The device blacklist is a per-run list of devices detected to be in a known bad state along with the reason they are suspected of being in a bad state (offline, not responding, etc). It is stored as a json file. This gets reset every run during the device recovery step (currently part of bb_device_status_check).
On bots, this is normally found at //out/bad_devices.json. If you are having problems with blacklisted devices locally even though a device is in a good state, you can safely delete this file.
You can interact with the device blacklist via devil.android.device_blacklist. This allows for any interaction you would need with a device blacklist:
An example usecase of this is:
from devil.android import device_blacklist blacklist = device_blacklist.Blacklist(blacklist_path) blacklisted_devices = blacklist.Read() for device in blacklisted_devices: print 'Device %s is blacklisted' % device blacklist.Reset() new_blacklist = {'device_id1': {'timestamp': ts, 'reason': reason}} blacklist.Write(new_blacklist) blacklist.Extend([device_2, device_3], reason='Reason for blacklisting')
The blacklist file path is passed directly to the following scripts in chromium:
The blacklist is also used in the following scripts: