Use py3 for remaining tools in depot_tools path

R=apolito@google.com, dpranke@google.com

Bug: 1199102
Change-Id: I06ff344ac91464eb558e92598c87e43ecfa830dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2994488
Auto-Submit: Josip Sokcevic <sokcevic@google.com>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Reviewed-by: Anthony Polito <apolito@google.com>
Reviewed-by: Dirk Pranke <dpranke@google.com>

cit

@@ -5,4 +5,4 @@
 
 base_dir=$(dirname "$0")
 
-PYTHONDONTWRITEBYTECODE=1 exec python "$base_dir/cit.py" "$@"
+PYTHONDONTWRITEBYTECODE=1 exec python3 "$base_dir/cit.py" "$@"

cit.bat

@@ -9,4 +9,4 @@ setlocal
 set PATH=%PATH%;%~dp0
 
 :: Defer control.
-python "%~dp0\cit.py" %*
+python3 "%~dp0\cit.py" %*

cit.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright (c) 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.

clang-format

@@ -5,4 +5,4 @@
 
 base_dir=$(dirname "$0")
 
-PYTHONDONTWRITEBYTECODE=1 exec python "$base_dir/clang_format.py" "$@"
+PYTHONDONTWRITEBYTECODE=1 exec python3 "$base_dir/clang_format.py" "$@"

clang-format.bat

@@ -9,4 +9,4 @@ setlocal
 set PATH=%PATH%;%~dp0
 
 :: Defer control.
-python "%~dp0\clang_format.py" %*
+python3 "%~dp0\clang_format.py" %*

clang_format.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
 # found in the LICENSE file.

clang_format_merge_driver

@@ -5,4 +5,4 @@
 
 base_dir=$(dirname "$0")
 
-PYTHONDONTWRITEBYTECODE=1 exec python "$base_dir/clang_format_merge_driver.py" "$@"
+PYTHONDONTWRITEBYTECODE=1 exec python3 "$base_dir/clang_format_merge_driver.py" "$@"

clang_format_merge_driver.bat

@@ -9,4 +9,4 @@ setlocal
 set PATH=%PATH%;%~dp0
 
 :: Defer control.
-python "%~dp0\clang_format_merge_driver.py" %*
+python3 "%~dp0\clang_format_merge_driver.py" %*

clang_format_merge_driver.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.

compile_single_file

@@ -5,4 +5,4 @@
 
 base_dir=$(dirname "$0")
 
-PYTHONDONTWRITEBYTECODE=1 exec python -u "$base_dir/compile_single_file.py" "$@"
+PYTHONDONTWRITEBYTECODE=1 exec python3 -u "$base_dir/compile_single_file.py" "$@"

compile_single_file.bat

@@ -8,4 +8,4 @@ setlocal
 :: standalone, but allow other PATH manipulations to take priority.
 set PATH=%PATH%;%~dp0
 
-python -u "%~dp0compile_single_file.py" %*
+python3 -u "%~dp0compile_single_file.py" %*

compile_single_file.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.

git-runhooks

@@ -15,9 +15,9 @@ gclient_spec="solutions=[{'name':'src','url':None,'deps_file':'.DEPS.git'}]"
 kernel_name=$(uname -s)
 if [ "${kernel_name:0:5}" = "MINGW" ]; then
   dir="${0%\\*}"
-  cmd "/C ${dir}\\python.bat ${dir}\\gclient.py runhooks --spec=$gclient_spec"
+  cmd "/C ${dir}\\python3.bat ${dir}\\gclient.py runhooks --spec=$gclient_spec"
 else
   dir="$(dirname $0)"
-  PYTHONDONTWRITEBYTECODE=1 exec python "$dir/gclient.py" runhooks --spec="$gclient_spec"
+  PYTHONDONTWRITEBYTECODE=1 exec python3 "$dir/gclient.py" runhooks --spec="$gclient_spec"
 fi
 exit $?

testing_support/cipd

@@ -5,4 +5,4 @@
 
 base_dir=$(dirname "$0")
 
-exec python "$base_dir/fake_cipd.py" "$@"
+exec python3 "$base_dir/fake_cipd.py" "$@"

testing_support/cipd.bat

@@ -5,4 +5,4 @@ echo off
 setlocal
 
 :: Defer control.
-python "%~dp0fake_cipd.py" %*
+python3 "%~dp0fake_cipd.py" %*

testing_support/fake_cipd.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright (c) 2018 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import argparse
+import io
 import os
 import re
 import shutil
@@ -20,8 +21,10 @@ def parse_cipd(root, contents):
     line = line.strip()
     match = re.match(CIPD_SUBDIR_RE, line)
     if match:
+      print('match')
       current_subdir = os.path.join(root, *match.group(1).split('/'))
     elif line and current_subdir:
+      print('no match')
       tree.setdefault(current_subdir, []).append(line)
   return tree
 
@@ -33,15 +36,15 @@ def main():
   parser.add_argument('-root')
   args, _ = parser.parse_known_args()
 
-  with open(args.ensure_file) as f:
+  with io.open(args.ensure_file, 'r', encoding='utf-8') as f:
     new_content = parse_cipd(args.root, f.readlines())
 
   # Install new packages
   for path, packages in new_content.items():
     if not os.path.exists(path):
       os.makedirs(path)
-    with open(os.path.join(path, '_cipd'), 'wb') as f:
-      f.write('\n'.join(packages).encode('utf-8', 'replace'))
+    with io.open(os.path.join(path, '_cipd'), 'w', encoding='utf-8') as f:
+      f.write('\n'.join(packages))
 
   # Save the ensure file that we got
   shutil.copy(args.ensure_file, os.path.join(args.root, '_cipd'))

testing_support/fake_repos.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
@@ -11,6 +11,7 @@ from __future__ import print_function
 import atexit
 import datetime
 import errno
+import io
 import logging
 import os
 import pprint
@@ -49,7 +50,8 @@ def read_tree(tree_root):
     for f in [join(root, f) for f in files if not f.startswith('.')]:
       filepath = f[len(tree_root) + 1:].replace(os.sep, '/')
       assert len(filepath), f
-      tree[filepath] = gclient_utils.FileRead(join(root, f))
+      with io.open(join(root, f), encoding='utf-8') as f:
+        tree[filepath] = f.read()
   return tree