Add support for Howcast.com - closes #835
[youtube-dl] / youtube_dl / InfoExtractors.py
index f4e7065d1c7264c25e37224927ea3012579b9fe7..938d2d805d2e3ad8ca881677a8a2c18709ce3201 100755 (executable)
@@ -188,6 +188,45 @@ class InfoExtractor(object):
             video_info['title'] = playlist_title
         return video_info
 
+class SearchInfoExtractor(InfoExtractor):
+    """
+    Base class for paged search queries extractors.
+    They accept urls in the format _SEARCH_KEY(|all|[0-9]):{query}
+    Instances should define _SEARCH_KEY and _MAX_RESULTS.
+    """
+
+    @classmethod
+    def _make_valid_url(cls):
+        return r'%s(?P<prefix>|[1-9][0-9]*|all):(?P<query>[\s\S]+)' % cls._SEARCH_KEY
+
+    @classmethod
+    def suitable(cls, url):
+        return re.match(cls._make_valid_url(), url) is not None
+
+    def _real_extract(self, query):
+        mobj = re.match(self._make_valid_url(), query)
+        if mobj is None:
+            raise ExtractorError(u'Invalid search query "%s"' % query)
+
+        prefix = mobj.group('prefix')
+        query = mobj.group('query')
+        if prefix == '':
+            return self._get_n_results(query, 1)
+        elif prefix == 'all':
+            return self._get_n_results(query, self._MAX_RESULTS)
+        else:
+            n = int(prefix)
+            if n <= 0:
+                raise ExtractorError(u'invalid download number %s for query "%s"' % (n, query))
+            elif n > self._MAX_RESULTS:
+                self._downloader.report_warning(u'%s returns max %i results (you requested %i)' % (self._SEARCH_KEY, self._MAX_RESULTS, n))
+                n = self._MAX_RESULTS
+            return self._get_n_results(query, n)
+
+    def _get_n_results(self, query, n):
+        """Get a specified number of results for a query"""
+        raise NotImplementedError("This method must be implemented by sublclasses")
+
 
 class YoutubeIE(InfoExtractor):
     """Information extractor for youtube.com."""
@@ -610,10 +649,13 @@ class YoutubeIE(InfoExtractor):
             self.report_rtmp_download()
             video_url_list = [(None, video_info['conn'][0])]
         elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
-            url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
-            url_data = [compat_parse_qs(uds) for uds in url_data_strs]
-            url_data = [ud for ud in url_data if 'itag' in ud and 'url' in ud]
-            url_map = dict((ud['itag'][0], ud['url'][0] + '&signature=' + ud['sig'][0]) for ud in url_data)
+            url_map = {}
+            for url_data_str in video_info['url_encoded_fmt_stream_map'][0].split(','):
+                url_data = compat_parse_qs(url_data_str)
+                if 'itag' in url_data and 'url' in url_data:
+                    url = url_data['url'][0] + '&signature=' + url_data['sig'][0]
+                    if not 'ratebypass' in url: url += '&ratebypass=yes'
+                    url_map[url_data['itag'][0]] = url
 
             format_limit = self._downloader.params.get('format_limit', None)
             available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
@@ -909,123 +951,72 @@ class PhotobucketIE(InfoExtractor):
 
 
 class YahooIE(InfoExtractor):
-    """Information extractor for video.yahoo.com."""
+    """Information extractor for screen.yahoo.com."""
+    _VALID_URL = r'http://screen\.yahoo\.com/.*?-(?P<id>\d*?)\.html'
 
