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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
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| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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#-*- coding: utf-8 -*-
# ipackageManager.py
# This class should be inherited by any other package manager
#
# Copyright (C) 2016 Jakub Kadlcik
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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 General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
class IPackageManager(object):
def __init__(self, **kwargs):
"""This class is 'interface' so you can't create an instance"""
raise NotImplementedError
def packages_newer_than(self, unix_time):
"""
Returns list of packages which were modified between unix_time and present
Packages in list should be dictionaries with keys {"name", "modified"}
"""
raise NotImplementedError
def package_files(self, pkg_name):
"""Returns list of files provided by package"""
raise NotImplementedError
def load_package_info(self, package):
"""From database load informations about given package and set them to it"""
raise NotImplementedError
def provided_by(self, app):
"""Returns name of package which provides given application"""
raise NotImplementedError
def find_package(self, pkg_name, search):
"""Find a package by name and some other input criteria"""
raise NotImplementedError
def compare_packages(self, package1, package2):
"""
Compares two packages by their version information
Returns:
0 if they are equal
1 if package1 > package2
-1 if package2 > package1
"""
raise NotImplementedError
@staticmethod
def _pkg_name_without_version(pkg_name):
try:
pkg_name = pkg_name[:pkg_name.index('.')] # Cut from first . to end
pkg_name = pkg_name[:pkg_name.rindex('-')] # Cut from last - to end
except ValueError: pass
return pkg_name