Small script to scrape json for waterfall

Change-Id: I879fcd3203c84fa83125e06662009d308bc2dbb6

test/android/scrape_gtest_log.py

+# Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+"""Standalone script which parses a gtest log for json.
+
+Json is returned returns as an array.  This script is used by the libvpx
+waterfall to gather json results mixed in with gtest logs.  This is
+dubious software engineering.
+"""
+
+import json
+import re
+import sys
+
+
+def main():
+  blob = sys.stdin.read()
+  json_string = '[' + ','.join('{' + x + '}' for x in
+                               re.findall(r'{([^}]*.?)}', blob)) + ']'
+  print json.dumps(json.loads(json_string), indent=4, sort_keys=True)
+
+if __name__ == '__main__':
+  sys.exit(main())