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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: Michal Minar <miminar@redhat.com>
"""
Abstraction for RPM package for test purposes.
"""
import json
import util
class Package(object): #pylint: disable=R0902
"""
Element of test package database. It's a container for package
informations. It contains two sets of versions for single package.
That's meant for updating tests.
"""
def __init__(self, name, epoch, ver, rel, arch, repo,
**kwargs):
"""
Arguments prefixed with 'up_' are for newer package.
"""
self._name = name
if not epoch or epoch.lower() == "(none)":
epoch = "0"
self._epoch = epoch
self._ver = ver
self._rel = rel
self._arch = arch
self._repo = repo
safe = kwargs.get('safe', False)
self._up_epoch = epoch if safe else kwargs.get('up_epoch', epoch)
self._up_ver = ver if safe else kwargs.get('up_ver' , ver)
self._up_rel = rel if safe else kwargs.get('up_rel' , rel)
self._up_repo = repo if safe else kwargs.get('up_repo', repo)
def __str__(self):
return self.get_nevra()
@property
def name(self): return self._name #pylint: disable=C0111,C0321
@property
def epoch(self): return self._epoch #pylint: disable=C0111,C0321
@property
def ver(self): return self._ver #pylint: disable=C0111,C0321
@property
def rel(self): return self._rel #pylint: disable=C0111,C0321
@property
def arch(self): return self._arch #pylint: disable=C0111,C0321
@property
def repo(self): return self._repo #pylint: disable=C0111,C0321
@property
def nevra(self): #pylint: disable=C0111,C0321
return self.get_nevra(False)
@property
def evra(self): #pylint: disable=C0111,C0321
return self.get_evra(False)
@property
def up_epoch(self): return self._up_epoch #pylint: disable=C0111,C0321
@property
def up_ver(self): return self._up_ver #pylint: disable=C0111,C0321
@property
def up_rel(self): return self._up_rel #pylint: disable=C0111,C0321
@property
def up_repo(self): return self._up_repo #pylint: disable=C0111,C0321
@property
def up_nevra(self): #pylint: disable=C0111,C0321
return self.get_nevra(True)
@property
def up_evra(self): #pylint: disable=C0111,C0321
return self.get_evra(True)
@property
def is_safe(self):
"""
@return True if properties prefixed with up_ matches those without
it. In that case a package is suited for non-dangerous tests.
"""
return all( getattr(self, a) == getattr(self, 'up_' + a)
for a in ('epoch', 'ver', 'rel', 'repo'))
def get_nevra(self, newer=True, with_epoch='NOT_ZERO'):
"""
@newer if True, evr part is made from properties prefixed with 'up_'
@return pkg nevra string
"""
if newer:
attrs = ['name', 'up_epoch', 'up_ver', 'up_rel', 'arch']
else:
attrs = ['name', 'epoch', 'ver', 'rel', 'arch']
return util.make_nevra(*[getattr(self, '_'+a) for a in attrs],
with_epoch=with_epoch)
def get_evra(self, newer=True):
"""
@newer if True, evr part is made from properties prefixed with 'up_'
@return pkg nevra string
"""
attrs = [('up_' if newer else '')+a for a in ('epoch', 'ver', 'rel')]
attrs.append('arch')
return util.make_evra(*[getattr(self, '_'+a) for a in attrs])
class PackageEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, Package):
return obj.__dict__
return json.JSONEncoder.default(self, obj)
def from_json(json_object):
if '_arch' in json_object:
kwargs = {k[1:]: v for k, v in json_object.items()}
return Package(**kwargs)
return json_object
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