{"action":"opened","issue":{"url":"https://api.github.com/repos/rg3/youtube-dl/issues/6571","labels_url":"https://api.github.com/repos/rg3/youtube-dl/issues/6571/labels{/name}","comments_url":"https://api.github.com/repos/rg3/youtube-dl/issues/6571/comments","events_url":"https://api.github.com/repos/rg3/youtube-dl/issues/6571/events","html_url":"https://github.com/rg3/youtube-dl/issues/6571","id":101225476,"number":6571,"title":"Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug","user":{"login":"DmitriToptygin","id":13815021,"avatar_url":"https://avatars.githubusercontent.com/u/13815021?v=3","gravatar_id":"","url":"https://api.github.com/users/DmitriToptygin","html_url":"https://github.com/DmitriToptygin","followers_url":"https://api.github.com/users/DmitriToptygin/followers","following_url":"https://api.github.com/users/DmitriToptygin/following{/other_user}","gists_url":"https://api.github.com/users/DmitriToptygin/gists{/gist_id}","starred_url":"https://api.github.com/users/DmitriToptygin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DmitriToptygin/subscriptions","organizations_url":"https://api.github.com/users/DmitriToptygin/orgs","repos_url":"https://api.github.com/users/DmitriToptygin/repos","events_url":"https://api.github.com/users/DmitriToptygin/events{/privacy}","received_events_url":"https://api.github.com/users/DmitriToptygin/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-16T02:00:55Z","updated_at":"2015-08-16T02:00:55Z","closed_at":null,"body":"I just installed youtube-dl on my computer (Linux 3.13.0-61-generic #100-Ubuntu SMP Wed Jul 29 11:21:34 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux) and tried to download the first video from youtube. I can watch this video in Mozilla Firefox 40.0 for Ubuntu. Everything is updated to the latest version, including youtube-dl itself.\r\n\r\ndima@xenon:~$ youtube-dl --verbose https://www.youtube.com/watch\\?v=v2w-0I-bjjQ\\&feature=youtu.be\r\n[debug] System config: []\r\n[debug] User config: []\r\n[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=v2w-0I-bjjQ&feature=youtu.be']\r\n[debug] Encodings: locale 'UTF-8', fs 'UTF-8', out 'UTF-8', pref: 'UTF-8'\r\n[debug] youtube-dl version 2014.02.17\r\n[debug] Python version 2.7.6 - Linux-3.13.0-61-generic-x86_64-with-Ubuntu-14.04-trusty\r\n[debug] Proxy map: {}\r\n[youtube] Setting language\r\n[youtube] v2w-0I-bjjQ: Downloading webpage\r\n[youtube] v2w-0I-bjjQ: Downloading video info webpage\r\n[youtube] v2w-0I-bjjQ: Extracting video information\r\n[youtube] v2w-0I-bjjQ: Encrypted signatures detected.\r\n[youtube] encrypted signature length 83 (40.42), itag 43, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 18, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 5, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 36, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 17, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 134, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 243, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 133, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 242, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 160, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 140, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 171, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 134, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 243, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 133, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 242, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 160, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 140, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\n[youtube] encrypted signature length 83 (40.42), itag 171, html5 player new-en_US-vflTSd4UU\\/html5player-new\r\n[youtube] v2w-0I-bjjQ: Downloading js player new\r\nWARNING: Automatic signature extraction failed: Traceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 957, in _decrypt_signature\r\n    video_id, player_url, len(s)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 356, in _extract_signature_function\r\n    res = self._parse_sig_js(code)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py\", line 424, in _parse_sig_js\r\n    u'Initial JS player signature function name')\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py\", line 356, in _search_regex\r\n    raise RegexNotFoundError(u'Unable to extract %s' % _name)\r\nRegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.\r\n\r\nWARNING: Warning: Falling back to static signature algorithm\r\nERROR: unable to download video data: HTTP Error 403: Forbidden\r\nTraceback (most recent call last):\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py\", line 953, in process_info\r\n    success = dl(filename, info_dict)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py\", line 929, in dl\r\n    return fd.download(name, info)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/downloader/common.py\", line 290, in download\r\n    return self.real_download(filename, info_dict)\r\n  File \"/usr/lib/python2.7/dist-packages/youtube_dl/downloader/http.py\", line 52, in real_download\r\n    data = compat_urllib_request.urlopen(request)\r\n  File \"/usr/lib/python2.7/urllib2.py\", line 127, in urlopen\r\n    return _opener.open(url, data, timeout)\r\n  File \"/usr/lib/python2.7/urllib2.py\", line 410, in open\r\n    response = meth(req, response)\r\n  File \"/usr/lib/python2.7/urllib2.py\", line 523, in http_response\r\n    'http', request, response, code, msg, hdrs)\r\n  File \"/usr/lib/python2.7/urllib2.py\", line 448, in error\r\n    return self._call_chain(*args)\r\n  File \"/usr/lib/python2.7/urllib2.py\", line 382, in _call_chain\r\n    result = func(*args)\r\n  File \"/usr/lib/python2.7/urllib2.py\", line 531, in http_error_default\r\n    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)\r\nHTTPError: HTTP Error 403: Forbidden\r\n"}}