def close(self):
		'''关闭与数据库的连接'''
		if VERBOSE:
			print 'Database connection CLOSE.'
		self.conn.close()
def test_boolean_with_python_bool(self):
        """Input that is already a native python `bool` should be passed through
        without extra processing."""
        assert_equal(inputs.boolean(True), True)
        assert_equal(inputs.boolean(False), False)