[Android] Remove chromium version of devil.

build/android/devil/utils/lsusb.py

-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import logging
-import re
-
-from devil.utils import cmd_helper
-
-_COULDNT_OPEN_ERROR_RE = re.compile(r'Couldn\'t open device.*')
-_INDENTATION_RE = re.compile(r'^( *)')
-_LSUSB_BUS_DEVICE_RE = re.compile(r'^Bus (\d{3}) Device (\d{3}):')
-_LSUSB_ENTRY_RE = re.compile(r'^ *([^ ]+) +([^ ]+) *([^ ].*)?$')
-_LSUSB_GROUP_RE = re.compile(r'^ *([^ ]+.*):$')
-
-
-def _lsusbv_on_device(bus_id, dev_id):
-  """Calls lsusb -v on device."""
-  _, raw_output = cmd_helper.GetCmdStatusAndOutputWithTimeout(
-      ['lsusb', '-v', '-s', '%s:%s' % (bus_id, dev_id)], timeout=10)
-
-  device = {'bus': bus_id, 'device': dev_id}
-  depth_stack = [device]
-
-  # TODO(jbudorick): Add documentation for parsing.
-  for line in raw_output.splitlines():
-    # Ignore blank lines.
-    if not line:
-      continue
-    # Filter out error mesage about opening device.
-    if _COULDNT_OPEN_ERROR_RE.match(line):
-      continue
-    # Find start of device information.
-    m = _LSUSB_BUS_DEVICE_RE.match(line)
-    if m:
-      if m.group(1) != bus_id:
-        logging.warning(
-            'Expected bus_id value: %r, seen %r', bus_id, m.group(1))
-      if m.group(2) != dev_id:
-        logging.warning(
-            'Expected dev_id value: %r, seen %r', dev_id, m.group(2))
-      continue
-
-    indent_match = _INDENTATION_RE.match(line)
-    if not indent_match:
-      continue
-
-    depth = 1 + len(indent_match.group(1)) / 2
-    if depth > len(depth_stack):
-      logging.error(
-          'lsusb parsing error: unexpected indentation: "%s"', line)
-      continue
-
-    while depth < len(depth_stack):
-      depth_stack.pop()
-
-    cur = depth_stack[-1]
-
-    m = _LSUSB_GROUP_RE.match(line)
-    if m:
-      new_group = {}
-      cur[m.group(1)] = new_group
-      depth_stack.append(new_group)
-      continue
-
-    m = _LSUSB_ENTRY_RE.match(line)
-    if m:
-      new_entry = {
-        '_value': m.group(2),
-        '_desc': m.group(3),
-      }
-      cur[m.group(1)] = new_entry
-      depth_stack.append(new_entry)
-      continue
-
-    logging.error('lsusb parsing error: unrecognized line: "%s"', line)
-
-  return device
-
-def lsusb():
-  """Call lsusb and return the parsed output."""
-  _, lsusb_list_output = cmd_helper.GetCmdStatusAndOutputWithTimeout(
-      ['lsusb'], timeout=10)
-  devices = []
-  for line in lsusb_list_output.splitlines():
-    m = _LSUSB_BUS_DEVICE_RE.match(line)
-    if m:
-      bus_num = m.group(1)
-      dev_num = m.group(2)
-      try:
-        devices.append(_lsusbv_on_device(bus_num, dev_num))
-      except cmd_helper.TimeoutError:
-        # Will be blacklisted if it is in expected device file, but times out.
-        logging.info('lsusb -v %s:%s timed out.', bus_num, dev_num)
-
-  return devices
-
-def get_lsusb_serial(device):
-  try:
-    return device['Device Descriptor']['iSerial']['_desc']
-  except KeyError:
-    return None
-
-def get_android_devices():
-  return [serial for serial in (get_lsusb_serial(d) for d in lsusb())
-          if serial]