-    _WORKING = False
-    # _VALID_URL matches all Yahoo! Video URLs
-    # _VPAGE_URL matches only the extractable '/watch/' URLs
-    _VALID_URL = r'(?:http://)?(?:[a-z]+\.)?video\.yahoo\.com/(?:watch|network)/([0-9]+)(?:/|\?v=)([0-9]+)(?:[#\?].*)?'
-    _VPAGE_URL = r'(?:http://)?video\.yahoo\.com/watch/([0-9]+)/([0-9]+)(?:[#\?].*)?'
-    IE_NAME = u'video.yahoo'
-
-    def _real_extract(self, url, new_video=True):
-        # Extract ID from URL
+    def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         if mobj is None:
             raise ExtractorError(u'Invalid URL: %s' % url)
-
-        video_id = mobj.group(2)
-        video_extension = 'flv'
-
-        # Rewrite valid but non-extractable URLs as
-        # extractable English language /watch/ URLs
-        if re.match(self._VPAGE_URL, url) is None:
-            request = compat_urllib_request.Request(url)
-            try:
-                webpage = compat_urllib_request.urlopen(request).read()
-            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-                raise ExtractorError(u'Unable to retrieve video webpage: %s' % compat_str(err))
-
-            mobj = re.search(r'\("id", "([0-9]+)"\);', webpage)
-            if mobj is None:
-                raise ExtractorError(u'Unable to extract id field')
-            yahoo_id = mobj.group(1)
-
-            mobj = re.search(r'\("vid", "([0-9]+)"\);', webpage)
-            if mobj is None:
-                raise ExtractorError(u'Unable to extract vid field')
-            yahoo_vid = mobj.group(1)
-
-            url = 'http://video.yahoo.com/watch/%s/%s' % (yahoo_vid, yahoo_id)
-            return self._real_extract(url, new_video=False)
-
-        # Retrieve video webpage to extract further information
-        request = compat_urllib_request.Request(url)
-        try:
-            self.report_download_webpage(video_id)
-            webpage = compat_urllib_request.urlopen(request).read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            raise ExtractorError(u'Unable to retrieve video webpage: %s' % compat_str(err))
-
-        # Extract uploader and title from webpage
-        self.report_extraction(video_id)
-        mobj = re.search(r'<meta name="title" content="(.*)" />', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract video title')
-        video_title = mobj.group(1).decode('utf-8')
-
-        mobj = re.search(r'<h2 class="ti-5"><a href="http://video\.yahoo\.com/(people|profile)/[0-9]+" beacon=".*">(.*)</a></h2>', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract video uploader')
-        video_uploader = mobj.group(1).decode('utf-8')
-
-        # Extract video thumbnail
-        mobj = re.search(r'<link rel="image_src" href="(.*)" />', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract video thumbnail')
-        video_thumbnail = mobj.group(1).decode('utf-8')
-
-        # Extract video description
-        mobj = re.search(r'<meta name="description" content="(.*)" />', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract video description')
-        video_description = mobj.group(1).decode('utf-8')
-        if not video_description:
-            video_description = 'No description available.'
-
-        # Extract video height and width
-        mobj = re.search(r'<meta name="video_height" content="([0-9]+)" />', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract video height')
-        yv_video_height = mobj.group(1)
-
-        mobj = re.search(r'<meta name="video_width" content="([0-9]+)" />', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract video width')
-        yv_video_width = mobj.group(1)
-
-        # Retrieve video playlist to extract media URL
-        # I'm not completely sure what all these options are, but we
-        # seem to need most of them, otherwise the server sends a 401.
-        yv_lg = 'R0xx6idZnW2zlrKP8xxAIR'  # not sure what this represents
-        yv_bitrate = '700'  # according to Wikipedia this is hard-coded
-        request = compat_urllib_request.Request('http://cosmos.bcst.yahoo.com/up/yep/process/getPlaylistFOP.php?node_id=' + video_id +
-                '&tech=flash&mode=playlist&lg=' + yv_lg + '&bitrate=' + yv_bitrate + '&vidH=' + yv_video_height +
-                '&vidW=' + yv_video_width + '&swf=as3&rd=video.yahoo.com&tk=null&adsupported=v1,v2,&eventid=1301797')
-        try:
-            self.report_download_webpage(video_id)
-            webpage = compat_urllib_request.urlopen(request).read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            raise ExtractorError(u'Unable to retrieve video webpage: %s' % compat_str(err))
-
-        # Extract media URL from playlist XML
