Format python files using yapf

Change-Id: I8b7b97efb6bfdcceef9efc533cdaa0675ab7db40
diff --git a/tools/apk_utils.py b/tools/apk_utils.py
index 1da8d47..8ced491 100755
--- a/tools/apk_utils.py
+++ b/tools/apk_utils.py
@@ -15,116 +15,118 @@
 
 USAGE = 'usage: %prog [options] <apk>'
 
+
 def parse_options():
-  parser = optparse.OptionParser(usage=USAGE)
-  parser.add_option('--keystore',
-                    help='keystore file (default ~/.android/app.keystore)',
-                    default='~/.android/app.keystore')
-  parser.add_option('--sign',
-                    help='Sign the passed in apk.',
-                    default=False,
-                    action='store_true')
-  parser.add_option('--use_apksigner',
-                    help='Use apksigner to sign.',
-                    default=False,
-                    action='store_true')
-  parser.add_option('--output',
-                    help='Where to put the signed apk.)',
-                    default=None)
+    parser = optparse.OptionParser(usage=USAGE)
+    parser.add_option('--keystore',
+                      help='keystore file (default ~/.android/app.keystore)',
+                      default='~/.android/app.keystore')
+    parser.add_option('--sign',
+                      help='Sign the passed in apk.',
+                      default=False,
+                      action='store_true')
+    parser.add_option('--use_apksigner',
+                      help='Use apksigner to sign.',
+                      default=False,
+                      action='store_true')
+    parser.add_option('--output',
+                      help='Where to put the signed apk.)',
+                      default=None)
 
-  (options, args) = parser.parse_args()
-  if len(args) != 1:
-    parser.error('Expected <apk> argument, got: ' + ' '.join(args))
-  apk = args[0]
-  return (options, apk)
+    (options, args) = parser.parse_args()
+    if len(args) != 1:
+        parser.error('Expected <apk> argument, got: ' + ' '.join(args))
+    apk = args[0]
+    return (options, apk)
 
-def add_baseline_profile_to_apk(
-    apk, baseline_profile, baseline_profile_metadata, tmp_dir):
-  if baseline_profile is None:
-    return apk
-  ts = time.time_ns()
-  dest_apk = os.path.join(tmp_dir, 'app-%s.apk' % ts)
-  dest_apk_aligned = os.path.join(tmp_dir, 'app-aligned-%s.apk' % ts)
-  dest_apk_signed = os.path.join(tmp_dir, 'app-signed-%s.apk' % ts)
-  shutil.copy2(apk, dest_apk)
-  zip_utils.remove_files_from_zip(
-      ['assets/dexopt/baseline.prof', 'assets/dexopt/baseline.profm'], dest_apk)
-  zip_utils.add_file_to_zip(
-      baseline_profile, 'assets/dexopt/baseline.prof', dest_apk)
-  if baseline_profile_metadata is not None:
-    zip_utils.add_file_to_zip(
-        baseline_profile_metadata, 'assets/dexopt/baseline.profm', dest_apk)
-  align(dest_apk, dest_apk_aligned)
-  sign_with_apksigner(dest_apk_aligned, dest_apk_signed)
-  return dest_apk_signed
+
+def add_baseline_profile_to_apk(apk, baseline_profile,
+                                baseline_profile_metadata, tmp_dir):
+    if baseline_profile is None:
+        return apk
+    ts = time.time_ns()
+    dest_apk = os.path.join(tmp_dir, 'app-%s.apk' % ts)
+    dest_apk_aligned = os.path.join(tmp_dir, 'app-aligned-%s.apk' % ts)
+    dest_apk_signed = os.path.join(tmp_dir, 'app-signed-%s.apk' % ts)
+    shutil.copy2(apk, dest_apk)
+    zip_utils.remove_files_from_zip(
+        ['assets/dexopt/baseline.prof', 'assets/dexopt/baseline.profm'],
+        dest_apk)
+    zip_utils.add_file_to_zip(baseline_profile, 'assets/dexopt/baseline.prof',
+                              dest_apk)
+    if baseline_profile_metadata is not None:
+        zip_utils.add_file_to_zip(baseline_profile_metadata,
+                                  'assets/dexopt/baseline.profm', dest_apk)
+    align(dest_apk, dest_apk_aligned)
+    sign_with_apksigner(dest_apk_aligned, dest_apk_signed)
+    return dest_apk_signed
+
 
 def align(apk, aligned_apk):
-  zipalign_path = (
-      'zipalign' if 'build_tools' in os.environ.get('PATH')
-      else os.path.join(utils.getAndroidBuildTools(), 'zipalign'))
-  cmd = [zipalign_path, '-f', '-p', '4', apk, aligned_apk]
-  utils.RunCmd(cmd, quiet=True, logging=False)
-  return aligned_apk
+    zipalign_path = ('zipalign' if 'build_tools' in os.environ.get('PATH') else
+                     os.path.join(utils.getAndroidBuildTools(), 'zipalign'))
+    cmd = [zipalign_path, '-f', '-p', '4', apk, aligned_apk]
+    utils.RunCmd(cmd, quiet=True, logging=False)
+    return aligned_apk
+
 
