#!/usr/bin/env python
# Copyright 2017 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.

# Using colorama.Fore/Back/Style members
# pylint: disable=no-member

import argparse
import collections
import json
import logging
import os
import pipes
import posixpath
import random
import re
import shlex
import shutil
import sys
import tempfile
import textwrap

import devil_chromium
from devil import devil_env
from devil.android import apk_helper
from devil.android import device_errors
from devil.android import device_utils
from devil.android import flag_changer
from devil.android.sdk import adb_wrapper
from devil.android.sdk import intent
from devil.android.sdk import version_codes
from devil.utils import run_tests_helper

with devil_env.SysPath(os.path.join(os.path.dirname(__file__), '..', '..',
                                    'third_party', 'colorama', 'src')):
  import colorama

from incremental_install import installer
from pylib import constants
from pylib.symbols import deobfuscator
from pylib.utils import simpleperf
from pylib.utils import app_bundle_utils

with devil_env.SysPath(os.path.join(os.path.dirname(__file__), '..', '..',
                                    'build', 'android', 'gyp')):
  import bundletool

# Matches messages only on pre-L (Dalvik) that are spammy and unimportant.
_DALVIK_IGNORE_PATTERN = re.compile('|'.join([
    r'^Added shared lib',
    r'^Could not find ',
    r'^DexOpt:',
    r'^GC_',
    r'^Late-enabling CheckJNI',
    r'^Link of class',
    r'^No JNI_OnLoad found in',
    r'^Trying to load lib',
    r'^Unable to resolve superclass',
    r'^VFY:',
    r'^WAIT_',
    ]))

BASE_MODULE = 'base'


def _Colorize(text, style=''):
  return (style
      + text
      + colorama.Style.RESET_ALL)


def _InstallApk(devices, apk, install_dict):
  def install(device):
    if install_dict:
      installer.Install(device, install_dict, apk=apk)
    else:
      device.Install(apk, allow_downgrade=True, reinstall=True)

  logging.info('Installing %sincremental apk.', '' if install_dict else 'non-')
  device_utils.DeviceUtils.parallel(devices).pMap(install)


# A named tuple containing the information needed to convert a bundle into
# an installable .apks archive.
# Fields:
#   bundle_path: Path to input bundle file.
#   bundle_apk_path: Path to output bundle .apks archive file.
#   aapt2_path: Path to aapt2 tool.
#   keystore_path: Path to keystore file.
#   keystore_password: Password for the keystore file.
#   keystore_alias: Signing key name alias within the keystore file.
BundleGenerationInfo = collections.namedtuple(
    'BundleGenerationInfo',
    'bundle_path,bundle_apks_path,aapt2_path,keystore_path,keystore_password,'
    'keystore_alias')


def _GenerateBundleApks(info,
                        output_path,
                        minimal=False,
                        minimal_sdk_version=None,
                        universal=False):
  """Generate an .apks archive from a bundle on demand.

  Args:
    info: A BundleGenerationInfo instance.
    output_path: Path of output .apks archive.
    minimal: Create the minimal set of apks possible (english-only).
    minimal_sdk_version: When minimal=True, use this sdkVersion.
    universal: Whether to create a single APK that contains the contents of all
        modules.
  """
  app_bundle_utils.GenerateBundleApks(
      info.bundle_path,
      output_path,
      info.aapt2_path,
      info.keystore_path,
      info.keystore_password,
      info.keystore_alias,
      universal=universal,
      minimal=minimal,
      minimal_sdk_version=minimal_sdk_version)


def _InstallBundle(devices, bundle_apks, package_name, command_line_flags_file,
                   modules, fake_modules):
  # Path to push fake modules for Chrome to pick up.
  MODULES_SRC_DIRECTORY_PATH = '/data/local/tmp/modules'
  # Path Chrome creates after validating fake modules. This needs to be cleared
  # for pushed fake modules to be picked up.
  SPLITCOMPAT_PATH = '/data/data/' + package_name + '/files/splitcompat'
  # Chrome command line flag needed for fake modules to work.
  FAKE_FEATURE_MODULE_INSTALL = '--fake-feature-module-install'

  def ShouldWarnFakeFeatureModuleInstallFlag(device):
    if command_line_flags_file:
      changer = flag_changer.FlagChanger(device, command_line_flags_file)
      return FAKE_FEATURE_MODULE_INSTALL not in changer.GetCurrentFlags()
    return False

  def ClearFakeModules(device):
    for path in [SPLITCOMPAT_PATH, MODULES_SRC_DIRECTORY_PATH]:
      if device.PathExists(path, as_root=True):
        device.RemovePath(path, force=True, recursive=True, as_root=True)
        logging.info('Removed %s', path)
      else:
        logging.info('Skipped removing nonexistent %s', path)

  def InstallFakeModules(device):
    try:
      temp_path = tempfile.mkdtemp()

      # Device-spec JSON is needed, so create that first.
      device_spec_filename = os.path.join(temp_path, 'device_spec.json')
      get_device_spec_cmd_args = [
          'get-device-spec', '--adb=' + adb_wrapper.AdbWrapper.GetAdbPath(),
          '--device-id=' + device.serial, '--output=' + device_spec_filename
      ]
      bundletool.RunBundleTool(get_device_spec_cmd_args)

      # Extract fake modules to temp directory. For now, installation requires
      # running 'bundletool extract-apks'. Unfortunately, this leads to unneeded
      # compression of module files.
      extract_apks_cmd_args = [
          'extract-apks', '--apks=' + bundle_apks,
          '--device-spec=' + device_spec_filename,
          '--modules=' + ','.join(fake_modules), '--output-dir=' + temp_path
      ]
      bundletool.RunBundleTool(extract_apks_cmd_args)

      # Push fake modules, with renames.
      for fake_module in fake_modules:
        remote = posixpath.join(MODULES_SRC_DIRECTORY_PATH,
                                '%s.apk' % fake_module)
        # Try |local| filename alternatives, and ensure there's exactly one.
        # TODO(huangs): Handle fake packages with different languages: See
        #     http://crbug.com/925358.
        local_choices = []
        for suffix in ['-master.apk', '-master_2.apk']:
          local = os.path.join(temp_path, fake_module + suffix)
          if os.path.isfile(local):
            local_choices.append(local)
        if len(local_choices) != 1:
          raise Exception('Expect 1 matching local file for %s' % fake_module)
        device.adb.Push(local_choices[0], remote)
    finally:
      shutil.rmtree(temp_path, ignore_errors=True)

  def Install(device):
    ClearFakeModules(device)
    if fake_modules:
      # Print warning if command line is not set up for fake modules.
      if ShouldWarnFakeFeatureModuleInstallFlag(device):
        msg = ('Command line has no %s: Fake modules will be ignored.' %
               FAKE_FEATURE_MODULE_INSTALL)
        print _Colorize(msg, colorama.Fore.YELLOW + colorama.Style.BRIGHT)
      InstallFakeModules(device)

    # NOTE: For now, installation requires running 'bundletool install-apks'.
    # TODO(digit): Add proper support for bundles to devil instead, then use it.
    install_cmd_args = [
        'install-apks', '--apks=' + bundle_apks,
        '--adb=' + adb_wrapper.AdbWrapper.GetAdbPath(),
        '--device-id=' + device.serial
    ]
    if modules:
      install_cmd_args += ['--modules=' + ','.join(modules)]
    bundletool.RunBundleTool(install_cmd_args)

