mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 00:17:52 +08:00
Move youtube extractors to youtube_dl.extractor.youtube
This commit is contained in:
Philipp Hagemeister
parent
d6983cb460
commit
c5e8d7af0e
@ -24,557 +24,9 @@ from .utils import *
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from .extractor.common import InfoExtractor, SearchInfoExtractor
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from .extractor.youtube import YoutubeIE, YoutubePlaylistIE, YoutubeUserIE, YoutubeChannelIE
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class YoutubeIE(InfoExtractor):
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"""Information extractor for youtube.com."""
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_VALID_URL = r"""^
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(
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(?:https?://)? # http(s):// (optional)
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(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|
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tube\.majestyc\.net/) # the various hostnames, with wildcard subdomains
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(?:.*?\#/)? # handle anchor (#/) redirect urls
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(?: # the various things that can precede the ID:
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(?:(?:v|embed|e)/) # v/ or embed/ or e/
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|(?: # or the v= param in all its forms
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(?:watch(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
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(?:\?|\#!?) # the params delimiter ? or # or #!
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(?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
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v=
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)
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)? # optional -> youtube.com/xxxx is OK
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)? # all until now is optional -> you can pass the naked ID
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([0-9A-Za-z_-]+) # here is it! the YouTube video ID
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(?(1).+)? # if we found the ID, everything can follow
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$"""
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_LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
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_LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
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_AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
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_NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
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_NETRC_MACHINE = 'youtube'
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# Listed in order of quality
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_available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
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_available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']
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_video_extensions = {
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'13': '3gp',
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'17': 'mp4',
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'18': 'mp4',
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'22': 'mp4',
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'37': 'mp4',
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'38': 'video', # You actually don't know if this will be MOV, AVI or whatever
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'43': 'webm',
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'44': 'webm',
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'45': 'webm',
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'46': 'webm',
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}
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_video_dimensions = {
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'5': '240x400',
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'6': '???',
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'13': '???',
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'17': '144x176',
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'18': '360x640',
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'22': '720x1280',
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'34': '360x640',
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'35': '480x854',
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'37': '1080x1920',
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'38': '3072x4096',
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'43': '360x640',
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'44': '480x854',
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'45': '720x1280',
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'46': '1080x1920',
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}
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IE_NAME = u'youtube'
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@classmethod
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def suitable(cls, url):
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"""Receives a URL and returns True if suitable for this IE."""
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if YoutubePlaylistIE.suitable(url): return False
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return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
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def report_lang(self):
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"""Report attempt to set language."""
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self.to_screen(u'Setting language')
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def report_login(self):
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"""Report attempt to log in."""
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self.to_screen(u'Logging in')
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def report_video_webpage_download(self, video_id):
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"""Report attempt to download video webpage."""
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self.to_screen(u'%s: Downloading video webpage' % video_id)
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def report_video_info_webpage_download(self, video_id):
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"""Report attempt to download video info webpage."""
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self.to_screen(u'%s: Downloading video info webpage' % video_id)
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def report_video_subtitles_download(self, video_id):
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"""Report attempt to download video info webpage."""
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self.to_screen(u'%s: Checking available subtitles' % video_id)
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def report_video_subtitles_request(self, video_id, sub_lang, format):
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"""Report attempt to download video info webpage."""
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self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
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def report_video_subtitles_available(self, video_id, sub_lang_list):
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"""Report available subtitles."""
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sub_lang = ",".join(list(sub_lang_list.keys()))
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self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang))
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def report_information_extraction(self, video_id):
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"""Report attempt to extract video information."""
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self.to_screen(u'%s: Extracting video information' % video_id)
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def report_unavailable_format(self, video_id, format):
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"""Report extracted video URL."""
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self.to_screen(u'%s: Format %s not available' % (video_id, format))
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def report_rtmp_download(self):
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"""Indicate the download will use the RTMP protocol."""
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self.to_screen(u'RTMP download detected')
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@staticmethod
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def _decrypt_signature(s):
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"""Decrypt the key the two subkeys must have a length of 43"""
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(a,b) = s.split('.')
