Merge pull request #472 from gcmalloc/master
[youtube-dl] / youtube_dl / InfoExtractors.py
index e17b0529e3024977b7146299afe8f7560c1f0c00..88973cce8982b70a57039a26208a9c647474160f 100644 (file)
@@ -13,6 +13,8 @@ import urllib
 import urllib2
 import email.utils
 import xml.etree.ElementTree
+import random
+import math
 from urlparse import parse_qs
 
 try:
@@ -95,7 +97,25 @@ class InfoExtractor(object):
 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 
-       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|tube.majestyc.net/)(?!view_play_list|my_playlists|artist|playlist)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))?)?([0-9A-Za-z_-]+)(?(1).+)?$'
+       _VALID_URL = r"""^
+                        (
+                            (?:https?://)?                                       # http(s):// (optional)
+                            (?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|
+                               tube\.majestyc\.net/)                             # the various hostnames, with wildcard subdomains
+                            (?!view_play_list|my_playlists|artist|playlist)      # ignore playlist URLs
+                            (?:                                                  # the various things that can precede the ID:
+                                (?:(?:v|embed|e)/)                               # v/ or embed/ or e/
+                                |(?:                                             # or the v= param in all its forms
+                                    (?:watch(?:_popup)?(?:\.php)?)?              # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
+                                    (?:\?|\#!?)                                  # the params delimiter ? or # or #!
+                                    (?:.+&)?                                     # any other preceding param (like /?s=tuff&v=xxxx)
+                                    v=
+                                )
+                            )?                                                   # optional -> youtube.com/xxxx is OK
+                        )?                                                       # all until now is optional -> you can pass the naked ID
+                        ([0-9A-Za-z_-]+)                                         # here is it! the YouTube video ID
+                        (?(1).+)?                                                # if we found the ID, everything can follow
+                        $"""
        _LANG_URL = r'http://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
        _LOGIN_URL = 'https://www.youtube.com/signup?next=/&gl=US&hl=en'
        _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
@@ -134,6 +154,10 @@ class YoutubeIE(InfoExtractor):
        }       
        IE_NAME = u'youtube'
 
+       def suitable(self, url):
+               """Receives a URL and returns True if suitable for this IE."""
+               return re.match(self._VALID_URL, url, re.VERBOSE) is not None
+
        def report_lang(self):
                """Report attempt to set language."""
                self._downloader.to_screen(u'[youtube] Setting language')
@@ -268,7 +292,7 @@ class YoutubeIE(InfoExtractor):
                        url = 'http://www.youtube.com/' + urllib.unquote(mobj.group(1)).lstrip('/')
 
                # Extract video id from URL
-               mobj = re.match(self._VALID_URL, url)
+               mobj = re.match(self._VALID_URL, url, re.VERBOSE)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
                        return
@@ -402,7 +426,7 @@ class YoutubeIE(InfoExtractor):
                        url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
                        url_data = [parse_qs(uds) for uds in url_data_strs]
                        url_data = filter(lambda ud: 'itag' in ud and 'url' in ud, url_data)
-                       url_map = dict((ud['itag'][0], ud['url'][0]) for ud in url_data)
+                       url_map = dict((ud['itag'][0], ud['url'][0] + '&signature=' + ud['sig'][0]) for ud in url_data)
 
                        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
@@ -445,7 +469,6 @@ class YoutubeIE(InfoExtractor):
                        video_extension = self._video_extensions.get(format_param, 'flv')
 
                        results.append({
-                               'provider': IE_NAME,
                                'id':           video_id.decode('utf-8'),
                                'url':          video_real_url.decode('utf-8'),
                                'uploader':     video_uploader.decode('utf-8'),
@@ -579,7 +602,6 @@ class MetacafeIE(InfoExtractor):
                video_uploader = mobj.group(1)
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          video_url.decode('utf-8'),
                        'uploader':     video_uploader.decode('utf-8'),
@@ -594,7 +616,7 @@ class MetacafeIE(InfoExtractor):
 class DailymotionIE(InfoExtractor):
        """Information Extractor for Dailymotion"""
 
