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BUG=b:233893248
TEST=CQ

Change-Id: I66591d7a738d241aed3290138c0f68065ab10a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3879174
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/scripts/build_image.py b/scripts/build_image.py
index 8cd04cf..f38ff66 100644
--- a/scripts/build_image.py
+++ b/scripts/build_image.py
@@ -47,306 +47,387 @@
     help_str: str,
     deprecation_note: str,
     alternate_name: Optional[str] = None,
-    additional_neg_options: Optional[List[str]] = None) -> None:
-  """Build the shell boolean input argument equivalent.
+    additional_neg_options: Optional[List[str]] = None,
+) -> None:
+    """Build the shell boolean input argument equivalent.
 
-  There are two cases which we will need to handle,
-  case 1: A shell boolean arg, which doesn't need to be re-worded in python.
-  case 2: A shell boolean arg, which needs to be re-worded in python.
-  Example below.
-  For Case 1, for a given input arg name 'argA', we create three python
-  arguments.
-  --argA, --noargA, --no-argA. The arguments --argA and --no-argA will be
-  retained after deprecating --noargA.
-  For Case 2, for a given input arg name 'arg_A' we need to use alternate
-  argument name 'arg-A'. we create four python arguments in this case.
-  --arg_A, --noarg_A, --arg-A, --no-arg-A. The first two arguments will be
-  deprecated later.
-  TODO(b/232566937): Remove the creation of --noargA in case 1 and --arg_A and
-  --noarg_A in case 2.
+    There are two cases which we will need to handle,
+    case 1: A shell boolean arg, which doesn't need to be re-worded in python.
+    case 2: A shell boolean arg, which needs to be re-worded in python.
+    Example below.
+    For Case 1, for a given input arg name 'argA', we create three python
+    arguments.
+    --argA, --noargA, --no-argA. The arguments --argA and --no-argA will be
+    retained after deprecating --noargA.
+    For Case 2, for a given input arg name 'arg_A' we need to use alternate
+    argument name 'arg-A'. we create four python arguments in this case.
+    --arg_A, --noarg_A, --arg-A, --no-arg-A. The first two arguments will be
+    deprecated later.
+    TODO(b/232566937): Remove the creation of --noargA in case 1 and --arg_A and
+    --noarg_A in case 2.
 
-  Args:
-    parser: The parser to update.
-    name: The input argument name. This will be used as 'dest' variable name.
-    default_val: The default value to assign.
-    help_str: The help string for the input argument.
-    deprecation_note: A deprecation note to use.
-    alternate_name: Alternate argument to be used after deprecation.
-    additional_neg_options: Additional negative alias options to use.
-  """
-  arg = f'--{name}'
-  shell_narg = f'--no{name}'
-  py_narg = f'--no-{name}'
-  alt_arg = f'--{alternate_name}' if alternate_name else None
-  alt_py_narg = f'--no-{alternate_name}' if alternate_name else None
-  default_val_str = f'{help_str} (Default: %(default)s).'
+    Args:
+      parser: The parser to update.
+      name: The input argument name. This will be used as 'dest' variable name.
+      default_val: The default value to assign.
+      help_str: The help string for the input argument.
+      deprecation_note: A deprecation note to use.
+      alternate_name: Alternate argument to be used after deprecation.
+      additional_neg_options: Additional negative alias options to use.
+    """
+    arg = f"--{name}"
+    shell_narg = f"--no{name}"
+    py_narg = f"--no-{name}"
+    alt_arg = f"--{alternate_name}" if alternate_name else None
+    alt_py_narg = f"--no-{alternate_name}" if alternate_name else None
+    default_val_str = f"{help_str} (Default: %(default)s)."
 
-  if alternate_name:
-    _alternate_narg_list = [alt_py_narg]
-    if additional_neg_options:
-      _alternate_narg_list.extend(additional_neg_options)
+    if alternate_name:
+        _alternate_narg_list = [alt_py_narg]
+        if additional_neg_options:
+            _alternate_narg_list.extend(additional_neg_options)
+
+        parser.add_argument(
+            alt_arg,
+            action="store_true",
+            default=default_val,
+            dest=name,
+            help=default_val_str,
+        )
+        parser.add_argument(
+            *_alternate_narg_list,
+            action="store_false",
+            dest=name,
+            help="Don't " + help_str.lower(),
+        )
 
     parser.add_argument(
-        alt_arg,
-        action='store_true',
+        arg,
+        action="store_true",
         default=default_val,
         dest=name,
-        help=default_val_str)
+        deprecated=deprecation_note % alt_arg if alternate_name else None,
+        help=default_val_str if not alternate_name else argparse.SUPPRESS,
+    )
     parser.add_argument(
-        *_alternate_narg_list,
-        action='store_false',
+        shell_narg,
+        action="store_false",
         dest=name,
-        help="Don't " + help_str.lower())
+        deprecated=deprecation_note
+        % (alt_py_narg if alternate_name else py_narg),
+        help=argparse.SUPPRESS,
+    )
 
