X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=1d9785341ec685071ea8fcc4846029a3e889bc72;hb=db477d3a37cbe5df5fd9151d557db33d8534e9f2;hp=833f981f24ca7b9dc2b2fd6cd79a40fe83afd019;hpb=9d4660cab15f374176f87d3f747a559142e4af9b;p=youtube-dl

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 833f981f2..1d9785341 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -572,6 +572,11 @@ class ExtractorError(Exception):
         return u''.join(traceback.format_tb(self.traceback))
 
 
+class RegexNotFoundError(ExtractorError):
+    """Error when a regex didn't match"""
+    pass
+
+
 class DownloadError(Exception):
     """Download Error exception.
 
@@ -947,6 +952,15 @@ 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. """