Function warning

Lib/logging/__init__.py:2195–2203

Log a message with severity 'WARNING' on the root logger. If the logger has no handlers, call basicConfig() to add a console handler with a pre-defined format.

(msg, *args, **kwargs)

    error(msg, *args, exc_info=exc_info, **kwargs)

def warning(msg, *args, **kwargs):
    """
    Log a message with severity 'WARNING' on the root logger. If the logger has
    no handlers, call basicConfig() to add a console handler with a pre-defined
    format.
    """
    if len(root.handlers) == 0:
        basicConfig()
    root.warning(msg, *args, **kwargs)

def warn(msg, *args, **kwargs):
    warnings.warn("The 'warn' function is deprecated, "