-  parser.add_argument(
-      arg,
-      action='store_true',
-      default=default_val,
-      dest=name,
-      deprecated=deprecation_note % alt_arg if alternate_name else None,
-      help=default_val_str if not alternate_name else argparse.SUPPRESS)
-  parser.add_argument(
-      shell_narg,
-      action='store_false',
-      dest=name,
-      deprecated=deprecation_note %
-      (alt_py_narg if alternate_name else py_narg),
-      help=argparse.SUPPRESS)
+    if not alternate_name:
+        _py_narg_list = [py_narg]
+        if additional_neg_options:
+            _py_narg_list.extend(additional_neg_options)
 
-  if not alternate_name:
-    _py_narg_list = [py_narg]
-    if additional_neg_options:
-      _py_narg_list.extend(additional_neg_options)
+        parser.add_argument(
+            *_py_narg_list,
+            action="store_false",
+            dest=name,
+            help="Don't " + help_str.lower(),
+        )
+
+
+def build_shell_string_style_args(
+    parser: commandline.ArgumentParser,
+    name: str,
+    default_val: Optional[str],
+    help_str: str,
+    deprecation_note: str,
+    alternate_name: str,
+) -> None:
+    """Build the shell string input argument equivalent.
+
+    Args:
+      parser: The parser to update.
+      name: The input argument name. This will be used as 'dest' variable name.
+      default_val: The default value to assign.
+      help_str: The help string for the input argument.
+      deprecation_note: A deprecation note to use.
+      alternate_name: Alternate argument to be used after deprecation.
+    """
+    default_val_str = (
+        f"{help_str} (Default: %(default)s)." if default_val else help_str
+    )
 
     parser.add_argument(
-        *_py_narg_list,
-        action='store_false',
-        dest=name,
-        help="Don't " + help_str.lower())
-
-
-def build_shell_string_style_args(parser: commandline.ArgumentParser, name: str,
-                                  default_val: Optional[str], help_str: str,
-                                  deprecation_note: str,
-                                  alternate_name: str) -> None:
-  """Build the shell string input argument equivalent.
-
-  Args:
-    parser: The parser to update.
-    name: The input argument name. This will be used as 'dest' variable name.
-    default_val: The default value to assign.
-    help_str: The help string for the input argument.
-    deprecation_note: A deprecation note to use.
-    alternate_name: Alternate argument to be used after deprecation.
-  """
-  default_val_str = (f'{help_str} (Default: %(default)s).'
-                     if default_val else help_str)
-
-  parser.add_argument(
-      f'--{alternate_name}',
-      dest=f'{name}',
-      default=default_val,
-      help=default_val_str)
-  parser.add_argument(
-      f'--{name}',
-      deprecated=deprecation_note % f'--{alternate_name}',
-      help=argparse.SUPPRESS)
+        f"--{alternate_name}",
+        dest=f"{name}",
+        default=default_val,
+        help=default_val_str,
+    )
+    parser.add_argument(
+        f"--{name}",
+        deprecated=deprecation_note % f"--{alternate_name}",
+        help=argparse.SUPPRESS,
+    )
 
 
 def get_parser() -> commandline.ArgumentParser:
-  """Creates the cmdline argparser, populates the options and description.
+    """Creates the cmdline argparser, populates the options and description.
 
-  Returns:
-    Argument parser.
-  """
-  deprecation_note = 'Argument will be removed January, 2023. Use %s instead.'
-  parser = commandline.ArgumentParser(description=__doc__)
+    Returns:
+      Argument parser.
+    """
+    deprecation_note = "Argument will be removed January, 2023. Use %s instead."
+    parser = commandline.ArgumentParser(description=__doc__)
 
