def exception_handler(self, e):
"""Called if exception occours in methods with the
@ExceptionHandler decorator.
"""
close = True
msg = str(e)
logger.error('EXCEPTION : %s ' % msg)
err, errmsg = self._parse_error(msg)
logger.debug('err: [%s] - msg: %s' % (err, errmsg))
if err == 'LockedError':
errmsg = 'dnf is locked by another process \n' \
'\nYum Extender will exit'
close = False
elif err == 'AccessDeniedError':
errmsg = "Root backend was not authorized and can't continue"
close = True
elif err == 'FatalError':
errmsg = 'Fatal error in yumex backend'
close = False
elif err == 'NoReply':
errmsg = 'DNF Dbus backend is not responding \n'\
'\nYum Extender will exit'
close = False
if errmsg == '':
errmsg = msg
dialogs.show_information(self, errmsg)
# try to exit the backends, ignore errors
if close:
try:
self.release_root_backend(quit=True)
except:
pass
Gtk.main_quit()
sys.exit(1)
def exception_handler(self, e):
"""Called if exception occours in methods with the
@ExceptionHandler decorator.
"""
close = True
msg = str(e)
logger.error('BASE EXCEPTION : %s ' % msg)
err, errmsg = self._parse_error(msg)
logger.debug('BASE err: [%s] - msg: %s' % (err, errmsg))
if err == 'LockedError':
errmsg = 'DNF is locked by another process.\n'
'\nYum Extender will exit'
close = False
elif err == 'NoReply':
errmsg = 'DNF D-Bus backend is not responding.\n'
'\nYum Extender will exit'
close = False
if errmsg == '':
errmsg = msg
dialogs.show_information(self, errmsg)
# try to exit the backends, ignore errors
if close:
try:
self.release_root_backend(quit=True)
except:
pass
#self.status.SetWorking(False) # reset working state
#self.status.SetYumexIsRunning(self.pid, False)
sys.exit(1)
def _open_url(self, url):
"""Open URL in default browser."""
if misc.is_url(url): # just to be sure and prevent shell injection
rc = subprocess.call('xdg-open %s' % url, shell=True)
# failover to gtk.show_uri, if xdg-open fails or is not installed
if rc != 0:
Gtk.show_uri(None, url, Gdk.CURRENT_TIME)
else:
dialogs.show_information('%s is not an url' % url)
def _open_url(self, url):
"""Open URL in default browser."""
if misc.is_url(url): # just to be sure and prevent shell injection
rc = subprocess.call('xdg-open %s' % url, shell=True)
# failover to gtk.show_uri, if xdg-open fails or is not installed
if rc != 0:
Gtk.show_uri(None, url, Gdk.CURRENT_TIME)
else:
dialogs.show_information('%s is not an url' % url)
def reset_cache(self):
logger.debug('Refresh system cache')
self.set_working(True, True)
self.infobar.info(_('Refreshing Repository Metadata'))
rc = self._root_backend.ExpireCache()
self.set_working(False)
if rc:
self._set_cache_refreshed('system')
else:
dialogs.show_information(
self, _('Could not refresh the DNF cache (root)'))
def _process_actions(self, from_queue=True):
"""Process the current actions in the queue.
- setup the Dnf transaction
- resolve dependencies
- ask user for confirmation on result of depsolve
- run the transaction
"""
self.set_working(True, True)
self.infobar.info(_('Preparing system for applying changes'))
try:
if from_queue:
result = self._build_from_queue()
else:
result = self._get_transaction()
self.set_working(False)
# check for protected packages
check = self._check_protected(result)
if check:
self.error_dialog.show(
ngettext("Can't remove protected package:",
"Can't remove protected packages:", len(check)) +
misc.list_to_string(check, "\n ", ",\n "))
self._reset_on_cancel()
return
# transaction confirmation dialog
self.transaction_result.populate(result, '')
ok = self.transaction_result.run()
if ok: # Ok pressed
self._run_transaction()
else: # user cancelled transaction
self._reset_on_cancel()
return
except misc.QueueEmptyError: # Queue is empty
self.set_working(False)
dialogs.show_information(self, _('No pending actions in queue'))
self._reset_on_cancel()
except misc.TransactionBuildError as e:
# Error in building transaction
self.error_dialog.show(
ngettext('Error in building transaction',
'Errors in building transaction', len(e.msgs)) +
'\n'.join(e.msgs))
self._reset_on_cancel()
except misc.TransactionSolveError as e:
self.error_dialog.show(
ngettext('Error in search for dependencies',
'Errors in search for dependencies', len(e.msgs)) +
'\n'.join(e.msgs))
self._reset_on_error()
def on_history_undo(self, widget):
"""Handle the undo button on history page."""