  # Basic checks for |modules| and |fake_modules|.
  # * |fake_modules| cannot include 'base'.
  # * If |fake_modules| is given, ensure |modules| includes 'base'.
  # * They must be disjoint.
  modules_set = set(modules) if modules else set()
  fake_modules_set = set(fake_modules) if fake_modules else set()
  if BASE_MODULE in fake_modules_set:
    raise Exception('\'-f {}\' is disallowed.'.format(BASE_MODULE))
  if fake_modules_set and BASE_MODULE not in modules_set:
    raise Exception(
        '\'-f FAKE\' must be accompanied by \'-m {}\''.format(BASE_MODULE))
  if fake_modules_set.intersection(modules_set):
    raise Exception('\'-m\' and \'-f\' entries must be disjoint.')

  logging.info('Installing bundle.')
  device_utils.DeviceUtils.parallel(devices).pMap(Install)


def _UninstallApk(devices, install_dict, package_name):
  def uninstall(device):
    if install_dict:
      installer.Uninstall(device, package_name)
    else:
      device.Uninstall(package_name)
  device_utils.DeviceUtils.parallel(devices).pMap(uninstall)


def _NormalizeProcessName(debug_process_name, package_name):
  if not debug_process_name:
    debug_process_name = package_name
  elif debug_process_name.startswith(':'):
    debug_process_name = package_name + debug_process_name
  elif '.' not in debug_process_name:
    debug_process_name = package_name + ':' + debug_process_name
  return debug_process_name


def _LaunchUrl(devices, package_name, argv=None, command_line_flags_file=None,
               url=None, apk=None, wait_for_java_debugger=False,
               debug_process_name=None, nokill=None):
  if argv and command_line_flags_file is None:
    raise Exception('This apk does not support any flags.')
  if url:
    # TODO(agrieve): Launch could be changed to require only package name by
    #     parsing "dumpsys package" rather than relying on the apk.
    if not apk:
      raise Exception('Launching with URL is not supported when using '
                      '--package-name. Use --apk-path instead.')
    view_activity = apk.GetViewActivityName()
    if not view_activity:
      raise Exception('APK does not support launching with URLs.')

  debug_process_name = _NormalizeProcessName(debug_process_name, package_name)

  def launch(device):
    # --persistent is required to have Settings.Global.DEBUG_APP be set, which
    # we currently use to allow reading of flags. https://crbug.com/784947
    if not nokill:
      cmd = ['am', 'set-debug-app', '--persistent', debug_process_name]
      if wait_for_java_debugger:
        cmd[-1:-1] = ['-w']
      # Ignore error since it will fail if apk is not debuggable.
      device.RunShellCommand(cmd, check_return=False)

      # The flags are first updated with input args.
      if command_line_flags_file:
        changer = flag_changer.FlagChanger(device, command_line_flags_file)
        flags = []
        if argv:
          flags = shlex.split(argv)
        try:
          changer.ReplaceFlags(flags)
        except device_errors.AdbShellCommandFailedError:
          logging.exception('Failed to set flags')

    if url is None:
      # Simulate app icon click if no url is present.
      cmd = ['monkey', '-p', package_name, '-c',
             'android.intent.category.LAUNCHER', '1']
      device.RunShellCommand(cmd, check_return=True)
    else:
      launch_intent = intent.Intent(action='android.intent.action.VIEW',
                                    activity=view_activity, data=url,
                                    package=package_name)
      device.StartActivity(launch_intent)
  device_utils.DeviceUtils.parallel(devices).pMap(launch)
  if wait_for_java_debugger:
    print ('Waiting for debugger to attach to process: ' +
           _Colorize(debug_process_name, colorama.Fore.YELLOW))


def _ChangeFlags(devices, argv, command_line_flags_file):
  if argv is None:
    _DisplayArgs(devices, command_line_flags_file)
  else:
    flags = shlex.split(argv)
    def update(device):
      changer = flag_changer.FlagChanger(device, command_line_flags_file)
      changer.ReplaceFlags(flags)
    device_utils.DeviceUtils.parallel(devices).pMap(update)


def _TargetCpuToTargetArch(target_cpu):
  if target_cpu == 'x64':
    return 'x86_64'
  if target_cpu == 'mipsel':
    return 'mips'
  return target_cpu


def _RunGdb(device, package_name, debug_process_name, pid, output_directory,
            target_cpu, port, ide, verbose):
  if not pid:
    debug_process_name = _NormalizeProcessName(debug_process_name, package_name)
    pid = device.GetApplicationPids(debug_process_name, at_most_one=True)
  if not pid:
    # Attaching gdb makes the app run so slow that it takes *minutes* to start
    # up (as of 2018). Better to just fail than to start & attach.
    raise Exception('App not running.')

  gdb_script_path = os.path.dirname(__file__) + '/adb_gdb'
  cmd = [
      gdb_script_path,
      '--package-name=%s' % package_name,
      '--output-directory=%s' % output_directory,
      '--adb=%s' % adb_wrapper.AdbWrapper.GetAdbPath(),
      '--device=%s' % device.serial,
      '--pid=%s' % pid,
      '--port=%d' % port,
  ]
  if ide:
    cmd.append('--ide')
  # Enable verbose output of adb_gdb if it's set for this script.
  if verbose:
    cmd.append('--verbose')
  if target_cpu:
    cmd.append('--target-arch=%s' % _TargetCpuToTargetArch(target_cpu))
  logging.warning('Running: %s', ' '.join(pipes.quote(x) for x in cmd))
  print _Colorize(
      'All subsequent output is from adb_gdb script.', colorama.Fore.YELLOW)
  os.execv(gdb_script_path, cmd)


def _PrintPerDeviceOutput(devices, results, single_line=False):
  for d, result in zip(devices, results):
    if not single_line and d is not devices[0]:
      sys.stdout.write('\n')
    sys.stdout.write(
          _Colorize('{} ({}):'.format(d, d.build_description),
                    colorama.Fore.YELLOW))
    sys.stdout.write(' ' if single_line else '\n')
    yield result


def _RunMemUsage(devices, package_name, query_app=False):
  cmd_args = ['dumpsys', 'meminfo']
  if not query_app:
    cmd_args.append('--local')

  def mem_usage_helper(d):
    ret = []
    for process in sorted(_GetPackageProcesses(d, package_name)):
      meminfo = d.RunShellCommand(cmd_args + [str(process.pid)])
      ret.append((process.name, '\n'.join(meminfo)))
    return ret

  parallel_devices = device_utils.DeviceUtils.parallel(devices)
  all_results = parallel_devices.pMap(mem_usage_helper).pGet(None)
  for result in _PrintPerDeviceOutput(devices, all_results):
    if not result:
      print 'No processes found.'
    else:
      for name, usage in sorted(result):
        print _Colorize(
            '==== Output of "dumpsys meminfo %s" ====' % name,
            colorama.Fore.GREEN)
        print usage


def _DuHelper(device, path_spec, run_as=None):
  """Runs "du -s -k |path_spec|" on |device| and returns parsed result.

