Add custom dm upload script to be used by the android framework

Review URL: https://codereview.chromium.org/979153002

platform_tools/android/tradefed/upload_dm_results.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python
+# 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.
+
+"""Upload DM output PNG files and JSON summary to Google Storage."""
+
+
+import datetime
+import os
+import shutil
+import sys
+import tempfile
+
+def main(dm_dir, build_number, builder_name):
+  """Upload DM output PNG files and JSON summary to Google Storage.
+
+    dm_dir:        path to PNG files and JSON summary    (str)
+    build_number:  nth build on this builder             (str or int)
+    builder_name:  name of this builder                  (str)
+  """
+  # import gs_utils
+  current_dir = os.path.dirname(os.path.abspath(__file__))
+  sys.path.insert(0, os.path.join(current_dir, "../../../common/py/utils"))
+  import gs_utils
+
+  # Private, but Google-readable.
+  ACL = gs_utils.GSUtils.PredefinedACL.PRIVATE
+  FINE_ACLS = [(
+    gs_utils.GSUtils.IdType.GROUP_BY_DOMAIN,
+    'google.com',
+    gs_utils.GSUtils.Permission.READ
+  )]
+
+  # Move dm.json to its own directory to make uploading it easier.
+  tmp = tempfile.mkdtemp()
+  shutil.move(os.path.join(dm_dir, 'dm.json'),
+              os.path.join(tmp,    'dm.json'))
+
+  # Only images are left in dm_dir.  Upload any new ones.
+  gs = gs_utils.GSUtils()
+  gs.upload_dir_contents(dm_dir,
+                         'skia-android-dm',
+                         'dm-images-v1',
+                         upload_if = gs.UploadIf.IF_NEW,
+                         predefined_acl = ACL,
+                         fine_grained_acl_list = FINE_ACLS)
+
+
+  # /dm-json-v1/year/month/day/hour/build-number/builder/dm.json
+  now = datetime.datetime.utcnow()
+  summary_dest_dir = '/'.join(['dm-json-v1',
+                               str(now.year ).zfill(4),
+                               str(now.month).zfill(2),
+                               str(now.day  ).zfill(2),
+                               str(now.hour ).zfill(2),
+                               str(build_number),
+                               builder_name])
+
+  # Upload the JSON summary.
+  gs.upload_dir_contents(tmp,
+                         'skia-android-dm',
+                         summary_dest_dir,
+                         predefined_acl = ACL,
+                         fine_grained_acl_list = FINE_ACLS)
+
+
+  # Just for hygiene, put dm.json back.
+  shutil.move(os.path.join(tmp,    'dm.json'),
+              os.path.join(dm_dir, 'dm.json'))
+  os.rmdir(tmp)
+
+if '__main__' == __name__:
+  main(*sys.argv[1:])