tid = self.history_view.get_selected()
logger.debug('History Undo : %s', tid)
rc, messages = self.backend.HistoryUndo(tid)
if rc:
self._process_actions(from_queue=False)
else:
msg = "Can't undo history transaction :\n%s" % \
("\n".join(messages))
logger.debug(msg)
dialogs.show_information(self,
_('Error in undo history transaction'),
"\n".join(messages))
def on_history_undo(self, widget):
"""Handle the undo button on history page."""
tid = self.history_view.get_selected()
logger.debug('History Undo : %s', tid)
rc, messages = self.backend.HistoryUndo(tid)
if rc:
self.process_actions(from_queue=False)
else:
msg = "Can't undo history transaction :\n%s" % \
("\n".join(messages))
logger.debug(msg)
dialogs.show_information(
self, _('Error in undo history transaction'),
"\n".join(messages))
def _process_actions_installmode(self, action, package, always_yes,
app_quit):
"""Process the pending actions from the command line.
:param action: action to perform (install/remove)
:param package: package to work on
:param always_yes: ask the user or default to yes/ok to all questions
"""
if action == 'install':
self.infobar.info(_('Installing package: %s') % package)
exit_msg = _('%s was installed successfully') % package
self.infobar.info_sub(package)
txmbrs = self.backend.Install(package)
logger.debug('txmbrs: %s' % str(txmbrs))
elif action == 'remove':
self.infobar.info(_('Removing package: %s') % package)
exit_msg = _('%s was removed successfully') % package
self.infobar.info_sub(package)
txmbrs = self.backend.Remove(package)
logger.debug('txmbrs: %s' % str(txmbrs))
elif action == 'update':
self.infobar.info(_('Updating all available updates'))
exit_msg = _('Available updates was applied successfully')
txmbrs = self.backend.Update('*')
self.infobar.info(_('Searching for dependencies'))
rc, result = self.backend.BuildTransaction()
self.infobar.info(_('Dependencies resolved'))
if rc:
self.transaction_result.populate(result, '')
if not always_yes:
ok = self.transaction_result.run()
else:
ok = True
if ok: # Ok pressed
self.infobar.info(_('Applying changes to the system'))
self.backend.RunTransaction()
self.release_root_backend()
self.hide()
misc.notify('Yum Extender', exit_msg)
else:
dialogs.show_information(
self,
ngettext('Error in search for dependencies',
'Errors in search for dependencies', len(result)),
'\n'.join(result))
if app_quit:
self.release_root_backend(quit_dnfdaemon=True)
self.app.quit()
def _process_actions_installmode(self, action, package, always_yes,
app_quit):
"""Process the pending actions from the command line.
