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ubuntu-mate-welcome
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ubuntu-mate-welcome
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#! /usr/bin/python3
# -*- coding:utf-8 -*-
#
# Copyright 2012-2013 "Korora Project" <dev@kororaproject.org>
# Copyright 2013 "Manjaro Linux" <support@manjaro.org>
# Copyright 2014 Antergos
# Copyright 2015-2016 Martin Wimpress <code@flexion.org>
# Copyright 2015-2020 Luke Horwell <luke@ubuntu-mate.org>
#
# Ubuntu MATE Welcome 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.
#
# Ubuntu MATE Welcome 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 Ubuntu MATE Welcome. If not, see <http://www.gnu.org/licenses/>.
#
""" Welcome screen for Ubuntu MATE """
import gi
gi.require_version("Gdk", "3.0")
gi.require_version("Gtk", "3.0")
gi.require_version("Notify", "0.7")
gi.require_version("WebKit2", "4.0")
import apt
#import distro
import colorsys
import errno
import gettext
import inspect
import json
import locale
import os
import random
import signal
import socket
import subprocess
import sys
import time
import webbrowser
import re
import math
import urllib.error
import urllib.parse
import urllib.request
from aptdaemon.client import AptClient
from aptdaemon.gtk3widgets import AptErrorDialog, AptConfirmDialog, \
AptProgressDialog
import aptdaemon.errors
from aptdaemon.enums import *
from gi.repository import GLib, Gio, GObject, Gdk, Gtk, Notify, WebKit2
from threading import Thread
from shutil import which
from subprocess import DEVNULL, PIPE
# FIXME! Temporary workaround to make sure the snap works even if proctitle is not installed on the host.
try:
import setproctitle
proctitle_available = True
except ImportError:
proctitle_available = False
__VERSION__ = '21.10.0'
UBUNTU_MATE_COLOURS = ['Aqua', 'Blue', 'Brown', 'Orange', 'Pink', 'Purple', 'Red', 'Teal', 'Yellow']
UBUNTU_MATE_WALLPAPERS = [
'[]-Jazz.jpg',
'[]-Wall-Logo-Text.png',
'[]-Wall-Logo.png',
'[]-Wall.png',
'Ubuntu-MATE-Splash.jpg'
]
##################################
# Miscellaneous
##################################
def get_string(schema, path, key):
if path:
settings = Gio.Settings.new_with_path(schema, path)
else:
settings = Gio.Settings.new(schema)
return settings.get_string(key)
def goodbye(a=None, b=None):
# NOTE: _a_ and _b_ are passed via the close window 'delete-event'.
''' Closing the program '''
# Refuse to quit if operations are in progress.
if dynamicapps.operations_busy:
dbg.stdout('Welcome', 'Refusing to quit with software changes in progress!', 0, 1)
title = string.boutique
text_busy = _('Software changes are in progress. Please allow them to complete before closing Welcome.')
ok_label = _("OK")
if which('zenity'):
dialog_app = which('zenity')
elif which('yad'):
dialog_app = which('yad')
else:
dialog_app = None
if dialog_app is not None:
messagebox = subprocess.Popen([dialog_app,
'--error',
'--title=' + title,
"--text=" + text_busy,
"--ok-label=" + ok_label,
'--width=400',
'--window-icon=error',
'--timeout=9'])
return 1
else:
dbg.stdout('Welcome', 'Application Closed', 0, 0)
Gtk.main_quit()
# Be quite forceful, particularly those child screenshot windows.
exit()
def whereami():
""" Determine data source """
current_folder = os.path.dirname( os.path.abspath(inspect.getfile(inspect.currentframe())) )
if( os.path.exists( os.path.join(current_folder, 'data/' ) ) ):
dbg.stdout('Welcome', 'Using relative path for data source. Non-production testing.', 1, 0)
data_path = os.path.join(current_folder, 'data/')
elif( os.path.exists('/usr/share/ubuntu-mate-welcome/') ):
dbg.stdout('Welcome', 'Using /usr/share/ubuntu-mate-welcome/ path.', 1, 0)
data_path = '/usr/share/ubuntu-mate-welcome/'
elif( os.path.exists(os.environ.get('SNAP') + '/usr/share/ubuntu-mate-welcome/') ):
dbg.stdout('Welcome', 'Using ' + os.environ.get('SNAP') + '/usr/share/ubuntu-mate-welcome/ path.', 1, 0)
data_path = os.environ.get('SNAP') + '/usr/share/ubuntu-mate-welcome/'
else:
dbg.stdout('Welcome', 'Unable to source the ubuntu-mate-welcome data directory.', 0, 1)
sys.exit(1)
return data_path
def notify_send(title, description, icon_path):
"""
Send system notification to the user.
