Roll version of gsutil to 4.15.

third_party/gsutil/gslib/tests/test_hash.py

 # -*- coding: utf-8 -*-
 # Copyright 2014 Google Inc. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
@@ skipping 23 matching lines @@
     stdout = self.RunCommand('hash', args=[tmp_file], return_stdout=True)
     self.assertIn('Hashes [base64]', stdout)
     self.assertIn('\tHash (crc32c):\t\t%s' % self._TEST_FILE_B64_CRC, stdout)
     self.assertIn('\tHash (md5):\t\t%s' % self._TEST_FILE_B64_MD5, stdout)
 
   def testHashNoMatch(self):
     try:
       self.RunCommand('hash', args=['non-existent-file'])
       self.fail('Did not get expected CommandException')
     except CommandException, e:
-      self.assertRaisesRegexp(e, r'No files matched')
+      # assertRaisesRegexp causes issues with python 2.6.
+      self.assertIn('No files matched', e.reason)
 
   def testHashCloudObject(self):
     try:
       self.RunCommand('hash', args=['gs://bucket/object'])
       self.fail('Did not get expected CommandException')
     except CommandException, e:
       self.assertEquals('"hash" command requires a file URL', e.reason)
 
   def testHashHexFormat(self):
     tmp_file = self.CreateTempFile(contents=self._TEST_FILE_CONTENTS)
@@ skipping 19 matching lines @@
                                  return_stdout=True)
     stdout_both = self.RunCommand('hash', args=['-c', '-m', tmp_file],
                                   return_stdout=True)
     for stdout in (stdout_crc, stdout_both):
       self.assertIn('\tHash (crc32c):\t\t%s' % self._TEST_FILE_B64_CRC, stdout)
     for stdout in (stdout_md5, stdout_both):
       self.assertIn('\tHash (md5):\t\t%s' % self._TEST_FILE_B64_MD5, stdout)
     self.assertNotIn('md5', stdout_crc)
     self.assertNotIn('crc32c', stdout_md5)