sys.is_finalizing() Return

atexit.unregister(func) Remove func from the list of functions to be run at interpreter shutdown. After calling

sys.__interactivehook__ When this attribute exists, its value is automatically called (with no arguments) when the interpreter

@abc.abstractstaticmethod A subclass of the built-in

inspect.getframeinfo(frame, context=1) Get information about a frame or traceback object. A named

inspect.isclass(object) Return true if the object is a class, whether built-in or created in Python code.

gc.get_threshold() Return the current collection thresholds as a tuple of (threshold0, threshold1, threshold2)

sys.hexversion The version number encoded as a single integer. This is guaranteed to increase with each version, including proper

filename For syntax errors - the file name where the error occurred.

contextlib.redirect_stdout(new_target) Context manager for temporarily redirecting