APM Quality Assessment, simulation controller and libraries

webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/data_access.py

Index: webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/data_access.py
diff --git a/webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment-export.py b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/data_access.py
similarity index 67%
copy from webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment-export.py
copy to webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/data_access.py
index 1b526c1b054918518b39370902d82a1fd53aff29..d3967c651a4b46a41a486a471c9d34cf454a40f4 100644
--- a/webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment-export.py
+++ b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/data_access.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 # Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
@@ -6,3 +5,13 @@
 # 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.
+
+import os
+
+def make_directory(path):
+  """
+  Recursively make a directory without rising exceptions if it already exists.
+  """
+  if os.path.exists(path):
+    return
+  os.makedirs(path)