commit c5e8d7af0ed867d70502491e3a80ee09b78ed2ce
parent d6983cb460c86cc0f0786173ae6e497afaa8e032
Author: Philipp Hagemeister <phihag@phihag.de>
Date: Sun, 23 Jun 2013 19:58:33 +0200
Move youtube extractors to youtube_dl.extractor.youtube
Diffstat:
2 files changed, 758 insertions(+), 734 deletions(-)
diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py
@@ -24,557 +24,9 @@ from .utils import *
from .extractor.common import InfoExtractor, SearchInfoExtractor
+from .extractor.youtube import YoutubeIE, YoutubePlaylistIE, YoutubeUserIE, YoutubeChannelIE
-class YoutubeIE(InfoExtractor):
- """Information extractor for youtube.com."""
-
- _VALID_URL = r"""^
- (
- (?:https?://)? # http(s):// (optional)
- (?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|
- tube\.majestyc\.net/) # the various hostnames, with wildcard subdomains
- (?:.*?\#/)? # handle anchor (#/) redirect 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'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
- _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
- _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
- _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
- _NETRC_MACHINE = 'youtube'
- # Listed in order of quality
- _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
- _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']
- _video_extensions = {
- '13': '3gp',
- '17': 'mp4',
- '18': 'mp4',
- '22': 'mp4',
- '37': 'mp4',
- '38': 'video', # You actually don't know if this will be MOV, AVI or whatever
- '43': 'webm',
- '44': 'webm',
- '45': 'webm',
- '46': 'webm',
- }
- _video_dimensions = {
- '5': '240x400',
- '6': '???',
- '13': '???',
- '17': '144x176',
- '18': '360x640',
- '22': '720x1280',
- '34': '360x640',
- '35': '480x854',
- '37': '1080x1920',
- '38': '3072x4096',
- '43': '360x640',
- '44': '480x854',
- '45': '720x1280',
- '46': '1080x1920',
- }
- IE_NAME = u'youtube'
-
- @classmethod
- def suitable(cls, url):
- """Receives a URL and returns True if suitable for this IE."""
- if YoutubePlaylistIE.suitable(url): return False
- return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
-
- def report_lang(self):
- """Report attempt to set language."""
- self.to_screen(u'Setting language')
-
- def report_login(self):
- """Report attempt to log in."""
- self.to_screen(u'Logging in')
-
- def report_video_webpage_download(self, video_id):
- """Report attempt to download video webpage."""
- self.to_screen(u'%s: Downloading video webpage' % video_id)
-
- def report_video_info_webpage_download(self, video_id):
- """Report attempt to download video info webpage."""
- self.to_screen(u'%s: Downloading video info webpage' % video_id)
-
- def report_video_subtitles_download(self, video_id):
- """Report attempt to download video info webpage."""
- self.to_screen(u'%s: Checking available subtitles' % video_id)
-
- def report_video_subtitles_request(self, video_id, sub_lang, format):
- """Report attempt to download video info webpage."""
- self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
-
- def report_video_subtitles_available(self, video_id, sub_lang_list):
- """Report available subtitles."""
- sub_lang = ",".join(list(sub_lang_list.keys()))
- self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang))
-
- def report_information_extraction(self, video_id):
- """Report attempt to extract video information."""
- self.to_screen(u'%s: Extracting video information' % video_id)
-
- def report_unavailable_format(self, video_id, format):
- """Report extracted video URL."""
- self.to_screen(u'%s: Format %s not available' % (video_id, format))
-
- def report_rtmp_download(self):
- """Indicate the download will use the RTMP protocol."""
- self.to_screen(u'RTMP download detected')
-
- @staticmethod
- def _decrypt_signature(s):
- """Decrypt the key the two subkeys must have a length of 43"""
- (a,b) = s.split('.')
- if len(a) != 43 or len(b) != 43:
- raise ExtractorError(u'Unable to decrypt signature, subkeys lengths not valid')
- b = ''.join([b[:8],a[0],b[9:18],b[-4],b[19:39], b[18]])[0:40]
- a = a[-40:]
- s_dec = '.'.join((a,b))[::-1]
- return s_dec
-
- def _get_available_subtitles(self, video_id):
- self.report_video_subtitles_download(video_id)
- request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
- try:
- sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- return (u'unable to download video subtitles: %s' % compat_str(err), None)
- sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
- sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list)
- if not sub_lang_list:
- return (u'video doesn\'t have subtitles', None)
- return sub_lang_list
-
- def _list_available_subtitles(self, video_id):
- sub_lang_list = self._get_available_subtitles(video_id)
- self.report_video_subtitles_available(video_id, sub_lang_list)
-
- def _request_subtitle(self, sub_lang, sub_name, video_id, format):
- """
- Return tuple:
- (error_message, sub_lang, sub)
- """
- self.report_video_subtitles_request(video_id, sub_lang, format)
- params = compat_urllib_parse.urlencode({
- 'lang': sub_lang,
- 'name': sub_name,
- 'v': video_id,
- 'fmt': format,
- })
- url = 'http://www.youtube.com/api/timedtext?' + params
- try:
- sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- return (u'unable to download video subtitles: %s' % compat_str(err), None, None)
- if not sub:
- return (u'Did not fetch video subtitles', None, None)
- return (None, sub_lang, sub)
-
- def _request_automatic_caption(self, video_id, webpage):
- """We need the webpage for getting the captions url, pass it as an
- argument to speed up the process."""
