X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=1d9785341ec685071ea8fcc4846029a3e889bc72;hb=e2f9de207caf97d12d9e9be29002c49e5ad2b409;hp=3e81c308b27fb9618dba89a30fd5964651f48cbf;hpb=f219743e33a9a640bfc3845d74282774e51e1ad4;p=youtube-dl

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 3e81c308b..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.
 
@@ -945,3 +950,29 @@ class locked_file(object):
 
 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. """
+
+    sdata = compat_urllib_parse.urlencode(
+        {u'__youtubedl_smuggle': json.dumps(data)})
+    return url + u'#' + sdata
+
+
+def unsmuggle_url(smug_url):
+    if not '#__youtubedl_smuggle' in smug_url:
+        return smug_url, None
+    url, _, sdata = smug_url.rpartition(u'#')
+    jsond = compat_parse_qs(sdata)[u'__youtubedl_smuggle'][0]
+    data = json.loads(jsond)
+    return url, data