golden hour

/usr/lib/python3/dist-packages/DistUpgrade

File/Folder	Size	Actions
DistUpgradeApport.py	4.95 KB
DistUpgradeAptCdrom.py	12.39 KB
DistUpgradeCache.py	52.93 KB
DistUpgradeConfigParser.py	3.75 KB
DistUpgradeController.py	101.89 KB
DistUpgradeFetcher.py	5.87 KB
DistUpgradeFetcherCore.py	11.2 KB
DistUpgradeFetcherKDE.py	9.72 KB
DistUpgradeFetcherSelf.py	2.02 KB
DistUpgradeGettext.py	2.97 KB
DistUpgradeMain.py	9.1 KB
DistUpgradePatcher.py	3.92 KB
DistUpgradeQuirks.py	49.04 KB
DistUpgradeVersion.py	21 B
DistUpgradeView.py	16.43 KB
DistUpgradeViewGtk3.py	33.85 KB
DistUpgradeViewKDE.py	42.11 KB
DistUpgradeViewNonInteractive.py	13.54 KB
DistUpgradeViewText.py	12.53 KB
GtkProgress.py	3.93 KB
MetaRelease.py	17.06 KB
QUrlOpener.py	3.24 KB
ReleaseNotesViewer.py	7.48 KB
ReleaseNotesViewerWebkit.py	2.91 KB
SimpleGtk3builderApp.py	2.01 KB
SimpleGtkbuilderApp.py	1.99 KB
__init__.py	0 B
__pycache__	-
apt_btrfs_snapshot.py	9.64 KB
apt_clone.py	32.81 KB
dist-upgrade.py	129 B
distro.py	23.15 KB
telemetry.py	3.4 KB
utils.py	17.92 KB
xorg_fix_proprietary.py	3.99 KB

Edit: DistUpgradeConfigParser.py

# DistUpgradeConfigParser.py 
#  
#  Copyright (c) 2004-2014 Canonical
#  
#  Author: Michael Vogt <michael.vogt@ubuntu.com>
# 
#  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 2 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, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#  USA

from configparser import NoOptionError, NoSectionError
from configparser import ConfigParser as SafeConfigParser
import subprocess
import os.path
import logging
import glob

CONFIG_OVERRIDE_DIR = "/etc/update-manager/release-upgrades.d"

class DistUpgradeConfig(SafeConfigParser):
    def __init__(self, datadir, name="DistUpgrade.cfg", 
                 override_dir=None, defaults_dir=None):
        SafeConfigParser.__init__(self)
        # we support a config overwrite, if DistUpgrade.cfg.dapper exists
        # and the user runs dapper, that one will be used
        from_release = subprocess.Popen(
            ["lsb_release", "-c", "-s"], stdout=subprocess.PIPE,
            universal_newlines=True).communicate()[0].strip()
        self.datadir = datadir
        maincfg = os.path.join(datadir, name)
        if os.path.exists(maincfg + "." + from_release):
            maincfg += "." + from_release
        # defaults are read first
        self.config_files = []
        if defaults_dir:
            for cfg in glob.glob(defaults_dir + "/*.cfg"):
                self.config_files.append(cfg)
        # our config file
        self.config_files += [maincfg]
        # overrides are read later
        if override_dir is None:
            override_dir = CONFIG_OVERRIDE_DIR
        if override_dir is not None:
            for cfg in glob.glob(override_dir + "/*.cfg"):
                self.config_files.append(cfg)
        self.read(self.config_files)

def getWithDefault(self, section, option, default):
        try:
            if type(default) == bool:
                return self.getboolean(section, option)
            elif type(default) == float:
                return self.getfloat(section, option)
            elif type(default) == int:
                return self.getint(section, option)
            return self.get(section, option)
        except (NoSectionError, NoOptionError):
            return default

def getlist(self, section, option):
        try:
            tmp = self.get(section, option)
        except (NoSectionError, NoOptionError):
            return []
        items = [x.strip() for x in tmp.split(",")]
        return items

def getListFromFile(self, section, option):
        try:
            filename = self.get(section, option)
        except NoOptionError:
            return []
        p = os.path.join(self.datadir, filename)
        if not os.path.exists(p):
            logging.error("getListFromFile: no '%s' found" % p)
        with open(p) as f:
            items = [x.strip() for x in f]
        return [s for s in items if not s.startswith("#") and not s == ""]

if __name__ == "__main__":
    c = DistUpgradeConfig(".")
    print(c.getlist("Distro", "MetaPkgs"))
    print(c.getlist("Distro", "ForcedPurges"))
    print(c.getListFromFile("Sources", "ValidMirrors"))
    print(c.getWithDefault("Distro", "EnableApport", True))
    print(c.set("Distro", "Foo", "False"))
    print(c.getWithDefault("Distro", "Foo", True))