1 files changed, 45 insertions, 0 deletions
diff --git a/infra/bots/recipe_modules/swarming/resources/standard_isolated_script_merge.py b/infra/bots/recipe_modules/swarming/resources/standard_isolated_script_merge.py
new file mode 100755
index 0000000000..e3c860f433
--- /dev/null
+++ b/infra/bots/recipe_modules/swarming/resources/standard_isolated_script_merge.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# Copyright 2017 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.
+
+import argparse
+import json
+import sys
+
+import results_merger
+
+
+def StandardIsolatedScriptMerge(output_json, jsons_to_merge):
+  """Merge the contents of one or more results JSONs into a single JSON.
+
+  Args:
+    output_json: A path to a JSON file to which the merged results should be
+      written.
+    jsons_to_merge: A list of paths to JSON files that should be merged.
+  """
+  shard_results_list = []
+  for j in jsons_to_merge:
+    with open(j) as f:
+      shard_results_list.append(json.load(f))
+  merged_results = results_merger.merge_test_results(shard_results_list)
+
+  with open(output_json, 'w') as f:
+    json.dump(merged_results, f)
+
+  return 0
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('-o', '--output-json', required=True)
+  parser.add_argument('--build-properties', help=argparse.SUPPRESS)
+  parser.add_argument('--summary-json', help=argparse.SUPPRESS)
+  parser.add_argument('jsons_to_merge', nargs='*')
+
+  args = parser.parse_args()
+  return StandardIsolatedScriptMerge(args.output_json, args.jsons_to_merge)
+
+
+if __name__ == '__main__':
+  sys.exit(main())