# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2010-2014 Vifib SARL and Contributors. # All Rights Reserved. # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # guarantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public License # as published by the Free Software Foundation; either version 2.1 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## """ Provides helper functions to check if two binary caches are compatible. os_matches(...): returns True if the arguments reference compatible platforms. distribution_tuple() returns a (distname, version, id) tuple under linux """ import distro def _debianize(os_): """ keep only the major release number in case of debian, otherwise minor releases would be seen as not compatible to each other. """ distname, version, id_ = os_ distname_lower = distname.lower() if distname_lower == 'debian' and '.' in version: version = version.split('.')[0] return distname_lower, version, id_ def os_matches(os1, os2): return _debianize(os1) == _debianize(os2) def distribution_tuple(): distname = distro.id() version = distro.version() if distname == 'raspbian': distname = 'debian' # we return something compatible with older platform.linux_distribution() # id (last field of the tuple) was always empty return distname, version, ''