 def default_keystore():
-  return os.path.join(os.getenv('HOME'), '.android', 'app.keystore')
+    return os.path.join(os.getenv('HOME'), '.android', 'app.keystore')
+
 
 def get_min_api(apk):
-  aapt = os.path.join(utils.getAndroidBuildTools(), 'aapt')
-  cmd = [aapt, 'dump', 'badging', apk]
-  stdout = subprocess.check_output(cmd).decode('utf-8').strip()
-  for line in stdout.splitlines():
-    if line.startswith('sdkVersion:\''):
-      return int(line[len('sdkVersion:\''): -1])
-  raise ValueError('Unexpected stdout: %s' % stdout)
+    aapt = os.path.join(utils.getAndroidBuildTools(), 'aapt')
+    cmd = [aapt, 'dump', 'badging', apk]
+    stdout = subprocess.check_output(cmd).decode('utf-8').strip()
+    for line in stdout.splitlines():
+        if line.startswith('sdkVersion:\''):
+            return int(line[len('sdkVersion:\''):-1])
+    raise ValueError('Unexpected stdout: %s' % stdout)
+
 
 def sign(unsigned_apk, signed_apk, keystore, quiet=False, logging=True):
-  utils.Print('Signing (ignore the warnings)', quiet=quiet)
-  cmd = ['zip', '-d', unsigned_apk, 'META-INF/*']
-  utils.RunCmd(cmd, quiet=quiet, logging=logging, fail=False)
-  cmd = [
-    'jarsigner',
-    '-sigalg', 'SHA1withRSA',
-    '-digestalg', 'SHA1',
-    '-keystore', keystore,
-    '-storepass', 'android',
-    '-signedjar', signed_apk,
-    unsigned_apk,
-    'androiddebugkey'
-  ]
-  utils.RunCmd(cmd, quiet=quiet)
+    utils.Print('Signing (ignore the warnings)', quiet=quiet)
+    cmd = ['zip', '-d', unsigned_apk, 'META-INF/*']
+    utils.RunCmd(cmd, quiet=quiet, logging=logging, fail=False)
+    cmd = [
+        'jarsigner', '-sigalg', 'SHA1withRSA', '-digestalg', 'SHA1',
+        '-keystore', keystore, '-storepass', 'android', '-signedjar',
+        signed_apk, unsigned_apk, 'androiddebugkey'
+    ]
+    utils.RunCmd(cmd, quiet=quiet)
 
-def sign_with_apksigner(
-    unsigned_apk, signed_apk, keystore=None, password='android', quiet=False,
-    logging=True):
-  cmd = [
-    os.path.join(utils.getAndroidBuildTools(), 'apksigner'),
-    'sign',
-    '-v',
-    '--ks', keystore or default_keystore(),
-    '--ks-pass', 'pass:' + password,
-    '--min-sdk-version', '19',
-    '--out', signed_apk,
-    '--v2-signing-enabled',
-    unsigned_apk
-  ]
-  utils.RunCmd(cmd, quiet=quiet, logging=logging)
-  return signed_apk
+
+def sign_with_apksigner(unsigned_apk,
+                        signed_apk,
+                        keystore=None,
+                        password='android',
+                        quiet=False,
+                        logging=True):
+    cmd = [
+        os.path.join(utils.getAndroidBuildTools(), 'apksigner'), 'sign', '-v',
+        '--ks', keystore or default_keystore(), '--ks-pass', 'pass:' + password,
+        '--min-sdk-version', '19', '--out', signed_apk, '--v2-signing-enabled',
+        unsigned_apk
+    ]
+    utils.RunCmd(cmd, quiet=quiet, logging=logging)
+    return signed_apk
+
 
 def main():
-  (options, apk) = parse_options()
-  if options.sign:
-    if not options.output:
-      print('When signing you must specify an output apk')
-      return 1
-    if not options.keystore:
-      print('When signing you must specify a keystore')
-      return 1
-    if options.use_apksigner:
-      sign_with_apksigner(apk, options.output, options.keystore)
-    else:
-      sign(apk, options.output, options.keystore)
-  return 0
+    (options, apk) = parse_options()
+    if options.sign:
+        if not options.output:
+            print('When signing you must specify an output apk')
+            return 1
+        if not options.keystore:
+            print('When signing you must specify a keystore')
+            return 1
+        if options.use_apksigner:
+            sign_with_apksigner(apk, options.output, options.keystore)
+        else:
+            sign(apk, options.output, options.keystore)
+    return 0
+
 
 if __name__ == '__main__':
-  sys.exit(main())
+    sys.exit(main())