warn_or_raise

warn_or_raise(
    msg: str ,
    exception: type[<class ’Exception] = <class ‘Exception’>,
    warning: type[<class ’Warning] = <class ‘UserWarning’>,
    behavior: Literal[‘warn’, ‘raise’, ‘ignore’] = warn,
)

A helper function to issues a warning, raise an exception or do nothing.

Parameters

Parameter	Description
msg	The message to attach to warning or exception.
exception	The exception class to raise.
warning	The type of warning to use. Must be a subclass of Warning.
behavior	“warn” to issue the warning, “raise” to raise the exception, and “ignore” to do nothing. Anything else raises a ParameterError, so a retired spelling cannot quietly pick a behavior.