Fix failures with latest gpylint

Change-Id: Id80000b530b0582b907730db9311075a7f5307fa

gyp_packager.py

@@ -30,6 +30,8 @@ Step 1 is only required if there is any gyp file change. Otherwise, you
 may just run ninja.
 """
 
+from __future__ import print_function
+
 import os
 import sys
 
@@ -108,7 +110,7 @@ if __name__ == '__main__':
     else:
       os.environ['GYP_GENERATOR_FLAGS'] = gyp_generator_flags
 
-  print 'Updating projects from gyp files...'
+  print('Updating projects from gyp files...')
   sys.stdout.flush()
 
   # Off we go...

packager/app/test/packager_test.py

@@ -623,7 +623,13 @@ class PackagerFunctionalTest(PackagerAppTest):
     self.assertEqual(self.packager.MpdGenerator(flags), 0)
 
   def testVersion(self):
-    self.assertRegexpMatches(
+    # To support python version 2, which does not have assertRegex.
+    if 'assertRegex' not in dir(self):
+      assert_regex = self.assertRegexpMatches
+    else:
+      assert_regex = self.assertRegex
+
+    assert_regex(
         self.packager.Version(), '^packager(.exe)? version '
         r'((?P<tag>[\w\.]+)-)?(?P<hash>[a-f\d]+)-(debug|release)[\r\n]+.*$')
 

packager/tools/git/check_formatting.py

@@ -32,6 +32,8 @@ Steps to install clang-format on your system if you don't have it already:
 
 """
 
+from __future__ import print_function
+
 import subprocess
 import sys
 
@@ -49,8 +51,10 @@ if __name__ == '__main__':
   if output not in [
       'no modified files to format\n', 'clang-format did not modify any files\n'
   ]:
-    print output, '\n'
-    print 'Code style is not correct. Please run ', ' '.join(command), '\n'
+    print(output)
+    print()
+    print('Code style is not correct. Please run {}.'.format(' '.join(command)))
+    print()
     sys.exit(1)
   else:
     sys.exit(0)

packager/tools/pssh/pssh-box.py

@@ -7,6 +7,8 @@
 
 """A utility to parse and generate PSSH boxes."""
 
+from __future__ import print_function
+
 import argparse
 import base64
 import itertools
@@ -419,13 +421,13 @@ def main(all_args):
 
   if output_format == 'human' or not output_format:
     for box in boxes:
-      print box.human_string()
+      print(box.human_string())
   else:
     box_data = ''.join([x.binary_string() for x in boxes])
     if output_format == 'hex':
-      print base64.b16encode(box_data)
+      print(base64.b16encode(box_data))
     else:
-      print base64.b64encode(box_data)
+      print(base64.b64encode(box_data))
 
 
 if __name__ == '__main__':

packager/version/generate_version_string.py

@@ -7,6 +7,8 @@
 # https://developers.google.com/open-source/licenses/bsd
 """This script is used to generate version string for packager."""
 
+from __future__ import print_function
+
 import subprocess
 
 # To support python version before 2.7, which does not have
@@ -47,6 +49,6 @@ if __name__ == '__main__':
     version_hash = 'unknown-version'
 
   if version_tag:
-    print '{0}-{1}'.format(version_tag, version_hash)
+    print('{0}-{1}'.format(version_tag, version_hash))
   else:
-    print version_hash
+    print(version_hash)