-        mobj = re.search(r'<STREAM APP="(http://.*)" FULLPATH="/?(/.*\.flv\?[^"]*)"', webpage)
-        if mobj is None:
-            raise ExtractorError(u'Unable to extract media URL')
-        video_url = compat_urllib_parse.unquote(mobj.group(1) + mobj.group(2)).decode('utf-8')
-        video_url = unescapeHTML(video_url)
-
-        return [{
-            'id':       video_id.decode('utf-8'),
-            'url':      video_url,
-            'uploader': video_uploader,
-            'upload_date':  None,
-            'title':    video_title,
-            'ext':      video_extension.decode('utf-8'),
-            'thumbnail':    video_thumbnail.decode('utf-8'),
-            'description':  video_description,
-        }]
-
+        video_id = mobj.group('id')
+        webpage = self._download_webpage(url, video_id)
+        m_id = re.search(r'YUI\.namespace\("Media"\)\.CONTENT_ID = "(?P<new_id>.+?)";', webpage)
+
+        if m_id is None: 
+            # TODO: Check which url parameters are required
+            info_url = 'http://cosmos.bcst.yahoo.com/rest/v2/pops;lmsoverride=1;outputformat=mrss;cb=974419660;id=%s;rd=news.yahoo.com;datacontext=mdb;lg=KCa2IihxG3qE60vQ7HtyUy' % video_id
+            webpage = self._download_webpage(info_url, video_id, u'Downloading info webpage')
+            info_re = r'''<title><!\[CDATA\[(?P<title>.*?)\]\]></title>.*
+                        <description><!\[CDATA\[(?P<description>.*?)\]\]></description>.*
+                        <media:pubStart><!\[CDATA\[(?P<date>.*?)\ .*\]\]></media:pubStart>.*
+                        <media:content\ medium="image"\ url="(?P<thumb>.*?)"\ name="LARGETHUMB"
+                        '''
+            self.report_extraction(video_id)
+            m_info = re.search(info_re, webpage, re.VERBOSE|re.DOTALL)
+            if m_info is None:
+                raise ExtractorError(u'Unable to extract video info')
+            video_title = m_info.group('title')
+            video_description = m_info.group('description')
+            video_thumb = m_info.group('thumb')
+            video_date = m_info.group('date')
+            video_date = datetime.datetime.strptime(video_date, '%m/%d/%Y').strftime('%Y%m%d')
+    
+            # TODO: Find a way to get mp4 videos
+            rest_url = 'http://cosmos.bcst.yahoo.com/rest/v2/pops;element=stream;outputformat=mrss;id=%s;lmsoverride=1;bw=375;dynamicstream=1;cb=83521105;tech=flv,mp4;rd=news.yahoo.com;datacontext=mdb;lg=KCa2IihxG3qE60vQ7HtyUy' % video_id
+            webpage = self._download_webpage(rest_url, video_id, u'Downloading video url webpage')
+            m_rest = re.search(r'<media:content url="(?P<url>.*?)" path="(?P<path>.*?)"', webpage)
+            video_url = m_rest.group('url')
+            video_path = m_rest.group('path')
+            if m_rest is None:
+                raise ExtractorError(u'Unable to extract video url')
+
+        else: # We have to use a different method if another id is defined
+            long_id = m_id.group('new_id')
+            info_url = 'http://video.query.yahoo.com/v1/public/yql?q=SELECT%20*%20FROM%20yahoo.media.video.streams%20WHERE%20id%3D%22' + long_id + '%22%20AND%20format%3D%22mp4%2Cflv%22%20AND%20protocol%3D%22rtmp%2Chttp%22%20AND%20plrs%3D%2286Gj0vCaSzV_Iuf6hNylf2%22%20AND%20acctid%3D%22389%22%20AND%20plidl%3D%22%22%20AND%20pspid%3D%22792700001%22%20AND%20offnetwork%3D%22false%22%20AND%20site%3D%22ivy%22%20AND%20lang%3D%22en-US%22%20AND%20region%3D%22US%22%20AND%20override%3D%22none%22%3B&env=prod&format=json&callback=YUI.Env.JSONP.yui_3_8_1_1_1368368376830_335'
+            webpage = self._download_webpage(info_url, video_id, u'Downloading info json')
+            json_str = re.search(r'YUI.Env.JSONP.yui.*?\((.*?)\);', webpage).group(1)
+            info = json.loads(json_str)
+            res = info[u'query'][u'results'][u'mediaObj'][0]
+            stream = res[u'streams'][0]
+            video_path = stream[u'path']
+            video_url = stream[u'host']
+            meta = res[u'meta']
+            video_title = meta[u'title']
+            video_description = meta[u'description']
+            video_thumb = meta[u'thumbnail']
+            video_date = None # I can't find it
+
+        info_dict = {
+                     'id': video_id,
+                     'url': video_url,
+                     'play_path': video_path,
+                     'title':video_title,
+                     'description': video_description,
+                     'thumbnail': video_thumb,
+                     'upload_date': video_date,
+                     'ext': 'flv',
+                     }
+        return info_dict
 
