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' \
'\ndnfdragora will exit'
close = False
elif err == 'NoReply':
errmsg = 'DNF D-Bus backend is not responding.\n' \
'\ndnfdragora will exit'
close = False
if errmsg == '':
errmsg = msg
dialogs.warningMsgBox({'title': _("Sorry"), "text": errmsg})
logger.critical(errmsg)
# try to exit the backends, ignore errors
if close:
try:
self.release_root_backend(quit_dnfdaemon=True)
except:
pass
yui.YDialog.deleteTopmostDialog()
# next line seems to be a workaround to prevent the qt-app from crashing
# see https://github.com/libyui/libyui-qt/issues/41
yui.YUILoader.deleteUI()
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' \
'\ndnfdragora will exit'
close = False
elif err == 'NoReply':
errmsg = 'DNF D-Bus backend is not responding.\n' \
'\ndnfdragora will exit'
close = False
if errmsg == '':
errmsg = msg
dialogs.warningMsgBox({'title' : _("Sorry"), "text": errmsg})
logger.critical(errmsg)
# try to exit the backends, ignore errors
if close:
try:
self.release_root_backend(quit_dnfdaemon=True)
except:
pass
yui.YDialog.deleteTopmostDialog()
# next line seems to be a workaround to prevent the qt-app from crashing
# see https://github.com/libyui/libyui-qt/issues/41
yui.YUILoader.deleteUI()
sys.exit(1)
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)
self.infobar.info("")
if not rc:
dialogs.warningMsgBox({'title' : _("Sorry"), "text": _('Could not refresh the DNF cache (root)')})
def __run_dialog(self, args, *kwargs):
if self.__tray != None and self.__main_gui == None:
time.sleep(0.5)
try:
self.__main_gui = ui.mainGui(args)
except Exception as e:
dialogs.warningMsgBox({'title' : _("Running dnfdragora failure"), "text": str(e), "richtext":True})
yui.YDialog.deleteAllDialogs()
time.sleep(0.5)
self.__main_gui = None
return
self.__tray.icon = None
self.__main_gui.handleevent()
while self.__main_gui.loop_has_finished != True:
time.sleep(1)
yui.YDialog.deleteAllDialogs()
time.sleep(1)
self.__main_gui = None
self.__get_updates()
def __run_dialog(self, args, *kwargs):
if self.__tray != None and self.__main_gui == None and self.__tray.visible:
if self.__hide_menu:
self.__tray.visible = False
time.sleep(0.5)
try:
self.__main_gui = ui.mainGui(args)
except Exception as e:
logger.error(
"Exception on running dnfdragora with args %s - %s",
str(args), str(e))
dialogs.warningMsgBox({
'title': _("Running dnfdragora failure"),
"text": str(e),
"richtext": True
})
yui.YDialog.deleteAllDialogs()
time.sleep(0.5)
self.__main_gui = None
return
#self.__tray.icon = None
self.__main_gui.handleevent()
logger.debug("Closing dnfdragora")
while self.__main_gui.loop_has_finished != True:
time.sleep(1)
logger.info("Closed dnfdragora")
yui.YDialog.deleteAllDialogs()
time.sleep(1)
self.__main_gui = None
logger.debug("Look for remaining updates")
# Let's delay a bit the check, otherwise Lock will fail
done = self.__reschedule_update_in(0.5)
logger.debug("Scheduled %s", "done" if done else "skipped")
else:
if self.__main_gui:
logger.warning(
"Cannot run dnfdragora because it is already running")
else:
logger.warning("Cannot run dnfdragora")
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 = dnfdragora.dnf_backend.DnfRootBackend(self, self._use_comps)
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'):
# self.reset_cache()
self.backend.ExpireCache()
logger.info("Locked the DNF root daemon")
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'
'dnfdragora will exit')
# DNF is locked by another process
elif msg == 'locked-by-other':
errmsg = _(
'DNF is locked by another process.\n\n'
'dnfdragora will exit')
logger.critical(errmsg)
dialogs.warningMsgBox({'title' : _("Sorry"), "text": errmsg})
yui.YDialog.deleteTopmostDialog()
# next line seems to be a workaround to prevent the qt-app from crashing
# see https://github.com/libyui/libyui-qt/issues/41
yui.YUILoader.deleteUI()
sys.exit(1)
return self._root_backend