"""
try:
Notify.init(_("Software Boutique"))
notification=Notify.Notification.new(title, description, icon_path)
notification.show()
except Exception as e:
dbg.stdout("Notify", "Exception while sending notification: " + str(e), 0, 1)
def run_external_command(command, with_shell=False):
# Runs external commands and cleans up the output.
if with_shell:
raw = str(subprocess.Popen(command, stdout=subprocess.PIPE, shell=True).communicate()[0])
else:
raw = str(subprocess.Popen(command, stdout=subprocess.PIPE).communicate()[0])
output = raw.replace("b'","").replace('b"',"").replace("\\n'","").replace("\\n","\n")
return output
##################################
# Apt and Installation Operations
##################################
class SimpleApt(object):
def __init__(self, packages, action, program_id=None):
self._timeout = 100
self.packages = packages
self.action = action
self.source_to_update = None
self.update_cache = False
self.loop = GLib.MainLoop()
self.client = AptClient()
self.program_id = program_id
def on_error(self, error):
dynamicapps.operations_busy = False
if isinstance(error, aptdaemon.errors.NotAuthorizedError):
# Silently ignore auth failures
return
elif not isinstance(error, aptdaemon.errors.TransactionFailed):
# Catch internal errors of the client
error = aptdaemon.errors.TransactionFailed(ERROR_UNKNOWN,
str(error))
error_dialog = AptErrorDialog(error)
error_dialog.run()
error_dialog.hide()
def on_finished_fix_incomplete_install(self, transaction, status):
dynamicapps.operations_busy = False
self.loop.quit()
if status == 'exit-success':
notify_send( _("Successfully performed fix."), _("Any previously incomplete installations have been finished."), data_path + 'img/notify/fix-success.svg' )
return True
else:
notify_send( _("Failed to perform fix."), _("Errors occurred while finishing an incomplete installation."), data_path + 'img/notify/fix-error.svg' )
return False
def on_finished_fix_broken_depends(self, transaction, status):
dynamicapps.operations_busy = False
self.loop.quit()
if status == 'exit-success':
notify_send( _("Successfully performed fix."), _("Packages with broken dependencies have been resolved."), data_path + 'img/notify/fix-success.svg')
return True
else:
notify_send( _("Failed to perform fix."), _("Packages may still have broken dependencies."), data_path + 'img/notify/fix-error.svg')
return False
def on_finished_update(self, transaction, status):
dynamicapps.operations_busy = False
# Show notification if user forces cache update.
if self.action == 'update':
self.loop.quit()
if status == 'exit-success':
notify_send(_("Successfully updated cache."), _("Software is now ready to install."), data_path + 'img/notify/fix-success.svg')
return True
else:
notify_send( _("Failed to update cache."), _("There may be a problem with your repository configuration."), data_path + 'img/notify/fix-error.svg')
return False
elif self.action == 'install':
if status != 'exit-success':
self.do_notify(status)
self.loop.quit()
return False
GLib.timeout_add(self._timeout,self.do_install)
return True
elif self.action == 'upgrade':
if status != 'exit-success':
self.do_notify(status)
self.loop.quit()
return False
GLib.timeout_add(self._timeout,self.do_upgrade)
return True
def on_finished_install(self, transaction, status):
dynamicapps.operations_busy = False
self.loop.quit()
if status != 'exit-success':
return False
else:
self.do_notify(status)
def on_finished_remove(self, transaction, status):
dynamicapps.operations_busy = False
self.loop.quit()
if status != 'exit-success':
return False
else:
self.do_notify(status)
def on_finished_upgrade(self, transaction, status):
dynamicapps.operations_busy = False
self.loop.quit()
if status != 'exit-success':
return False
else:
self.do_notify(status)
def do_notify(self, status):
# Notifications for individual applications.
if self.program_id:
name = dynamicapps.get_attribute_for_app(self.program_id, 'name')
img = dynamicapps.get_attribute_for_app(self.program_id, 'img')
img_path = os.path.join(data_path, 'img', 'applications', img + '.png')
if not os.path.exists(img_path):
img_path = 'package'
dbg.stdout('Apps', 'Changed status for "' + self.program_id + '": ' + status, 0, 3)
# Show a different notification for Welcome Updates
if self.program_id == 'ubuntu-mate-welcome' and status == 'exit-success':
notify_send( _("Welcome will stay up-to-date."), \
_("Welcome and the Software Boutique are set to receive the latest updates."), \
os.path.join(data_path, 'img', 'welcome', 'ubuntu-mate-icon.svg'))
return
# Show a different notification for "Upgrade Installed Packages" fix
if self.program_id == 'ubuntu-standard' and status == 'exit-success':
notify_send( _("Everything is up-to-date"), \
_("All packages have been upgraded to the latest versions."), \
os.path.join(data_path, 'img', 'welcome', 'ubuntu-mate-icon.svg'))
return
if self.action == 'install':
title_success = name + ' ' + _('Installed')
descr_success = _("The application is now ready to use.")