-  parser.add_argument(
-      '-b',
-      '--board',
-      '--build-target',
-      dest='board',
-      default=cros_build_lib.GetDefaultBoard(),
-      help='The board to build images for.')
-  build_shell_string_style_args(
-      parser, 'adjust_part', None,
-      'Adjustments to apply to partition table (LABEL:[+-=]SIZE) '
-      'e.g. ROOT-A:+1G.', deprecation_note, 'adjust-partition')
-  build_shell_string_style_args(
-      parser, 'output_root',
-      Path(constants.DEFAULT_BUILD_ROOT) / 'images',
-      'Directory in which to place image result directories '
-      '(named by version).', deprecation_note, 'output-root')
-  build_shell_string_style_args(
-      parser, 'builder_path', None,
-      'The build name to be installed on DUT during hwtest.', deprecation_note,
-      'builder-path')
-  build_shell_string_style_args(parser, 'disk_layout', 'default',
-                                'The disk layout type to use for this image.',
-                                deprecation_note, 'disk-layout')
+    parser.add_argument(
+        "-b",
+        "--board",
+        "--build-target",
+        dest="board",
+        default=cros_build_lib.GetDefaultBoard(),
+        help="The board to build images for.",
+    )
+    build_shell_string_style_args(
+        parser,
+        "adjust_part",
+        None,
+        "Adjustments to apply to partition table (LABEL:[+-=]SIZE) "
+        "e.g. ROOT-A:+1G.",
+        deprecation_note,
+        "adjust-partition",
+    )
+    build_shell_string_style_args(
+        parser,
+        "output_root",
+        Path(constants.DEFAULT_BUILD_ROOT) / "images",
+        "Directory in which to place image result directories "
+        "(named by version).",
+        deprecation_note,
+        "output-root",
+    )
+    build_shell_string_style_args(
+        parser,
+        "builder_path",
+        None,
+        "The build name to be installed on DUT during hwtest.",
+        deprecation_note,
+        "builder-path",
+    )
+    build_shell_string_style_args(
+        parser,
+        "disk_layout",
+        "default",
+        "The disk layout type to use for this image.",
+        deprecation_note,
+        "disk-layout",
+    )
 
-  # Kernel related options.
-  group = parser.add_argument_group('Kernel Options')
-  build_shell_string_style_args(
-      group, 'enable_serial', None,
-      'Enable serial port for printks. Example values: ttyS0.',
-      deprecation_note, 'enable-serial')
-  group.add_argument(
-      '--kernel-loglevel',
-      type=int,
-      default=7,
-      help='The loglevel to add to the kernel command line. '
-      '(Default: %(default)s).')
-  group.add_argument(
-      '--loglevel',
-      dest='kernel_loglevel',
-      type=int,
-      deprecated=deprecation_note % 'kernel-loglevel',
-      help=argparse.SUPPRESS)
+    # Kernel related options.
+    group = parser.add_argument_group("Kernel Options")
+    build_shell_string_style_args(
+        group,
+        "enable_serial",
+        None,
+        "Enable serial port for printks. Example values: ttyS0.",
+        deprecation_note,
+        "enable-serial",
+    )
+    group.add_argument(
+        "--kernel-loglevel",
+        type=int,
+        default=7,
+        help="The loglevel to add to the kernel command line. "
+        "(Default: %(default)s).",
+    )
+    group.add_argument(
+        "--loglevel",
+        dest="kernel_loglevel",
+        type=int,
+        deprecated=deprecation_note % "kernel-loglevel",
+        help=argparse.SUPPRESS,
+    )
 
-  # Bootloader related options.
-  group = parser.add_argument_group('Bootloader Options')
-  build_shell_string_style_args(
-      group, 'boot_args', 'noinitrd',
-      'Additional boot arguments to pass to the commandline.', deprecation_note,
-      'boot-args')
-  build_shell_bool_style_args(group, 'enable_bootcache', False,
-                              'Make all bootloaders to use boot cache.',
-                              deprecation_note, 'enable-bootcache')
-  build_shell_bool_style_args(
-      group, 'enable_rootfs_verification', True,
-      'Make all bootloaders to use kernel based root-fs integrity checking.',
-      deprecation_note, 'enable-rootfs-verification', ['-r'])
+    # Bootloader related options.
+    group = parser.add_argument_group("Bootloader Options")
+    build_shell_string_style_args(
+        group,
+        "boot_args",
+        "noinitrd",
+        "Additional boot arguments to pass to the commandline.",
+        deprecation_note,
+        "boot-args",
+    )
+    build_shell_bool_style_args(
+        group,
+        "enable_bootcache",
+        False,
+        "Make all bootloaders to use boot cache.",
+        deprecation_note,
+        "enable-bootcache",
+    )
+    build_shell_bool_style_args(
+        group,
+        "enable_rootfs_verification",
+        True,
+        "Make all bootloaders to use kernel based root-fs integrity checking.",
+        deprecation_note,
+        "enable-rootfs-verification",
+        ["-r"],
+    )
 
