X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=d4951c406c73d8216803f5d9149200787883676b;hb=799d88d3d8a9337fb0b7a858ec4ffb3aaacbc974;hp=43b7c94ba4d49f523565a6959b211063c3a6b04c;hpb=7af808a5ef4cc17ca30c8c4636660589e0e915ec;p=youtube-dl

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 43b7c94ba..d4951c406 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -464,6 +464,13 @@ class ExtractorError(Exception):
         return ''.join(traceback.format_tb(self.traceback))
 
 
+class UnsupportedError(ExtractorError):
+    def __init__(self, url):
+        super(UnsupportedError, self).__init__(
+            'Unsupported URL: %s' % url, expected=True)
+        self.url = url
+
+
 class RegexNotFoundError(ExtractorError):
     """Error when a regex didn't match"""
     pass
@@ -1543,3 +1550,13 @@ def ytdl_is_updateable():
 def args_to_str(args):
     # Get a short string representation for a subprocess command
     return ' '.join(shlex_quote(a) for a in args)
+
+
+def urlhandle_detect_ext(url_handle):
+    try:
+        url_handle.headers
+        getheader = lambda h: url_handle.headers[h]
+    except AttributeError:  # Python < 3
+        getheader = url_handle.info().getheader
+
+    return getheader('Content-Type').split("/")[1]