Make adb_install_apk.py saner for humans.

Scripts like that usually do not require a --option if this is a
mandatory singleton argument. Also, forgetting to pass the extension
sounds like something that the script could simply handle.

BUG=None

Review URL: https://codereview.chromium.org/286423002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@275755 0039d316-1c4b-4281-b951-d872f2087c98

build/android/adb_install_apk.py

@@ -19,7 +19,7 @@ from pylib.utils import apk_helper
 def AddInstallAPKOption(option_parser):
   """Adds apk option used to install the APK to the OptionParser."""
   option_parser.add_option('--apk',
-                           help=('The name of the apk containing the '
+                           help=('DEPRECATED The name of the apk containing the'
                                  ' application (with the .apk extension).'))
   option_parser.add_option('--apk_package',
                            help=('The package name used by the apk containing '
@@ -40,10 +40,17 @@ def AddInstallAPKOption(option_parser):
                            'Default is env var BUILDTYPE or Debug.')
 
 
-def ValidateInstallAPKOption(option_parser, options):
+def ValidateInstallAPKOption(option_parser, options, args):
   """Validates the apk option and potentially qualifies the path."""
   if not options.apk:
-    option_parser.error('--apk is mandatory.')
+    if len(args) > 1:
+      options.apk = args[1]
+    else:
+      option_parser.error('apk target not specified.')
+
+  if not options.apk.endswith('.apk'):
+    options.apk += '.apk'
+
   if not os.path.exists(options.apk):
     options.apk = os.path.join(constants.GetOutDirectory(), 'apks',
                                options.apk)
@@ -51,12 +58,17 @@ def ValidateInstallAPKOption(option_parser, options):
 
 def main(argv):
   parser = optparse.OptionParser()
+  parser.set_usage("usage: %prog [options] target")
   AddInstallAPKOption(parser)
   options, args = parser.parse_args(argv)
+
+  if len(args) > 1 and options.apk:
+    parser.error("Appending the apk as argument can't be used with --apk.")
+  elif len(args) > 2:
+    parser.error("Too many arguments.")
+
   constants.SetBuildType(options.build_type)
-  ValidateInstallAPKOption(parser, options)
-  if len(args) > 1:
-    raise Exception('Error: Unknown argument:', args[1:])
+  ValidateInstallAPKOption(parser, options, args)
 
   devices = android_commands.GetAttachedDevices()
   if not devices:

build/android/buildbot/bb_device_steps.py

@@ -181,9 +181,10 @@ def InstallApk(options, test, print_step=False):
   if print_step:
     bb_annotations.PrintNamedStep('install_%s' % test.name.lower())
 
-  args = ['--apk', test.apk, '--apk_package', test.apk_package]
+  args = ['--apk_package', test.apk_package]
   if options.target == 'Release':
     args.append('--release')
+  args.append(test.apk)
 
   RunCmd(['build/android/adb_install_apk.py'] + args, halt_on_failure=True)