title_cancel = name + ' ' + _("was not installed.")
descr_cancel = _("The operation was cancelled.")
title_error = name + ' ' + _("failed to install")
descr_error = _("There was a problem installing this application.")
elif self.action == 'remove':
title_success = name + ' ' + _('Removed')
descr_success = _("The application has been uninstalled.")
title_cancel = name + ' ' + _("was not removed.")
descr_cancel = _("The operation was cancelled.")
title_error = name + ' ' + _("failed to remove")
descr_error = _("A problem is preventing this application from being removed.")
elif self.action == 'upgrade':
title_success = name + ' ' + _('Upgraded')
descr_success = _("This application is set to use the latest version.")
title_cancel = name + ' ' + _("was not upgraded.")
descr_cancel = _("The application will continue to use the stable version.")
title_error = name + ' ' + _("failed to upgrade")
descr_error = _("A problem is preventing this application from being upgraded.")
# Do not show notifications when updating the cache
if self.action != 'update':
if status == 'exit-success':
notify_send(title_success, descr_success, img_path)
elif status == 'exit-cancelled':
notify_send(title_cancel, descr_cancel, img_path)
else:
notify_send(title_error, descr_error, img_path)
def do_fix_incomplete_install(self):
dynamicapps.operations_busy = True
# Corresponds to: dpkg --configure -a
apt_fix_incomplete = self.client.fix_incomplete_install()
apt_fix_incomplete.connect("finished",self.on_finished_fix_incomplete_install)
fix_incomplete_dialog = AptProgressDialog(apt_fix_incomplete)
fix_incomplete_dialog.run(close_on_finished=True, show_error=True,
reply_handler=lambda: True,
error_handler=self.on_error,
)
return False
dynamicapps.operations_busy = False
def do_fix_broken_depends(self):
dynamicapps.operations_busy = True
# Corresponds to: apt-get --fix-broken install
apt_fix_broken = self.client.fix_broken_depends()
apt_fix_broken.connect("finished",self.on_finished_fix_broken_depends)
fix_broken_dialog = AptProgressDialog(apt_fix_broken)
fix_broken_dialog.run(close_on_finished=True, show_error=True,
reply_handler=lambda: True,
error_handler=self.on_error,
)
return False
dynamicapps.operations_busy = False
def do_update(self):
if self.source_to_update:
apt_update = self.client.update_cache(self.source_to_update)
else:
apt_update = self.client.update_cache()
try:
apt_update.connect("finished",self.on_finished_update)
except AttributeError:
return
if pref.get('hide-apt-progress', False):
apt_update.run()
else:
update_dialog = AptProgressDialog(apt_update)
update_dialog.run(close_on_finished=True, show_error=True,
reply_handler=lambda: True,
error_handler=self.on_error,
)
return False
def do_install(self):
apt_install = self.client.install_packages(self.packages)
apt_install.connect("finished", self.on_finished_install)
if pref.get('hide-apt-progress', False):
apt_install.run()
else:
install_dialog = AptProgressDialog(apt_install)
install_dialog.run(close_on_finished=True, show_error=True,
reply_handler=lambda: True,
error_handler=self.on_error,
)
return False
def do_remove(self):
apt_remove = self.client.remove_packages(self.packages)
apt_remove.connect("finished", self.on_finished_remove)
if pref.get('hide-apt-progress', False):
apt_remove.run()
else:
remove_dialog = AptProgressDialog(apt_remove)
remove_dialog.run(close_on_finished=True, show_error=True,
reply_handler=lambda: True,
error_handler=self.on_error,
)
return False
def do_upgrade(self):
apt_upgrade = self.client.upgrade_system(True)
apt_upgrade.connect("finished", self.on_finished_upgrade)
upgrade_dialog = AptProgressDialog(apt_upgrade)
upgrade_dialog.run(close_on_finished=True, show_error=True,
reply_handler=lambda: True,
error_handler=self.on_error,
)
return False
def install_packages(self):
dynamicapps.operations_busy = True
if self.update_cache:
GLib.timeout_add(self._timeout,self.do_update)
else:
GLib.timeout_add(self._timeout,self.do_install)
self.loop.run()
dynamicapps.operations_busy = False
def remove_packages(self):
dynamicapps.operations_busy = True
GLib.timeout_add(self._timeout,self.do_remove)
