keystone/releasenotes/notes/bug-1820333-356dcc8bf9f73fe...

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[`bug 1798184 <https://bugs.launchpad.net/keystone/+bug/1798184>`_]
[`bug 1820333 <https://bugs.launchpad.net/keystone/+bug/1820333>`_]
In Python 3, python-ldap no longer allows bytes for some fields (DNs,
RDNs, attribute names, queries). Instead, text values are represented
as str, the Unicode text type. Compatibility support is provided for
Python 2 by setting bytes_mode=False [1].
The keystone LDAP backend is updated to adhere to this behavior by using
bytes_mode=False for Python 2 and dropping UTF-8 encoding and decoding
fields that are now represented as text in python-ldap.
[1] More details about byte/str usage in python-ldap can be found at:
http://www.python-ldap.org/en/latest/bytes_mode.html#bytes-mode
Note that at a minimum python-ldappool 2.3.1 is required.