cqlsh_copy_tests.py 文件源码

def get_temp_file(self, prefix=template, suffix=""):
        """
        On windows we cannot open temporary files after creating them unless we close them first.
        For this reason we must also create them with delete=False (or they would be deleted immediately when closed)
        and we want to make sure that the test object owns a reference to the file objects by adding them
        to self._tempfiles, so that they can be deleted when the test finishes.
        """
        ret = NamedTemporaryFile(delete=False, prefix=prefix, suffix=suffix)
        self._tempfiles.append(ret)
        if is_win():
            ret.close()
        return ret