self.loop.run()
dynamicapps.operations_busy = False
def upgrade_packages(self):
dynamicapps.operations_busy = True
if self.update_cache:
GLib.timeout_add(self._timeout,self.do_update)
else:
GLib.timeout_add(self._timeout,self.do_upgrade)
self.loop.run()
dynamicapps.operations_busy = False
def fix_incomplete_install(self):
dynamicapps.operations_busy = True
GLib.timeout_add(self._timeout,self.do_fix_incomplete_install)
self.loop.run()
dynamicapps.operations_busy = False
def fix_broken_depends(self):
dynamicapps.operations_busy = True
GLib.timeout_add(self._timeout,self.do_fix_broken_depends)
self.loop.run()
dynamicapps.operations_busy = False
def update_repos():
transaction = SimpleApt('', 'update')
transaction.update_cache = True
transaction.do_update()
def fix_incomplete_install():
transaction = SimpleApt('', 'fix-incomplete-install')
transaction.fix_incomplete_install()
def fix_broken_depends():
transaction = SimpleApt('', 'fix-broken-depends')
transaction.fix_broken_depends()
def mkdir_p(path):
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
def get_aacs_db():
home_dir = GLib.get_home_dir()
key_url = 'http://www.labdv.com/aacs/KEYDB.cfg'
key_db = os.path.join(home_dir, '.config', 'aacs', 'KEYDB.cfg')
mkdir_p(os.path.join(home_dir, '.config', 'aacs'))
dbg.stdout('AACS', 'Getting ' + key_url + ' and saving as ' + key_db, 0, 0)
# Download the file from `key_url` and save it locally under `file_name`:
try:
with urllib.request.urlopen(key_url) as response, open(key_db, 'wb') as out_file:
data = response.read() # a `bytes` object
out_file.write(data)
Notify.init(_('Blu-ray AACS database install succeeded'))
aacs_notify=Notify.Notification.new(_('Successfully installed the Blu-ray AACS database.'), _('Installation of the Blu-ray AACS database was successful.'), 'dialog-information')
aacs_notify.show()
except:
Notify.init(_('Blu-ray AACS database install failed'))
aacs_notify=Notify.Notification.new(_('Failed to install the Blu-ray AACS database.'), _('Installation of the Blu-ray AACS database failed.'), 'dialog-error')
aacs_notify.show()
class PreInstallation(object):
"""
See the JSON Structure in the `DynamicApps` class on
how to specify pre-configuration actions in `applications.json`
"""
def __init__(self):
# Always ensure we have the correct variables, not any overrides.
self.os_version = subprocess.run(['lsb_release','-rs'], stdout=subprocess.PIPE).stdout.decode('utf-8').strip('\n')
self.codename = subprocess.run(['lsb_release','-cs'], stdout=subprocess.PIPE).stdout.decode('utf-8').strip('\n')
dbg.stdout('Pre-Install', "System is running Ubuntu " + self.os_version + " (" + self.codename + ")", 1, 0)
def process_packages(self, program_id, action, preconfigure_only=False):
simulating = arg.simulate_software_changes
# Get category for this program, which can be used to retrieve data later.
category = dynamicapps.get_attribute_for_app(program_id, 'category')
fullname = dynamicapps.get_attribute_for_app(program_id, 'img')
img = dynamicapps.get_attribute_for_app(program_id, 'img')
try:
preconfig = dynamicapps.index[category][program_id]['pre-install']
except:
dbg.stdout('Pre-Install', 'Missing pre-configuration data for "' + program_id + '". Refusing to continue.', 0, 1)
return
try:
if action == 'install':
packages = dynamicapps.index[category][program_id]['install-packages']
dbg.stdout('Apps', 'Packages to be installed:\n ' + packages, 0, 0)
elif action == 'remove':
packages = dynamicapps.index[category][program_id]['remove-packages']
dbg.stdout('Apps', 'Packages to be removed:\n ' + packages, 0, 0)
elif action == 'upgrade':
packages = dynamicapps.index[category][program_id]['upgrade-packages']
dbg.stdout('Apps', 'Packages to be upgraded:\n ' + packages, 0, 0)
else:
dbg.stdout('Apps', 'Invalid action was requested.', 0, 1)
return
except:
dbg.stdout('Apps', 'No packages retrieved for requested action.', 0, 1)
return
# Validate that we have packages to work with.
if len(packages):
packages = packages.split(',')
else:
dbg.stdout('Apps', 'No package(s) supplied for "' + program_id + '".', 0, 1)
return
transaction = SimpleApt(packages, action, program_id)