- sub_lang = self._downloader.params.get('subtitleslang') or 'en'
- sub_format = self._downloader.params.get('subtitlesformat')
- self.to_screen(u'%s: Looking for automatic captions' % video_id)
- mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
- err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang
- if mobj is None:
- return [(err_msg, None, None)]
- player_config = json.loads(mobj.group(1))
- try:
- args = player_config[u'args']
- caption_url = args[u'ttsurl']
- timestamp = args[u'timestamp']
- params = compat_urllib_parse.urlencode({
- 'lang': 'en',
- 'tlang': sub_lang,
- 'fmt': sub_format,
- 'ts': timestamp,
- 'kind': 'asr',
- })
- subtitles_url = caption_url + '&' + params
- sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions')
- return [(None, sub_lang, sub)]
- except KeyError:
- return [(err_msg, None, None)]
-
- def _extract_subtitle(self, video_id):
- """
- Return a list with a tuple:
- [(error_message, sub_lang, sub)]
- """
- sub_lang_list = self._get_available_subtitles(video_id)
- sub_format = self._downloader.params.get('subtitlesformat')
- if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
- return [(sub_lang_list[0], None, None)]
- if self._downloader.params.get('subtitleslang', False):
- sub_lang = self._downloader.params.get('subtitleslang')
- elif 'en' in sub_lang_list:
- sub_lang = 'en'
- else:
- sub_lang = list(sub_lang_list.keys())[0]
- if not sub_lang in sub_lang_list:
- return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)]
-
- subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
- return [subtitle]
-
- def _extract_all_subtitles(self, video_id):
- sub_lang_list = self._get_available_subtitles(video_id)
- sub_format = self._downloader.params.get('subtitlesformat')
- if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
- return [(sub_lang_list[0], None, None)]
- subtitles = []
- for sub_lang in sub_lang_list:
- subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
- subtitles.append(subtitle)
- return subtitles
-
- def _print_formats(self, formats):
- print('Available formats:')
- for x in formats:
- print('%s\t:\t%s\t[%s]' %(x, self._video_extensions.get(x, 'flv'), self._video_dimensions.get(x, '???')))
-
- def _real_initialize(self):
- if self._downloader is None:
- return
-
- username = None
- password = None
- downloader_params = self._downloader.params
-
- # Attempt to use provided username and password or .netrc data
- if downloader_params.get('username', None) is not None:
- username = downloader_params['username']
- password = downloader_params['password']
- elif downloader_params.get('usenetrc', False):
- try:
- info = netrc.netrc().authenticators(self._NETRC_MACHINE)
- if info is not None:
- username = info[0]
- password = info[2]
- else:
- raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
- except (IOError, netrc.NetrcParseError) as err:
- self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err))
- return
-
- # Set language
- request = compat_urllib_request.Request(self._LANG_URL)
- try:
- self.report_lang()
- compat_urllib_request.urlopen(request).read()
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
- return
-
- # No authentication to be performed
- if username is None:
- return
-
- request = compat_urllib_request.Request(self._LOGIN_URL)
- try:
- login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
- return
-
- galx = None
- dsh = None
- match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
- if match:
- galx = match.group(1)
-
- match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
- if match:
- dsh = match.group(1)
-
- # Log in
- login_form_strs = {
- u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
- u'Email': username,
- u'GALX': galx,
- u'Passwd': password,
- u'PersistentCookie': u'yes',
- u'_utf8': u'霱',
- u'bgresponse': u'js_disabled',
- u'checkConnection': u'',
- u'checkedDomains': u'youtube',
- u'dnConn': u'',
- u'dsh': dsh,
- u'pstMsg': u'0',
- u'rmShown': u'1',
- u'secTok': u'',
- u'signIn': u'Sign in',
- u'timeStmp': u'',
- u'service': u'youtube',
- u'uilel': u'3',
- u'hl': u'en_US',
- }
- # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
- # chokes on unicode
- login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
- login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
- request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
- try:
- self.report_login()
- login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
- if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
- self._downloader.report_warning(u'unable to log in: bad username or password')
- return
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
- return
-
- # Confirm age
- age_form = {
- 'next_url': '/',
- 'action_confirm': 'Confirm',
- }
- request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
- try:
- self.report_age_confirmation()
- age_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
-
- def _extract_id(self, url):
- mobj = re.match(self._VALID_URL, url, re.VERBOSE)
- if mobj is None:
- raise ExtractorError(u'Invalid URL: %s' % url)
- video_id = mobj.group(2)
- return video_id
-
- def _real_extract(self, url):
- # Extract original video URL from URL with redirection, like age verification, using next_url parameter
- mobj = re.search(self._NEXT_URL_RE, url)
- if mobj:
- url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
- video_id = self._extract_id(url)
-
- # Get video webpage
- self.report_video_webpage_download(video_id)
- url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
- request = compat_urllib_request.Request(url)
- try:
- video_webpage_bytes = 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 video webpage: %s' % compat_str(err))
-
- video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
-
- # Attempt to extract SWF player URL
- mobj = re.search(r'swfConfig.*?"(http:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
- if mobj is not None:
- player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
- else:
- player_url = None
-
- # Get video info
- self.report_video_info_webpage_download(video_id)
- for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
- video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
- % (video_id, el_type))
- video_info_webpage = self._download_webpage(video_info_url, video_id,
- note=False,
- errnote='unable to download video info webpage')
- video_info = compat_parse_qs(video_info_webpage)
- if 'token' in video_info:
- break
- if 'token' not in video_info:
- if 'reason' in video_info:
- raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0])
- else:
- raise ExtractorError(u'"token" parameter not in video info for unknown reason')
-
- # Check for "rental" videos
- if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
- raise ExtractorError(u'"rental" videos not supported')
-
- # Start extracting information
- self.report_information_extraction(video_id)
-
- # uploader
- if 'author' not in video_info:
- raise ExtractorError(u'Unable to extract uploader name')
- video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
-
- # uploader_id
- video_uploader_id = None
- mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
- if mobj is not None:
- video_uploader_id = mobj.group(1)
- else:
- self._downloader.report_warning(u'unable to extract uploader nickname')
-
- # title
- if 'title' not in video_info:
- raise ExtractorError(u'Unable to extract video title')
- video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
-
- # thumbnail image
- if 'thumbnail_url' not in video_info:
- self._downloader.report_warning(u'unable to extract video thumbnail')
- video_thumbnail = ''
- else: # don't panic if we can't find it
- video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
-
- # upload date
- upload_date = None
- mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
- if mobj is not None:
- upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
- upload_date = unified_strdate(upload_date)
-
- # description
- video_description = get_element_by_id("eow-description", video_webpage)
- if video_description:
- video_description = clean_html(video_description)
- else:
- fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
- if fd_mobj:
- video_description = unescapeHTML(fd_mobj.group(1))
- else:
- video_description = u''
-
- # subtitles
- video_subtitles = None
-
- if self._downloader.params.get('writesubtitles', False):
- video_subtitles = self._extract_subtitle(video_id)
- if video_subtitles:
- (sub_error, sub_lang, sub) = video_subtitles[0]
- if sub_error:
- # We try with the automatic captions
- video_subtitles = self._request_automatic_caption(video_id, video_webpage)
- (sub_error_auto, sub_lang, sub) = video_subtitles[0]
- if sub is not None:
- pass
- else:
- # We report the original error
- self._downloader.report_warning(sub_error)
-
- if self._downloader.params.get('allsubtitles', False):
- video_subtitles = self._extract_all_subtitles(video_id)
- for video_subtitle in video_subtitles:
- (sub_error, sub_lang, sub) = video_subtitle
- if sub_error:
- self._downloader.report_warning(sub_error)
-
- if self._downloader.params.get('listsubtitles', False):
- sub_lang_list = self._list_available_subtitles(video_id)
- return
-
- if 'length_seconds' not in video_info:
- self._downloader.report_warning(u'unable to extract video duration')
- video_duration = ''
- else:
- video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
-
- # token
- video_token = compat_urllib_parse.unquote_plus(video_info['token'][0])
-
- # Decide which formats to download
- req_format = self._downloader.params.get('format', None)
-
- try:
- mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
- info = json.loads(mobj.group(1))
- args = info['args']
- if args.get('ptk','') == 'vevo' or 'dashmpd':
- # Vevo videos with encrypted signatures
- self.to_screen(u'%s: Vevo video detected.' % video_id)
- video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
- except ValueError:
- pass
-
- if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
- 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_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]
- if 'sig' in url_data:
- url += '&signature=' + url_data['sig'][0]
- elif 's' in url_data:
- signature = self._decrypt_signature(url_data['s'][0])
- url += '&signature=' + signature
- if 'ratebypass' not 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
- if format_limit is not None and format_limit in available_formats:
- format_list = available_formats[available_formats.index(format_limit):]
- else:
- format_list = available_formats
- existing_formats = [x for x in format_list if x in url_map]
- if len(existing_formats) == 0:
- raise ExtractorError(u'no known formats available for video')
- if self._downloader.params.get('listformats', None):
- self._print_formats(existing_formats)
- return
- if req_format is None or req_format == 'best':
- video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
- elif req_format == 'worst':
- video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
- elif req_format in ('-1', 'all'):
- video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
- else:
- # Specific formats. We pick the first in a slash-delimeted sequence.
- # For example, if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
- req_formats = req_format.split('/')
- video_url_list = None
- for rf in req_formats:
- if rf in url_map:
- video_url_list = [(rf, url_map[rf])]
- break
- if video_url_list is None:
- raise ExtractorError(u'requested format not available')
- else:
- raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info')
-
- results = []
- for format_param, video_real_url in video_url_list:
- # Extension
- video_extension = self._video_extensions.get(format_param, 'flv')
-
- video_format = '{0} - {1}'.format(format_param if format_param else video_extension,
- self._video_dimensions.get(format_param, '???'))
-
- results.append({
- 'id': video_id,
- 'url': video_real_url,
- 'uploader': video_uploader,
- 'uploader_id': video_uploader_id,
- 'upload_date': upload_date,
- 'title': video_title,
- 'ext': video_extension,
- 'format': video_format,
- 'thumbnail': video_thumbnail,
- 'description': video_description,
- 'player_url': player_url,
- 'subtitles': video_subtitles,
- 'duration': video_duration
- })
- return results
-
class MetacafeIE(InfoExtractor):
"""Information Extractor for metacafe.com."""
@@ -1365,191 +817,6 @@ class YahooSearchIE(SearchInfoExtractor):
return res
-class YoutubePlaylistIE(InfoExtractor):
- """Information Extractor for YouTube playlists."""
-
- _VALID_URL = r"""(?:
- (?:https?://)?
- (?:\w+\.)?
- youtube\.com/
- (?:
- (?:course|view_play_list|my_playlists|artist|playlist|watch)
- \? (?:.*?&)*? (?:p|a|list)=
- | p/
- )
- ((?:PL|EC|UU)?[0-9A-Za-z-_]{10,})
- .*
- |
- ((?:PL|EC|UU)[0-9A-Za-z-_]{10,})
- )"""
- _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
- _MAX_RESULTS = 50
- IE_NAME = u'youtube:playlist'
-
- @classmethod
- def suitable(cls, url):
- """Receives a URL and returns True if suitable for this IE."""
