~ubuntu-branches/ubuntu/karmic/computer-janitor/karmic

# landscape_stub_plugin.py

# Copyright (C) 2009  Canonical, Ltd.

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, version 3 of the License.

#

# 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 General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import os

import computerjanitor

import computerjanitorapp

_ = computerjanitorapp.setup_gettext()

class LandscapePackageCruft(computerjanitor.PackageCruft):

    def __init__(self, app, pkg, description):

        computerjanitor.PackageCruft.__init__(self, pkg, description)

        self.app = app

    def cleanup(self):

        self.app.apt_cache.markRemove(self._pkg.name, 

                                  "custom landscape stub removal rule")

        if self.app.apt_cache.has_key("landscape-common"):

            self.app.apt_cache["landscape-common"].markKeep()

            self.app.apt_cache.markInstall("landscape-common", 

                                       "custom landscape-common stub install rule (to ensure its nor marked for auto-remove)")

class LandscapeStubPlugin(computerjanitor.Plugin):

    """Plugin to remove landscape-client (in desktop mode).

       It was a stub anyway and is more useful on the server """

    description = _("Remove landscape-client stub")

    def __init__(self):

        self.condition = ["from_hardyPostDistUpgradeCache"]

    def get_cruft(self):

        if not hasattr(self.app, "serverMode"): # pragma: no cover

            return

        name = "landscape-client"

        ver = "0.1"

        if not self.app.serverMode:

            if (self.app.apt_cache.has_key(name) and

                self.app.apt_cache[name].installedVersion == ver):

                yield LandscapePackageCruft(self.app,

                                            self.app.apt_cache[name],

                                            self.description)