 class VimeoIE(InfoExtractor):
     """Information extractor for vimeo.com."""
@@ -1313,6 +1304,8 @@ class GenericIE(InfoExtractor):
             opener.add_handler(handler())
 
         response = opener.open(HeadRequest(url))
+        if response is None:
+            raise ExtractorError(u'Invalid URL protocol')
         new_url = response.geturl()
 
         if url == new_url:
@@ -1384,42 +1377,18 @@ class GenericIE(InfoExtractor):
         }]
 
 
-class YoutubeSearchIE(InfoExtractor):
+class YoutubeSearchIE(SearchInfoExtractor):
     """Information Extractor for YouTube search queries."""
-    _VALID_URL = r'ytsearch(\d+|all)?:[\s\S]+'
     _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
-    _max_youtube_results = 1000
+    _MAX_RESULTS = 1000
     IE_NAME = u'youtube:search'
+    _SEARCH_KEY = 'ytsearch'
 
     def report_download_page(self, query, pagenum):
         """Report attempt to download search page with given number."""
         query = query.decode(preferredencoding())
         self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
 
-    def _real_extract(self, query):
-        mobj = re.match(self._VALID_URL, query)
-        if mobj is None:
-            raise ExtractorError(u'Invalid search query "%s"' % query)
-
-        prefix, query = query.split(':')
-        prefix = prefix[8:]
-        query = query.encode('utf-8')
-        if prefix == '':
-            return self._get_n_results(query, 1)
-        elif prefix == 'all':
-            self._get_n_results(query, self._max_youtube_results)
-        else:
-            try:
-                n = int(prefix)
-                if n <= 0:
-                    raise ExtractorError(u'Invalid download number %s for query "%s"' % (n, query))
-                elif n > self._max_youtube_results:
-                    self._downloader.report_warning(u'ytsearch returns max %i results (you requested %i)' % (self._max_youtube_results, n))
-                    n = self._max_youtube_results
-                return self._get_n_results(query, n)
-            except ValueError: # parsing prefix as integer fails
-                return self._get_n_results(query, 1)
-
     def _get_n_results(self, query, n):
         """Get a specified number of results for a query"""
 
@@ -1449,36 +1418,18 @@ class YoutubeSearchIE(InfoExtractor):
         if len(video_ids) > n:
             video_ids = video_ids[:n]
         videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
-        return videos
+        return self.playlist_result(videos, query)
 
 
-class GoogleSearchIE(InfoExtractor):
+class GoogleSearchIE(SearchInfoExtractor):
     """Information Extractor for Google Video search queries."""
-    _VALID_URL = r'gvsearch(?P<prefix>|\d+|all):(?P<query>[\s\S]+)'
-    _MORE_PAGES_INDICATOR = r'class="pn" id="pnnext"'
-    _max_google_results = 1000
+    _MORE_PAGES_INDICATOR = r'id="pnnext" class="pn"'
+    _MAX_RESULTS = 1000
     IE_NAME = u'video.google:search'
+    _SEARCH_KEY = 'gvsearch'
 
-    def _real_extract(self, query):
-        mobj = re.match(self._VALID_URL, query)
-
-        prefix = mobj.group('prefix')
-        query = mobj.group('query')
-        if prefix == '':
-            return self._download_n_results(query, 1)
-        elif prefix == 'all':
-            return self._download_n_results(query, self._max_google_results)
-        else:
-            n = int(prefix)
-            if n <= 0:
-                raise ExtractorError(u'invalid download number %s for query "%s"' % (n, query))
-            elif n > self._max_google_results:
-                self._downloader.report_warning(u'gvsearch returns max %i results (you requested %i)' % (self._max_google_results, n))
-                n = self._max_google_results
-            return self._download_n_results(query, n)
-
-    def _download_n_results(self, query, n):
-        """Downloads a specified number of results for a query"""
+    def _get_n_results(self, query, n):
+        """Get a specified number of results for a query"""
 
         res = {
             '_type': 'playlist',
@@ -1487,7 +1438,7 @@ class GoogleSearchIE(InfoExtractor):
         }
 
         for pagenum in itertools.count(1):
-            result_url = u'http://video.google.com/videosearch?q=%s&start=%s&hl=en' % (compat_urllib_parse.quote_plus(query), pagenum*10)
+            result_url = u'http://www.google.com/search?tbm=vid&q=%s&start=%s&hl=en' % (compat_urllib_parse.quote_plus(query), pagenum*10)
             webpage = self._download_webpage(result_url, u'gvsearch:' + query,
                                              note='Downloading result page ' + str(pagenum))
 
@@ -1501,84 +1452,39 @@ class GoogleSearchIE(InfoExtractor):
             if (pagenum * 10 > n) or not re.search(self._MORE_PAGES_INDICATOR, webpage):
                 return res
 
-class YahooSearchIE(InfoExtractor):
+class YahooSearchIE(SearchInfoExtractor):
     """Information Extractor for Yahoo! Video search queries."""
 