-       _VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/video/([^_/]+)_([^/]+)'
+       _VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/video/([^/]+)'
        IE_NAME = u'dailymotion'
 
        def __init__(self, downloader=None):
@@ -615,9 +637,9 @@ class DailymotionIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
                        return
 
-               video_id = mobj.group(1)
+               video_id = mobj.group(1).split('_')[0].split('?')[0]
 
-               video_extension = 'flv'
+               video_extension = 'mp4'
 
                # Retrieve video webpage to extract further information
                request = urllib2.Request(url)
@@ -631,20 +653,29 @@ class DailymotionIE(InfoExtractor):
 
                # Extract URL, uploader and title from webpage
                self.report_extraction(video_id)
-               mobj = re.search(r'(?i)addVariable\(\"sequence\"\s*,\s*\"([^\"]+?)\"\)', webpage)
+               mobj = re.search(r'\s*var flashvars = (.*)', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract media URL')
                        return
-               sequence = urllib.unquote(mobj.group(1))
-               mobj = re.search(r',\"sdURL\"\:\"([^\"]+?)\",', sequence)
+               flashvars = urllib.unquote(mobj.group(1))
+
+               for key in ['hd1080URL', 'hd720URL', 'hqURL', 'sdURL', 'ldURL', 'video_url']:
+                       if key in flashvars:
+                               max_quality = key
+                               self._downloader.to_screen(u'[dailymotion] Using %s' % key)
+                               break
+               else:
+                       self._downloader.trouble(u'ERROR: unable to extract video URL')
+                       return
+
+               mobj = re.search(r'"' + max_quality + r'":"(.+?)"', flashvars)
                if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract media URL')
+                       self._downloader.trouble(u'ERROR: unable to extract video URL')
                        return
-               mediaURL = urllib.unquote(mobj.group(1)).replace('\\', '')
 
-               # if needed add http://www.dailymotion.com/ if relative URL
+               video_url = urllib.unquote(mobj.group(1)).replace('\\/', '/')
 
-               video_url = mediaURL
+               # TODO: support choosing qualities
 
                mobj = re.search(r'<meta property="og:title" content="(?P<title>[^"]*)" />', webpage)
                if mobj is None:
@@ -652,18 +683,23 @@ class DailymotionIE(InfoExtractor):
                        return
                video_title = unescapeHTML(mobj.group('title').decode('utf-8'))
 
+               video_uploader = u'NA'
                mobj = re.search(r'(?im)<span class="owner[^\"]+?">[^<]+?<a [^>]+?>([^<]+?)</a></span>', webpage)
                if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
-                       return
-               video_uploader = mobj.group(1)
+                       self._downloader.trouble(u'WARNING: unable to extract uploader nickname')
+               else:
+                       video_uploader = mobj.group(1)
+
+               video_upload_date = u'NA'
+               mobj = re.search(r'<div class="[^"]*uploaded_cont[^"]*" title="[^"]*">([0-9]{2})-([0-9]{2})-([0-9]{4})</div>', webpage)
+               if mobj is not None:
+                       video_upload_date = mobj.group(3) + mobj.group(2) + mobj.group(1)
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          video_url.decode('utf-8'),
                        'uploader':     video_uploader.decode('utf-8'),
-                       'upload_date':  u'NA',
+                       'upload_date':  video_upload_date,
                        'title':        video_title,
                        'ext':          video_extension.decode('utf-8'),
                        'format':       u'NA',
@@ -755,7 +791,6 @@ class GoogleIE(InfoExtractor):
                        video_thumbnail = ''
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          video_url.decode('utf-8'),
                        'uploader':     u'NA',
@@ -823,7 +858,6 @@ class PhotobucketIE(InfoExtractor):
                video_uploader = mobj.group(2).decode('utf-8')
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          video_url.decode('utf-8'),
                        'uploader':     video_uploader,
@@ -966,7 +1000,6 @@ class YahooIE(InfoExtractor):
                video_url = unescapeHTML(video_url)
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          video_url,
                        'uploader':     video_uploader,
@@ -1071,7 +1104,6 @@ class VimeoIE(InfoExtractor):
                                        %(video_id, sig, timestamp, quality, video_codec.upper())
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id,
                        'url':          video_url,
                        'uploader':     video_uploader,
@@ -1220,7 +1252,6 @@ class GenericIE(InfoExtractor):
                video_uploader = mobj.group(1).decode('utf-8')
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          video_url.decode('utf-8'),
                        'uploader':     video_uploader,
@@ -1477,9 +1508,9 @@ class YahooSearchIE(InfoExtractor):
 class YoutubePlaylistIE(InfoExtractor):
        """Information Extractor for YouTube playlists."""
 
