~doctormo/gnome-wallchanger/trunk

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#
# Copyright 2009, Martin Owens.
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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/>.
#
"""
Load plugins and list all wallpaper randomised listing objects.
"""

from gwc.base import listers
from gwc.loader import load_modules
import gwc.plugins

load_modules(gwc.plugins)

def get_lister(name, config):
    """Return the correct wallpaper listing object based on name"""
    if not name or name == '' or name == 'None' or name == 'gnome':
        name = 'default'
    item = listers[name]
    if item:
        vars = []
        for name in item.variables:
            vars.append(unicode(config[name]))
        return item(*vars)
    return None