:param action: action to perform (install/remove)
:param package: package to work on
:param always_yes: ask the user or default to yes/ok to all questions
"""
if action == 'install':
self.infobar.info(_('Installing package: %s') % package)
exit_msg = _('%s was installed successfully') % package
self.infobar.info_sub(package)
txmbrs = self.backend.Install(package)
logger.debug('txmbrs: %s' % str(txmbrs))
elif action == 'remove':
self.infobar.info(_('Removing package: %s') % package)
exit_msg = _('%s was removed successfully') % package
self.infobar.info_sub(package)
txmbrs = self.backend.Remove(package)
logger.debug('txmbrs: %s' % str(txmbrs))
elif action == 'update':
self.infobar.info(_('Updating all available updates'))
exit_msg = _('Available updates was applied successfully')
txmbrs = self.backend.Update('*')
self.infobar.info(_('Searching for dependencies'))
rc, result = self.backend.BuildTransaction()
self.infobar.info(_('Dependencies resolved'))
if rc:
self.transaction_result.populate(result, '')
if not always_yes:
ok = self.transaction_result.run()
else:
ok = True
if ok: # Ok pressed
self.infobar.info(_('Applying changes to the system'))
self.backend.RunTransaction()
self.release_root_backend()
self.hide()
misc.notify('Yum Extender', exit_msg)
else:
dialogs.show_information(
self, _('Error(s) in search for dependencies'),
'\n'.join(result))
if app_quit:
self.release_root_backend(quit=True)
self.app.quit()
def get_root_backend(self):
"""Get the current root backend.
if it is not setup yet, the create it
if it is not locked, then lock it
"""
if self._root_backend is None:
self._root_backend = yumex.dnf_backend.DnfRootBackend(self)
if self._root_locked is False:
logger.debug('Lock the DNF root daemon')
locked, msg = self._root_backend.setup()
if locked:
self._root_locked = True
if self._check_cache_expired('system'):
logger.debug('Refresh system cache')
self.set_working(True, True)
self.infobar.info(_('Refreshing Repository Metadata'))
rc = self._root_backend.ExpireCache()
self.set_working(False)
if rc:
self._set_cache_refreshed('system')
else:
dialogs.show_information(
self, _('Could not refresh the DNF cache (root)'))
else:
logger.critical("can't get root backend lock")
if msg == 'not-authorized': # user canceled the polkit dialog
errmsg = _(
'DNF root backend was not authorized.\n'
'Yum Extender will exit')
# DNF is locked by another process
elif msg == 'locked-by-other':
errmsg = _(
'DNF is locked by another process.\n\n'
'Yum Extender will exit')
dialogs.show_information(self, errmsg)
# close down and exit yum extender
#self.status.SetWorking(False) # reset working state
#self.status.SetYumexIsRunning(self.pid, False)
sys.exit(1)
return self._root_backend
def __init__(self, app):
Gtk.ApplicationWindow.__init__(self,
title='Yum Extender - Powered by DNF',
application=app)
BaseYumex.__init__(self)
self.app = app
self.connect('delete_event', self.on_delete_event)
icon = Gtk.IconTheme.get_default().load_icon('yumex-dnf', 128, 0)
self.set_icon(icon)
self.ui = Gtk.Builder()
self.ui.set_translation_domain('yumex-dnf')
try:
self.ui.add_from_file(const.DATA_DIR + "/yumex.ui")
except:
raise
dialogs.show_information(
self, 'GtkBuilder ui file not found : ' +
const.DATA_DIR + '/yumex.ui')
sys.exit()
# transaction result dialog
self.transaction_result = dialogs.TransactionResult(self)
def __init__(self, app):
Gtk.ApplicationWindow.__init__(self,
title='Yum Extender - Powered by DNF',
application=app)
BaseYumex.__init__(self)
self.get_style_context().add_class("yumex-dnf-window")
self.app = app
self.connect('delete_event', self.on_delete_event)
icon = Gtk.IconTheme.get_default().load_icon('yumex-dnf', 128, 0)
self.set_icon(icon)
self.ui = Gtk.Builder()
self.ui.set_translation_domain('yumex-dnf')
try:
self.ui.add_from_file(const.DATA_DIR + "/yumex.ui")
except:
raise
dialogs.show_information(
self, 'GtkBuilder ui file not found : ' + const.DATA_DIR +
'/yumex.ui')
sys.exit()
# transaction result dialog
self.transaction_result = dialogs.TransactionResult(self)
self.error_dialog = dialogs.ErrorDialog(self)
def _process_actions(self, from_queue=True):
"""Process the current actions in the queue.