-  # Advanced options.
-  group = parser.add_argument_group('Advanced Options')
-  group.add_argument(
-      '--build-attempt',
-      type=int,
-      default=1,
-      help='The build attempt for this image build. (Default: %(default)s).')
-  group.add_argument(
-      '--build_attempt',
-      type=int,
-      deprecated=deprecation_note % 'build-attempt',
-      help=argparse.SUPPRESS)
-  build_shell_string_style_args(
-      group, 'build_root',
-      Path(constants.DEFAULT_BUILD_ROOT) / 'images',
-      'Directory in which to compose the image, before copying it to '
-      'output_root.', deprecation_note, 'build-root')
-  group.add_argument(
-      '-j',
-      '--jobs',
-      dest='jobs',
-      type=int,
-      default=os.cpu_count(),
-      help='Number of packages to build in parallel at maximum. '
-      '(Default: %(default)s).')
-  build_shell_bool_style_args(group, 'replace', False,
-                              'Overwrite existing output, if any.',
-                              deprecation_note)
-  group.add_argument(
-      '--symlink',
-      default='latest',
-      help='Symlink name to use for this image. (Default: %(default)s).')
-  group.add_argument(
-      '--version',
-      default=None,
-      help='Overrides version number in name to this version.')
-  build_shell_string_style_args(group, 'output_suffix', None,
-                                'Add custom suffix to output directory.',
-                                deprecation_note, 'output-suffix')
-  group.add_argument(
-      '--eclean',
-      action='store_true',
-      default=True,
-      dest='eclean',
-      deprecated=('eclean is being removed from build_images. Argument will be '
-                  'removed January, 2023.'),
-      help=argparse.SUPPRESS)
-  group.add_argument(
-      '--noeclean',
-      action='store_false',
-      dest='eclean',
-      deprecated=('eclean is being removed from build_images. Argument will be '
-                  'removed January, 2023.'),
-      help=argparse.SUPPRESS)
-  group.add_argument(
-      '--no-eclean',
-      action='store_false',
-      dest='eclean',
-      deprecated=('eclean is being removed from build_images. Argument will be '
-                  'removed January, 2023.'),
-      help=argparse.SUPPRESS)
+    # Advanced options.
+    group = parser.add_argument_group("Advanced Options")
+    group.add_argument(
+        "--build-attempt",
+        type=int,
+        default=1,
+        help="The build attempt for this image build. (Default: %(default)s).",
+    )
+    group.add_argument(
+        "--build_attempt",
+        type=int,
+        deprecated=deprecation_note % "build-attempt",
+        help=argparse.SUPPRESS,
+    )
+    build_shell_string_style_args(
+        group,
+        "build_root",
+        Path(constants.DEFAULT_BUILD_ROOT) / "images",
+        "Directory in which to compose the image, before copying it to "
+        "output_root.",
+        deprecation_note,
+        "build-root",
+    )
+    group.add_argument(
+        "-j",
+        "--jobs",
+        dest="jobs",
+        type=int,
+        default=os.cpu_count(),
+        help="Number of packages to build in parallel at maximum. "
+        "(Default: %(default)s).",
+    )
+    build_shell_bool_style_args(
+        group,
+        "replace",
+        False,
+        "Overwrite existing output, if any.",
+        deprecation_note,
+    )
+    group.add_argument(
+        "--symlink",
+        default="latest",
+        help="Symlink name to use for this image. (Default: %(default)s).",
+    )
+    group.add_argument(
+        "--version",
+        default=None,
+        help="Overrides version number in name to this version.",
+    )
+    build_shell_string_style_args(
+        group,
+        "output_suffix",
+        None,
+        "Add custom suffix to output directory.",
+        deprecation_note,
+        "output-suffix",
+    )
+    group.add_argument(
+        "--eclean",
+        action="store_true",
+        default=True,
+        dest="eclean",
+        deprecated=(
+            "eclean is being removed from build_images. Argument will be "
+            "removed January, 2023."
+        ),
+        help=argparse.SUPPRESS,
+    )
+    group.add_argument(
+        "--noeclean",
+        action="store_false",
+        dest="eclean",
+        deprecated=(
+            "eclean is being removed from build_images. Argument will be "
+            "removed January, 2023."
+        ),
+        help=argparse.SUPPRESS,
+    )
+    group.add_argument(
+        "--no-eclean",
+        action="store_false",
+        dest="eclean",
+        deprecated=(
+            "eclean is being removed from build_images. Argument will be "
+            "removed January, 2023."
+        ),
+        help=argparse.SUPPRESS,
+    )
 
