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# -*- 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, ''