- return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
-
- def _real_extract(self, url):
- # Extract playlist id
- mobj = re.match(self._VALID_URL, url, re.VERBOSE)
- if mobj is None:
- raise ExtractorError(u'Invalid URL: %s' % url)
-
- # Download playlist videos from API
- playlist_id = mobj.group(1) or mobj.group(2)
- page_num = 1
- videos = []
-
- while True:
- url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, self._MAX_RESULTS * (page_num - 1) + 1)
- page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
-
- try:
- response = json.loads(page)
- except ValueError as err:
- raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
-
- if 'feed' not in response:
- raise ExtractorError(u'Got a malformed response from YouTube API')
- playlist_title = response['feed']['title']['$t']
- if 'entry' not in response['feed']:
- # Number of videos is a multiple of self._MAX_RESULTS
- break
-
- for entry in response['feed']['entry']:
- index = entry['yt$position']['$t']
- if 'media$group' in entry and 'media$player' in entry['media$group']:
- videos.append((index, entry['media$group']['media$player']['url']))
-
- if len(response['feed']['entry']) < self._MAX_RESULTS:
- break
- page_num += 1
-
- videos = [v[1] for v in sorted(videos)]
-
- url_results = [self.url_result(url, 'Youtube') for url in videos]
- return [self.playlist_result(url_results, playlist_id, playlist_title)]
-
-
-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 = 'yt-uix-load-more'
- _MORE_PAGES_URL = 'http://www.youtube.com/channel_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
- IE_NAME = u'youtube:channel'
-
- def extract_videos_from_page(self, page):
- 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))
- return ids_in_page
-
- def _real_extract(self, url):
- # Extract channel id
- mobj = re.match(self._VALID_URL, url)
- if mobj is None:
- raise ExtractorError(u'Invalid URL: %s' % url)
-
- # Download channel page
- channel_id = mobj.group(1)
- video_ids = []
- pagenum = 1
-
- url = self._TEMPLATE_URL % (channel_id, pagenum)
- page = self._download_webpage(url, channel_id,
- u'Downloading page #%s' % pagenum)
-
- # Extract video identifiers
- ids_in_page = self.extract_videos_from_page(page)
- video_ids.extend(ids_in_page)
-
- # Download any subsequent channel pages using the json-based channel_ajax query
- if self._MORE_PAGES_INDICATOR in page:
- while True:
- pagenum = pagenum + 1
-
- url = self._MORE_PAGES_URL % (pagenum, channel_id)
- page = self._download_webpage(url, channel_id,
- u'Downloading page #%s' % pagenum)
-
- page = json.loads(page)
-
- ids_in_page = self.extract_videos_from_page(page['content_html'])
- video_ids.extend(ids_in_page)
-
- if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
- break
-
- self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
-
- urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
- url_entries = [self.url_result(url, 'Youtube') for url in urls]
- return [self.playlist_result(url_entries, channel_id)]
-
-
-class YoutubeUserIE(InfoExtractor):
- """Information Extractor for YouTube users."""
-
- _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/user/)|ytuser:)([A-Za-z0-9_-]+)'
- _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
- _GDATA_PAGE_SIZE = 50
- _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d'
- _VIDEO_INDICATOR = r'/watch\?v=(.+?)[\<&]'
- IE_NAME = u'youtube:user'
-
- def _real_extract(self, url):
- # Extract username
- mobj = re.match(self._VALID_URL, url)
- if mobj is None:
- raise ExtractorError(u'Invalid URL: %s' % url)
-
- username = mobj.group(1)
-
- # Download video ids using YouTube Data API. Result size per
- # query is limited (currently to 50 videos) so we need to query
- # page by page until there are no video ids - it means we got
- # all of them.
-
- video_ids = []
- pagenum = 0
-
- while True:
- start_index = pagenum * self._GDATA_PAGE_SIZE + 1
-
- gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
- page = self._download_webpage(gdata_url, username,
- u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
-
- # Extract video identifiers
- ids_in_page = []
-
- for mobj in re.finditer(self._VIDEO_INDICATOR, page):
- if mobj.group(1) not in ids_in_page:
- ids_in_page.append(mobj.group(1))
-
- video_ids.extend(ids_in_page)
-
- # A little optimization - if current page is not
- # "full", ie. does not contain PAGE_SIZE video ids then
- # we can assume that this page is the last one - there
- # are no more ids on further pages - no need to query
- # again.
-
- if len(ids_in_page) < self._GDATA_PAGE_SIZE:
- break
-
- pagenum += 1
-
- urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
- url_results = [self.url_result(url, 'Youtube') for url in urls]
- return [self.playlist_result(url_results, playlist_title = username)]
-
-
class BlipTVUserIE(InfoExtractor):
"""Information Extractor for blip.tv users."""
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
@@ -0,0 +1,757 @@
+# coding: utf-8
+from __future__ import absolute_import
+
+import json
+import netrc
+import re
+import socket
+
+from .common import InfoExtractor
+from ..utils import (
+ compat_http_client,
+ compat_parse_qs,
+ compat_urllib_error,
+ compat_urllib_parse,
+ compat_urllib_request,
+ compat_str,
+
+ clean_html,
+ get_element_by_id,
+ ExtractorError,
+ unescapeHTML,
+ unified_strdate,
+)
+
+
+class YoutubeIE(InfoExtractor):
+ """Information extractor for youtube.com."""
