def __init__(self, menu, shortcut, target_prefix, env_name):
        self.menu = menu
        self.shortcut = shortcut
        self.prefix = to_unicode(target_prefix)
        self.env_name = env_name
Prefix is the system prefix to be used -- this is needed since
dataset/ETHPy150Open ContinuumIO/menuinst/menuinst/win32.py/ShortCut.__init__