# Function to run privileged commands.
def run_task(function):
if os.environ.get('SNAP'):
subprocess.call(['pkexec', os.environ.get('SNAP') + '/usr/lib/ubuntu-mate/ubuntu-mate-welcome-repository-installer', os.path.abspath(os.path.join(data_path, 'js/applications.json')), function, category, program_id, target])
else:
subprocess.call(['pkexec', '/usr/lib/ubuntu-mate/ubuntu-mate-welcome-repository-installer', os.path.abspath(os.path.join(data_path, 'js/applications.json')), function, category, program_id, target])
# Determine if any pre-configuration is specific to a codename.
try:
preinstall = dynamicapps.index[category][program_id]['pre-install']
codenames = list(preinstall.keys())
except:
dbg.stdout('Pre-Install', 'No data specified for "' + program_id + '". This application entry is invalid.', 0, 1)
return
dbg.stdout('Pre-Install', 'Available configurations: ' + str(codenames), 1, 0)
target = None
for codename in codenames:
for name in codename.split(","):
if name == self.codename:
target = codename
break
if not target:
target = 'all'
dbg.stdout('Pre-Install', 'Using "all" pre-configuration.', 1, 0)
else:
dbg.stdout('Pre-Install', 'Using configuration for: "' + target + '".', 1, 0)
methods = preinstall[target]['method'].split('+')
if not methods:
dbg.stdout('Pre-Install', 'No pre-install method was specified. The index is invalid.', 0, 1)
else:
dbg.stdout('Pre-Install', 'Configuration changes: ' + str(methods), 0, 0)
# Perform any pre-configuration, if necessary.
if action == 'install' or action == 'upgrade':
# Enable i386 repository (19.10 and later) if app requires 32-bit libs/packages.
try:
requires_i386 = dynamicapps.get_attribute_for_app(program_id, 'enable_i386')
if requires_i386 == True:
run_task('enable_i386')
except KeyError:
pass
# Add repository
for method in methods:
if method == 'skip':
dbg.stdout('Pre-Install', 'Using the Ubuntu repository.', 0, 0)
continue
elif method == 'partner-repo':
dbg.stdout('Pre-Install', 'Enabling the Ubuntu partner repository.', 0, 3)
if not simulating:
run_task('enable_partner_repository')
transaction.update_cache = True
queue.must_update_cache = True
elif method == 'multiverse-repo':
dbg.stdout('Pre-Install', 'Enabling the Ubuntu multiverse repository.', 0, 3)
if not simulating:
run_task('enable_multiverse_repository')
transaction.update_cache = True
queue.must_update_cache = True
elif method == 'ppa':
try:
ppa = preinstall[target]['enable-ppa']
except:
dbg.stdout('Pre-Install', 'Missing "enable-ppa" attribute. Cannot add PPA as requested.', 0, 1)
return
dbg.stdout('Pre-Install', 'Adding PPA: "' + ppa + '" and updating cache.', 0, 3)
if not simulating:
run_task('enable_ppa')
transaction.update_cache = True
queue.must_update_cache = True
try:
source_file = preinstall[target]['source-file'].replace('OSVERSION',self.os_version).replace('CODENAME',self.codename)
dbg.stdout('Pre-Install', 'Updating Apt Source: "' + source_file + '.list"', 0, 3)
if not simulating:
transaction.source_to_update = source_file + '.list'
except:
dbg.stdout('Pre-Install', 'Updating entire Apt cache. (No individual source file specified)', 1, 3)
elif method == 'manual':
# Do we get the apt key from a URL?
try:
apt_key_url = preinstall[target]['apt-key-url'].replace('OSVERSION',self.os_version).replace('CODENAME',self.codename)
dbg.stdout('Pre-Install', 'Getting Apt key from URL: "' + apt_key_url + '"', 0, 3)
if not simulating:
run_task('add_apt_key_from_url')
queue.must_update_cache = True
except:
dbg.stdout('Pre-Install', 'No apt key to retrieve from a URL.', 1, 0)
# Do we get the apt key from the server?
try:
apt_key_server = preinstall[target]['apt-key-server'][0]
apt_key_key = preinstall[target]['apt-key-server'][1]
dbg.stdout('Pre-Install', 'Getting key "' + apt_key_key + '" from keyserver: "' + apt_key_server + '"', 0, 3)
if not simulating:
run_task('add_apt_key_from_keyserver')
queue.must_update_cache = True
except:
dbg.stdout('Pre-Install', 'No apt key to retrieve from a key server.', 1, 0)
