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1# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import glob, logging, os
6
7from autotest_lib.client.bin import test, utils
8from autotest_lib.client.common_lib import error
9
10class hardware_MultiReader(test.test):
11    version = 1
12
13    def run_once(self):
14        blockdev_paths = glob.glob("/sys/block/*/removable")
15        for path in blockdev_paths:
16            removable = utils.read_one_line(path)
17            if removable == "1":
18                logging.info("Found removable block device %s",
19                             os.path.dirname(path))
20                return True
21
22        raise error.TestFail("No removable block devices are seen.")
23