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# Copyright 2016 Lars Wirzenius
#
# 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/>.
#
# =*= License: GPL-3+ =*=
import re
patterns = {
'debian_codename': r'^VERSION="\d+ \((.*)\)"$',
'debian_release': r'^VERSION="(\d+) ',
'pretty_codename': r'^PRETTY_NAME="Debian GNU/Linux .*/(sid)"$',
}
def parse_os_release(text):
o = OsRelease()
found_anything = False
for line in text.splitlines():
for name, pattern in patterns.items():
m = re.match(pattern, line)
if m:
setattr(o, name, m.group(1))
found_anything = True
if found_anything:
return o
raise NoOsReleaseInformation(text)
class OsRelease(object):
def __init__(self):
self.debian_codename = None
self.pretty_codename = None
self.debian_release = None
class NoOsReleaseInformation(Exception):
def __init__(self, text):
super(NoOsReleaseInformation, self).__init__(
"Can't parse /etc/os-release: %r" % text)
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