prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  SITE REQUEST: www.5-tv.ru
  Dear coders, I just visited this 5-tv.ru site, and I wanted to get news video from it, got no success.
  Please, add this 5-tv.ru into YDL supported sources list. Thanks in advance!
  The log is:
  C:\>youtube-dl -v -F http://www.5-tv.ru/programs/broadcast/509514/
  [debug] System config: []
  [debug] User config: []
  [debug] Custom config: []
  [debug] Command-line args: ['-v', '-F', 'http://www.5-tv.ru/programs/broadcast/509514/']
  [debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
  [debug] youtube-dl version 2017.06.12
  [debug] Python version 3.4.4 - Windows-7-6.1.7601-SP1
  [debug] exe versions: ffmpeg 3.3.1, ffprobe 3.3.1, rtmpdump 2.4
  [debug] Proxy map: {}
  [FiveTV] 509514: Downloading webpage
  ERROR: Unable to extract video url; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its completeoutput.
  Traceback (most recent call last):
    File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpkyaecyzu\build\youtube_dl\YoutubeDL.py", line 762,in extract_info
    File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpkyaecyzu\build\youtube_dl\extractor\common.py", line 433, in extract
    File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpkyaecyzu\build\youtube_dl\extractor\fivetv.py", line 74, in _real_extract
    File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpkyaecyzu\build\youtube_dl\extractor\common.py", line 782, in _search_regex
  youtube_dl.utils.RegexNotFoundError: Unable to extract video url; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `youtube_dl/extractor/fivetv.py`
  Content:
  ```
  1 # coding: utf-8
  2 from __future__ import unicode_literals
  3 
  4 import re
  5 
  6 from .common import InfoExtractor
  7 from ..utils import int_or_none
  8 
  9 
  10 class FiveTVIE(InfoExtractor):
  11     _VALID_URL = r'''(?x)
  12                     http://
  13                         (?:www\.)?5-tv\.ru/
  14                         (?:
  15                             (?:[^/]+/)+(?P<id>\d+)|
  16                             (?P<path>[^/?#]+)(?:[/?#])?
  17                         )
  18                     '''
  19 
  20     _TESTS = [{
  21         'url': 'http://5-tv.ru/news/96814/',
  22         'md5': 'bbff554ad415ecf5416a2f48c22d9283',
  23         'info_dict': {
  24             'id': '96814',
  25             'ext': 'mp4',
  26             'title': 'Россияне выбрали имя для общенациональной платежной системы',
  27             'description': 'md5:a8aa13e2b7ad36789e9f77a74b6de660',
  28             'thumbnail': r're:^https?://.*\.jpg$',
  29             'duration': 180,
  30         },
  31     }, {
  32         'url': 'http://5-tv.ru/video/1021729/',
  33         'info_dict': {
  34             'id': '1021729',
  35             'ext': 'mp4',
  36             'title': '3D принтер',
  37             'description': 'md5:d76c736d29ef7ec5c0cf7d7c65ffcb41',
  38             'thumbnail': r're:^https?://.*\.jpg$',
  39             'duration': 180,
  40         },
  41     }, {
  42         'url': 'http://www.5-tv.ru/glavnoe/#itemDetails',
  43         'info_dict': {
  44             'id': 'glavnoe',
  45             'ext': 'mp4',
  46             'title': 'Итоги недели с 8 по 14 июня 2015 года',
  47             'thumbnail': r're:^https?://.*\.jpg$',
  48         },
  49     }, {
  50         'url': 'http://www.5-tv.ru/glavnoe/broadcasts/508645/',
  51         'only_matching': True,
  52     }, {
  53         'url': 'http://5-tv.ru/films/1507502/',
  54         'only_matching': True,
  55     }, {
  56         'url': 'http://5-tv.ru/programs/broadcast/508713/',
  57         'only_matching': True,
  58     }, {
  59         'url': 'http://5-tv.ru/angel/',
  60         'only_matching': True,
  61     }, {
  62         'url': 'http://www.5-tv.ru/schedule/?iframe=true&width=900&height=450',
  63         'only_matching': True,