  Args:
    device: A DeviceUtils instance.
    path_spec: The list of paths to run du on. May contain shell expansions
        (will not be escaped).
    run_as: Package name to run as, or None to run as shell user. If not None
        and app is not android:debuggable (run-as fails), then command will be
        run as root.

  Returns:
    A dict of path->size in KiB containing all paths in |path_spec| that exist
    on device. Paths that do not exist are silently ignored.
  """
  # Example output for: du -s -k /data/data/org.chromium.chrome/{*,.*}
  # 144     /data/data/org.chromium.chrome/cache
  # 8       /data/data/org.chromium.chrome/files
  # <snip>
  # du: .*: No such file or directory

  # The -d flag works differently across android version, so use -s instead.
  # Without the explicit 2>&1, stderr and stdout get combined at random :(.
  cmd_str = 'du -s -k ' + path_spec + ' 2>&1'
  lines = device.RunShellCommand(cmd_str, run_as=run_as, shell=True,
                                 check_return=False)
  output = '\n'.join(lines)
  # run-as: Package 'com.android.chrome' is not debuggable
  if output.startswith('run-as:'):
    # check_return=False needed for when some paths in path_spec do not exist.
    lines = device.RunShellCommand(cmd_str, as_root=True, shell=True,
                                   check_return=False)
  ret = {}
  try:
    for line in lines:
      # du: .*: No such file or directory
      if line.startswith('du:'):
        continue
      size, subpath = line.split(None, 1)
      ret[subpath] = int(size)
    return ret
  except ValueError:
    logging.error('du command was: %s', cmd_str)
    logging.error('Failed to parse du output:\n%s', output)
    raise


def _RunDiskUsage(devices, package_name):
  # Measuring dex size is a bit complicated:
  # https://source.android.com/devices/tech/dalvik/jit-compiler
  #
  # For KitKat and below:
  #   dumpsys package contains:
  #     dataDir=/data/data/org.chromium.chrome
  #     codePath=/data/app/org.chromium.chrome-1.apk
  #     resourcePath=/data/app/org.chromium.chrome-1.apk
  #     nativeLibraryPath=/data/app-lib/org.chromium.chrome-1
  #   To measure odex:
  #     ls -l /data/dalvik-cache/data@app@org.chromium.chrome-1.apk@classes.dex
  #
  # For Android L and M (and maybe for N+ system apps):
  #   dumpsys package contains:
  #     codePath=/data/app/org.chromium.chrome-1
  #     resourcePath=/data/app/org.chromium.chrome-1
  #     legacyNativeLibraryDir=/data/app/org.chromium.chrome-1/lib
  #   To measure odex:
  #     # Option 1:
  #  /data/dalvik-cache/arm/data@app@org.chromium.chrome-1@base.apk@classes.dex
  #  /data/dalvik-cache/arm/data@app@org.chromium.chrome-1@base.apk@classes.vdex
  #     ls -l /data/dalvik-cache/profiles/org.chromium.chrome
  #         (these profiles all appear to be 0 bytes)
  #     # Option 2:
  #     ls -l /data/app/org.chromium.chrome-1/oat/arm/base.odex
  #
  # For Android N+:
  #   dumpsys package contains:
  #     dataDir=/data/user/0/org.chromium.chrome
  #     codePath=/data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==
  #     resourcePath=/data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==
  #     legacyNativeLibraryDir=/data/app/org.chromium.chrome-GUID/lib
  #     Instruction Set: arm
  #       path: /data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==/base.apk
  #       status: /data/.../oat/arm/base.odex[status=kOatUpToDate, compilation_f
  #       ilter=quicken]
  #     Instruction Set: arm64
  #       path: /data/app/org.chromium.chrome-UuCZ71IE-i5sZgHAkU49_w==/base.apk
  #       status: /data/.../oat/arm64/base.odex[status=..., compilation_filter=q
  #       uicken]
  #   To measure odex:
  #     ls -l /data/app/.../oat/arm/base.odex
  #     ls -l /data/app/.../oat/arm/base.vdex (optional)
  #   To measure the correct odex size:
  #     cmd package compile -m speed org.chromium.chrome  # For webview
  #     cmd package compile -m speed-profile org.chromium.chrome  # For others
  def disk_usage_helper(d):
    package_output = '\n'.join(d.RunShellCommand(
        ['dumpsys', 'package', package_name], check_return=True))
    # Does not return error when apk is not installed.
    if not package_output or 'Unable to find package:' in package_output:
      return None

    # Ignore system apks that have updates installed.
    package_output = re.sub(r'Hidden system packages:.*?^\b', '',
                            package_output, flags=re.S | re.M)

    try:
      data_dir = re.search(r'dataDir=(.*)', package_output).group(1)
      code_path = re.search(r'codePath=(.*)', package_output).group(1)
      lib_path = re.search(r'(?:legacyN|n)ativeLibrary(?:Dir|Path)=(.*)',
                           package_output).group(1)
    except AttributeError:
      raise Exception('Error parsing dumpsys output: ' + package_output)

    if code_path.startswith('/system'):
      logging.warning('Measurement of system image apks can be innacurate')

    compilation_filters = set()
    # Match "compilation_filter=value", where a line break can occur at any spot
    # (refer to examples above).
    awful_wrapping = r'\s*'.join('compilation_filter=')
    for m in re.finditer(awful_wrapping + r'([\s\S]+?)[\],]', package_output):
      compilation_filters.add(re.sub(r'\s+', '', m.group(1)))
    compilation_filter = ','.join(sorted(compilation_filters))

    data_dir_sizes = _DuHelper(d, '%s/{*,.*}' % data_dir, run_as=package_name)
    # Measure code_cache separately since it can be large.
    code_cache_sizes = {}
    code_cache_dir = next(
        (k for k in data_dir_sizes if k.endswith('/code_cache')), None)
    if code_cache_dir:
      data_dir_sizes.pop(code_cache_dir)
      code_cache_sizes = _DuHelper(d, '%s/{*,.*}' % code_cache_dir,
                                   run_as=package_name)

    apk_path_spec = code_path
    if not apk_path_spec.endswith('.apk'):
      apk_path_spec += '/*.apk'
    apk_sizes = _DuHelper(d, apk_path_spec)
    if lib_path.endswith('/lib'):
      # Shows architecture subdirectory.
      lib_sizes = _DuHelper(d, '%s/{*,.*}' % lib_path)
    else:
      lib_sizes = _DuHelper(d, lib_path)

    # Look at all possible locations for odex files.
    odex_paths = []
    for apk_path in apk_sizes:
      mangled_apk_path = apk_path[1:].replace('/', '@')
      apk_basename = posixpath.basename(apk_path)[:-4]
      for ext in ('dex', 'odex', 'vdex', 'art'):
        # Easier to check all architectures than to determine active ones.
        for arch in ('arm', 'arm64', 'x86', 'x86_64', 'mips', 'mips64'):
          odex_paths.append(
              '%s/oat/%s/%s.%s' % (code_path, arch, apk_basename, ext))
          # No app could possibly have more than 6 dex files.
          for suffix in ('', '2', '3', '4', '5'):
            odex_paths.append('/data/dalvik-cache/%s/%s@classes%s.%s' % (
                arch, mangled_apk_path, suffix, ext))
            # This path does not have |arch|, so don't repeat it for every arch.
            if arch == 'arm':
              odex_paths.append('/data/dalvik-cache/%s@classes%s.dex' % (
                  mangled_apk_path, suffix))

    odex_sizes = _DuHelper(d, ' '.join(pipes.quote(p) for p in odex_paths))

    return (data_dir_sizes, code_cache_sizes, apk_sizes, lib_sizes, odex_sizes,
            compilation_filter)

  def print_sizes(desc, sizes):
    print '%s: %d KiB' % (desc, sum(sizes.itervalues()))
    for path, size in sorted(sizes.iteritems()):
      print '    %s: %s KiB' % (path, size)

  parallel_devices = device_utils.DeviceUtils.parallel(devices)
  all_results = parallel_devices.pMap(disk_usage_helper).pGet(None)
  for result in _PrintPerDeviceOutput(devices, all_results):
    if not result:
      print 'APK is not installed.'
      continue