+
+ _VALID_URL = r"""^
+ (
+ (?:https?://)? # http(s):// (optional)
+ (?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|
+ tube\.majestyc\.net/) # the various hostnames, with wildcard subdomains
+ (?:.*?\#/)? # handle anchor (#/) redirect 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'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
+ _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
+ _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
+ _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
+ _NETRC_MACHINE = 'youtube'
+ # Listed in order of quality
+ _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
+ _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']
+ _video_extensions = {
+ '13': '3gp',
+ '17': 'mp4',
+ '18': 'mp4',
+ '22': 'mp4',
+ '37': 'mp4',
+ '38': 'video', # You actually don't know if this will be MOV, AVI or whatever
+ '43': 'webm',
+ '44': 'webm',
+ '45': 'webm',
+ '46': 'webm',
+ }
+ _video_dimensions = {
+ '5': '240x400',
+ '6': '???',
+ '13': '???',
+ '17': '144x176',
+ '18': '360x640',
+ '22': '720x1280',
+ '34': '360x640',
+ '35': '480x854',
+ '37': '1080x1920',
+ '38': '3072x4096',
+ '43': '360x640',
+ '44': '480x854',
+ '45': '720x1280',
+ '46': '1080x1920',
+ }
+ IE_NAME = u'youtube'
+
+ @classmethod
+ def suitable(cls, url):
+ """Receives a URL and returns True if suitable for this IE."""
+ if YoutubePlaylistIE.suitable(url): return False
+ return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+
+ def report_lang(self):
+ """Report attempt to set language."""
+ self.to_screen(u'Setting language')
+
+ def report_login(self):
+ """Report attempt to log in."""
+ self.to_screen(u'Logging in')
+
+ def report_video_webpage_download(self, video_id):
+ """Report attempt to download video webpage."""
+ self.to_screen(u'%s: Downloading video webpage' % video_id)
+
+ def report_video_info_webpage_download(self, video_id):
+ """Report attempt to download video info webpage."""
+ self.to_screen(u'%s: Downloading video info webpage' % video_id)
+
+ def report_video_subtitles_download(self, video_id):
+ """Report attempt to download video info webpage."""
+ self.to_screen(u'%s: Checking available subtitles' % video_id)
+
+ def report_video_subtitles_request(self, video_id, sub_lang, format):
+ """Report attempt to download video info webpage."""
+ self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
+
+ def report_video_subtitles_available(self, video_id, sub_lang_list):
+ """Report available subtitles."""
+ sub_lang = ",".join(list(sub_lang_list.keys()))
+ self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang))
+
+ def report_information_extraction(self, video_id):
+ """Report attempt to extract video information."""
+ self.to_screen(u'%s: Extracting video information' % video_id)
+
+ def report_unavailable_format(self, video_id, format):
+ """Report extracted video URL."""
+ self.to_screen(u'%s: Format %s not available' % (video_id, format))
+
+ def report_rtmp_download(self):
+ """Indicate the download will use the RTMP protocol."""
+ self.to_screen(u'RTMP download detected')
+
+ @staticmethod
+ def _decrypt_signature(s):
+ """Decrypt the key the two subkeys must have a length of 43"""
+ (a,b) = s.split('.')
+ if len(a) != 43 or len(b) != 43:
+ raise ExtractorError(u'Unable to decrypt signature, subkeys lengths not valid')
+ b = ''.join([b[:8],a[0],b[9:18],b[-4],b[19:39], b[18]])[0:40]
+ a = a[-40:]
+ s_dec = '.'.join((a,b))[::-1]
+ return s_dec
+
+ def _get_available_subtitles(self, video_id):
+ self.report_video_subtitles_download(video_id)
+ request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
+ try:
+ sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
+ except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+ return (u'unable to download video subtitles: %s' % compat_str(err), None)
+ sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
+ sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list)
+ if not sub_lang_list:
+ return (u'video doesn\'t have subtitles', None)
+ return sub_lang_list
+
+ def _list_available_subtitles(self, video_id):
+ sub_lang_list = self._get_available_subtitles(video_id)
+ self.report_video_subtitles_available(video_id, sub_lang_list)
+
+ def _request_subtitle(self, sub_lang, sub_name, video_id, format):
+ """
+ Return tuple:
+ (error_message, sub_lang, sub)
+ """
+ self.report_video_subtitles_request(video_id, sub_lang, format)
+ params = compat_urllib_parse.urlencode({
+ 'lang': sub_lang,
+ 'name': sub_name,
+ 'v': video_id,
+ 'fmt': format,
+ })
+ url = 'http://www.youtube.com/api/timedtext?' + params
+ try:
+ sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
+ except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+ return (u'unable to download video subtitles: %s' % compat_str(err), None, None)
+ if not sub:
+ return (u'Did not fetch video subtitles', None, None)
+ return (None, sub_lang, sub)
+
+ def _request_automatic_caption(self, video_id, webpage):
+ """We need the webpage for getting the captions url, pass it as an
+ argument to speed up the process."""