  64     }]
  65 
  66     def _real_extract(self, url):
  67         mobj = re.match(self._VALID_URL, url)
  68         video_id = mobj.group('id') or mobj.group('path')
  69 
  70         webpage = self._download_webpage(url, video_id)
  71 
  72         video_url = self._search_regex(
  73             r'<a[^>]+?href="([^"]+)"[^>]+?class="videoplayer"',
  74             webpage, 'video url')
  75 
  76         title = self._og_search_title(webpage, default=None) or self._search_regex(
  77             r'<title>([^<]+)</title>', webpage, 'title')
  78         duration = int_or_none(self._og_search_property(
  79             'video:duration', webpage, 'duration', default=None))
  80 
  81         return {
  82             'id': video_id,
  83             'url': video_url,
  84             'title': title,
  85             'description': self._og_search_description(webpage, default=None),
  86             'thumbnail': self._og_search_thumbnail(webpage, default=None),
  87             'duration': duration,
  88         }
  89
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/youtube_dl/extractor/fivetv.py b/youtube_dl/extractor/fivetv.py
  --- a/youtube_dl/extractor/fivetv.py
  +++ b/youtube_dl/extractor/fivetv.py
  @@ -43,7 +43,7 @@
           'info_dict': {
               'id': 'glavnoe',
               'ext': 'mp4',
  -            'title': 'Итоги недели с 8 по 14 июня 2015 года',
  +            'title': r're:^Итоги недели с \d+ по \d+ \w+ \d{4} года$',
               'thumbnail': r're:^https?://.*\.jpg$',
           },
       }, {
  @@ -70,7 +70,8 @@
           webpage = self._download_webpage(url, video_id)
   
           video_url = self._search_regex(
  -            r'<a[^>]+?href="([^"]+)"[^>]+?class="videoplayer"',
  +            [r'<div[^>]+?class="flowplayer[^>]+?data-href="([^"]+)"',
  +             r'<a[^>]+?href="([^"]+)"[^>]+?class="videoplayer"'],
               webpage, 'video url')
   
           title = self._og_search_title(webpage, default=None) or self._search_regex(
  
verification_info: {"golden_diff": "diff --git a/youtube_dl/extractor/fivetv.py b/youtube_dl/extractor/fivetv.py\n--- a/youtube_dl/extractor/fivetv.py\n+++ b/youtube_dl/extractor/fivetv.py\n@@ -43,7 +43,7 @@\n         'info_dict': {\n             'id': 'glavnoe',\n             'ext': 'mp4',\n-            'title': '\u0418\u0442\u043e\u0433\u0438 \u043d\u0435\u0434\u0435\u043b\u0438 \u0441 8 \u043f\u043e 14 \u0438\u044e\u043d\u044f 2015 \u0433\u043e\u0434\u0430',\n+            'title': r're:^\u0418\u0442\u043e\u0433\u0438 \u043d\u0435\u0434\u0435\u043b\u0438 \u0441\u00a0\\d+ \u043f\u043e\u00a0\\d+\u00a0\\w+\u00a0\\d{4}\u00a0\u0433\u043e\u0434\u0430$',\n             'thumbnail': r're:^https?://.*\\.jpg$',\n         },\n     }, {\n@@ -70,7 +70,8 @@\n         webpage = self._download_webpage(url, video_id)\n \n         video_url = self._search_regex(\n-            r'<a[^>]+?href=\"([^\"]+)\"[^>]+?class=\"videoplayer\"',\n+            [r'<div[^>]+?class=\"flowplayer[^>]+?data-href=\"([^\"]+)\"',\n+             r'<a[^>]+?href=\"([^\"]+)\"[^>]+?class=\"videoplayer\"'],\n             webpage, 'video url')\n \n         title = self._og_search_title(webpage, default=None) or self._search_regex(\n", "issue": "SITE REQUEST: www.5-tv.ru\nDear coders, I just visited this 5-tv.ru site, and I wanted to get news video from it, got no success.\r\nPlease, add this 5-tv.ru into YDL supported sources list. Thanks in advance!\r\nThe log is:\r\nC:\\>youtube-dl -v -F http://www.5-tv.ru/programs/broadcast/509514/\r\n[debug] System config: []\r\n[debug] User config: []\r\n[debug] Custom config: []\r\n[debug] Command-line args: ['-v', '-F', 'http://www.5-tv.ru/programs/broadcast/509514/']\r\n[debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251\r\n[debug] youtube-dl version 2017.06.12\r\n[debug] Python version 3.4.4 - Windows-7-6.1.7601-SP1\r\n[debug] exe versions: ffmpeg 3.3.1, ffprobe 3.3.1, rtmpdump 2.4\r\n[debug] Proxy map: {}\r\n[FiveTV] 509514: Downloading webpage\r\nERROR: Unable to extract video url; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its completeoutput.