    (data_dir_sizes, code_cache_sizes, apk_sizes, lib_sizes, odex_sizes,
     compilation_filter) = result
    total = sum(sum(sizes.itervalues()) for sizes in result[:-1])

    print_sizes('Apk', apk_sizes)
    print_sizes('App Data (non-code cache)', data_dir_sizes)
    print_sizes('App Data (code cache)', code_cache_sizes)
    print_sizes('Native Libs', lib_sizes)
    show_warning = compilation_filter and 'speed' not in compilation_filter
    compilation_filter = compilation_filter or 'n/a'
    print_sizes('odex (compilation_filter=%s)' % compilation_filter, odex_sizes)
    if show_warning:
      logging.warning('For a more realistic odex size, run:')
      logging.warning('    %s compile-dex [speed|speed-profile]', sys.argv[0])
    print 'Total: %s KiB (%.1f MiB)' % (total, total / 1024.0)


class _LogcatProcessor(object):
  ParsedLine = collections.namedtuple(
      'ParsedLine',
      ['date', 'invokation_time', 'pid', 'tid', 'priority', 'tag', 'message'])

  def __init__(self, device, package_name, deobfuscate=None, verbose=False):
    self._device = device
    self._package_name = package_name
    self._verbose = verbose
    self._deobfuscator = deobfuscate
    self._primary_pid = None
    self._my_pids = set()
    self._seen_pids = set()
    self._UpdateMyPids()

  def _UpdateMyPids(self):
    # We intentionally do not clear self._my_pids to make sure that the
    # ProcessLine method below also includes lines from processes which may
    # have already exited.
    self._primary_pid = None
    for process in _GetPackageProcesses(self._device, self._package_name):
      # We take only the first "main" process found in order to account for
      # possibly forked() processes.
      if ':' not in process.name and self._primary_pid is None:
        self._primary_pid = process.pid
      self._my_pids.add(process.pid)

  def _GetPidStyle(self, pid, dim=False):
    if pid == self._primary_pid:
      return colorama.Fore.WHITE
    elif pid in self._my_pids:
      # TODO(wnwen): Use one separate persistent color per process, pop LRU
      return colorama.Fore.YELLOW
    elif dim:
      return colorama.Style.DIM
    return ''

  def _GetPriorityStyle(self, priority, dim=False):
    # pylint:disable=no-self-use
    if dim:
      return ''
    style = ''
    if priority == 'E' or priority == 'F':
      style = colorama.Back.RED
    elif priority == 'W':
      style = colorama.Back.YELLOW
    elif priority == 'I':
      style = colorama.Back.GREEN
    elif priority == 'D':
      style = colorama.Back.BLUE
    return style + colorama.Fore.BLACK

  def _ParseLine(self, line):
    tokens = line.split(None, 6)
    date = tokens[0]
    invokation_time = tokens[1]
    pid = int(tokens[2])
    tid = int(tokens[3])
    priority = tokens[4]
    tag = tokens[5]
    if len(tokens) > 6:
      original_message = tokens[6]
    else:  # Empty log message
      original_message = ''
    # Example:
    #   09-19 06:35:51.113  9060  9154 W GCoreFlp: No location...
    #   09-19 06:01:26.174  9060 10617 I Auth    : [ReflectiveChannelBinder]...
    # Parsing "GCoreFlp:" vs "Auth    :", we only want tag to contain the word,
    # and we don't want to keep the colon for the message.
    if tag[-1] == ':':
      tag = tag[:-1]
    else:
      original_message = original_message[2:]
    return self.ParsedLine(
        date, invokation_time, pid, tid, priority, tag, original_message)

  def _PrintParsedLine(self, parsed_line, dim=False):
    tid_style = ''
    # Make the main thread bright.
    if not dim and parsed_line.pid == parsed_line.tid:
      tid_style = colorama.Style.BRIGHT
    pid_style = self._GetPidStyle(parsed_line.pid, dim)
    # We have to pad before adding color as that changes the width of the tag.
    pid_str = _Colorize('{:5}'.format(parsed_line.pid), pid_style)
    tid_str = _Colorize('{:5}'.format(parsed_line.tid), tid_style)
    tag = _Colorize('{:8}'.format(parsed_line.tag),
                    pid_style + ('' if dim else colorama.Style.BRIGHT))
    priority = _Colorize(parsed_line.priority,
                         self._GetPriorityStyle(parsed_line.priority))
    messages = [parsed_line.message]
    if self._deobfuscator:
      messages = self._deobfuscator.TransformLines(messages)
    for message in messages:
      message = _Colorize(message, pid_style)
      sys.stdout.write('{} {} {} {} {} {}: {}\n'.format(
          parsed_line.date, parsed_line.invokation_time, pid_str, tid_str,
          priority, tag, message))

  def ProcessLine(self, line, fast=False):
    if not line or line.startswith('------'):
      return
    log = self._ParseLine(line)
    if log.pid not in self._seen_pids:
      self._seen_pids.add(log.pid)
      if not fast:
        self._UpdateMyPids()

    owned_pid = log.pid in self._my_pids
    if fast and not owned_pid:
      return
    if owned_pid and not self._verbose and log.tag == 'dalvikvm':
      if _DALVIK_IGNORE_PATTERN.match(log.message):
        return

    if owned_pid or self._verbose or (
        log.priority == 'F' or  # Java crash dump
        log.tag == 'ActivityManager' or  # Android system
        log.tag == 'DEBUG'):  # Native crash dump
      self._PrintParsedLine(log, not owned_pid)


def _RunLogcat(device, package_name, mapping_path, verbose):
  deobfuscate = None
  if mapping_path:
    try:
      deobfuscate = deobfuscator.Deobfuscator(mapping_path)
    except OSError:
      sys.stderr.write('Error executing "bin/java_deobfuscate". '
                       'Did you forget to build it?\n')
      sys.exit(1)

  try:
    logcat_processor = _LogcatProcessor(
        device, package_name, deobfuscate, verbose)
    nonce = 'apk_wrappers.py nonce={}'.format(random.random())
    device.RunShellCommand(['log', nonce])
    fast = True
    for line in device.adb.Logcat(logcat_format='threadtime'):
      try:
        logcat_processor.ProcessLine(line, fast)
      except:
        sys.stderr.write('Failed to process line: ' + line)
        raise
      if fast and nonce in line:
        fast = False
  except KeyboardInterrupt:
    pass  # Don't show stack trace upon Ctrl-C
  finally:
    if mapping_path:
      deobfuscate.Close()


