def execute(self):
self._actions.reverse()
for action in self._actions:
try:
action()
except Exception, e:
log.error('Error while undoing action %s' % action, e)
def execute(self):
self._actions.reverse()
for action in self._actions:
try:
action()
except Exception as e:
log.error('Error while undoing action %s' % action, exc_info=True)
def execute(self):
self._actions.reverse()
for action in self._actions:
try:
action()
except Exception as e:
logger.error(f"Error while undoing action {action}",
exc_info=True)
def add_undo_action(self, action, requires_transaction=True):
"""Add an action to undo."""
if self._current_transaction:
self._current_transaction.add(action)
self._action_executed()
elif requires_transaction:
undo_stack = list(self._undo_stack)
redo_stack = list(self._redo_stack)
try:
with Transaction(self.event_manager):
action()
finally:
# Restore stacks and act like nothing happened
self._redo_stack = redo_stack
self._undo_stack = undo_stack
raise NotInTransactionException(
"Updating state outside of a transaction.")