def METHOD_NAME(self):
    for f in self.args.input:
        if not os.path.isfile(f):
            self.print_error_and_cleanup('input %s is not a valid file' % f)
            return False
    dir_name = os.path.dirname(os.path.abspath(self.args.output))
    self.tmp_dir_path = tempfile.mkdtemp(dir=dir_name)
    self.object_list_path = os.path.join(self.tmp_dir_path, 'object-list.txt')
    if self.args.ignore_nops:
        self.ignore_nop = '--ignore-nops'
    return True