-    _WORKING = False
-    _VALID_URL = r'yvsearch(\d+|all)?:[\s\S]+'
-    _TEMPLATE_URL = 'http://video.yahoo.com/search/?p=%s&o=%s'
-    _VIDEO_INDICATOR = r'href="http://video\.yahoo\.com/watch/([0-9]+/[0-9]+)"'
-    _MORE_PAGES_INDICATOR = r'\s*Next'
-    _max_yahoo_results = 1000
-    IE_NAME = u'video.yahoo:search'
-
-    def report_download_page(self, query, pagenum):
-        """Report attempt to download playlist page with given number."""
-        query = query.decode(preferredencoding())
-        self.to_screen(u'query "%s": Downloading page %s' % (query, pagenum))
-
-    def _real_extract(self, query):
-        mobj = re.match(self._VALID_URL, query)
-        if mobj is None:
-            raise ExtractorError(u'Invalid search query "%s"' % query)
+    _MAX_RESULTS = 1000
+    IE_NAME = u'screen.yahoo:search'
+    _SEARCH_KEY = 'yvsearch'
 
-        prefix, query = query.split(':')
-        prefix = prefix[8:]
-        query = query.encode('utf-8')
-        if prefix == '':
-            self._download_n_results(query, 1)
-            return
-        elif prefix == 'all':
-            self._download_n_results(query, self._max_yahoo_results)
-            return
-        else:
-            try:
-                n = int(prefix)
-                if n <= 0:
-                    raise ExtractorError(u'Invalid download number %s for query "%s"' % (n, query))
-                elif n > self._max_yahoo_results:
-                    self._downloader.report_warning(u'yvsearch returns max %i results (you requested %i)' % (self._max_yahoo_results, n))
-                    n = self._max_yahoo_results
-                self._download_n_results(query, n)
-                return
-            except ValueError: # parsing prefix as integer fails
-                self._download_n_results(query, 1)
-                return
-
-    def _download_n_results(self, query, n):
-        """Downloads a specified number of results for a query"""
-
-        video_ids = []
-        already_seen = set()
-        pagenum = 1
-
-        while True:
-            self.report_download_page(query, pagenum)
-            result_url = self._TEMPLATE_URL % (compat_urllib_parse.quote_plus(query), pagenum)
-            request = compat_urllib_request.Request(result_url)
-            try:
-                page = compat_urllib_request.urlopen(request).read()
-            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-                raise ExtractorError(u'Unable to download webpage: %s' % compat_str(err))
+    def _get_n_results(self, query, n):
+        """Get a specified number of results for a query"""
 
-            # Extract video identifiers
-            for mobj in re.finditer(self._VIDEO_INDICATOR, page):
-                video_id = mobj.group(1)
-                if video_id not in already_seen:
-                    video_ids.append(video_id)
-                    already_seen.add(video_id)
-                    if len(video_ids) == n:
-                        # Specified n videos reached
-                        for id in video_ids:
-                            self._downloader.download(['http://video.yahoo.com/watch/%s' % id])
-                        return
-
-            if re.search(self._MORE_PAGES_INDICATOR, page) is None:
-                for id in video_ids:
-                    self._downloader.download(['http://video.yahoo.com/watch/%s' % id])
-                return
+        res = {
+            '_type': 'playlist',
+            'id': query,
+            'entries': []
+        }
+        for pagenum in itertools.count(0): 
+            result_url = u'http://video.search.yahoo.com/search/?p=%s&fr=screen&o=js&gs=0&b=%d' % (compat_urllib_parse.quote_plus(query), pagenum * 30)
+            webpage = self._download_webpage(result_url, query,
+                                             note='Downloading results page '+str(pagenum+1))
+            info = json.loads(webpage)
+            m = info[u'm']
+            results = info[u'results']
+
+            for (i, r) in enumerate(results):
+                if (pagenum * 30) +i >= n:
+                    break
+                mobj = re.search(r'(?P<url>screen\.yahoo\.com/.*?-\d*?\.html)"', r)
+                e = self.url_result('http://' + mobj.group('url'), 'Yahoo')
+                res['entries'].append(e)
+            if (pagenum * 30 +i >= n) or (m[u'last'] >= (m[u'total'] -1 )):
+                break
 
