handle lgc.adbh api changes within regards of backup/restore:
* new backup_commands method instead of backup_command
* some backend still return command as string as expected by os.system, not subprocess.call
"""
:organization: Logilab
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
support_entities = {'Card': True, 'Affaire': True, 'State': True}
support_relations = {'in_state': True, 'documented_by': True, 'multisource_inlined_rel': True}