Use py3 in gsutil receipe module

Manual Recipe Change: https://crrev.com/c/3460620

Recipe-Manual-Change: build
Recipe-Nontrivial-Roll: build_limited
Recipe-Nontrivial-Roll: chrome_release
Recipe-Nontrivial-Roll: chromiumos
Recipe-Nontrivial-Roll: infra
Bug: 1289280
Change-Id: Ibdadf1eee3d2d5f385f520340a4f4bd8844f7bbd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3440919Reviewed-by: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Aravind Vasudevan <aravindvasudev@google.com>

recipes/README.recipes.md

@@ -629,7 +629,7 @@ Returns a list of refs in the remote repository.
 Generates a Gitiles repo URL. See also parse_repo_url.
 ### *recipe_modules* / [gsutil](/recipes/recipe_modules/gsutil)
 
-[DEPS](/recipes/recipe_modules/gsutil/__init__.py#3): [recipe\_engine/path][recipe_engine/recipe_modules/path], [recipe\_engine/python][recipe_engine/recipe_modules/python]
+[DEPS](/recipes/recipe_modules/gsutil/__init__.py#3): [recipe\_engine/path][recipe_engine/recipe_modules/path], [recipe\_engine/step][recipe_engine/recipe_modules/step]
 
 PYTHON_VERSION_COMPATIBILITY: PY2+3
 

recipes/recipe_modules/gsutil/__init__.py

@@ -2,5 +2,5 @@ PYTHON_VERSION_COMPATIBILITY = 'PY2+3'
 
 DEPS = [
   'recipe_engine/path',
-  'recipe_engine/python',
+  'recipe_engine/step',
 ]

recipes/recipe_modules/gsutil/api.py

@@ -71,8 +71,8 @@ class GSUtilApi(recipe_api.RecipeApi):
     else:
       cmd_prefix.append('--')
 
-    return self.m.python(full_name, gsutil_path, cmd_prefix + cmd,
-                         infra_step=infra_step, **kwargs)
+    exec_cmd = ['python3', '-u', gsutil_path] + cmd_prefix + cmd
+    return self.m.step(full_name, exec_cmd, infra_step=infra_step, **kwargs)
 
   def upload(self, source, bucket, dest, args=None, link_name='gsutil.upload',
              metadata=None, unauthenticated_url=False, **kwargs):

recipes/recipe_modules/gsutil/examples/full.expected/basic.json

 [
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -27,7 +27,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_REPO[depot_tools]/gsutil.py",
       "-o",
@@ -54,7 +54,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -73,7 +73,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -92,7 +92,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -107,7 +107,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -124,7 +124,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -139,7 +139,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -154,7 +154,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -169,7 +169,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -183,7 +183,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -197,7 +197,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -215,7 +215,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",
@@ -229,7 +229,7 @@
   },
   {
     "cmd": [
-      "python",
+      "python3",
       "-u",
       "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
       "--",

recipes/recipe_modules/gsutil/resources/gsutil_smart_retry.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
@@ -34,7 +34,7 @@ def main(argv):
   args = parser.parse_args()
 
   # The -- argument for the wrapped gsutil.py is escaped as ---- as python
-  # 2.7.3 removes all occurrences of --, not only the first.
+  # removes all occurrences of --, not only the first.
   if '----' in args.command:
     args.command[args.command.index('----')] = '--'