Force download_from_google_storage --config to produce a read-only token

download_from_google_storage.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Download files from Google Storage based on SHA1 sums."""
 
 
 import hashlib
 import optparse
@@ skipping 307 matching lines @@
                     help='Number of downloader threads to run.')
   parser.add_option('-d', '--directory', action='store_true',
                     help='The target is a directory.  '
                          'Cannot be used with -s/--sha1_file.')
   parser.add_option('-s', '--sha1_file', action='store_true',
                     help='The target is a file containing a sha1 sum.  '
                          'Cannot be used with -d/--directory.')
   parser.add_option('-g', '--config', action='store_true',
                     help='Alias for "gsutil config".  Run this if you want '
                          'to initialize your saved Google Storage '
-                         'credentials.')
+                         'credentials.  This will create a read-only '
+                         'credentials file in ~/.boto.depot_tools.')
   parser.add_option('-n', '--no_auth', action='store_true',
                     help='Skip auth checking.  Use if it\'s known that the '
                          'target bucket is a public bucket.')
   parser.add_option('-p', '--platform',
                     help='A regular expression that is compared against '
                          'Python\'s sys.platform. If this option is specified, '
                          'the download will happen only if there is a match.')
   parser.add_option('-v', '--verbose', action='store_true',
                     help='Output extra diagnostic and progress information.')
 
@@ skipping 15 matching lines @@
   if os.path.exists(GSUTIL_DEFAULT_PATH):
     gsutil = Gsutil(GSUTIL_DEFAULT_PATH,
                     boto_path=options.boto,
                     bypass_prodaccess=options.no_auth)
   else:
     parser.error('gsutil not found in %s, bad depot_tools checkout?' %
                  GSUTIL_DEFAULT_PATH)
 
   # Passing in -g/--config will run our copy of GSUtil, then quit.
   if options.config:
-    return gsutil.call('config')
+    return gsutil.call('config', '-r', '-o',
+                       os.path.expanduser('~/.boto.depot_tools'))

[M-A Ruel, 2014/01/10 23:32:00]

Note that we've seen '~' expansion issues on Windows.

That said, this needs to be debugged anyway, it's just FYI in case a problem
arise.

[Ryan Tseng, 2014/01/10 23:34:21]

Didn't know that.  Line 64/65 would also need to be fixed if any problems arise.
 The default place for a windows boto file should be in $HOME\.boto iirc.

 
   if not args:
     parser.error('Missing target.')
   if len(args) > 1:
     parser.error('Too many targets.')
   if not options.bucket:
     parser.error('Missing bucket.  Specify bucket with --bucket.')
   if options.sha1_file and options.directory:
     parser.error('Both --directory and --sha1_file are specified, '
                  'can only specify one.')
@@ skipping 31 matching lines @@
     return code
 
   return download_from_google_storage(
       input_filename, base_url, gsutil, options.num_threads, options.directory,
       options.recursive, options.force, options.output, options.ignore_errors,
       options.sha1_file, options.verbose)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))