Change get_uploaded_hashes.py to query Gold for hashes instead of GS

tools/get_uploaded_hashes.py

 #!/usr/bin/env python
 
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
-import os
-import subprocess
+import contextlib
 import sys
-
-sys.path.insert(0, os.path.join('common', 'py', 'utils'))
-import gs_utils
+import urllib2
 
 
-def get_uploaded_hashes(gs_bucket, gs_dir):
-  _, files = gs_utils.GSUtils().list_bucket_contents(gs_bucket, subdir=gs_dir)
-  hashes = []
-  for line in files:
-    hashes.append(os.path.basename(line).split('.')[0])
-  return hashes
+HASHES_URL = 'https://gold.skia.org/2/_/hashes'
 
 
-def main(gs_bucket, gs_dir, output_file):
-  hashes = get_uploaded_hashes(gs_bucket, gs_dir)
+def main(output_file):
   with open(output_file, 'w') as f:
-    for h in hashes:
-      f.write(h + '\n')
+    with contextlib.closing(urllib2.urlopen(HASHES_URL)) as w:
+      f.write(w.read())
 
 
 if __name__ == '__main__':
-  if len(sys.argv) != 4:
-    print >> sys.stderr , ('Usage: %s <gs_bucket> <gs_subdir> <output_file>' %
-                           sys.argv[0])
+  if len(sys.argv) != 2:
+    print >> sys.stderr , 'Usage: %s <output_file>' % sys.argv[0]
     sys.exit(1)
   main(*sys.argv[1:])