# Do we need to add an apt source file?
try:
source = preinstall[target]['apt-sources']
source_file = preinstall[target]['source-file'].replace('OSVERSION',self.os_version).replace('CODENAME',self.codename)
dbg.stdout('Pre-Install', 'Writing source file: ' + source_file + '.list', 0, 3)
dbg.stdout('Pre-Install', ' -------- Start of file ------', 1, 4)
for line in source:
dbg.stdout('Pre-Install', ' ' + line.replace('OSVERSION',self.os_version).replace('CODENAME',self.codename), 0, 0)
dbg.stdout('Pre-Install', ' -------- End of file ------', 1, 4)
try:
dbg.stdout('Pre-Install', 'Updating Apt Source: ' + source_file + '.list', 0, 3)
if not simulating:
run_task('add_apt_sources')
transaction.source_to_update = source_file + '.list'
transaction.update_cache = True
queue.must_update_cache = True
except:
dbg.stdout('Pre-Install', 'Failed to add apt sources!', 0, 1)
except:
dbg.stdout('Pre-Install', 'No source data or source file to write.', 0, 1)
elif action == 'remove':
try:
# The function uses wild cards, so we don't need to worry about being explict.
listname = preinstall[target]['source-file'].replace('CODENAME','').replace('OSVERSION','')
if simulating:
dbg.stdout('Simulation', 'Deleting Apt Source: ' + listname, 0, 3)
else:
run_task('del_apt_sources')
queue.must_update_cache = True
except:
dbg.stdout('Pre-Install', 'No apt source specified, so none will be removed.', 1, 0)
# Pre-configuration complete. Now perform the operations.
# Do not do this if:
# * Simulation flag is active.
# * Part of the bulk queue - which handles packages differently.
if not preconfigure_only:
if simulating:
dbg.stdout('Pre-Install', 'Simulation flag active. No changes will be performed.', 0, 2)
return
else:
if transaction.action == 'install':
transaction.install_packages()
elif transaction.action == 'remove':
transaction.remove_packages()
elif transaction.action == 'upgrade':
transaction.upgrade_packages()
##################################
# Translations Framework & Strings
##################################
class Translations(object):
def __init__(self, data_path):
# Pages that do not want to be translated.
self.excluded_pages = ['message.html']
# Determine which locale to use
if arg.locale:
self.locale = arg.locale
else:
try:
self.locale = str(locale.getlocale()[0])
except Exception:
dbg.stdout("i18n", "Could not get system locale information! Falling back to 'en_US'.")
self.locale = "en_US"
# Determine if localized pages exist, or fallback to original pages.
def get_pages_path():
if os.path.exists(os.path.join(data_path, 'i18n', self.locale)):
self.localized = True
self.relative_i18n = True
dbg.stdout('i18n', 'Locale Set: ' + self.locale + ' (using relative path)', 1, 0)
return os.path.join(data_path, 'i18n', self.locale)
elif (os.path.exists(os.path.join('/usr/share/ubuntu-mate-welcome/i18n/', self.locale))):
self.localized = True
self.relative_i18n = False
dbg.stdout('i18n', 'Locale Set: ' + self.locale + ' (using /usr/share/ path)', 1, 0)
return os.path.join('/usr/share/ubuntu-mate-welcome/i18n/', self.locale)
else:
self.localized = False
self.relative_i18n = False
dbg.stdout('i18n', 'Locale Not Available: ' + self.locale + ' (using en_US instead)', 1, 1)
return data_path
self.pages_dir = get_pages_path()
# Should this locale not exist, try a generic one. (e.g. "en_GB" → "en")
if self.pages_dir == data_path:
self.localized = False
self.locale = self.locale.split('_')[0]
self.pages_dir = get_pages_path()
else:
self.localized = True
# Validate all the i18n pages so we have the same structure as the original.
page_was_lost = False
if not self.pages_dir == data_path:
for page in os.listdir(data_path):
if page[-5:] == '.html':
if os.path.exists(os.path.join(self.pages_dir, page)):
dbg.stdout('i18n', 'Page Verified: ' + page, 2, 2)
else:
if page not in self.excluded_pages:
page_was_lost = True
dbg.stdout('i18n', 'Page Missing: ' + page, 2, 1)
if page_was_lost:
dbg.stdout('i18n', 'One or more translation pages are missing! Falling back to "en_US".', 0, 1)
self.pages_dir = data_path
self.localized = False
else:
dbg.stdout('i18n', 'All translated i18n pages found.', 1, 2)
# Sets the path for resources (img/css/js)
if self.localized:
# E.g. data/i18n/en_GB/*.html → data/
self.res_dir = '../../'
else:
# E.g. data/*.html → data/
self.res_dir = ''
