Merge branch 'master' into heuristics

quick_score.py

+#!/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.
+
+import argparse
+import csv
+import json
+import os
+import shutil
+import sys
+
+def main(argv):
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--features', required=True)
+  options = parser.parse_args(argv)
+
+  features = list(csv.DictReader(open(options.features)))
+
+  t = 0
+  s = 0
+  for f in features:
+    w = 2 if (int(f['good']) == 1) else 1
+    p = 0
+    if int(f['opengraph']) == 1 and not int(f['pathlength']) == 0:
+      p = 1
+    t += w
+    if p == int(f['good']):
+      s += w
+
+  print t, s, float(s)/t
+
+  t = 0
+  c = 0
+  w = 0
+  for f in features:
+    g = int(f['good'])
+    fb = int(f['opengraph'])
+    home = int(f['pathlength']) < 2
+    t += g
+    if fb == 1 and not home:
+      if g == 1:
+        c += 1
+      else:
+        w += 1
+
+  print float(c) / (c + w)
+  print float(c) / t
+
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))
+