Shift stringslint to using python3.

Bug: 169704254
Test: manual
Change-Id: I175bdf75e7424bef6d4ac9f51797510766de2b14
(cherry picked from commit 85ccd04180)
Merged-In: I354ef4b12c75505a069fdf657ab98a9b122785c7

tools/stringslint/stringslint.py

@@ -1,4 +1,5 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
+#-*- coding: utf-8 -*-
 
 # Copyright (C) 2018 The Android Open Source Project
 #
@@ -33,9 +34,6 @@ In general:
 import re, sys, codecs
 import lxml.etree as ET
 
-reload(sys)
-sys.setdefaultencoding('utf8')
-
 BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
 
 def format(fg=None, bg=None, bright=False, bold=False, dim=False, reset=False):
@@ -118,7 +116,7 @@ def lint(path):
         raw = f.read()
         if len(raw.strip()) == 0:
             return warnings
-        tree = ET.fromstring(raw)
+        tree = ET.fromstring(bytes(raw, encoding='utf-8'))
         root = tree #tree.getroot()
 
     last_comment = None
@@ -231,6 +229,6 @@ for b in before:
 
 if len(after) > 0:
     for a in sorted(after.keys()):
-        print after[a]
-        print
+        print(after[a])
+        print()
     sys.exit(1)

tools/stringslint/stringslint_sha.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
 LOCAL_DIR="$( dirname ${BASH_SOURCE} )"
 git show --name-only --pretty=format: $1 | grep values/strings.xml | while read file; do
-    python $LOCAL_DIR/stringslint.py <(git show $1:$file) <(git show $1^:$file)
+    python3 $LOCAL_DIR/stringslint.py <(git show $1:$file) <(git show $1^:$file)
 done