-       _VALID_URL = r'(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:course|view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)(?:PL)?([0-9A-Za-z-_]+)(?:/.*?/([0-9A-Za-z_-]+))?.*'
+       _VALID_URL = r'(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:course|view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)(?:PL|EC)?([0-9A-Za-z-_]+)(?:/.*?/([0-9A-Za-z_-]+))?.*'
        _TEMPLATE_URL = 'http://www.youtube.com/%s?%s=%s&page=%s&gl=US&hl=en'
-       _VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&amp;list=(PL)?%s&'
+       _VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&amp;([^&"]+&amp;)*list=.*?%s'
        _MORE_PAGES_INDICATOR = r'yt-uix-pager-next'
        IE_NAME = u'youtube:playlist'
 
@@ -1547,6 +1578,56 @@ class YoutubePlaylistIE(InfoExtractor):
                return
 
 
+class YoutubeChannelIE(InfoExtractor):
+       """Information Extractor for YouTube channels."""
+
+       _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)(?:/.*)?$"
+       _TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
+       _MORE_PAGES_INDICATOR = r'yt-uix-button-content">Next' # TODO
+       IE_NAME = u'youtube:channel'
+
+       def report_download_page(self, channel_id, pagenum):
+               """Report attempt to download channel page with given number."""
+               self._downloader.to_screen(u'[youtube] Channel %s: Downloading page #%s' % (channel_id, pagenum))
+
+       def _real_extract(self, url):
+               # Extract channel id
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+                       return
+
+               # Download channel pages
+               channel_id = mobj.group(1)
+               video_ids = []
+               pagenum = 1
+
+               while True:
+                       self.report_download_page(channel_id, pagenum)
+                       url = self._TEMPLATE_URL % (channel_id, pagenum)
+                       request = urllib2.Request(url)
+                       try:
+                               page = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       ids_in_page = []
+                       for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&', page):
+                               if mobj.group(1) not in ids_in_page:
+                                       ids_in_page.append(mobj.group(1))
+                       video_ids.extend(ids_in_page)
+
+                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+                               break
+                       pagenum = pagenum + 1
+
+               for id in video_ids:
+                       self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
+               return
+
+
 class YoutubeUserIE(InfoExtractor):
        """Information Extractor for YouTube users."""
 
@@ -1777,7 +1858,6 @@ class DepositFilesIE(InfoExtractor):
                file_title = mobj.group(1).decode('utf-8')
 
                return [{
-                       'provider': IE_NAME,
                        'id':           file_id.decode('utf-8'),
                        'url':          file_url.decode('utf-8'),
                        'uploader':     u'NA',
@@ -1982,7 +2062,6 @@ class FacebookIE(InfoExtractor):
                        video_extension = self._video_extensions.get(format_param, 'mp4')
 
                        results.append({
-                               'provider': IE_NAME,
                                'id':           video_id.decode('utf-8'),
                                'url':          video_real_url.decode('utf-8'),
                                'uploader':     video_uploader.decode('utf-8'),
@@ -2034,7 +2113,6 @@ class BlipTVIE(InfoExtractor):
                                ext = ext.replace('.', '')
                                self.report_direct_download(title)
                                info = {
-                                       'provider': IE_NAME,
                                        'id': title,
                                        'url': url,
                                        'title': title,
@@ -2066,7 +2144,6 @@ class BlipTVIE(InfoExtractor):
                                ext = umobj.group(1)
 
                                info = {
-                                       'provider': IE_NAME,
                                        'id': data['item_id'],
                                        'url': video_url,
                                        'uploader': data['display_name'],
@@ -2136,7 +2213,6 @@ class MyVideoIE(InfoExtractor):
                video_title = mobj.group(1)
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id,
                        'url':          video_url,
                        'uploader':     u'NA',
@@ -2263,7 +2339,6 @@ class ComedyCentralIE(InfoExtractor):
 