def _GetPackageProcesses(device, package_name):
  return [
      p for p in device.ListProcesses(package_name)
      if p.name == package_name or p.name.startswith(package_name + ':')]


def _RunPs(devices, package_name):
  parallel_devices = device_utils.DeviceUtils.parallel(devices)
  all_processes = parallel_devices.pMap(
      lambda d: _GetPackageProcesses(d, package_name)).pGet(None)
  for processes in _PrintPerDeviceOutput(devices, all_processes):
    if not processes:
      print 'No processes found.'
    else:
      proc_map = collections.defaultdict(list)
      for p in processes:
        proc_map[p.name].append(str(p.pid))
      for name, pids in sorted(proc_map.items()):
        print name, ','.join(pids)


def _RunShell(devices, package_name, cmd):
  if cmd:
    parallel_devices = device_utils.DeviceUtils.parallel(devices)
    outputs = parallel_devices.RunShellCommand(
        cmd, run_as=package_name).pGet(None)
    for output in _PrintPerDeviceOutput(devices, outputs):
      for line in output:
        print line
  else:
    adb_path = adb_wrapper.AdbWrapper.GetAdbPath()
    cmd = [adb_path, '-s', devices[0].serial, 'shell']
    # Pre-N devices do not support -t flag.
    if devices[0].build_version_sdk >= version_codes.NOUGAT:
      cmd += ['-t', 'run-as', package_name]
    else:
      print 'Upon entering the shell, run:'
      print 'run-as', package_name
      print
    os.execv(adb_path, cmd)


def _RunCompileDex(devices, package_name, compilation_filter):
  cmd = ['cmd', 'package', 'compile', '-f', '-m', compilation_filter,
         package_name]
  parallel_devices = device_utils.DeviceUtils.parallel(devices)
  outputs = parallel_devices.RunShellCommand(cmd, timeout=120).pGet(None)
  for output in _PrintPerDeviceOutput(devices, outputs):
    for line in output:
      print line


def _RunProfile(device, package_name, host_build_directory, pprof_out_path,
                process_specifier, thread_specifier, extra_args):
  simpleperf.PrepareDevice(device)
  device_simpleperf_path = simpleperf.InstallSimpleperf(device, package_name)
  with tempfile.NamedTemporaryFile() as fh:
    host_simpleperf_out_path = fh.name

    with simpleperf.RunSimpleperf(device, device_simpleperf_path, package_name,
                                  process_specifier, thread_specifier,
                                  extra_args, host_simpleperf_out_path):
      sys.stdout.write('Profiler is running; press Enter to stop...')
      sys.stdin.read(1)
      sys.stdout.write('Post-processing data...')
      sys.stdout.flush()

    simpleperf.ConvertSimpleperfToPprof(host_simpleperf_out_path,
                                        host_build_directory, pprof_out_path)
    print textwrap.dedent("""
        Profile data written to %(s)s.

        To view profile as a call graph in browser:
          pprof -web %(s)s

        To print the hottest methods:
          pprof -top %(s)s

        pprof has many useful customization options; `pprof --help` for details.
        """ % {'s': pprof_out_path})


def _GenerateAvailableDevicesMessage(devices):
  devices_obj = device_utils.DeviceUtils.parallel(devices)
  descriptions = devices_obj.pMap(lambda d: d.build_description).pGet(None)
  msg = 'Available devices:\n'
  for d, desc in zip(devices, descriptions):
    msg += '  %s (%s)\n' % (d, desc)
  return msg


# TODO(agrieve):add "--all" in the MultipleDevicesError message and use it here.
def _GenerateMissingAllFlagMessage(devices):
  return ('More than one device available. Use --all to select all devices, ' +
          'or use --device to select a device by serial.\n\n' +
          _GenerateAvailableDevicesMessage(devices))


def _DisplayArgs(devices, command_line_flags_file):
  def flags_helper(d):
    changer = flag_changer.FlagChanger(d, command_line_flags_file)
    return changer.GetCurrentFlags()

  parallel_devices = device_utils.DeviceUtils.parallel(devices)
  outputs = parallel_devices.pMap(flags_helper).pGet(None)
  print 'Existing flags per-device (via /data/local/tmp/{}):'.format(
      command_line_flags_file)
  for flags in _PrintPerDeviceOutput(devices, outputs, single_line=True):
    quoted_flags = ' '.join(pipes.quote(f) for f in flags)
    print quoted_flags or 'No flags set.'


def _DeviceCachePath(device, output_directory):
  file_name = 'device_cache_%s.json' % device.serial
  return os.path.join(output_directory, file_name)


def _LoadDeviceCaches(devices, output_directory):
  if not output_directory:
    return
  for d in devices:
    cache_path = _DeviceCachePath(d, output_directory)
    if os.path.exists(cache_path):
      logging.debug('Using device cache: %s', cache_path)
      with open(cache_path) as f:
        d.LoadCacheData(f.read())
      # Delete the cached file so that any exceptions cause it to be cleared.
      os.unlink(cache_path)
    else:
      logging.debug('No cache present for device: %s', d)


def _SaveDeviceCaches(devices, output_directory):
  if not output_directory:
    return
  for d in devices:
    cache_path = _DeviceCachePath(d, output_directory)
    with open(cache_path, 'w') as f:
      f.write(d.DumpCacheData())
      logging.info('Wrote device cache: %s', cache_path)


class _Command(object):
  name = None
  description = None
  long_description = None
  needs_package_name = False
  needs_output_directory = False
  needs_apk_path = False
  supports_incremental = False
  accepts_command_line_flags = False
  accepts_args = False
  need_device_args = True
  all_devices_by_default = False
  calls_exec = False
  supports_multiple_devices = True

  def __init__(self, from_wrapper_script, is_bundle):
    self._parser = None
    self._from_wrapper_script = from_wrapper_script
    self.args = None
    self.apk_helper = None
    self.install_dict = None
    self.devices = None
    self.is_bundle = is_bundle
    self.bundle_generation_info = None
    # Only support  incremental install from APK wrapper scripts.
    if is_bundle or not from_wrapper_script:
      self.supports_incremental = False

  def RegisterBundleGenerationInfo(self, bundle_generation_info):
    self.bundle_generation_info = bundle_generation_info

  def _RegisterExtraArgs(self, subp):
    pass

  def RegisterArgs(self, parser):
    subp = parser.add_parser(
        self.name, help=self.description,
        description=self.long_description or self.description,
        formatter_class=argparse.RawDescriptionHelpFormatter)
    self._parser = subp
    subp.set_defaults(command=self)
    if self.need_device_args:
      subp.add_argument('--all',
                        action='store_true',
                        default=self.all_devices_by_default,
                        help='Operate on all connected devices.',)
      subp.add_argument('-d',
                        '--device',
                        action='append',
                        default=[],
                        dest='devices',
                        help='Target device for script to work on. Enter '
                            'multiple times for multiple devices.')
    subp.add_argument('-v',
                      '--verbose',
                      action='count',
                      default=0,
                      dest='verbose_count',
                      help='Verbose level (multiple times for more)')
    group = subp.add_argument_group('%s arguments' % self.name)

    if self.needs_package_name:
      # Three cases to consider here, since later code assumes
      #  self.args.package_name always exists, even if None:
      #
      # - Called from a bundle wrapper script, the package_name is already
      #   set through parser.set_defaults(), so don't call add_argument()
      #   to avoid overriding its value.
      #
      # - Called from an apk wrapper script. The --package-name argument
      #   should not appear, but self.args.package_name will be gleaned from
      #   the --apk-path file later.
      #
      # - Called directly, then --package-name is required on the command-line.
      #
      if not self.is_bundle:
        group.add_argument(
            '--package-name',
            help=argparse.SUPPRESS if self._from_wrapper_script else (
                "App's package name."))

