libs/moblin_pkgbase.py

   1 #!/usr/bin/python -tt
   2 # vim: ai ts=4 sts=4 et sw=4
   3
   4 #    Copyright (c) 2007 Intel Corporation
   5 #
   6 #    This program is free software; you can redistribute it and/or modify it
   7 #    under the terms of the GNU General Public License as published by the Free
   8 #    Software Foundation; version 2 of the License
   9 #
  10 #    This program is distributed in the hope that it will be useful, but
  11 #    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12 #    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 #    for more details.
  14 #
  15 #    You should have received a copy of the GNU General Public License along
  16 #    with this program; if not, write to the Free Software Foundation, Inc., 59
  17 #    Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19 # The purpose of this library is to provide an abstraction layer to the package
  20 # management functionality.  This will provide the base class.  This way the
  21 # image-creator will not care if you are using apt or yum or whatever package
  22 # management system you want to use.
  23
  24 class PackageManager(object):
  25     """Base class for the package management classes"""
  26
  27     def __init__(self):
  28         raise NotImplementedError
  29
  30     def installPackages(self, chroot_dir, package_list):
  31         """Install the list of packages in the chroot environment"""
  32         raise NotImplementedError
  33
  34     def updateChroot(self, chroot_dir):
  35         """Update the chroot environment to have the latest packages"""
  36         raise NotImplementedError
  37
  38     def cleanPackageCache(self, chroot_dir):
  39         """Clean out any cached package files"""
  40         raise NotImplementedError