                        effTitle = showId + u'-' + epTitle
                        info = {
-                               'provider': IE_NAME,
                                'id': shortMediaId,
                                'url': video_url,
                                'uploader': showId,
@@ -2340,7 +2415,6 @@ class EscapistIE(InfoExtractor):
                videoUrl = playlist[1]['url']
 
                info = {
-                       'provider': IE_NAME,
                        'id': videoId,
                        'url': videoUrl,
                        'uploader': showName,
@@ -2392,7 +2466,6 @@ class CollegeHumorIE(InfoExtractor):
                internal_video_id = m.group('internalvideoid')
 
                info = {
-                       'provider': IE_NAME,
                        'id': video_id,
                        'internal_id': internal_video_id,
                }
@@ -2478,7 +2551,6 @@ class XVideosIE(InfoExtractor):
                video_thumbnail = mobj.group(0).decode('utf-8')
 
                info = {
-                       'provider': IE_NAME,
                        'id': video_id,
                        'url': video_url,
                        'uploader': None,
@@ -2576,7 +2648,6 @@ class SoundcloudIE(InfoExtractor):
                request = urllib2.Request('http://media.soundcloud.com/crossdomain.xml', std_headers)
 
                return [{
-                       'provider': IE_NAME,
                        'id':           video_id.decode('utf-8'),
                        'url':          mediaURL,
                        'uploader':     uploader.decode('utf-8'),
@@ -2646,7 +2717,6 @@ class InfoQIE(InfoExtractor):
                video_id, extension = video_filename.split('.')
 
                info = {
-                       'provider': IE_NAME,
                        'id': video_id,
                        'url': video_url,
                        'uploader': None,
@@ -2762,7 +2832,6 @@ class MixcloudIE(InfoExtractor):
                        format_param = req_format
 
                return [{
-                       'provider': IE_NAME,
                        'id': file_id.decode('utf-8'),
                        'url': file_url.decode('utf-8'),
                        'uploader':     uploader.decode('utf-8'),
@@ -2799,7 +2868,6 @@ class StanfordOpenClassroomIE(InfoExtractor):
                        course = mobj.group('course')
                        video = mobj.group('video')
                        info = {
-                               'provider': IE_NAME,
                                'id': course + '_' + video,
                        }
 
@@ -2824,7 +2892,6 @@ class StanfordOpenClassroomIE(InfoExtractor):
                elif mobj.group('course'): # A course page
                        course = mobj.group('course')
                        info = {
-                               'provider': IE_NAME,
                                'id': course,
                                'type': 'playlist',
                        }
@@ -2861,7 +2928,6 @@ class StanfordOpenClassroomIE(InfoExtractor):
                        
                else: # Root page
                        info = {
-                               'provider': IE_NAME,
                                'id': 'Stanford OpenClassroom',
                                'type': 'playlist',
                        }
@@ -2969,7 +3035,6 @@ class MTVIE(InfoExtractor):
                        return
 
                info = {
-                       'provider': IE_NAME,
                        'id': video_id,
                        'url': video_url,
                        'uploader': performer,
@@ -2979,3 +3044,314 @@ class MTVIE(InfoExtractor):
                }
 
