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lsb.py
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2009-11-05
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#
# This file is part of Checkbox.
#
# Copyright 2008 Canonical Ltd.
#
# Checkbox 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.
#
# Checkbox 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 Checkbox. If not, see <http://www.gnu.org/licenses/>.
#
from checkbox.lib.cache import cache
from checkbox.properties import String
from checkbox.registries.command import CommandRegistry
class LsbRegistry(CommandRegistry):
"""Registry for LSB information.
Each item contained in this registry consists of the information
returned by the lsb_release command.
"""
# Command to retrieve LSB information.
command = String(default="lsb_release -a 2>/dev/null")
default_map = {
"Distributor ID": "distributor_id",
"Description": "description",
"Release": "release",
"Codename": "codename"}
def __init__(self, filename=None, map=None):
super(LsbRegistry, self).__init__(filename)
self._map = map or self.default_map
@cache
def items(self):
items = []
for line in [l for l in self.split("\n") if l]:
(key, value) = line.split(":\t", 1)
if key in self._map:
key = self._map[key]
items.append((key, value))
return items
factory = LsbRegistry