Make torchaudio work on Python 2.

.travis.yml

@@ -12,9 +12,10 @@ cache:
 matrix:
   fast_finish: true
   include:
-    - env: PYTHON_VERSION="3.5"
+    - env: PYTHON_VERSION="3.7"
     - env: PYTHON_VERSION="3.6"
     - env: PYTHON_VERSION="3.5" RUN_FLAKE8="true" SKIP_TESTS="true"
+    - env: PYTHON_VERSION="2.7"
 
 addons:
   apt:

requirements.txt

@@ -15,3 +15,6 @@ scipy
 
 # Unit tests with pytest
 pytest
+
+# Testing only Py3 compat
+backports.tempfile

test/common_utils.py

@@ -1,6 +1,7 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import os
 from shutil import copytree
-import tempfile
+import backports.tempfile as tempfile
 
 
 TEST_DIR_PATH = os.path.dirname(os.path.realpath(__file__))

test/test.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import unittest
 import common_utils
 import torch

test/test_dataloader.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import unittest
 import common_utils
 import torch

test/test_kaldi_io.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import os
 import torch
 import torchaudio.kaldi_io as kio

test/test_sox_effects.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import unittest
 import common_utils
 import torch

test/test_transforms.py

@@ -1,4 +1,4 @@
-from __future__ import print_function
+from __future__ import absolute_import, division, print_function, unicode_literals
 import math
 import os
 

torchaudio/__init__.py

@@ -1,4 +1,4 @@
-from __future__ import division, print_function
+from __future__ import absolute_import, division, print_function, unicode_literals
 import os.path
 
 import torch

torchaudio/common_utils.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import sys
 
 PY3 = sys.version_info > (3, 0)

torchaudio/datasets/vctk.py

@@ -1,4 +1,4 @@
-from __future__ import print_function
+from __future__ import absolute_import, division, print_function, unicode_literals
 import torch.utils.data as data
 import os
 import os.path

torchaudio/datasets/yesno.py

@@ -1,4 +1,4 @@
-from __future__ import print_function
+from __future__ import absolute_import, division, print_function, unicode_literals
 import torch.utils.data as data
 import os
 import os.path

torchaudio/functional.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import math
 import torch
 

torchaudio/kaldi_io.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 # To use this file, the dependency (https://github.com/vesis84/kaldi-io-for-python)
 # needs to be installed. This is a light wrapper around kaldi_io that returns
 # torch.Tensors.

torchaudio/sox_effects.py

@@ -1,4 +1,4 @@
-from __future__ import division, print_function
+from __future__ import absolute_import, division, print_function, unicode_literals
 import torch
 import _torch_sox
 

torchaudio/transforms.py

@@ -1,4 +1,4 @@
-from __future__ import division, print_function
+from __future__ import absolute_import, division, print_function, unicode_literals
 from warnings import warn
 import math
 import torch