Extend #980 with --max-quality support

youtube_dl/utils.py

@@ -947,6 +947,15 @@ def shell_quote(args):
     return ' '.join(map(pipes.quote, args))
 
 
+def takewhile_inclusive(pred, seq):
+    """ Like itertools.takewhile, but include the latest evaluated element
+        (the first element so that Not pred(e)) """
+    for e in seq:
+        yield e
+        if not pred(e):
+            return
+
+
 def smuggle_url(url, data):
     """ Pass additional data in a URL for internal use. """