def get_launch_bin(self):
    cdir = self.get_install_dir()
    launch_bin = common.join_bin(cdir, 'bin', 'dse')
    shutil.copy(launch_bin, self.get_bin_dir())
    return common.join_bin(self.get_path(), 'bin', 'dse')
def get_launch_bin(self):
    cdir = self.get_install_dir()
    launch_bin = common.join_bin(cdir, 'bin', 'dse')
    shutil.copy(launch_bin, self.get_bin_dir())
    return common.join_bin(self.get_path(), 'bin', 'dse')