Windows: Fix newline differences

ffmpeg/_build.py

@@ -63,13 +63,14 @@ def _run(args):
     Run the command and return stdout but only print stderr on failure.
     """
     process = subprocess.Popen(
-        args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+        universal_newlines=True)
     stdout, stderr = process.communicate()
     if process.returncode != 0:
-        logger.error(stderr.decode())
+        logger.error(stderr)
         raise subprocess.CalledProcessError(
             process.returncode, process.args, output=stdout, stderr=stderr)
-    return stdout.decode()
+    return stdout
 
 
 def _get_line_fields(

ffmpeg/_detect.py

@@ -75,9 +75,9 @@ def detect_gpus():
     if plat_sys == 'Linux':
         # TODO: Android and other Linux'es that don't have `lshw`
         display_output = subprocess.check_output(
-            ['lshw', '-class', 'display', '-json'])
+            ['lshw', '-class', 'display', '-json'], universal_newlines=True)
         displays_data = json.loads(
-            display_output.decode().strip().strip(','),
+            display_output.strip().strip(','),
             object_pairs_hook=collections.OrderedDict)
         if not isinstance(displays_data, list):
             # TODO: Confirm this is how `lshw` handles multiple GPUs

ffmpeg/_probe.py

@@ -22,12 +22,13 @@ def probe(filename, cmd='ffprobe', **kwargs):
     args += convert_kwargs_to_cmd_line_args(kwargs)
     args += [filename]
 
-    p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    p = subprocess.Popen(
+        args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+        universal_newlines=True)
     out, err = p.communicate()
     if p.returncode != 0:
         raise Error('ffprobe', out, err)
-    return json.loads(
-        out.decode('utf-8'), object_pairs_hook=collections.OrderedDict)
+    return json.loads(out, object_pairs_hook=collections.OrderedDict)
 
 
 __all__ = ['probe']

ffmpeg/tests/test_ffmpeg.py

@@ -9,6 +9,8 @@ import random
 import re
 import subprocess
 
+import six
+
 try:
     import mock  # python 2
 except ImportError:
@@ -710,7 +712,7 @@ def test__probe__exception():
     with pytest.raises(ffmpeg.Error) as excinfo:
         ffmpeg.probe(BOGUS_INPUT_FILE)
     assert str(excinfo.value) == 'ffprobe error (see stderr output for detail)'
-    assert 'No such file or directory'.encode() in excinfo.value.stderr
+    assert 'No such file or directory' in excinfo.value.stderr
 
 
 def test__probe__extra_args():
@@ -725,11 +727,11 @@ def test__build_data():
         'protocols', 'filters', 'pix_fmts', 'sample_fmts', 'layouts',
         'colors', 'devices', 'hw_devices', 'hwaccels'}
 
-    assert isinstance(data['version'], str)
+    assert isinstance(data['version'], six.string_types)
 
     assert isinstance(data['codecs'], dict)
     for codec, coders in data['codecs'].items():
-        assert isinstance(codec, str)
+        assert isinstance(codec, six.string_types)
         assert isinstance(coders, dict)
     assert isinstance(data['hwaccels'], list)
     for hwaccel in data['hwaccels']:
@@ -766,7 +768,9 @@ def test__detect():
             assert 'output' in codec_kwargs
             assert isinstance(codec_kwargs['output'], dict)
             assert 'codec' in codec_kwargs['output']
-            assert isinstance(codec_kwargs['output']['codec'], str)
+            assert isinstance(
+                codec_kwargs['output']['codec'],
+                six.string_types)
 
 
 def test__detect_parse_models():