+ sub_lang = self._downloader.params.get('subtitleslang') or 'en'
+ sub_format = self._downloader.params.get('subtitlesformat')
+ self.to_screen(u'%s: Looking for automatic captions' % video_id)
+ mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
+ err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang
+ if mobj is None:
+ return [(err_msg, None, None)]
+ player_config = json.loads(mobj.group(1))
+ try:
+ args = player_config[u'args']
+ caption_url = args[u'ttsurl']
+ timestamp = args[u'timestamp']
+ params = compat_urllib_parse.urlencode({
+ 'lang': 'en',
+ 'tlang': sub_lang,
+ 'fmt': sub_format,
+ 'ts': timestamp,
+ 'kind': 'asr',
+ })
+ subtitles_url = caption_url + '&' + params
+ sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions')
+ return [(None, sub_lang, sub)]
+ except KeyError:
+ return [(err_msg, None, None)]
+
+ def _extract_subtitle(self, video_id):
+ """
+ Return a list with a tuple:
+ [(error_message, sub_lang, sub)]
+ """
+ sub_lang_list = self._get_available_subtitles(video_id)
+ sub_format = self._downloader.params.get('subtitlesformat')
+ if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
+ return [(sub_lang_list[0], None, None)]
+ if self._downloader.params.get('subtitleslang', False):
+ sub_lang = self._downloader.params.get('subtitleslang')
+ elif 'en' in sub_lang_list:
+ sub_lang = 'en'
+ else:
+ sub_lang = list(sub_lang_list.keys())[0]
+ if not sub_lang in sub_lang_list:
+ return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)]
+
+ subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
+ return [subtitle]
+
+ def _extract_all_subtitles(self, video_id):
+ sub_lang_list = self._get_available_subtitles(video_id)
+ sub_format = self._downloader.params.get('subtitlesformat')
+ if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
+ return [(sub_lang_list[0], None, None)]
+ subtitles = []
+ for sub_lang in sub_lang_list:
+ subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
+ subtitles.append(subtitle)
+ return subtitles
+
+ def _print_formats(self, formats):
+ print('Available formats:')
+ for x in formats:
+ print('%s\t:\t%s\t[%s]' %(x, self._video_extensions.get(x, 'flv'), self._video_dimensions.get(x, '???')))
+
+ def _real_initialize(self):
+ if self._downloader is None:
+ return
+
+ username = None
+ password = None
+ downloader_params = self._downloader.params
+
+ # Attempt to use provided username and password or .netrc data
+ if downloader_params.get('username', None) is not None:
+ username = downloader_params['username']
+ password = downloader_params['password']
+ elif downloader_params.get('usenetrc', False):
+ try:
+ info = netrc.netrc().authenticators(self._NETRC_MACHINE)
+ if info is not None:
+ username = info[0]
+ password = info[2]
+ else:
+ raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
+ except (IOError, netrc.NetrcParseError) as err:
+ self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err))
+ return
+
+ # Set language
+ request = compat_urllib_request.Request(self._LANG_URL)
+ try:
+ self.report_lang()
+ compat_urllib_request.urlopen(request).read()
+ except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+ self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
+ return
+
+ # No authentication to be performed
+ if username is None:
+ return
+
+ request = compat_urllib_request.Request(self._LOGIN_URL)
+ try:
+ login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
+ except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+ self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
+ return
+
+ galx = None
+ dsh = None
+ match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
+ if match:
+ galx = match.group(1)
+
+ match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
+ if match:
+ dsh = match.group(1)
+
+ # Log in
+ login_form_strs = {
+ u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
+ u'Email': username,
+ u'GALX': galx,
+ u'Passwd': password,
+ u'PersistentCookie': u'yes',
+ u'_utf8': u'霱',
+ u'bgresponse': u'js_disabled',
+ u'checkConnection': u'',
+ u'checkedDomains': u'youtube',
+ u'dnConn': u'',
+ u'dsh': dsh,
+ u'pstMsg': u'0',
+ u'rmShown': u'1',
+ u'secTok': u'',
+ u'signIn': u'Sign in',
+ u'timeStmp': u'',
+ u'service': u'youtube',
+ u'uilel': u'3',
+ u'hl': u'en_US',
+ }
+ # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
+ # chokes on unicode
+ login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
+ login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
+ request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
+ try:
+ self.report_login()
+ login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
+ if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
+ self._downloader.report_warning(u'unable to log in: bad username or password')
+ return
+ except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+ self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
+ return
+
+ # Confirm age
+ age_form = {
+ 'next_url': '/',
+ 'action_confirm': 'Confirm',
+ }
+ request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
+ try:
+ self.report_age_confirmation()
+ age_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
+ except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+ raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
+
+ def _extract_id(self, url):
+ mobj = re.match(self._VALID_URL, url, re.VERBOSE)
+ if mobj is None:
+ raise ExtractorError(u'Invalid URL: %s' % url)
+ video_id = mobj.group(2)
+ return video_id
+
+ def _real_extract(self, url):
+ # Extract original video URL from URL with redirection, like age verification, using next_url parameter
+ mobj = re.search(self._NEXT_URL_RE, url)
+ if mobj:
+ url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
+ video_id = self._extract_id(url)
+
+ # Get video webpage
+ self.report_video_webpage_download(video_id)
+ url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
+ request = compat_urllib_request.Request(url)
+ try:
+ video_webpage_bytes = 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 video webpage: %s' % compat_str(err))
+
+ video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
+
+ # Attempt to extract SWF player URL
+ mobj = re.search(r'swfConfig.*?"(http:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
+ if mobj is not None:
+ player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
+ else:
+ player_url = None
+
+ # Get video info