    if self.needs_apk_path or self.needs_package_name:
      # Adding this argument to the subparser would override the set_defaults()
      # value set by on the parent parser (even if None).
      if not self._from_wrapper_script and not self.is_bundle:
        group.add_argument('--apk-path',
                           required=self.needs_apk_path,
                           help='Path to .apk')

    if self.supports_incremental:
      group.add_argument('--incremental',
                          action='store_true',
                          default=False,
                          help='Always install an incremental apk.')
      group.add_argument('--non-incremental',
                          action='store_true',
                          default=False,
                          help='Always install a non-incremental apk.')

    # accepts_command_line_flags and accepts_args are mutually exclusive.
    # argparse will throw if they are both set.
    if self.accepts_command_line_flags:
      group.add_argument(
          '--args', help='Command-line flags. Use = to assign args.')

    if self.accepts_args:
      group.add_argument(
          '--args', help='Extra arguments. Use = to assign args')

    if not self._from_wrapper_script and self.accepts_command_line_flags:
      # Provided by wrapper scripts.
      group.add_argument(
          '--command-line-flags-file',
          help='Name of the command-line flags file')

    self._RegisterExtraArgs(group)

  def ProcessArgs(self, args):
    self.args = args
    # Ensure these keys always exist. They are set by wrapper scripts, but not
    # always added when not using wrapper scripts.
    args.__dict__.setdefault('apk_path', None)
    args.__dict__.setdefault('incremental_json', None)

    incremental_apk_path = None
    if args.incremental_json and not (self.supports_incremental and
                                      args.non_incremental):
      with open(args.incremental_json) as f:
        install_dict = json.load(f)
        incremental_apk_path = os.path.join(args.output_directory,
                                            install_dict['apk_path'])
        if not os.path.exists(incremental_apk_path):
          incremental_apk_path = None

    if self.supports_incremental:
      if args.incremental and args.non_incremental:
        self._parser.error('Must use only one of --incremental and '
                           '--non-incremental')
      elif args.non_incremental:
        if not args.apk_path:
          self._parser.error('Apk has not been built.')
      elif args.incremental:
        if not incremental_apk_path:
          self._parser.error('Incremental apk has not been built.')
        args.apk_path = None

      if args.apk_path and incremental_apk_path:
        self._parser.error('Both incremental and non-incremental apks exist. '
                           'Select using --incremental or --non-incremental')

    if ((self.needs_apk_path and not self.is_bundle) or args.apk_path or
        incremental_apk_path):
      if args.apk_path:
        self.apk_helper = apk_helper.ToHelper(args.apk_path)
      elif incremental_apk_path:
        self.install_dict = install_dict
        self.apk_helper = apk_helper.ToHelper(incremental_apk_path)
      else:
        self._parser.error('Apk is not built.')

    if self.needs_package_name and not args.package_name:
      if self.apk_helper:
        args.package_name = self.apk_helper.GetPackageName()
      elif self._from_wrapper_script:
        self._parser.error('Apk is not built.')
      else:
        self._parser.error('One of --package-name or --apk-path is required.')

    self.devices = []
    if self.need_device_args:
      # See https://crbug.com/887964 regarding bundle support in apk_helper.
      abis = None
      if not self.is_bundle and self.apk_helper is not None:
        abis = self.apk_helper.GetAbis()
      self.devices = device_utils.DeviceUtils.HealthyDevices(
          device_arg=args.devices,
          enable_device_files_cache=bool(args.output_directory),
          default_retries=0,
          abis=abis)
      # TODO(agrieve): Device cache should not depend on output directory.
      #     Maybe put int /tmp?
      _LoadDeviceCaches(self.devices, args.output_directory)

      try:
        if len(self.devices) > 1:
          if not self.supports_multiple_devices:
            self._parser.error(device_errors.MultipleDevicesError(self.devices))
          if not args.all and not args.devices:
            self._parser.error(_GenerateMissingAllFlagMessage(self.devices))
        # Save cache now if command will not get a chance to afterwards.
        if self.calls_exec:
          _SaveDeviceCaches(self.devices, args.output_directory)
      except:
        _SaveDeviceCaches(self.devices, args.output_directory)
        raise


class _DevicesCommand(_Command):
  name = 'devices'
  description = 'Describe attached devices.'
  all_devices_by_default = True

  def Run(self):
    print _GenerateAvailableDevicesMessage(self.devices)


class _InstallCommand(_Command):
  name = 'install'
  description = 'Installs the APK or bundle to one or more devices.'
  needs_apk_path = True
  supports_incremental = True

  def _RegisterExtraArgs(self, group):
    if self.is_bundle:
      group.add_argument(
          '-m',
          '--module',
          action='append',
          help='Module to install. Can be specified multiple times. ' +
          'One of them has to be \'{}\''.format(BASE_MODULE))
      group.add_argument(
          '-f',
          '--fake',
          action='append',
          help='Fake bundle module install. Can be specified multiple times. '
          'Requires \'-m {0}\' to be given, and \'-f {0}\' is illegal.'.format(
              BASE_MODULE))

  def Run(self):
    if self.is_bundle:
      # Store .apks file beside the .aab file so that it gets cached.
      output_path = self.bundle_generation_info.bundle_apks_path
      _GenerateBundleApks(self.bundle_generation_info, output_path)
      _InstallBundle(self.devices, output_path, self.args.package_name,
                     self.args.command_line_flags_file, self.args.module,
                     self.args.fake)
    else:
      _InstallApk(self.devices, self.apk_helper, self.install_dict)


class _UninstallCommand(_Command):
  name = 'uninstall'
  description = 'Removes the APK or bundle from one or more devices.'
  needs_package_name = True

  def Run(self):
    _UninstallApk(self.devices, self.install_dict, self.args.package_name)


class _LaunchCommand(_Command):
  name = 'launch'
  description = ('Sends a launch intent for the APK or bundle after first '
                 'writing the command-line flags file.')
  needs_package_name = True
  accepts_command_line_flags = True
  all_devices_by_default = True

  def _RegisterExtraArgs(self, group):
    group.add_argument('-w', '--wait-for-java-debugger', action='store_true',
                       help='Pause execution until debugger attaches. Applies '
                            'only to the main process. To have renderers wait, '
                            'use --args="--renderer-wait-for-java-debugger"')
    group.add_argument('--debug-process-name',
                       help='Name of the process to debug. '
                            'E.g. "privileged_process0", or "foo.bar:baz"')
    group.add_argument('--nokill', action='store_true',
                       help='Do not set the debug-app, nor set command-line '
                            'flags. Useful to load a URL without having the '
                             'app restart.')
    group.add_argument('url', nargs='?', help='A URL to launch with.')

