Add CIPD GAE SDK recipe module and packager.

scripts/slave/recipe_modules/zip/api.py

 # Copyright 2014 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.
 
 from recipe_engine import recipe_api
 
 
 class ZipApi(recipe_api.RecipeApi):
   """Provides steps to zip and unzip files."""
 
@@ skipping 23 matching lines @@
       step_name: display name of the step.
       directory: path to a directory to compress, it would become the root of
           an archive, i.e. |directory|/file.txt would be named 'file.txt' in
           the archive.
       output: path to a zip file to create.
     """
     pkg = self.make_package(directory, output)
     pkg.add_directory(directory)
     pkg.zip(step_name)
 
-  def unzip(self, step_name, zip_file, output):
+  def unzip(self, step_name, zip_file, output, quiet=False):
     """Step to uncompress |zip_file| into |output| directory.
 
     Zip package will be unpacked to |output| so that root of an archive is in
     |output|, i.e. archive.zip/file.txt will become |output|/file.txt.
 
     Step will FAIL if |output| already exists.
 
     Args:
       step_name: display name of a step.
       zip_file: path to a zip file to uncompress, should exist.
       output: path to a directory to unpack to, it should NOT exist.
+      quiet (bool): If True, print terse output instead of the name
+          of each unzipped file.
     """
     # TODO(vadimsh): Use 7zip on Windows if available?
     script_input = {
       'output': str(output),
       'zip_file': str(zip_file),
+      'quiet': quiet,
     }
     self.m.python(
         name=step_name,
         script=self.resource('unzip.py'),
         stdin=self.m.json.input(script_input))
 
 
 class ZipPackage(object):
   """Used to gather a list of files to zip."""
 
@@ skipping 44 matching lines @@
       'entries': self._entries,
       'output': str(self._output),
       'root': str(self._root),
     }
     step_result = self._module.m.python(
         name=step_name,
         script=self._module.resource('zip.py'),
         stdin=self._module.m.json.input(script_input))
     self._module.m.path.mock_add_paths(self._output)
     return step_result