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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/cros_generate_tidy_warnings.py b/scripts/cros_generate_tidy_warnings.py
index ccb6a8e..0273a2b 100644
--- a/scripts/cros_generate_tidy_warnings.py
+++ b/scripts/cros_generate_tidy_warnings.py
@@ -13,88 +13,103 @@
 from chromite.lib import sudo
 
 
-DEFAULT_NAME = 'clang_tidy_warnings.tar.xz'
-TIDY_WARNINGS = 'clang_tidy_warnings'
-PARSING_SCRIPT = ('/mnt/host/source/src/third_party/toolchain-utils/'
-                  'clang_tidy/clang_tidy_parse_build_log.py')
-WORKING_DIR = '/usr/bin'
+DEFAULT_NAME = "clang_tidy_warnings.tar.xz"
+TIDY_WARNINGS = "clang_tidy_warnings"
+PARSING_SCRIPT = (
+    "/mnt/host/source/src/third_party/toolchain-utils/"
+    "clang_tidy/clang_tidy_parse_build_log.py"
+)
+WORKING_DIR = "/usr/bin"
 
 
 def ParseCommandLine(argv):
-  """Parse args, and run environment-independent checks."""
-  parser = commandline.ArgumentParser(description=__doc__)
-  parser.add_argument('--board', required=True,
-                      help=('The board to generate the sysroot for.'))
-  parser.add_argument('--logs-dir', required=True,
-                      help=('The directory containg the logs files to '
-                            'be parsed.'))
-  parser.add_argument('--out-dir', type='path', required=True,
-                      help='Directory to place the generated tarball.')
-  parser.add_argument('--out-file', default=DEFAULT_NAME,
-                      help='The name to give to the tarball. '
-                           'Defaults to %(default)s.')
-  options = parser.parse_args(argv)
+    """Parse args, and run environment-independent checks."""
+    parser = commandline.ArgumentParser(description=__doc__)
+    parser.add_argument(
+        "--board",
+        required=True,
+        help=("The board to generate the sysroot for."),
+    )
+    parser.add_argument(
+        "--logs-dir",
+        required=True,
+        help=("The directory containg the logs files to " "be parsed."),
+    )
+    parser.add_argument(
+        "--out-dir",
+        type="path",
+        required=True,
+        help="Directory to place the generated tarball.",
+    )
+    parser.add_argument(
+        "--out-file",
+        default=DEFAULT_NAME,
+        help="The name to give to the tarball. " "Defaults to %(default)s.",
+    )
+    options = parser.parse_args(argv)
 
-  return options
+    return options
 
 
 class GenerateTidyWarnings(object):
-  """Wrapper for generation functionality."""
+    """Wrapper for generation functionality."""
 
-  def __init__(self, warnings_dir, options):
-    """Initialize
+    def __init__(self, warnings_dir, options):
+        """Initialize
 
-    Args:
-      warnings_dir: Path to warnings directory.
-      options: Parsed options.
-    """
-    self.warnings_dir = warnings_dir
-    self.options = options
+        Args:
+          warnings_dir: Path to warnings directory.
+          options: Parsed options.
+        """
+        self.warnings_dir = warnings_dir
+        self.options = options
 
-  def _FindLogFiles(self, logs_dir):
-    files = []
-    filelist = os.listdir(logs_dir)
-    for f in filelist:
-      logfile = os.path.join(logs_dir, f)
-      files.append(logfile)
-    return files
+    def _FindLogFiles(self, logs_dir):
+        files = []
+        filelist = os.listdir(logs_dir)
+        for f in filelist:
+            logfile = os.path.join(logs_dir, f)
+            files.append(logfile)
+        return files
 
-  def _ParseLogFiles(self):
-    log_files = self._FindLogFiles(self.options.logs_dir)
-    for f in log_files:
-      # Copy log file to output directory because this is what we want to
-      # upload to gs
-      shutil.copy2(f, self.warnings_dir)
+    def _ParseLogFiles(self):
+        log_files = self._FindLogFiles(self.options.logs_dir)
+        for f in log_files:
+            # Copy log file to output directory because this is what we want to
+            # upload to gs
+            shutil.copy2(f, self.warnings_dir)
 
-  def _CreateTarball(self):
-    tarball_path = os.path.join(self.options.out_dir, self.options.out_file)
-    cros_build_lib.CreateTarball(tarball_path, self.warnings_dir, sudo=True)
+    def _CreateTarball(self):
+        tarball_path = os.path.join(self.options.out_dir, self.options.out_file)
+        cros_build_lib.CreateTarball(tarball_path, self.warnings_dir, sudo=True)
 
-  def Perform(self):
-    """Generate the warnings files."""
-    self._ParseLogFiles()
-    self._CreateTarball()
+    def Perform(self):
+        """Generate the warnings files."""
+        self._ParseLogFiles()
+        self._CreateTarball()
 
 
 def FinishParsing(options):
-  """Run environment dependent checks on parsed args."""
-  target = os.path.join(options.out_dir, options.out_file)
-  if os.path.exists(target):
-    cros_build_lib.Die('Output file %r already exists.' % target)
+    """Run environment dependent checks on parsed args."""
+    target = os.path.join(options.out_dir, options.out_file)
+    if os.path.exists(target):
+        cros_build_lib.Die("Output file %r already exists." % target)
 
-  if not os.path.isdir(options.out_dir):
-    cros_build_lib.Die(
-        'Non-existent directory %r specified for --out-dir' % options.out_dir)
+    if not os.path.isdir(options.out_dir):
+        cros_build_lib.Die(
+            "Non-existent directory %r specified for --out-dir"
+            % options.out_dir
+        )
 
 
 def main(argv):
-  options = ParseCommandLine(argv)
-  FinishParsing(options)
+    options = ParseCommandLine(argv)
+    FinishParsing(options)
 
-  cros_build_lib.AssertInsideChroot()
+    cros_build_lib.AssertInsideChroot()
 
-  with sudo.SudoKeepAlive(ttyless_sudo=False):
-    with osutils.TempDir(set_global=True, sudo_rm=True) as tempdir:
-      warnings_dir = os.path.join(tempdir, TIDY_WARNINGS)
-      os.mkdir(warnings_dir)
-      GenerateTidyWarnings(warnings_dir, options).Perform()
+    with sudo.SudoKeepAlive(ttyless_sudo=False):
+        with osutils.TempDir(set_global=True, sudo_rm=True) as tempdir:
+            warnings_dir = os.path.join(tempdir, TIDY_WARNINGS)
+            os.mkdir(warnings_dir)
+            GenerateTidyWarnings(warnings_dir, options).Perform()