                return [info]
+
+
+class YoukuIE(InfoExtractor):
+
+       _VALID_URL =  r'(?:http://)?v\.youku\.com/v_show/id_(?P<ID>[A-Za-z0-9]+)\.html'
+       IE_NAME = u'Youku'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_download_webpage(self, file_id):
+               """Report webpage download."""
+               self._downloader.to_screen(u'[Youku] %s: Downloading webpage' % file_id)
+
+       def report_extraction(self, file_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[Youku] %s: Extracting information' % file_id)
+
+       def _gen_sid(self):
+               nowTime = int(time.time() * 1000)
+               random1 = random.randint(1000,1998)
+               random2 = random.randint(1000,9999)
+
+               return "%d%d%d" %(nowTime,random1,random2)
+
+       def _get_file_ID_mix_string(self, seed):
+               mixed = []
+               source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
+               seed = float(seed)
+               for i in range(len(source)):
+                       seed  =  (seed * 211 + 30031 ) % 65536
+                       index  =  math.floor(seed / 65536 * len(source) )
+                       mixed.append(source[int(index)])
+                       source.remove(source[int(index)])
+               #return ''.join(mixed)
+               return mixed
+
+       def _get_file_id(self, fileId, seed):
+               mixed = self._get_file_ID_mix_string(seed)
+               ids = fileId.split('*')
+               realId = []
+               for ch in ids:
+                       if ch:
+                               realId.append(mixed[int(ch)])
+               return ''.join(realId)
+
+       def _real_extract(self, url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               video_id = mobj.group('ID')
+
+               info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
+
+               request = urllib2.Request(info_url, None, std_headers)
+               try:
+                       self.report_download_webpage(video_id)
+                       jsondata = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error) as err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction(video_id)
+               try:
+                       config = json.loads(jsondata)
+
+                       video_title =  config['data'][0]['title']
+                       seed = config['data'][0]['seed']
+
+                       format = self._downloader.params.get('format', None)
+                       supported_format = config['data'][0]['streamfileids'].keys()
+
+                       if format is None or format == 'best':
+                               if 'hd2' in supported_format:
+                                       format = 'hd2'
+                               else:
+                                       format = 'flv'
+                               ext = u'flv'
+                       elif format == 'worst':
+                               format = 'mp4'
+                               ext = u'mp4'
+                       else:
+                               format = 'flv'
+                               ext = u'flv'
+
+
+                       fileid = config['data'][0]['streamfileids'][format]
+                       seg_number = len(config['data'][0]['segs'][format])
+
+                       keys=[]
+                       for i in xrange(seg_number):
+                               keys.append(config['data'][0]['segs'][format][i]['k'])
+
+                       #TODO check error
+                       #youku only could be viewed from mainland china
+               except:
+                       self._downloader.trouble(u'ERROR: unable to extract info section')
+                       return
+
+               files_info=[]
+               sid = self._gen_sid()
+               fileid = self._get_file_id(fileid, seed)
+
+               #column 8,9 of fileid represent the segment number
+               #fileid[7:9] should be changed
+               for index, key in enumerate(keys):
+
+                       temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
+                       download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
+
+                       info = {
+                               'id': '%s_part%02d' % (video_id, index),
+                               'url': download_url,
+                               'uploader': None,
+                               'title': video_title,
+                               'ext': ext,
+                               'format': u'NA'
+                       }
+                       files_info.append(info)
+
+               return files_info
+
+
+class XNXXIE(InfoExtractor):
+       """Information extractor for xnxx.com"""
+
+       _VALID_URL = r'^http://video\.xnxx\.com/video([0-9]+)/(.*)'
+       IE_NAME = u'xnxx'
+       VIDEO_URL_RE = r'flv_url=(.*?)&amp;'
+       VIDEO_TITLE_RE = r'<title>(.*?)\s+-\s+XNXX.COM'
+       VIDEO_THUMB_RE = r'url_bigthumb=(.*?)&amp;'
+
+       def report_webpage(self, video_id):
+               """Report information extraction"""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction"""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       def _real_extract(self, url):
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+               video_id = mobj.group(1).decode('utf-8')
+
+               self.report_webpage(video_id)
+
+               # Get webpage content
+               try:
+                       webpage = urllib2.urlopen(url).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % err)
+                       return
+
+               result = re.search(self.VIDEO_URL_RE, webpage)
+               if result is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video url')
+                       return
+               video_url = urllib.unquote(result.group(1).decode('utf-8'))