+ self.report_video_info_webpage_download(video_id)
+ for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
+ video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
+ % (video_id, el_type))
+ video_info_webpage = self._download_webpage(video_info_url, video_id,
+ note=False,
+ errnote='unable to download video info webpage')
+ video_info = compat_parse_qs(video_info_webpage)
+ if 'token' in video_info:
+ break
+ if 'token' not in video_info:
+ if 'reason' in video_info:
+ raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0])
+ else:
+ raise ExtractorError(u'"token" parameter not in video info for unknown reason')
+
+ # Check for "rental" videos
+ if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
+ raise ExtractorError(u'"rental" videos not supported')
+
+ # Start extracting information
+ self.report_information_extraction(video_id)
+
+ # uploader
+ if 'author' not in video_info:
+ raise ExtractorError(u'Unable to extract uploader name')
+ video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
+
+ # uploader_id
+ video_uploader_id = None
+ mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
+ if mobj is not None:
+ video_uploader_id = mobj.group(1)
+ else:
+ self._downloader.report_warning(u'unable to extract uploader nickname')
+
+ # title
+ if 'title' not in video_info:
+ raise ExtractorError(u'Unable to extract video title')
+ video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
+
+ # thumbnail image
+ if 'thumbnail_url' not in video_info:
+ self._downloader.report_warning(u'unable to extract video thumbnail')
+ video_thumbnail = ''
+ else: # don't panic if we can't find it
+ video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
+
+ # upload date
+ upload_date = None
+ mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
+ if mobj is not None:
+ upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
+ upload_date = unified_strdate(upload_date)
+
+ # description
+ video_description = get_element_by_id("eow-description", video_webpage)
+ if video_description:
+ video_description = clean_html(video_description)
+ else:
+ fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
+ if fd_mobj:
+ video_description = unescapeHTML(fd_mobj.group(1))
+ else:
+ video_description = u''
+
+ # subtitles
+ video_subtitles = None
+
+ if self._downloader.params.get('writesubtitles', False):
+ video_subtitles = self._extract_subtitle(video_id)
+ if video_subtitles:
+ (sub_error, sub_lang, sub) = video_subtitles[0]
+ if sub_error:
+ # We try with the automatic captions
+ video_subtitles = self._request_automatic_caption(video_id, video_webpage)
+ (sub_error_auto, sub_lang, sub) = video_subtitles[0]
+ if sub is not None:
+ pass
+ else:
+ # We report the original error
+ self._downloader.report_warning(sub_error)
+
+ if self._downloader.params.get('allsubtitles', False):
+ video_subtitles = self._extract_all_subtitles(video_id)
+ for video_subtitle in video_subtitles:
+ (sub_error, sub_lang, sub) = video_subtitle
+ if sub_error:
+ self._downloader.report_warning(sub_error)
+
+ if self._downloader.params.get('listsubtitles', False):
+ sub_lang_list = self._list_available_subtitles(video_id)
+ return
+
+ if 'length_seconds' not in video_info:
+ self._downloader.report_warning(u'unable to extract video duration')
+ video_duration = ''
+ else:
+ video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
+
+ # token
+ video_token = compat_urllib_parse.unquote_plus(video_info['token'][0])
+
+ # Decide which formats to download
+ req_format = self._downloader.params.get('format', None)
+
+ try:
+ mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
+ info = json.loads(mobj.group(1))
+ args = info['args']
+ if args.get('ptk','') == 'vevo' or 'dashmpd':
+ # Vevo videos with encrypted signatures
+ self.to_screen(u'%s: Vevo video detected.' % video_id)
+ video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
+ except ValueError:
+ pass
+
+ if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
+ 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_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]
+ if 'sig' in url_data:
+ url += '&signature=' + url_data['sig'][0]
+ elif 's' in url_data:
+ signature = self._decrypt_signature(url_data['s'][0])
+ url += '&signature=' + signature
+ if 'ratebypass' not 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
+ if format_limit is not None and format_limit in available_formats:
+ format_list = available_formats[available_formats.index(format_limit):]
+ else:
+ format_list = available_formats
+ existing_formats = [x for x in format_list if x in url_map]
+ if len(existing_formats) == 0:
+ raise ExtractorError(u'no known formats available for video')
+ if self._downloader.params.get('listformats', None):
+ self._print_formats(existing_formats)
+ return
+ if req_format is None or req_format == 'best':
+ video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
+ elif req_format == 'worst':
+ video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
+ elif req_format in ('-1', 'all'):
+ video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
+ else:
+ # Specific formats. We pick the first in a slash-delimeted sequence.
+ # For example, if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
+ req_formats = req_format.split('/')
+ video_url_list = None
+ for rf in req_formats:
+ if rf in url_map:
+ video_url_list = [(rf, url_map[rf])]
+ break
+ if video_url_list is None:
+ raise ExtractorError(u'requested format not available')
+ else:
+ raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info')
+
+ results = []
+ for format_param, video_real_url in video_url_list:
+ # Extension
+ video_extension = self._video_extensions.get(format_param, 'flv')
+
+ video_format = '{0} - {1}'.format(format_param if format_param else video_extension,
+ self._video_dimensions.get(format_param, '???'))
+
+ results.append({
+ 'id': video_id,
+ 'url': video_real_url,
+ 'uploader': video_uploader,
+ 'uploader_id': video_uploader_id,
+ 'upload_date': upload_date,
+ 'title': video_title,
+ 'ext': video_extension,
+ 'format': video_format,
+ 'thumbnail': video_thumbnail,
+ 'description': video_description,
+ 'player_url': player_url,
+ 'subtitles': video_subtitles,
+ 'duration': video_duration
+ })
+ return results
+
+class YoutubePlaylistIE(InfoExtractor):
+ """Information Extractor for YouTube playlists."""
+
+ _VALID_URL = r"""(?:
+ (?:https?://)?