-            pagenum = pagenum + 1
+        return res
 
 
 class YoutubePlaylistIE(InfoExtractor):
@@ -3395,18 +3301,26 @@ class UstreamIE(InfoExtractor):
         video_id = m.group('videoID')
         video_url = u'http://tcdn.ustream.tv/video/%s' % video_id
         webpage = self._download_webpage(url, video_id)
-        m = re.search(r'data-title="(?P<title>.+)"',webpage)
-        title = m.group('title')
-        m = re.search(r'<a class="state" data-content-type="channel" data-content-id="(?P<uploader>\d+)"',webpage)
-        uploader = m.group('uploader')
+        self.report_extraction(video_id)
+        try:
+            m = re.search(r'data-title="(?P<title>.+)"',webpage)
+            title = m.group('title')
+            m = re.search(r'data-content-type="channel".*?>(?P<uploader>.*?)</a>',
+                          webpage, re.DOTALL)
+            uploader = unescapeHTML(m.group('uploader').strip())
+            m = re.search(r'<link rel="image_src" href="(?P<thumb>.*?)"', webpage)
+            thumb = m.group('thumb')
+        except AttributeError:
+            raise ExtractorError(u'Unable to extract info')
         info = {
                 'id':video_id,
                 'url':video_url,
                 'ext': 'flv',
                 'title': title,
-                'uploader': uploader
+                'uploader': uploader,
+                'thumbnail': thumb,
                   }
-        return [info]
+        return info
 
 class WorldStarHipHopIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www|m)\.worldstar(?:candy|hiphop)\.com/videos/video\.php\?v=(?P<id>.*)'
@@ -4124,7 +4038,71 @@ class RedTubeIE(InfoExtractor):
             'ext':      video_extension,
             'title':    video_title,
         }]
+        
+class InaIE(InfoExtractor):
+    """Information Extractor for Ina.fr"""
+    _VALID_URL = r'(?:http://)?(?:www\.)?ina\.fr/video/(?P<id>I[0-9]+)/.*'
+
+    def _real_extract(self,url):
+        mobj = re.match(self._VALID_URL, url)
+
+        video_id = mobj.group('id')
+        mrss_url='http://player.ina.fr/notices/%s.mrss' % video_id
+        video_extension = 'mp4'
+        webpage = self._download_webpage(mrss_url, video_id)
+
+        mobj = re.search(r'<media:player url="(?P<mp4url>http://mp4.ina.fr/[^"]+\.mp4)', webpage)
+        if mobj is None:
+            raise ExtractorError(u'Unable to extract media URL')
+        video_url = mobj.group(1)
+
+        mobj = re.search(r'<title><!\[CDATA\[(?P<titre>.*?)]]></title>', webpage)
+        if mobj is None:
+            raise ExtractorError(u'Unable to extract title')
+        video_title = mobj.group(1)
+
+        return [{
+            'id':       video_id,
+            'url':      video_url,
+            'ext':      video_extension,
+            'title':    video_title,
+        }]
+
+class HowcastIE(InfoExtractor):
+    """Information Extractor for Ina.fr"""
+    _VALID_URL = r'(?:https?://)?(?:www\.)?howcast\.com/videos/(?P<id>[\d]+)'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+
+        video_id = mobj.group('id')
+        webpage_url = 'http://www.howcast.com/videos/' + video_id
+        webpage = self._download_webpage(webpage_url, video_id)
+
+        mobj = re.search(r'\'file\': "(http://mobile-media\.howcast\.com/\d+\.mp4)"', webpage)
+        if mobj is None:
+            raise ExtractorError(u'Unable to extract video URL')
+        video_url = mobj.group(1)
 
+        mobj = re.search(r'<meta content=(?:"([^"]+)"|\'([^\']+)\') property=\'og:title\'', webpage)
+        if mobj is None:
+            raise ExtractorError(u'Unable to extract title')
+        video_title = mobj.group(1) or mobj.group(2)
+
+        mobj = re.search(r'<meta content=(?:"([^"]+)"|\'([^\']+)\') name=\'description\'', webpage)
+        if mobj is None:
+            self._downloader.report_warning(u'unable to extract description')
+            video_description = None
+        else:
+            video_description = mobj.group(1) or mobj.group(2)
+
+        return [{
+            'id':       video_id,
+            'url':      video_url,
+            'ext':      'mp4',
+            'title':    video_title,
+            'description': video_description,
+        }]
 
 def gen_extractors():
     """ Return a list of an instance of every supported extractor.
@@ -4182,6 +4160,8 @@ def gen_extractors():
         TumblrIE(),
         BandcampIE(),
         RedTubeIE(),
+        InaIE(),
+        HowcastIE(),
         GenericIE()
     ]