# Initalise i18n for Python translations.
if self.relative_i18n:
i18n_path = os.path.realpath(os.path.dirname(__file__) + '/locale/')
if os.environ.get('SNAP'):
i18n_path = os.path.realpath(os.path.dirname(__file__) + '/../share/locale/')
if not self.relative_i18n:
i18n_path = '/usr/share/locale/'
global t, _
dbg.stdout('i18n', 'Using locale for gettext: ' + self.locale, 1, 0)
dbg.stdout('i18n', 'Using path for gettext: ' + i18n_path, 1, 0)
try:
t = gettext.translation('ubuntu-mate-welcome', localedir=i18n_path, languages=[self.locale], fallback=True)
_ = t.gettext
dbg.stdout('i18n', 'Translation found for gettext.', 1, 2)
except:
dbg.stdout('i18n', 'No translation exists for gettext. Using default.', 1, 2)
t = gettext.translation('ubuntu-mate-welcome', localedir='/usr/share/locale/', fallback=True)
_ = t.gettext
class Strings(object):
""" Not all strings are stored here, but those common throughout the program. """
def __init__(self):
## To avoid needing to call i18n each time,
## variables are intentional to be strings.
# General
self.close = str(_("Close"))
self.cancel = str(_("Cancel"))
# Desktop launchers (not used by application - just translation scripts)
self.welcome = str(_("Welcome"))
self.welcome_comment = _("Start here with helpful resources and utilities")
self.boutique = str(_("Software Boutique"))
self.boutique_comment = _("Discover software from a curated collection that complements Ubuntu MATE")
# Boutique Footer
self.subscribed = str(_("Set to retrieve the latest software listings."))
self.subscribe_link = str(_("Retrieve the latest software listings."))
self.subscribing = str(_("Please wait while the application is being updated..."))
self.version = str(_("Version:"))
# Application Listings
self.upgraded = str(_("This application is set to receive the latest updates."))
self.alternate_to = str(_('Alternative to:'))
self.hide = str(_("Hide"))
self.show = str(_("Details"))
self.install = str(_("Install"))
self.reinstall = str(_("Reinstall"))
self.remove = str(_("Remove"))
self.upgrade = str(_("Upgrade"))
self.launch = str(_("Launch"))
self.license = str(_("License"))
self.platform = str(_("Platform"))
self.category = str(_("Category"))
self.website = str(_("Website"))
self.screenshot = str(_("Screenshot"))
self.source = str(_("Source"))
self.repo_main = str(_("Ubuntu Repository"))
self.repo_universe = str(_("Ubuntu Community Maintained Repository"))
self.repo_restricted = str(_("Ubuntu Proprietary Drivers Repository"))
self.repo_multiverse = str(_("Ubuntu Non-Free Repository"))
self.repo_partner = str(_("Canonical Partner Repository"))
self.unknown = str(_('Unknown'))
self.undo = str(_("Undo Changes"))
# Repository Listings
self.repo_unknown = str(_("External Repository"))
self.head_software = str(_("Software"))
self.head_source = str(_("Source"))
# Applying Changes
self.install_text = str(_("Installing..."))
self.remove_text = str(_("Removing..."))
self.upgrade_text = str(_("Upgrading..."))
# Categories
self.accessories = str(_("Accessories"))
self.education = str(_("Education"))
self.games = str(_("Games"))
self.graphics = str(_("Graphics"))
self.internet = str(_("Internet"))
self.office = str(_("Office"))
self.programming = str(_("Programming"))
self.media = str(_("Sound & Video"))
self.systools = str(_("System Tools"))
self.univaccess = str(_("Universal Access"))
self.servers = str(_("Server One-Click Installation"))
self.misc = str(_("Miscellaneous"))
# Boutique Features
self.search = str(_("Search"))
self.search_begin = str(_("Please enter a keyword to begin."))
self.search_short = str(_("Please enter at least 3 characters."))
# Boutique News
self.added = str(_("Added"))
self.fixed = str(_("Fixed"))
self.removed = str(_("Removed"))
# Boutique Queue
self.queue_install = str(_("Queued for installation."))
self.queue_remove = str(_("Queued for removal."))
self.queue_prepare_remove = str(_("Preparing to remove:"))
self.queue_prepare_install = str(_("Preparing to install:"))
self.queue_removing = str(_("Removing:"))
self.queue_installing = str(_("Installing:"))
self.updating_cache = str(_("Updating cache..."))
self.verifying_changes = str(_("Verifying software changes..."))
