Send authorization headers when calling Swarming backend.

client/utils/file_path.py

 # Copyright 2013 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 """Provides functions: get_native_path_case(), isabs() and safe_join().
 
 This module assumes that filesystem is not changing while current process
 is running and thus it caches results of functions that depend on FS state.
 """
 
@@ skipping 780 matching lines @@
   up.
   """
   assert path and path[-1] != os.sep, path
   path = os.path.abspath(path)
   dir_name, base_name = os.path.split(path)
 
   fd, tmp_name = tempfile.mkstemp(dir=dir_name, prefix=base_name+'_')
   try:
     with os.fdopen(fd, 'wb') as f:
       f.write(body)
+      f.flush()
+      os.fsync(fd)
     if sys.platform != 'win32':
       os.rename(tmp_name, path)
     else:
       # Flags are MOVEFILE_REPLACE_EXISTING|MOVEFILE_WRITE_THROUGH.
       MoveFileEx(unicode(tmp_name), unicode(path), 0x1|0x8)
     tmp_name =  None # no need to remove it in 'finally' block anymore
   finally:
     if tmp_name:
       try:
         os.remove(tmp_name)
@@ skipping 214 matching lines @@
   errors = []
   fs.rmtree(root, onerror=lambda *args: errors.append(args))
   if errors:
     # There's no hope.
     sys.stderr.write(
         'Failed to delete %s. The following files remain:\n' % root)
     for _, path, _ in errors:
       sys.stderr.write('- %s\n' % path)
     raise errors[0][2][0], errors[0][2][1], errors[0][2][2]
   return False