+ (?:\w+\.)?
+ youtube\.com/
+ (?:
+ (?:course|view_play_list|my_playlists|artist|playlist|watch)
+ \? (?:.*?&)*? (?:p|a|list)=
+ | p/
+ )
+ ((?:PL|EC|UU)?[0-9A-Za-z-_]{10,})
+ .*
+ |
+ ((?:PL|EC|UU)[0-9A-Za-z-_]{10,})
+ )"""
+ _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
+ _MAX_RESULTS = 50
+ IE_NAME = u'youtube:playlist'
+
+ @classmethod
+ def suitable(cls, url):
+ """Receives a URL and returns True if suitable for this IE."""
+ return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+
+ def _real_extract(self, url):
+ # Extract playlist id
+ mobj = re.match(self._VALID_URL, url, re.VERBOSE)
+ if mobj is None:
+ raise ExtractorError(u'Invalid URL: %s' % url)
+
+ # Download playlist videos from API
+ playlist_id = mobj.group(1) or mobj.group(2)
+ page_num = 1
+ videos = []
+
+ while True:
+ url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, self._MAX_RESULTS * (page_num - 1) + 1)
+ page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
+
+ try:
+ response = json.loads(page)
+ except ValueError as err:
+ raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
+
+ if 'feed' not in response:
+ raise ExtractorError(u'Got a malformed response from YouTube API')
+ playlist_title = response['feed']['title']['$t']
+ if 'entry' not in response['feed']:
+ # Number of videos is a multiple of self._MAX_RESULTS
+ break
+
+ for entry in response['feed']['entry']:
+ index = entry['yt$position']['$t']
+ if 'media$group' in entry and 'media$player' in entry['media$group']:
+ videos.append((index, entry['media$group']['media$player']['url']))
+
+ if len(response['feed']['entry']) < self._MAX_RESULTS:
+ break
+ page_num += 1
+
+ videos = [v[1] for v in sorted(videos)]
+
+ url_results = [self.url_result(url, 'Youtube') for url in videos]
+ return [self.playlist_result(url_results, playlist_id, playlist_title)]
+
+
+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 = 'yt-uix-load-more'
+ _MORE_PAGES_URL = 'http://www.youtube.com/channel_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
+ IE_NAME = u'youtube:channel'
+
+ def extract_videos_from_page(self, page):
+ 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))
+ return ids_in_page
+
+ def _real_extract(self, url):
+ # Extract channel id
+ mobj = re.match(self._VALID_URL, url)
+ if mobj is None:
+ raise ExtractorError(u'Invalid URL: %s' % url)
+
+ # Download channel page
+ channel_id = mobj.group(1)
+ video_ids = []
+ pagenum = 1
+
+ url = self._TEMPLATE_URL % (channel_id, pagenum)
+ page = self._download_webpage(url, channel_id,
+ u'Downloading page #%s' % pagenum)
+
+ # Extract video identifiers
+ ids_in_page = self.extract_videos_from_page(page)
+ video_ids.extend(ids_in_page)
+
+ # Download any subsequent channel pages using the json-based channel_ajax query
+ if self._MORE_PAGES_INDICATOR in page:
+ while True:
+ pagenum = pagenum + 1
+
+ url = self._MORE_PAGES_URL % (pagenum, channel_id)
+ page = self._download_webpage(url, channel_id,
+ u'Downloading page #%s' % pagenum)
+
+ page = json.loads(page)
+
+ ids_in_page = self.extract_videos_from_page(page['content_html'])
+ video_ids.extend(ids_in_page)
+
+ if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
+ break
+
+ self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
+
+ urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
+ url_entries = [self.url_result(url, 'Youtube') for url in urls]
+ return [self.playlist_result(url_entries, channel_id)]
+
+
+class YoutubeUserIE(InfoExtractor):
+ """Information Extractor for YouTube users."""
+
+ _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/user/)|ytuser:)([A-Za-z0-9_-]+)'
+ _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
+ _GDATA_PAGE_SIZE = 50
+ _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d'
+ _VIDEO_INDICATOR = r'/watch\?v=(.+?)[\<&]'
+ IE_NAME = u'youtube:user'
+
+ def _real_extract(self, url):
+ # Extract username
+ mobj = re.match(self._VALID_URL, url)
+ if mobj is None:
+ raise ExtractorError(u'Invalid URL: %s' % url)
+
+ username = mobj.group(1)
+
+ # Download video ids using YouTube Data API. Result size per
+ # query is limited (currently to 50 videos) so we need to query
+ # page by page until there are no video ids - it means we got
+ # all of them.
+
+ video_ids = []
+ pagenum = 0
+
+ while True:
+ start_index = pagenum * self._GDATA_PAGE_SIZE + 1
+
+ gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
+ page = self._download_webpage(gdata_url, username,
+ u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
+
+ # Extract video identifiers
+ ids_in_page = []
+
+ for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+ if mobj.group(1) not in ids_in_page:
+ ids_in_page.append(mobj.group(1))
+
+ video_ids.extend(ids_in_page)
+
+ # A little optimization - if current page is not
+ # "full", ie. does not contain PAGE_SIZE video ids then
+ # we can assume that this page is the last one - there
+ # are no more ids on further pages - no need to query
+ # again.
+
+ if len(ids_in_page) < self._GDATA_PAGE_SIZE:
+ break
+
+ pagenum += 1
+
+ urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
+ url_results = [self.url_result(url, 'Youtube') for url in urls]
+ return [self.playlist_result(url_results, playlist_title = username)]
