OLD | NEW |
1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2015 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import json | 5 # pylint: disable=unused-wildcard-import |
6 import os | 6 # pylint: disable=wildcard-import |
7 import threading | |
8 | 7 |
9 from pylib import constants | 8 from devil.android.device_blacklist import * |
10 | |
11 # TODO(jbudorick): Remove this once the blacklist is optional. | |
12 BLACKLIST_JSON = os.path.join( | |
13 constants.DIR_SOURCE_ROOT, | |
14 os.environ.get('CHROMIUM_OUT_DIR', 'out'), | |
15 'bad_devices.json') | |
16 | |
17 class Blacklist(object): | |
18 | |
19 def __init__(self, path): | |
20 self._blacklist_lock = threading.RLock() | |
21 self._path = path | |
22 | |
23 def Read(self): | |
24 """Reads the blacklist from the blacklist file. | |
25 | |
26 Returns: | |
27 A list containing bad devices. | |
28 """ | |
29 with self._blacklist_lock: | |
30 if not os.path.exists(self._path): | |
31 return [] | |
32 | |
33 with open(self._path, 'r') as f: | |
34 return json.load(f) | |
35 | |
36 def Write(self, blacklist): | |
37 """Writes the provided blacklist to the blacklist file. | |
38 | |
39 Args: | |
40 blacklist: list of bad devices to write to the blacklist file. | |
41 """ | |
42 with self._blacklist_lock: | |
43 with open(self._path, 'w') as f: | |
44 json.dump(list(set(blacklist)), f) | |
45 | |
46 def Extend(self, devices): | |
47 """Adds devices to blacklist file. | |
48 | |
49 Args: | |
50 devices: list of bad devices to be added to the blacklist file. | |
51 """ | |
52 with self._blacklist_lock: | |
53 blacklist = ReadBlacklist() | |
54 blacklist.extend(devices) | |
55 WriteBlacklist(blacklist) | |
56 | |
57 def Reset(self): | |
58 """Erases the blacklist file if it exists.""" | |
59 with self._blacklist_lock: | |
60 if os.path.exists(self._path): | |
61 os.remove(self._path) | |
62 | |
63 | |
64 def ReadBlacklist(): | |
65 # TODO(jbudorick): Phase out once all clients have migrated. | |
66 return Blacklist(BLACKLIST_JSON).Read() | |
67 | |
68 | |
69 def WriteBlacklist(blacklist): | |
70 # TODO(jbudorick): Phase out once all clients have migrated. | |
71 Blacklist(BLACKLIST_JSON).Write(blacklist) | |
72 | |
73 | |
74 def ExtendBlacklist(devices): | |
75 # TODO(jbudorick): Phase out once all clients have migrated. | |
76 Blacklist(BLACKLIST_JSON).Extend(devices) | |
77 | |
78 | |
79 def ResetBlacklist(): | |
80 # TODO(jbudorick): Phase out once all clients have migrated. | |
81 Blacklist(BLACKLIST_JSON).Reset() | |
82 | |
OLD | NEW |