\r\nTraceback (most recent call last):\r\n  File \"C:\\Users\\dst\\AppData\\Roaming\\Build archive\\youtube-dl\\rg3\\tmpkyaecyzu\\build\\youtube_dl\\YoutubeDL.py\", line 762,in extract_info\r\n  File \"C:\\Users\\dst\\AppData\\Roaming\\Build archive\\youtube-dl\\rg3\\tmpkyaecyzu\\build\\youtube_dl\\extractor\\common.py\", line 433, in extract\r\n  File \"C:\\Users\\dst\\AppData\\Roaming\\Build archive\\youtube-dl\\rg3\\tmpkyaecyzu\\build\\youtube_dl\\extractor\\fivetv.py\", line 74, in _real_extract\r\n  File \"C:\\Users\\dst\\AppData\\Roaming\\Build archive\\youtube-dl\\rg3\\tmpkyaecyzu\\build\\youtube_dl\\extractor\\common.py\", line 782, in _search_regex\r\nyoutube_dl.utils.RegexNotFoundError: Unable to extract video url; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.\n", "before_files": [{"content": "# coding: utf-8\nfrom __future__ import unicode_literals\n\nimport re\n\nfrom .common import InfoExtractor\nfrom ..utils import int_or_none\n\n\nclass FiveTVIE(InfoExtractor):\n    _VALID_URL = r'''(?x)\n                    http://\n                        (?:www\\.)?5-tv\\.ru/\n                        (?:\n                            (?:[^/]+/)+(?P<id>\\d+)|\n                            (?P<path>[^/?#]+)(?:[/?#])?\n                        )\n                    '''\n\n    _TESTS = [{\n        'url': 'http://5-tv.ru/news/96814/',\n        'md5': 'bbff554ad415ecf5416a2f48c22d9283',\n        'info_dict': {\n            'id': '96814',\n            'ext': 'mp4',\n            'title': '\u0420\u043e\u0441\u0441\u0438\u044f\u043d\u0435 \u0432\u044b\u0431\u0440\u0430\u043b\u0438 \u0438\u043c\u044f \u0434\u043b\u044f \u043e\u0431\u0449\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0435\u0436\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b',\n            'description': 'md5:a8aa13e2b7ad36789e9f77a74b6de660',\n            'thumbnail': r're:^https?://.*\\.jpg$',\n            'duration': 180,\n        },\n    }, {\n        'url': 'http://5-tv.ru/video/1021729/',\n        'info_dict': {\n            'id': '1021729',\n            'ext': 'mp4',\n            'title': '3D \u043f\u0440\u0438\u043d\u0442\u0435\u0440',\n            'description': 'md5:d76c736d29ef7ec5c0cf7d7c65ffcb41',\n            'thumbnail': r're:^https?://.*\\.jpg$',\n            'duration': 180,\n        },\n    }, {\n        'url': 'http://www.5-tv.ru/glavnoe/#itemDetails',\n        'info_dict': {\n            'id': 'glavnoe',\n            'ext': 'mp4',\n            'title': '\u0418\u0442\u043e\u0433\u0438 \u043d\u0435\u0434\u0435\u043b\u0438 \u0441 8 \u043f\u043e 14 \u0438\u044e\u043d\u044f 2015 \u0433\u043e\u0434\u0430',\n            'thumbnail': r're:^https?://.*\\.jpg$',\n        },\n    }, {\n        'url': 'http://www.5-tv.ru/glavnoe/broadcasts/508645/',\n        'only_matching': True,\n    }, {\n        'url': 'http://5-tv.ru/films/1507502/',\n        'only_matching': True,\n    }, {\n        'url': 'http://5-tv.ru/programs/broadcast/508713/',\n        'only_matching': True,\n    }, {\n        'url': 'http://5-tv.ru/angel/',\n        'only_matching': True,\n    }, {\n        'url': 'http://www.5-tv.ru/schedule/?iframe=true&width=900&height=450',\n        'only_matching': True,\n    }]\n\n    def _real_extract(self, url):\n        mobj = re.match(self._VALID_URL, url)\n        video_id = mobj.group('id') or mobj.group('path')\n\n        webpage = self._download_webpage(url, video_id)\n\n        video_url = self._search_regex(\n            r'<a[^>]+?href=\"([^\"]+)\"[^>]+?class=\"videoplayer\"',\n            webpage, 'video url')\n\n        title = self._og_search_title(webpage, default=None) or self._search_regex(\n            r'<title>([^<]+)</title>', webpage, 'title')\n        duration = int_or_none(self._og_search_property(\n            