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[youtube-dl] / youtube_dl / extractor / commonmistakes.py

diff --git a/youtube_dl/extractor/commonmistakes.py b/youtube_dl/extractor/commonmistakes.py
index dbbf27a7486ab78a239df5a21a761b911a1e4a6e..06d9148e0af121d0a70d6ebdea45c8f1d2903789 100644 (file)
--- a/youtube_dl/extractor/commonmistakes.py
+++ b/youtube_dl/extractor/commonmistakes.py
@@ -1,5 +1,7 @@
 from __future__ import unicode_literals
 
+import sys
+
 from .common import InfoExtractor
 from ..utils import ExtractorError
 
@@ -7,7 +9,7 @@ from ..utils import ExtractorError
 class CommonMistakesIE(InfoExtractor):
     IE_DESC = False  # Do not list
     _VALID_URL = r'''(?x)
-        (?:url|URL)
+        (?:url|URL)$
     '''
 
     _TESTS = [{
@@ -27,3 +29,22 @@ class CommonMistakesIE(InfoExtractor):
         if not self._downloader.params.get('verbose'):
             msg += ' Add -v to the command line to see what arguments and configuration youtube-dl got.'
         raise ExtractorError(msg, expected=True)
+
+
+class UnicodeBOMIE(InfoExtractor):
+        IE_DESC = False
+        _VALID_URL = r'(?P<bom>\ufeff)(?P<id>.*)$'
+
+        # Disable test for python 3.2 since BOM is broken in re in this version
+        # (see https://github.com/ytdl-org/youtube-dl/issues/9751)
+        _TESTS = [] if (3, 0) < sys.version_info <= (3, 3) else [{
+            'url': '\ufeffhttp://www.youtube.com/watch?v=BaW_jenozKc',
+            'only_matching': True,
+        }]
+
+        def _real_extract(self, url):
+            real_url = self._match_id(url)
+            self.report_warning(
+                'Your URL starts with a Byte Order Mark (BOM). '
+                'Removing the BOM and looking for "%s" ...' % real_url)
+            return self.url_result(real_url)