  def Run(self):
    if self.args.url and self.is_bundle:
      # TODO(digit): Support this, maybe by using 'dumpsys' as described
      # in the _LaunchUrl() comment.
      raise Exception('Launching with URL not supported for bundles yet!')
    _LaunchUrl(self.devices, self.args.package_name, argv=self.args.args,
               command_line_flags_file=self.args.command_line_flags_file,
               url=self.args.url, apk=self.apk_helper,
               wait_for_java_debugger=self.args.wait_for_java_debugger,
               debug_process_name=self.args.debug_process_name,
               nokill=self.args.nokill)


class _StopCommand(_Command):
  name = 'stop'
  description = 'Force-stops the app.'
  needs_package_name = True
  all_devices_by_default = True

  def Run(self):
    device_utils.DeviceUtils.parallel(self.devices).ForceStop(
        self.args.package_name)


class _ClearDataCommand(_Command):
  name = 'clear-data'
  descriptions = 'Clears all app data.'
  needs_package_name = True
  all_devices_by_default = True

  def Run(self):
    device_utils.DeviceUtils.parallel(self.devices).ClearApplicationState(
        self.args.package_name)


class _ArgvCommand(_Command):
  name = 'argv'
  description = 'Display and optionally update command-line flags file.'
  needs_package_name = True
  accepts_command_line_flags = True
  all_devices_by_default = True

  def Run(self):
    _ChangeFlags(self.devices, self.args.args,
                 self.args.command_line_flags_file)


class _GdbCommand(_Command):
  name = 'gdb'
  description = 'Runs //build/android/adb_gdb with apk-specific args.'
  long_description = description + """

To attach to a process other than the APK's main process, use --pid=1234.
To list all PIDs, use the "ps" command.

If no apk process is currently running, sends a launch intent.
"""
  needs_package_name = True
  needs_output_directory = True
  calls_exec = True
  supports_multiple_devices = False

  def Run(self):
    _RunGdb(self.devices[0], self.args.package_name,
            self.args.debug_process_name, self.args.pid,
            self.args.output_directory, self.args.target_cpu, self.args.port,
            self.args.ide, bool(self.args.verbose_count))

  def _RegisterExtraArgs(self, group):
    pid_group = group.add_mutually_exclusive_group()
    pid_group.add_argument('--debug-process-name',
                           help='Name of the process to attach to. '
                                'E.g. "privileged_process0", or "foo.bar:baz"')
    pid_group.add_argument('--pid',
                           help='The process ID to attach to. Defaults to '
                                'the main process for the package.')
    group.add_argument('--ide', action='store_true',
                       help='Rather than enter a gdb prompt, set up the '
                            'gdb connection and wait for an IDE to '
                            'connect.')
    # Same default port that ndk-gdb.py uses.
    group.add_argument('--port', type=int, default=5039,
                       help='Use the given port for the GDB connection')


class _LogcatCommand(_Command):
  name = 'logcat'
  description = 'Runs "adb logcat" with filters relevant the current APK.'
  long_description = description + """

"Relevant filters" means:
  * Log messages from processes belonging to the apk,
  * Plus log messages from log tags: ActivityManager|DEBUG,
  * Plus fatal logs from any process,
  * Minus spamy dalvikvm logs (for pre-L devices).

Colors:
  * Primary process is white
  * Other processes (gpu, renderer) are yellow
  * Non-apk processes are grey
  * UI thread has a bolded Thread-ID

Java stack traces are detected and deobfuscated (for release builds).

To disable filtering, (but keep coloring), use --verbose.
"""
  needs_package_name = True
  supports_multiple_devices = False

  def Run(self):
    mapping = self.args.proguard_mapping_path
    if self.args.no_deobfuscate:
      mapping = None
    _RunLogcat(self.devices[0], self.args.package_name, mapping,
               bool(self.args.verbose_count))

  def _RegisterExtraArgs(self, group):
    if self._from_wrapper_script:
      group.add_argument('--no-deobfuscate', action='store_true',
          help='Disables ProGuard deobfuscation of logcat.')
    else:
      group.set_defaults(no_deobfuscate=False)
      group.add_argument('--proguard-mapping-path',
          help='Path to ProGuard map (enables deobfuscation)')


class _PsCommand(_Command):
  name = 'ps'
  description = 'Show PIDs of any APK processes currently running.'
  needs_package_name = True
  all_devices_by_default = True

  def Run(self):
    _RunPs(self.devices, self.args.package_name)


class _DiskUsageCommand(_Command):
  name = 'disk-usage'
  description = 'Show how much device storage is being consumed by the app.'
  needs_package_name = True
  all_devices_by_default = True

  def Run(self):
    _RunDiskUsage(self.devices, self.args.package_name)


class _MemUsageCommand(_Command):
  name = 'mem-usage'
  description = 'Show memory usage of currently running APK processes.'
  needs_package_name = True
  all_devices_by_default = True

  def _RegisterExtraArgs(self, group):
    group.add_argument('--query-app', action='store_true',
        help='Do not add --local to "dumpsys meminfo". This will output '
             'additional metrics (e.g. Context count), but also cause memory '
             'to be used in order to gather the metrics.')

  def Run(self):
    _RunMemUsage(self.devices, self.args.package_name,
                 query_app=self.args.query_app)


class _ShellCommand(_Command):
  name = 'shell'
  description = ('Same as "adb shell <command>", but runs as the apk\'s uid '
                 '(via run-as). Useful for inspecting the app\'s data '
                 'directory.')
  needs_package_name = True

  @property
  def calls_exec(self):
    return not self.args.cmd

  @property
  def supports_multiple_devices(self):
    return not self.args.cmd

  def _RegisterExtraArgs(self, group):
    group.add_argument(
        'cmd', nargs=argparse.REMAINDER, help='Command to run.')

  def Run(self):
    _RunShell(self.devices, self.args.package_name, self.args.cmd)


class _CompileDexCommand(_Command):
  name = 'compile-dex'
  description = ('Applicable only for Android N+. Forces .odex files to be '
                 'compiled with the given compilation filter. To see existing '
                 'filter, use "disk-usage" command.')
  needs_package_name = True
  all_devices_by_default = True

  def _RegisterExtraArgs(self, group):
    group.add_argument(
        'compilation_filter',
        choices=['verify', 'quicken', 'space-profile', 'space',
                 'speed-profile', 'speed'],
        help='For WebView/Monochrome, use "speed". For other apks, use '
             '"speed-profile".')

