are Protobuf C++ 2.6.0 or
higher, Protobuf Python 3.0.0 or higher.

* A mysqlx.sessions variable is now exposed to scripts that
can be used for session-related tasks such as saving or
loading session configuration information.

* These methods have been added for Collection:
add_or_replace_one(), get_one(), replace_one(), and
remove_one().

* These methods have been added for FindStatement and
SelectStatement, to enable shared and exclusive locks to
be acquired: lock_shared() and lock_exclusive().

* There is support for new forms of comparisons that use
the IN operator:
item IN list
item IN document path
dict IN dict

The left-hand-side value must be castable to the JSON
type.

Documentation
-------------

Online:http://dev.mysql.com/doc/connector-python/en/index.html
The source distribution includes the manual in various formats under
the docs/ folder.

Reporting Bugs
--------------

We welcome and appreciate your feedback and bug reports:
http://bugs.mysql.com/

On Behalf of the MySQL/Oracle Release Engineering Team,
Prashant Tekriwal


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