Ask the user the question until the user inputs a valid answer.

:param loss: Target Black-box model loss function :param x: Benign image :param y: Label :param init: Initialization

Finds the python class with the given name and constructs it with the given arguments.

Takes in a list of tuples of (src, dst) paths and copies files. Will create all necessary directories.

Convert the seconds to human readable string with days, hours, minutes and seconds.

Convert the seconds to human readable string with days, hours, minutes and seconds.

Channel shuffle: [N,C,H,W] -> [N,g,C/g,H,W] -> [N,C/g,g,H,w] -> [N,C,H,W]

Channel shuffle: [N,C,H,W] -> [N,g,C/g,H,W] -> [N,C/g,g,H,w] -> [N,C,H,W]

Given a type name string (or an object having a __name__ attribute), return matching Numpy and ctypes types that have the same size in bytes.

Get the directory path of the module containing the given object name.

Return the fully-qualified name of a top-level function.

List all files recursively in a given directory while ignoring given file and directory names. Returns list of tuples containing both absolute and