[postprocessor/common:postprocessor/ffmpeg] Generalize utime

youtube_dl/postprocessor/common.py

@@ -1,6 +1,11 @@
 from __future__ import unicode_literals
 
-from ..utils import PostProcessingError
+import os
+
+from ..utils import (
+    PostProcessingError,
+    encodeFilename,
+)
 
 
 class PostProcessor(object):
@@ -46,6 +51,12 @@ class PostProcessor(object):
         """
         return None, information  # by default, keep file and do nothing
 
+    def try_utime(self, path, atime, mtime, errnote='Cannot update utime of file'):
+        try:
+            os.utime(encodeFilename(path), (atime, mtime))
+        except Exception:
+            self._downloader.report_warning(errnote)
+
 
 class AudioConversionError(PostProcessingError):
     pass