'video:duration', webpage, 'duration', default=None))\n\n        return {\n            'id': video_id,\n            'url': video_url,\n            'title': title,\n            'description': self._og_search_description(webpage, default=None),\n            'thumbnail': self._og_search_thumbnail(webpage, default=None),\n            'duration': duration,\n        }\n", "path": "youtube_dl/extractor/fivetv.py"}], "after_files": [{"content": "# coding: utf-8\nfrom __future__ import unicode_literals\n\nimport re\n\nfrom .common import InfoExtractor\nfrom ..utils import int_or_none\n\n\nclass FiveTVIE(InfoExtractor):\n    _VALID_URL = r'''(?x)\n                    http://\n                        (?:www\\.)?5-tv\\.ru/\n                        (?:\n                            (?:[^/]+/)+(?P<id>\\d+)|\n                            (?P<path>[^/?#]+)(?:[/?#])?\n                        )\n                    '''\n\n    _TESTS = [{\n        'url': 'http://5-tv.ru/news/96814/',\n        'md5': 'bbff554ad415ecf5416a2f48c22d9283',\n        'info_dict': {\n            'id': '96814',\n            'ext': 'mp4',\n            'title': '\u0420\u043e\u0441\u0441\u0438\u044f\u043d\u0435 \u0432\u044b\u0431\u0440\u0430\u043b\u0438 \u0438\u043c\u044f \u0434\u043b\u044f \u043e\u0431\u0449\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0435\u0436\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b',\n            'description': 'md5:a8aa13e2b7ad36789e9f77a74b6de660',\n            'thumbnail': r're:^https?://.*\\.jpg$',\n            'duration': 180,\n        },\n    }, {\n        'url': 'http://5-tv.ru/video/1021729/',\n        'info_dict': {\n            'id': '1021729',\n            'ext': 'mp4',\n            'title': '3D \u043f\u0440\u0438\u043d\u0442\u0435\u0440',\n            'description': 'md5:d76c736d29ef7ec5c0cf7d7c65ffcb41',\n            'thumbnail': r're:^https?://.*\\.jpg$',\n            'duration': 180,\n        },\n    }, {\n        'url': 'http://www.5-tv.ru/glavnoe/#itemDetails',\n        'info_dict': {\n            'id': 'glavnoe',\n            'ext': 'mp4',\n            'title': r're:^\u0418\u0442\u043e\u0433\u0438 \u043d\u0435\u0434\u0435\u043b\u0438 \u0441\u00a0\\d+ \u043f\u043e\u00a0\\d+\u00a0\\w+\u00a0\\d{4}\u00a0\u0433\u043e\u0434\u0430$',\n            'thumbnail': r're:^https?://.*\\.jpg$',\n        },\n    }, {\n        'url': 'http://www.5-tv.ru/glavnoe/broadcasts/508645/',\n        'only_matching': True,\n    }, {\n        'url': 'http://5-tv.ru/films/1507502/',\n        'only_matching': True,\n    }, {\n        'url': 'http://5-tv.ru/programs/broadcast/508713/',\n        'only_matching': True,\n    }, {\n        'url': 'http://5-tv.ru/angel/',\n        'only_matching': True,\n    }, {\n        'url': 'http://www.5-tv.ru/schedule/?iframe=true&width=900&height=450',\n        'only_matching': True,\n    }]\n\n    def _real_extract(self, url):\n        mobj = re.match(self._VALID_URL, url)\n        video_id = mobj.group('id') or mobj.group('path')\n\n        webpage = self._download_webpage(url, video_id)\n\n        video_url = self._search_regex(\n            [r'<div[^>]+?class=\"flowplayer[^>]+?data-href=\"([^\"]+)\"',\n             r'<a[^>]+?href=\"([^\"]+)\"[^>]+?class=\"videoplayer\"'],\n            webpage, 'video url')\n\n        title = self._og_search_title(webpage, default=None) or self._search_regex(\n            r'<title>([^<]+)</title>', webpage, 'title')\n        duration = int_or_none(self._og_search_property(\n            'video:duration', webpage, 'duration', default=None))\n\n        return {\n            'id': video_id,\n            'url': video_url,\n            'title': title,\n            'description': self._og_search_description(webpage, default=None),\n            'thumbnail': self._og_search_thumbnail(webpage, default=None),\n            'duration': duration,\n        }\n", "path": "youtube_dl/extractor/fivetv.py"}]}