  def Run(self):
    _RunCompileDex(self.devices, self.args.package_name,
                   self.args.compilation_filter)


class _ProfileCommand(_Command):
  name = 'profile'
  description = ('Run the simpleperf sampling CPU profiler on the currently-'
                 'running APK. If --args is used, the extra arguments will be '
                 'passed on to simpleperf; otherwise, the following default '
                 'arguments are used: -g -f 1000 -o /data/local/tmp/perf.data')
  needs_package_name = True
  needs_output_directory = True
  supports_multiple_devices = False
  accepts_args = True

  def _RegisterExtraArgs(self, group):
    group.add_argument(
        '--profile-process', default='browser',
        help=('Which process to profile. This may be a process name or pid '
              'such as you would get from running `%s ps`; or '
              'it can be one of (browser, renderer, gpu).' % sys.argv[0]))
    group.add_argument(
        '--profile-thread', default=None,
        help=('(Optional) Profile only a single thread. This may be either a '
              'thread ID such as you would get by running `adb shell ps -t` '
              '(pre-Oreo) or `adb shell ps -e -T` (Oreo and later); or it may '
              'be one of (io, compositor, main, render), in which case '
              '--profile-process is also required. (Note that "render" thread '
              'refers to a thread in the browser process that manages a '
              'renderer; to profile the main thread of the renderer process, '
              'use --profile-thread=main).'))
    group.add_argument('--profile-output', default='profile.pb',
                       help='Output file for profiling data')

  def Run(self):
    extra_args = shlex.split(self.args.args or '')
    _RunProfile(self.devices[0], self.args.package_name,
                self.args.output_directory, self.args.profile_output,
                self.args.profile_process, self.args.profile_thread,
                extra_args)


class _RunCommand(_InstallCommand, _LaunchCommand, _LogcatCommand):
  name = 'run'
  description = 'Install, launch, and show logcat (when targeting one device).'
  all_devices_by_default = False
  supports_multiple_devices = True

  def _RegisterExtraArgs(self, group):
    _InstallCommand._RegisterExtraArgs(self, group)
    _LaunchCommand._RegisterExtraArgs(self, group)
    _LogcatCommand._RegisterExtraArgs(self, group)
    group.add_argument('--no-logcat', action='store_true',
                       help='Install and launch, but do not enter logcat.')

  def Run(self):
    logging.warning('Installing...')
    _InstallCommand.Run(self)
    logging.warning('Sending launch intent...')
    _LaunchCommand.Run(self)
    if len(self.devices) == 1 and not self.args.no_logcat:
      logging.warning('Entering logcat...')
      _LogcatCommand.Run(self)


class _BuildBundleApks(_Command):
  name = 'build-bundle-apks'
  description = ('Build the .apks archive from an Android app bundle, and '
                 'optionally copy it to a specific destination.')
  need_device_args = False

  def _RegisterExtraArgs(self, group):
    group.add_argument(
        '--output-apks', required=True, help='Destination path for .apks file.')
    group.add_argument(
        '--minimal',
        action='store_true',
        help='Build .apks archive that targets the bundle\'s minSdkVersion and '
        'contains only english splits. It still contains optional splits.')
    group.add_argument(
        '--sdk-version',
        help='Implies --minimal. The sdkVersion to build the .apks for.')
    group.add_argument('--universal', action='store_true',
                       help='Build .apks archive containing single APK with '
                            'contents of all splits. NOTE: Won\'t add modules '
                            'with <dist:fusing dist:include="false"/> flag.')

  def Run(self):
    _GenerateBundleApks(
        self.bundle_generation_info,
        self.args.output_apks,
        minimal=self.args.sdk_version is not None or self.args.minimal,
        minimal_sdk_version=self.args.sdk_version,
        universal=self.args.universal)


# Shared commands for regular APKs and app bundles.
_COMMANDS = [
    _DevicesCommand,
    _InstallCommand,
    _UninstallCommand,
    _LaunchCommand,
    _StopCommand,
    _ClearDataCommand,
    _ArgvCommand,
    _GdbCommand,
    _LogcatCommand,
    _PsCommand,
    _DiskUsageCommand,
    _MemUsageCommand,
    _ShellCommand,
    _CompileDexCommand,
    _ProfileCommand,
    _RunCommand,
]

# Commands specific to app bundles.
_BUNDLE_COMMANDS = [
    _BuildBundleApks,
]


def _ParseArgs(parser, from_wrapper_script, is_bundle):
  subparsers = parser.add_subparsers()
  command_list = _COMMANDS + (_BUNDLE_COMMANDS if is_bundle else [])
  commands = [clazz(from_wrapper_script, is_bundle) for clazz in command_list]

  for command in commands:
    if from_wrapper_script or not command.needs_output_directory:
      command.RegisterArgs(subparsers)

  # Show extended help when no command is passed.
  argv = sys.argv[1:]
  if not argv:
    argv = ['--help']

  return parser.parse_args(argv)


def _RunInternal(parser, output_directory=None, bundle_generation_info=None):
  colorama.init()
  parser.set_defaults(output_directory=output_directory)
  from_wrapper_script = bool(output_directory)
  args = _ParseArgs(parser, from_wrapper_script, bool(bundle_generation_info))
  run_tests_helper.SetLogLevel(args.verbose_count)
  args.command.ProcessArgs(args)
  if bundle_generation_info:
    args.command.RegisterBundleGenerationInfo(bundle_generation_info)
  args.command.Run()
  # Incremental install depends on the cache being cleared when uninstalling.
  if args.command.name != 'uninstall':
    _SaveDeviceCaches(args.command.devices, output_directory)


def Run(output_directory, apk_path, incremental_json, command_line_flags_file,
        target_cpu, proguard_mapping_path):
  """Entry point for generated wrapper scripts."""
  constants.SetOutputDirectory(output_directory)
  devil_chromium.Initialize(output_directory=output_directory)
  parser = argparse.ArgumentParser()
  exists_or_none = lambda p: p if p and os.path.exists(p) else None
  parser.set_defaults(
      command_line_flags_file=command_line_flags_file,
      target_cpu=target_cpu,
      apk_path=exists_or_none(apk_path),
      incremental_json=exists_or_none(incremental_json),
      proguard_mapping_path=proguard_mapping_path)
  _RunInternal(parser, output_directory=output_directory)


def RunForBundle(output_directory, bundle_path, bundle_apks_path,
                 aapt2_path, keystore_path, keystore_password,
                 keystore_alias, package_name, command_line_flags_file,
                 proguard_mapping_path, target_cpu):
  """Entry point for generated app bundle wrapper scripts.

  Args:
    output_dir: Chromium output directory path.
    bundle_path: Input bundle path.
    bundle_apks_path: Output bundle .apks archive path.
    aapt2_path: Aapt2 tool path.
    keystore_path: Keystore file path.
    keystore_password: Keystore password.
    keystore_alias: Signing key name alias in keystore file.
    package_name: Application's package name.
    command_line_flags_file: Optional. Name of an on-device file that will be
      used to store command-line flags for this bundle.
    proguard_mapping_path: Input path to the Proguard mapping file, used to
      deobfuscate Java stack traces.
    target_cpu: Chromium target CPU name, used by the 'gdb' command.
  """
  constants.SetOutputDirectory(output_directory)
  devil_chromium.Initialize(output_directory=output_directory)
  bundle_generation_info = BundleGenerationInfo(
      bundle_path=bundle_path,
      bundle_apks_path=bundle_apks_path,
      aapt2_path=aapt2_path,
      keystore_path=keystore_path,
      keystore_password=keystore_password,
      keystore_alias=keystore_alias)

  parser = argparse.ArgumentParser()
  parser.set_defaults(
      package_name=package_name,
      command_line_flags_file=command_line_flags_file,
      proguard_mapping_path=proguard_mapping_path,
      target_cpu=target_cpu)
  _RunInternal(parser, output_directory=output_directory,
               bundle_generation_info=bundle_generation_info)


def main():
  devil_chromium.Initialize()
  _RunInternal(argparse.ArgumentParser(), output_directory=None)


if __name__ == '__main__':
  main()