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: telemetry.py

# -*- coding: utf-8; Mode: Python; indent-tabs-mode: nil; tab-width: 4 -*-

# Copyright (C) 2018 Canonical Ltd.
#
# Functions useful for the final install.py script and for ubiquity
# plugins to use
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

import logging
import json
import os
import stat
import subprocess

def get():
    """Return a singleton _Telemetry instance."""
    if _Telemetry._telemetry is None:
        _Telemetry._telemetry = _Telemetry()
    return _Telemetry._telemetry

class _Telemetry():

_telemetry = None

def __init__(self):
        self._metrics = {}
        self._stages_hist = {}
        self._start_time = self._get_current_uptime()
        self._metrics["From"] = subprocess.Popen(
            ["lsb_release", "-r", "-s"], stdout=subprocess.PIPE,
            universal_newlines=True).communicate()[0].strip()
        self.add_stage('start')
        self._dest_path = '/var/log/upgrade/telemetry'
        try:
            with open('/var/log/installer/media-info') as f:
                self._metrics['InstallMedia'] = f.readline()
        except FileNotFoundError:
            pass

def _get_current_uptime(self):
        """Get current uptime info. None if we couldn't fetch it."""
        uptime = None
        try:
            with open('/proc/uptime') as f:
                uptime = float(f.read().split()[0])
        except (FileNotFoundError, OSError, ValueError) as e:
            logging.warning("Exception while fetching current uptime: " +
                            str(e))
        return uptime

def add_stage(self, stage_name):
        """Record installer stage with current time"""
        now = self._get_current_uptime()
        if self._start_time is None or now is None:
            return
        self._stages_hist[int(now - self._start_time)] = stage_name

def set_updater_type(self, updater_type):
        """Record updater type"""
        self._metrics['Type'] = updater_type

def set_using_third_party_sources(self, using):
        """Record if the user had third party sources"""
        self._metrics['ThirdPartySources'] = using

def done(self):
        """Close telemetry collection

Save to destination file"""

self._metrics['Stages'] = self._stages_hist

target_dir = os.path.dirname(self._dest_path)
        try:
            if not os.path.exists(target_dir):
                os.makedirs(target_dir)
            with open(self._dest_path, 'w') as f:
                json.dump(self._metrics, f)
            os.chmod(self._dest_path,
                     stat.S_IRUSR | stat.S_IWUSR |
                     stat.S_IRGRP | stat.S_IROTH)
        except OSError as e:
            logging.warning("Exception while storing telemetry data: " +
                            str(e))

# vim:ai:et:sts=4:tw=80:sw=4: