prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Support for tfou.fr
   youtube-dl --verbose 'http://www.tfou.fr/les-mysterieuses-cites-d-or-saison-2/videos/l-expedition-les-mysterieuses-cites-d-or-8302866-739.html'
  [debug] System config: []
  [debug] User config: []
  [debug] Command-line args: ['--verbose', 'http://www.tfou.fr/les-mysterieuses-cites-d-or-saison-2/videos/l-expedition-les-mysterieuses-cites-d-or-8302866-739.html']
  [debug] Encodings: locale ANSI_X3.4-1968, fs ANSI_X3.4-1968, out ANSI_X3.4-1968, pref ANSI_X3.4-1968
  [debug] youtube-dl version 2015.01.01
  [debug] Python version 2.7.6 - Linux-3.13.0-34-generic-x86_64-with-Ubuntu-14.04-trusty
  [debug] exe versions: avconv 9.16-6, avprobe 9.16-6, ffmpeg 2.4.2, ffprobe 2.4.2, rtmpdump 2.4
  [debug] Proxy map: {}
  [generic] l-expedition-les-mysterieuses-cites-d-or-8302866-739: Requesting header
  WARNING: Falling back on generic information extractor.
  [generic] l-expedition-les-mysterieuses-cites-d-or-8302866-739: Downloading webpage
  [generic] l-expedition-les-mysterieuses-cites-d-or-8302866-739: Extracting information
  ERROR: Unsupported URL: http://www.tfou.fr/les-mysterieuses-cites-d-or-saison-2/videos/l-expedition-les-mysterieuses-cites-d-or-8302866-739.html
  
  
  --- 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/tf1.py`
  Content:
  ```
  1 # coding: utf-8
  2 from __future__ import unicode_literals
  3 
  4 import re
  5 
  6 from .common import InfoExtractor
  7 
  8 
  9 class TF1IE(InfoExtractor):
  10     """TF1 uses the wat.tv player."""
  11     _VALID_URL = r'http://videos\.tf1\.fr/.*-(?P<id>.*?)\.html'
  12     _TEST = {
  13         'url': 'http://videos.tf1.fr/auto-moto/citroen-grand-c4-picasso-2013-presentation-officielle-8062060.html',
  14         'info_dict': {
  15             'id': '10635995',
  16             'ext': 'mp4',
  17             'title': 'Citroën Grand C4 Picasso 2013 : présentation officielle',
  18             'description': 'Vidéo officielle du nouveau Citroën Grand C4 Picasso, lancé à l\'automne 2013.',
  19         },
  20         'params': {
  21             # Sometimes wat serves the whole file with the --test option
  22             'skip_download': True,
  23         },
  24     }
  25 
  26     def _real_extract(self, url):
  27         mobj = re.match(self._VALID_URL, url)
  28         video_id = mobj.group('id')
  29         webpage = self._download_webpage(url, video_id)
  30         embed_url = self._html_search_regex(
  31             r'"(https://www.wat.tv/embedframe/.*?)"', webpage, 'embed url')
  32         embed_page = self._download_webpage(embed_url, video_id,
  33                                             'Downloading embed player page')
  34         wat_id = self._search_regex(r'UVID=(.*?)&', embed_page, 'wat id')
  35         wat_info = self._download_json(
  36             'http://www.wat.tv/interface/contentv3/%s' % wat_id, video_id)
  37         return self.url_result(wat_info['media']['url'], 'Wat')
  38
  ```
  --- 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/tf1.py b/youtube_dl/extractor/tf1.py
  --- a/youtube_dl/extractor/tf1.py
  +++ b/youtube_dl/extractor/tf1.py
  @@ -8,8 +8,8 @@
   
   class TF1IE(InfoExtractor):
       """TF1 uses the wat.tv player."""
  -    _VALID_URL = r'http://videos\.tf1\.fr/.*-(?P<id>.*?)\.html'
  -    _TEST = {
  +    _VALID_URL = r'http://(?:videos\.tf1|www\.tfou)\.fr/.*?-(?P<id>\d+)(?:-\d+)?\.html'
  +    _TESTS = {
           'url': 'http://videos.tf1.fr/auto-moto/citroen-grand-c4-picasso-2013-presentation-officielle-8062060.html',
           'info_dict': {
               'id': '10635995',
  @@ -21,14 +21,26 @@
               # Sometimes wat serves the whole file with the --test option
               'skip_download': True,
           },
  +    }, {
  +        'url': 'http://www.tfou.fr/chuggington/videos/le-grand-mysterioso-chuggington-7085291-739.html',
  +        'info_dict': {
  +            'id': '12043945',
  +            'ext': 'mp4',
  +            'title': 'Le grand Mystérioso - Chuggington',
  +            'description': 'Le grand Mystérioso - Emery rêve qu\'un article lui soit consacré dans le journal.',
  +            'upload_date': '20150103',
  +        },
  +        'params': {
  +            # Sometimes wat serves the whole file with the --test option
  +            'skip_download': True,
  +        },
       }
   
       def _real_extract(self, url):
  -        mobj = re.match(self._VALID_URL, url)
  -        video_id = mobj.group('id')
  +        video_id = self._match_id(url)
           webpage = self._download_webpage(url, video_id)
           embed_url = self._html_search_regex(
  -            r'"(https://www.wat.tv/embedframe/.*?)"', webpage, 'embed url')
  +            r'["\'](https?://www.wat.tv/embedframe/.*?)["\']', webpage, 'embed url')
           embed_page = self._download_webpage(embed_url, video_id,
                                               'Downloading embed player page')
           wat_id = self._search_regex(r'UVID=(.*?)&', embed_page, 'wat id')
  
verification_info: {"golden_diff": "diff --git a/youtube_dl/extractor/tf1.py b/youtube_dl/extractor/tf1.py\n--- a/youtube_dl/extractor/tf1.py\n+++ b/youtube_dl/extractor/tf1.py\n@@ -8,8 +8,8 @@\n \n class TF1IE(InfoExtractor):\n     \"\"\"TF1 uses the wat.tv player.\"\"\"\n-    _VALID_URL = r'http://videos\\.tf1\\.fr/.*-(?P<id>.*?)\\.html'\n-    _TEST = {\n+    _VALID_URL = r'http://(?:videos\\.tf1|www\\.tfou)\\.fr/.*?-(?P<id>\\d+)(?:-\\d+)?\\.html'\n+    _TESTS = {\n         'url': 'http://videos.tf1.fr/auto-moto/citroen-grand-c4-picasso-2013-presentation-officielle-8062060.html',\n         'info_dict': {\n             'id': '10635995',\n@@ -21,14 +21,26 @@\n             # Sometimes wat serves the whole file with the --test option\n             'skip_download': True,\n         },\n+    }, {\n+        'url': 'http://www.tfou.fr/chuggington/videos/le-grand-mysterioso-chuggington-7085291-739.html',\n+        'info_dict': {\n+            'id': '12043945',\n+            'ext': 'mp4',\n+            'title': 'Le grand Myst\u00e9rioso - Chuggington',\n+            'description': 'Le grand Myst\u00e9rioso - Emery r\u00eave qu\\'un article lui soit consacr\u00e9 dans le journal.',\n+            'upload_date': '20150103',\n+        },\n+        'params': {\n+            # Sometimes wat serves the whole file with the --test option\n+            'skip_download': True,\n+        },\n     }\n \n     def _real_extract(self, url):\n-        mobj = re.match(self._VALID_URL, url)\n-        video_id = mobj.group('id')\n+        video_id = self._match_id(url)\n         webpage = self._download_webpage(url, video_id)\n         embed_url = self._html_search_regex(\n-            r'\"(https://www.wat.tv/embedframe/.*?)\"', webpage, 'embed url')\n+            r'[\"\\'](https?://www.wat.tv/embedframe/.*?)[\"\\']', webpage, 'embed url')\n         embed_page = self._download_webpage(embed_url, video_id,\n                                             'Downloading embed player page')\n         wat_id = self._search_regex(r'UVID=(.*?)&', embed_page, 'wat id')\n", "issue": "Support for tfou.fr\n youtube-dl --verbose 'http://www.tfou.fr/les-mysterieuses-cites-d-or-saison-2/videos/l-expedition-les-mysterieuses-cites-d-or-8302866-739.html'\n[debug] System config: []\n[debug] User config: []\n[debug] Command-line args: ['--verbose', 'http://www.tfou.fr/les-mysterieuses-cites-d-or-saison-2/videos/l-expedition-les-mysterieuses-cites-d-or-8302866-739.html']\n[debug] Encodings: locale ANSI_X3.4-1968, fs ANSI_X3.4-1968, out ANSI_X3.4-1968, pref ANSI_X3.4-1968\n[debug] youtube-dl version 2015.01.01\n[debug] Python version 2.7.6 - Linux-3.13.0-34-generic-x86_64-with-Ubuntu-14.04-trusty\n[debug] exe versions: avconv 9.16-6, avprobe 9.16-6, ffmpeg 2.4.2, ffprobe 2.4.2, rtmpdump 2.4\n[debug] Proxy map: {}\n[generic] l-expedition-les-mysterieuses-cites-d-or-8302866-739: Requesting header\nWARNING: Falling back on generic information extractor.