move PY3 variable to compat.py

moviepy/audio/io/ffmpeg_audiowriter.py

@@ -2,13 +2,12 @@
 import numpy as np
 import subprocess as sp
 
-import sys
-PY3=sys.version_info.major >= 3
+from movie.compat import PY3
 
 import os
-try:
+if PY3:
     from subprocess import DEVNULL # py3k
-except ImportError:
+else:
     DEVNULL = open(os.devnull, 'wb')
 
 from tqdm import tqdm

moviepy/audio/io/readers.py

@@ -6,11 +6,11 @@
 
 from moviepy.video.io.ffmpeg_reader import ffmpeg_parse_infos
 from moviepy.config import get_setting
-
+from moviepy.compat import PY3
 import os
-try:
+if PY3:
     from subprocess import DEVNULL  # py3k
-except ImportError:
+else:
     DEVNULL = open(os.devnull, 'wb')
 
 

moviepy/compat.py

@@ -0,0 +1,2 @@
+import sys
+PY3=sys.version_info.major >= 3

moviepy/video/compositing/concatenate.py

@@ -1,7 +1,6 @@
 import numpy as np
 
-import sys
-PY3 = sys.version_info.major >= 3
+from moviepy.compat import PY3
 
 if PY3:
    from functools import reduce
@@ -11,7 +10,7 @@
 from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
 from moviepy.audio.AudioClip import CompositeAudioClip
 
-from moviepy.video.compositing.on_color import on_color 
+from moviepy.video.compositing.on_color import on_color
 
 def concatenate_videoclips(clips, method="chain", transition=None,
                            bg_color=None, ismask=False, padding = 0):

moviepy/video/io/ffmpeg_reader.py

@@ -15,11 +15,12 @@
 import numpy as np
 from moviepy.config import get_setting  # ffmpeg, ffmpeg.exe, etc...
 from moviepy.tools import cvsecs
+from moviepy.compat import PY3
 
 import os
-try:
+if PY3:
     from subprocess import DEVNULL  # py3k
-except ImportError:
+else:
     DEVNULL = open(os.devnull, 'wb')
 
 

moviepy/video/io/ffmpeg_writer.py

@@ -7,13 +7,11 @@
 import os
 import numpy as np
 
-import sys
+from moviepy.compat import PY3
 
-PY3 = sys.version_info.major >=3
-
-try:
+if PY3:
     from subprocess import DEVNULL  # py3k
-except ImportError:
+else:
     DEVNULL = open(os.devnull, 'wb')
 
 from moviepy.config import get_setting