upload_dir_contents(): upload multiple files in parallel

py/utils/gs_utils_manualtest.py

 #!/usr/bin/python
 
 """Tests for gs_utils.py.
 
 TODO(epoger): How should we exercise these self-tests? See http://skbug.com/2751
 """
 
 # System-level imports.
+import logging
 import os
 import posixpath
 import random
 import shutil
 import sys
 import tempfile
 import time
 
 # Local imports.
 import gs_utils
@@ skipping 329 matching lines @@
       assert file_contents == 'contents of %s\n' % filename, (
           '%s == "contents of %s\n"' % (file_contents, filename))
   finally:
     shutil.rmtree(local_dest_dir)
     for filename in filenames:
       gs.delete_file(bucket=TEST_BUCKET,
                      path=posixpath.join(remote_dir, subdir, filename))
 
 
 if __name__ == '__main__':
+  logging.basicConfig(level=logging.INFO)
   _test_upload_if_multiple_files()
   _test_upload_if_one_file()
   _test_public_read()
   _test_authenticated_round_trip()
   _test_dir_upload_and_download()
   # TODO(epoger): Add _test_unauthenticated_access() to make sure we raise
   # an exception when we try to access without needed credentials.