run_isolated.py: install CIPD packages

client/utils/tools.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.
 
 """Various utility functions and classes not specific to any single area."""
 
 import atexit
 import cStringIO
 import functools
 import json
@@ skipping 298 matching lines @@
   a zip archive, we need to extract the file first.
   """
   global _ca_certs
   with _ca_certs_lock:
     if _ca_certs is not None and os.path.exists(_ca_certs):
       return _ca_certs
     # Some rogue process clears /tmp and causes cacert.pem to disappear. Extract
     # to current directory instead. We use our own bundled copy of cacert.pem.
     _ca_certs = zip_package.extract_resource(utils, 'cacert.pem', temp_dir='.')
     return _ca_certs
+
+
+class Timeouter(object):

[Vadim Sh., 2016/06/06 21:32:14]

not sure it's worth the dedicated class... I don't mind much though.

[M-A Ruel, 2016/06/06 23:34:51]

I agree.

[nodir, 2016/06/07 18:46:35]

changed to a function that returns a closure

+  """Computes time left till deadline."""
+
+  def __init__(self, timeout):
+    self.deadline = time.time() + timeout if timeout is not None else None
+
+  def left(self):
+    return self.deadline - time.time() if self.deadline is not None else None