-  parser.add_argument(
-      'images',
-      nargs='*',
-      default=['dev'],
-      help='list of images to build. (Default: %(default)s).')
+    parser.add_argument(
+        "images",
+        nargs="*",
+        default=["dev"],
+        help="list of images to build. (Default: %(default)s).",
+    )
 
-  return parser
+    return parser
 
 
 def parse_args(
-    argv: List[str]
+    argv: List[str],
 ) -> Tuple[commandline.ArgumentParser, commandline.ArgumentNamespace]:
-  """Parse and validate CLI arguments.
+    """Parse and validate CLI arguments.
 
-  Args:
-    argv: Arguments passed via CLI.
+    Args:
+      argv: Arguments passed via CLI.
 
-  Returns:
-    Tuple having the below two,
-    Argument Parser
-    Validated argument namespace.
-  """
-  parser = get_parser()
-  opts = parser.parse_args(argv)
+    Returns:
+      Tuple having the below two,
+      Argument Parser
+      Validated argument namespace.
+    """
+    parser = get_parser()
+    opts = parser.parse_args(argv)
 
-  opts.build_run_config = image.BuildConfig(
-      adjust_partition=opts.adjust_part,
-      output_root=opts.output_root,
-      builder_path=opts.builder_path,
-      disk_layout=opts.disk_layout,
-      enable_serial=opts.enable_serial,
-      kernel_loglevel=opts.kernel_loglevel,
-      boot_args=opts.boot_args,
-      enable_bootcache=opts.enable_bootcache,
-      enable_rootfs_verification=opts.enable_rootfs_verification,
-      build_attempt=opts.build_attempt,
-      build_root=opts.build_root,
-      jobs=opts.jobs,
-      replace=opts.replace,
-      symlink=opts.symlink,
-      version=opts.version,
-      output_dir_suffix=opts.output_suffix,
-  )
-  opts.Freeze()
+    opts.build_run_config = image.BuildConfig(
+        adjust_partition=opts.adjust_part,
+        output_root=opts.output_root,
+        builder_path=opts.builder_path,
+        disk_layout=opts.disk_layout,
+        enable_serial=opts.enable_serial,
+        kernel_loglevel=opts.kernel_loglevel,
+        boot_args=opts.boot_args,
+        enable_bootcache=opts.enable_bootcache,
+        enable_rootfs_verification=opts.enable_rootfs_verification,
+        build_attempt=opts.build_attempt,
+        build_root=opts.build_root,
+        jobs=opts.jobs,
+        replace=opts.replace,
+        symlink=opts.symlink,
+        version=opts.version,
+        output_dir_suffix=opts.output_suffix,
+    )
+    opts.Freeze()
 
-  return parser, opts
+    return parser, opts
 
 
-@timer.timed('Elapsed time (build_image)')
+@timer.timed("Elapsed time (build_image)")
 def main(argv: Optional[List[str]] = None) -> Optional[int]:
-  commandline.RunInsideChroot()
-  parser, opts = parse_args(argv)
+    commandline.RunInsideChroot()
+    parser, opts = parse_args(argv)
 
-  # If the opts.board is not set, then it means user hasn't specified a default
-  # board in 'src/scripts/.default_board' and didn't specify it as input
-  # argument.
-  if not opts.board:
-    parser.error('--board is required')
+    # If the opts.board is not set, then it means user hasn't specified a default
+    # board in 'src/scripts/.default_board' and didn't specify it as input
+    # argument.
+    if not opts.board:
+        parser.error("--board is required")
 
-  invalid_image = [
-      x for x in opts.images if x not in constants.IMAGE_TYPE_TO_NAME
-  ]
-  if invalid_image:
-    parser.error(f'Invalid image type argument(s) {invalid_image}')
+    invalid_image = [
+        x for x in opts.images if x not in constants.IMAGE_TYPE_TO_NAME
+    ]
+    if invalid_image:
+        parser.error(f"Invalid image type argument(s) {invalid_image}")
 
-  result = image.Build(opts.board, opts.images, opts.build_run_config)
-  if result.run_error:
-    cros_build_lib.Die(
-        f'Error running build_image. Exit Code : {result.return_code}')
+    result = image.Build(opts.board, opts.images, opts.build_run_config)
+    if result.run_error:
+        cros_build_lib.Die(
+            f"Error running build_image. Exit Code : {result.return_code}"
+        )