\n[generic] l-expedition-les-mysterieuses-cites-d-or-8302866-739: Downloading webpage\n[generic] l-expedition-les-mysterieuses-cites-d-or-8302866-739: Extracting information\nERROR: Unsupported URL: http://www.tfou.fr/les-mysterieuses-cites-d-or-saison-2/videos/l-expedition-les-mysterieuses-cites-d-or-8302866-739.html\n\n", "before_files": [{"content": "# coding: utf-8\nfrom __future__ import unicode_literals\n\nimport re\n\nfrom .common import InfoExtractor\n\n\nclass TF1IE(InfoExtractor):\n    \"\"\"TF1 uses the wat.tv player.\"\"\"\n    _VALID_URL = r'http://videos\\.tf1\\.fr/.*-(?P<id>.*?)\\.html'\n    _TEST = {\n        'url': 'http://videos.tf1.fr/auto-moto/citroen-grand-c4-picasso-2013-presentation-officielle-8062060.html',\n        'info_dict': {\n            'id': '10635995',\n            'ext': 'mp4',\n            'title': 'Citro\u00ebn Grand C4 Picasso 2013 : pr\u00e9sentation officielle',\n            'description': 'Vid\u00e9o officielle du nouveau Citro\u00ebn Grand C4 Picasso, lanc\u00e9 \u00e0 l\\'automne 2013.',\n        },\n        'params': {\n            # Sometimes wat serves the whole file with the --test option\n            'skip_download': True,\n        },\n    }\n\n    def _real_extract(self, url):\n        mobj = re.match(self._VALID_URL, url)\n        video_id = mobj.group('id')\n        webpage = self._download_webpage(url, video_id)\n        embed_url = self._html_search_regex(\n            r'\"(https://www.wat.tv/embedframe/.*?)\"', webpage, 'embed url')\n        embed_page = self._download_webpage(embed_url, video_id,\n                                            'Downloading embed player page')\n        wat_id = self._search_regex(r'UVID=(.*?)&', embed_page, 'wat id')\n        wat_info = self._download_json(\n            'http://www.wat.tv/interface/contentv3/%s' % wat_id, video_id)\n        return self.url_result(wat_info['media']['url'], 'Wat')\n", "path": "youtube_dl/extractor/tf1.py"}], "after_files": [{"content": "# coding: utf-8\nfrom __future__ import unicode_literals\n\nimport re\n\nfrom .common import InfoExtractor\n\n\nclass TF1IE(InfoExtractor):\n    \"\"\"TF1 uses the wat.tv player.\"\"\"\n    _VALID_URL = r'http://(?:videos\\.tf1|www\\.tfou)\\.fr/.*?-(?P<id>\\d+)(?:-\\d+)?\\.html'\n    _TESTS = {\n        'url': 'http://videos.tf1.fr/auto-moto/citroen-grand-c4-picasso-2013-presentation-officielle-8062060.html',\n        'info_dict': {\n            'id': '10635995',\n            'ext': 'mp4',\n            'title': 'Citro\u00ebn Grand C4 Picasso 2013 : pr\u00e9sentation officielle',\n            'description': 'Vid\u00e9o officielle du nouveau Citro\u00ebn Grand C4 Picasso, lanc\u00e9 \u00e0 l\\'automne 2013.',\n        },\n        'params': {\n            # Sometimes wat serves the whole file with the --test option\n            'skip_download': True,\n        },\n    }, {\n        'url': 'http://www.tfou.fr/chuggington/videos/le-grand-mysterioso-chuggington-7085291-739.html',\n        'info_dict': {\n            'id': '12043945',\n            'ext': 'mp4',\n            'title': 'Le grand Myst\u00e9rioso - Chuggington',\n            'description': 'Le grand Myst\u00e9rioso - Emery r\u00eave qu\\'un article lui soit consacr\u00e9 dans le journal.',\n            'upload_date': '20150103',\n        },\n        'params': {\n            # Sometimes wat serves the whole file with the --test option\n            'skip_download': True,\n        },\n    }\n\n    def _real_extract(self, url):\n        video_id = self._match_id(url)\n        webpage = self._download_webpage(url, video_id)\n        embed_url = self._html_search_regex(\n            r'[\"\\'](https?://www.wat.tv/embedframe/.*?)[\"\\']', webpage, 'embed url')\n        embed_page = self._download_webpage(embed_url, video_id,\n                                            'Downloading embed player page')\n        wat_id = self._search_regex(r'UVID=(.*?)&', embed_page, 'wat id')\n        wat_info = self._download_json(\n            'http://www.wat.tv/interface/contentv3/%s' % wat_id, video_id)\n        return self.url_result(wat_info['media']['url'], 'Wat')\n", "path": "youtube_dl/extractor/tf1.py"}]}