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#!/usr/bin/python
# -*- Coding:utf-8 -*-
#
# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
#
# This library 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 library 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
# Lesser General Public License for more details. #
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Authors: Radek Novacek <rnovacek@redhat.com>
# Authors: Michal Minar <miminar@redhat.com>
"""
Common test utilities.
"""
import re
from subprocess import check_output
RE_NEVRA = re.compile(
r'^(?P<name>.+)-(?P<evra>(?P<epoch>\d+):(?P<ver>[^-]+)'
r'-(?P<rel>.+)\.(?P<arch>[^.]+))$')
RE_NEVRA_OPT_EPOCH = re.compile(
r'^(?P<name>.+)-(?P<evra>((?P<epoch>\d+):)?(?P<ver>[^-]+)'
r'-(?P<rel>.+)\.(?P<arch>[^.]+))$')
RE_ENVRA = re.compile(
r'^(?P<epoch>\d+|\(none\)):(?P<name>.+)-(?P<ver>[^-]+)'
r'-(?P<rel>.+)\.(?P<arch>[^.]+)$')
def make_nevra(name, epoch, ver, rel, arch, with_epoch='NOT_ZERO'):
"""
@param with_epoch may be one of:
"NOT_ZERO" - include epoch only if it's not zero
"ALWAYS" - include epoch always
"NEVER" - do not include epoch at all
"""
estr = ''
if with_epoch.lower() == "always":
estr = epoch
elif with_epoch.lower() == "not_zero":
if epoch and epoch.lower() not in {"0", "(none)"}:
estr = epoch
if len(estr):
estr += ":"
return "%s-%s%s-%s.%s" % (name, estr, ver, rel, arch)
def make_evra(epoch, ver, rel, arch):
""" @return evra string """
if not epoch or epoch.lower() == "(none)":
epoch = "0"
return "%s:%s-%s.%s" % (epoch, ver, rel, arch)
def run_yum(*params, **kwargs):
"""
Runs yum with params and returns its output
It's here especially to allow pass a repolist argument, that
specifies list of repositories, to run the command on.
"""
cmd = ['yum'] + list(params)
repolist = kwargs.get('repolist', None)
if repolist is None:
repolist = []
if repolist:
cmd += ['--disablerepo=*']
cmd += ['--enablerepo='+r for r in repolist]
return check_output(cmd)
def get_system_architecture():
"""
@return the system architecture name as seen by rpm
"""
return check_output(['rpm', '-q', '--qf', '%{ARCH}\n', 'rpm'])
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