+
+               result = re.search(self.VIDEO_TITLE_RE, webpage)
+               if result is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = result.group(1).decode('utf-8')
+
+               result = re.search(self.VIDEO_THUMB_RE, webpage)
+               if result is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+                       return
+               video_thumbnail = result.group(1).decode('utf-8')
+
+               info = {'id': video_id,
+                               'url': video_url,
+                               'uploader': None,
+                               'upload_date': None,
+                               'title': video_title,
+                               'ext': 'flv',
+                               'format': 'flv',
+                               'thumbnail': video_thumbnail,
+                               'description': None,
+                               'player_url': None}
+
+               return [info]
+
+
+class GooglePlusIE(InfoExtractor):
+       """Information extractor for plus.google.com."""
+
+       _VALID_URL = r'(?:https://)?plus\.google\.com/(?:\w+/)*?(\d+)/posts/(\w+)'
+       IE_NAME = u'plus.google'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       def report_extract_entry(self, url):
+               """Report downloading extry"""
+               self._downloader.to_screen(u'[plus.google] Downloading entry: %s' % url.decode('utf-8'))
+
+       def report_date(self, upload_date):
+               """Report downloading extry"""
+               self._downloader.to_screen(u'[plus.google] Entry date: %s' % upload_date)
+
+       def report_uploader(self, uploader):
+               """Report downloading extry"""
+               self._downloader.to_screen(u'[plus.google] Uploader: %s' % uploader.decode('utf-8'))
+
+       def report_title(self, video_title):
+               """Report downloading extry"""
+               self._downloader.to_screen(u'[plus.google] Title: %s' % video_title.decode('utf-8'))
+
+       def report_extract_vid_page(self, video_page):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[plus.google] Extracting video page: %s' % video_page.decode('utf-8'))
+
+       def _real_extract(self, url):
+               # Extract id from URL
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+                       return
+
+               post_url = mobj.group(0)
+               video_id = mobj.group(2)
+
+               video_extension = 'flv'
+
+               # Step 1, Retrieve post webpage to extract further information
+               self.report_extract_entry(post_url)
+               request = urllib2.Request(post_url)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve entry webpage: %s' % str(err))
+                       return
+
+               # Extract update date
+               upload_date = u'NA'
+               pattern = 'title="Timestamp">(.*?)</a>'
+               mobj = re.search(pattern, webpage)
+               if mobj:
+                       upload_date = mobj.group(1)
+                       # Convert timestring to a format suitable for filename
+                       upload_date = datetime.datetime.strptime(upload_date, "%Y-%m-%d")
+                       upload_date = upload_date.strftime('%Y%m%d')
+               self.report_date(upload_date)
+
+               # Extract uploader
+               uploader = u'NA'
+               pattern = r'rel\="author".*?>(.*?)</a>'
+               mobj = re.search(pattern, webpage)
+               if mobj:
+                       uploader = mobj.group(1)
+               self.report_uploader(uploader)
+
+               # Extract title
+               # Get the first line for title
+               video_title = u'NA'
+               pattern = r'<meta name\=\"Description\" content\=\"(.*?)[\n<"]'
+               mobj = re.search(pattern, webpage)
+               if mobj:
+                       video_title = mobj.group(1)
+               self.report_title(video_title)
+
+               # Step 2, Stimulate clicking the image box to launch video
+               pattern = '"(https\://plus\.google\.com/photos/.*?)",,"image/jpeg","video"\]'
+               mobj = re.search(pattern, webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video page URL')
+
+               video_page = mobj.group(1)
+               request = urllib2.Request(video_page)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+               self.report_extract_vid_page(video_page)
+
+
+               # Extract video links on video page
+               """Extract video links of all sizes"""
+               pattern = '\d+,\d+,(\d+),"(http\://redirector\.googlevideo\.com.*?)"'
+               mobj = re.findall(pattern, webpage)
+               if len(mobj) == 0:
+                       self._downloader.trouble(u'ERROR: unable to extract video links')
+
+               # Sort in resolution
+               links = sorted(mobj)
+
+               # Choose the lowest of the sort, i.e. highest resolution
+               video_url = links[-1]
+               # Only get the url. The resolution part in the tuple has no use anymore
+               video_url = video_url[-1]
+               # Treat escaped \u0026 style hex
+               video_url = unicode(video_url, "unicode_escape")
+
+
+               return [{
+                       'id':           video_id.decode('utf-8'),
+                       'url':          video_url,
+                       'uploader':     uploader.decode('utf-8'),
+                       'upload_date':  upload_date.decode('utf-8'),
+                       'title':        video_title.decode('utf-8'),
+                       'ext':          video_extension.decode('utf-8'),
+                       'format':       u'NA',
+                       'player_url':   None,
+               }]