- setup the Dnf transaction
- resolve dependencies
- ask user for confirmation on result of depsolve
- run the transaction
"""
self.set_working(True, True)
self.infobar.info(_('Preparing system for applying changes'))
try:
if from_queue:
result = self._build_from_queue()
else:
result = self._get_transaction()
self.set_working(False)
# check for protected packages
check = self._check_protected(result)
if check:
dialogs.show_information(
self, _("Can't remove protected package(s)"),
'\n'.join(check))
self._reset_on_cancel()
return
# transaction confirmation dialog
self.transaction_result.populate(result, '')
ok = self.transaction_result.run()
if ok: # Ok pressed
self._run_transaction()
else: # user cancelled transaction
self._reset_on_cancel()
return
except misc.QueueEmptyError: # Queue is empty
self.set_working(False)
dialogs.show_information(self, _('No pending actions in queue'))
self._reset_on_cancel()
except misc.TransactionBuildError as e: # Error in building transaction
dialogs.show_information(
self, _('Error(s) in building transaction'),
'\n'.join(e.msgs))
self._reset_on_cancel()
except misc.TransactionSolveError as e:
dialogs.show_information(
self, _('Error(s) in search for dependencies'),
'\n'.join(e.msgs))
self._reset_on_error()
def _run_transaction(self):
"""Run the current transaction."""
self.infobar.info(_('Applying changes to the system'))
self.set_working(True, True)
rc, result = self.backend.RunTransaction()
# This can happen more than once (more gpg keys to be
# imported)
while rc == 1:
# get info about gpgkey to be comfirmed
values = self.backend._gpg_confirm
if values: # There is a gpgkey to be verified
(pkg_id, userid, hexkeyid, keyurl, timestamp) = values
logger.debug('GPGKey : %s' % repr(values))
ok = dialogs.ask_for_gpg_import(self, values)
if ok:
# tell the backend that the gpg key is confirmed
self.backend.ConfirmGPGImport(hexkeyid, True)
# rerun the transaction
# FIXME: It should not be needed to populate
# the transaction again
self._populate_transaction()
rc, result = self.backend.BuildTransaction()
rc, result = self.backend.RunTransaction()
else:
break
else: # error in signature verification
dialogs.show_information(
self, _('Error checking package signatures\n'),
'\n'.join(result))
break
if rc == 4: # Download errors
dialogs.show_information(
self,
ngettext('Downloading error\n', 'Downloading errors\n',
len(result)), '\n'.join(result))
self._reset_on_cancel()
return
elif rc != 0: # other transaction errors
dialogs.show_information(
self,
ngettext('Error in transaction\n', 'Errors in transaction\n',
len(result)), '\n'.join(result))
self._reset()
return
def _run_transaction(self):
"""Run the current transaction."""
self.infobar.info(_('Applying changes to the system'))
self.set_working(True, True)
rc, result = self.backend.RunTransaction()
# This can happen more than once (more gpg keys to be
# imported)
while rc == 1:
# get info about gpgkey to be comfirmed
values = self.backend._gpg_confirm
if values: # There is a gpgkey to be verified
(pkg_id, userid, hexkeyid, keyurl, timestamp) = values
logger.debug('GPGKey : %s' % repr(values))
ok = dialogs.ask_for_gpg_import(self, values)
if ok:
# tell the backend that the gpg key is confirmed
self.backend.ConfirmGPGImport(hexkeyid, True)
# rerun the transaction
# FIXME: It should not be needed to populate
# the transaction again
self._populate_transaction()
rc, result = self.backend.BuildTransaction()
rc, result = self.backend.RunTransaction()
else:
break
else: # error in signature verification
dialogs.show_information(
self, _('Error checking package signatures\n'),
'\n'.join(result))
break
if rc == 4: # Download errors
dialogs.show_information(
self, _('Downloading error(s)\n'),
'\n'.join(result))
self._reset_on_cancel()
return
elif rc != 0: # other transaction errors
dialogs.show_information(
self, _('Error in transaction\n'),
'\n'.join(result))
self._reset()
return