self.install_success = str(_("Successfully Installed"))
self.install_fail = str(_("Failed to Install"))
self.remove_success = str(_("Successfully Removed"))
self.remove_fail = str(_("Failed to Remove"))
self.status_install = str(_("To be installed"))
self.status_remove = str(_("To be removed"))
##################################
# WebKit + Python Communications
##################################
class AppView(WebKit2.WebView):
def __init__(self):
# WebKit2 Initalisation
webkit = WebKit2
webkit.WebView.__init__(self)
# Set WebKit background to the same as GTK
self.set_background_color(Gdk.RGBA(0, 0, 0, 0))
# Connect signals to application
self.connect('load-changed', self._load_changed_cb)
self.connect('notify::title', self._title_changed_cb)
self.connect('context-menu', self._context_menu_cb)
# Enable keyboard navigation
self.get_settings().set_enable_spatial_navigation(True)
self.get_settings().set_enable_caret_browsing(True)
# Show console messages in stdout if we're debugging.
if dbg.verbose_level == 2:
self.get_settings().set_enable_write_console_messages_to_stdout(True)
# Set up zoom to match rest of system font
self.set_zoom_level(systemstate.zoom_level)
dbg.stdout('Welcome', 'Setting zoom level to: ' + str(systemstate.zoom_level), 1, 0)
# Perform a smooth transition for footer icons.
self.do_smooth_footer = False
def refresh_gtk_colors(self):
"""
Updates the CSS on the page to use the colours from GTK.
"""
window = Gtk.Window()
style_context = window.get_style_context()
def _rgba_to_hex(color):
"""
Return hexadecimal string for :class:`Gdk.RGBA` `color`.
"""
return "#{0:02x}{1:02x}{2:02x}".format(
int(color.red * 255),
int(color.green * 255),
int(color.blue * 255))
def hex_to_rgb(hex_string):
hex_string = hex_string.lstrip("#")
return list(int(hex_string[i:i+2], 16) for i in (0, 2 ,4))
def _get_color(style_context, preferred_color, fallback_color):
color = _rgba_to_hex(style_context.lookup_color(preferred_color)[1])
if color == "#000000":
color = _rgba_to_hex(style_context.lookup_color(fallback_color)[1])
return color
def _get_hex_variant(string, offset):
"""
Converts hex input #RRGGBB to RGB and HLS to increase lightness independently
"""
string = string.lstrip("#")
rgb = list(int(string[i:i+2], 16) for i in (0, 2 ,4))
# colorsys module converts to HLS to brighten/darken
hls = colorsys.rgb_to_hls(rgb[0], rgb[1], rgb[2])
newbright = hls[1] + offset
newbright = min([255, max([0, newbright])])
hls = (hls[0], newbright, hls[2])
# Re-convert to rgb and hex
newrgb = colorsys.hls_to_rgb(hls[0], hls[1], hls[2])
def _validate(value):
value = int(value)
if value > 255:
return 255
elif value < 0:
return 0
return value
newrgb = [_validate(newrgb[0]), _validate(newrgb[1]), _validate(newrgb[2])]
newhex = '#%02x%02x%02x' % (newrgb[0], newrgb[1], newrgb[2])
return newhex
bg_color = _get_color(style_context, "base_color", "theme_bg_color")
text_color = _get_color(style_context, "fg_color", "theme_fg_color")
section_bg_color = _get_color(style_context, "dark_bg_color", "theme_bg_color")
section_text_color = _get_color(style_context, "dark_fg_color", "theme_fg_color")
selected_bg_color = _get_color(style_context, "selected_bg_color", "theme_selected_bg_color")
selected_text_color = _get_color(style_context, "selected_fg_color", "theme_selected_fg_color")
button_bg_color = _get_color(style_context, "button_bg_color", "theme_bg_color")
button_text_color = _get_color(style_context, "text_color", "theme_fg_color")
css = []
css.append("--bg: " + bg_color)
css.append("--bg-alt: " + _get_hex_variant(bg_color, -10))
css.append("--text: " + text_color)
css.append("--section_bg: " + section_bg_color)
css.append("--section_text: " + section_text_color)
css.append("--selected_bg: " + selected_bg_color)
css.append("--selected_text: " + selected_text_color)
css.append("--button_bg: linear-gradient(to bottom, {0}, {1})".format(
_get_hex_variant(button_bg_color, 8),
_get_hex_variant(button_bg_color, -8)))
css.append("--selected_button_bg: linear-gradient(to bottom, {0}, {1})".format(
_get_hex_variant(selected_bg_color, 8),
_get_hex_variant(selected_bg_color, -8)))
css.append("--button_text: " + button_text_color)
app.update_page("body", "append", "<style>:root {" + ";".join(css) + "}</style>")