from paramiko.ssh_exception import SSHException, NoValidConnectionsError class retry: """Decorator used to automatically retry operations throwing exceptions """ def __init__(self, exceptions: tuple[BaseException] = None): """Initializing the retry decorator Args: exceptions (tuple, optional): A tuple containing exception classes that should be handled by the decorator. If none, handle only paramiko.ssh_exception.SSHException/NoValidConnectionsError. Defaults to None. """ self.exceptions = exceptions or (SSHException, NoValidConnectionsError) def __call__(self, f): """Return a function through the retry decorator Args: f (function): Function to wrap in the decorator Returns: function: Function wrapping the passed function """ def wrapped_f(*args, **kwargs): while True: try: return f(*args, **kwargs) except self.exceptions as e: print("Caught expected exception: " + repr(e)) return wrapped_f