1 files changed, 29 insertions, 0 deletions
diff --git a/faiss/util.py b/faiss/util.py
new file mode 100644
index 00000000..97afbc22
--- /dev/null
+++ b/faiss/util.py
@@ -0,0 +1,29 @@
+import time
+import simplejson as json
+import pickle
+from os import path
+from collections import namedtuple
+
+# Converts JSON el['key'] to Pythonic object-style el.key
+def _json_object_hook(d):
+  return namedtuple('X', d.keys())(*d.values())
+
+# Load a JSON recipe
+def load_recipe(path):
+  with open(path) as fh:
+    return json.load(fh, object_hook=_json_object_hook)
+
+# Load a pickle file
+def load_pickle(data_dir, pkl_fn):
+  load_start = time.time()
+  with open(path.join(str(data_dir), str(pkl_fn)), 'rb') as fh:
+    raw = fh.read()
+    data = pickle.loads(raw)
+    load_end = time.time()
+    load_time = load_end - load_start
+    print("Pickle load time: {:.1f}s".format(load_time))
+    return data
+
+def read_json(fn):
+  with open(fn, 'r') as json_file:
+    return json.load(json_file)