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if len(a) != 43 or len(b) != 43:
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raise ExtractorError(u'Unable to decrypt signature, subkeys lengths not valid')
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b = ''.join([b[:8],a[0],b[9:18],b[-4],b[19:39], b[18]])[0:40]
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a = a[-40:]
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s_dec = '.'.join((a,b))[::-1]
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return s_dec
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def _get_available_subtitles(self, video_id):
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self.report_video_subtitles_download(video_id)
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request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
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try:
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sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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return (u'unable to download video subtitles: %s' % compat_str(err), None)
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sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
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sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list)
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if not sub_lang_list:
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return (u'video doesn\'t have subtitles', None)
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return sub_lang_list
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def _list_available_subtitles(self, video_id):
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sub_lang_list = self._get_available_subtitles(video_id)
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self.report_video_subtitles_available(video_id, sub_lang_list)
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def _request_subtitle(self, sub_lang, sub_name, video_id, format):
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"""
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Return tuple:
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(error_message, sub_lang, sub)
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"""
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self.report_video_subtitles_request(video_id, sub_lang, format)
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params = compat_urllib_parse.urlencode({
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'lang': sub_lang,
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'name': sub_name,
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'v': video_id,
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'fmt': format,
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})
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url = 'http://www.youtube.com/api/timedtext?' + params
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try:
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sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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return (u'unable to download video subtitles: %s' % compat_str(err), None, None)
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if not sub:
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return (u'Did not fetch video subtitles', None, None)
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return (None, sub_lang, sub)
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def _request_automatic_caption(self, video_id, webpage):
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"""We need the webpage for getting the captions url, pass it as an
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argument to speed up the process."""
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sub_lang = self._downloader.params.get('subtitleslang') or 'en'
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sub_format = self._downloader.params.get('subtitlesformat')
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self.to_screen(u'%s: Looking for automatic captions' % video_id)
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mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
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err_msg = u'Couldn\'t find automatic captions for "%s"' % sub_lang
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if mobj is None:
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return [(err_msg, None, None)]
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player_config = json.loads(mobj.group(1))
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try:
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args = player_config[u'args']
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caption_url = args[u'ttsurl']
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timestamp = args[u'timestamp']
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params = compat_urllib_parse.urlencode({
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'lang': 'en',
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'tlang': sub_lang,
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'fmt': sub_format,
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'ts': timestamp,
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'kind': 'asr',
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})
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subtitles_url = caption_url + '&' + params
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sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions')
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return [(None, sub_lang, sub)]
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except KeyError:
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return [(err_msg, None, None)]
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def _extract_subtitle(self, video_id):
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"""
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Return a list with a tuple:
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[(error_message, sub_lang, sub)]
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"""
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sub_lang_list = self._get_available_subtitles(video_id)
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sub_format = self._downloader.params.get('subtitlesformat')
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if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
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return [(sub_lang_list[0], None, None)]
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if self._downloader.params.get('subtitleslang', False):
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sub_lang = self._downloader.params.get('subtitleslang')
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elif 'en' in sub_lang_list:
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sub_lang = 'en'
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else:
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sub_lang = list(sub_lang_list.keys())[0]
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if not sub_lang in sub_lang_list:
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return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)]
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subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
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return [subtitle]
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def _extract_all_subtitles(self, video_id):
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sub_lang_list = self._get_available_subtitles(video_id)
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sub_format = self._downloader.params.get('subtitlesformat')
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if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
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return [(sub_lang_list[0], None, None)]
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subtitles = []
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for sub_lang in sub_lang_list:
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subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
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subtitles.append(subtitle)
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return subtitles
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def _print_formats(self, formats):
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print('Available formats:')
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for x in formats:
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print('%s\t:\t%s\t[%s]' %(x, self._video_extensions.get(x, 'flv'), self._video_dimensions.get(x, '???')))
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def _real_initialize(self):
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if self._downloader is None:
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return
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username = None
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password = None
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downloader_params = self._downloader.params
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# Attempt to use provided username and password or .netrc data
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if downloader_params.get('username', None) is not None:
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username = downloader_params['username']
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password = downloader_params['password']
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elif downloader_params.get('usenetrc', False):
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try:
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info = netrc.netrc().authenticators(self._NETRC_MACHINE)
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if info is not None:
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username = info[0]
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password = info[2]
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else:
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raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
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except (IOError, netrc.NetrcParseError) as err:
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self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err))
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return
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# Set language
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request = compat_urllib_request.Request(self._LANG_URL)
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try:
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self.report_lang()
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compat_urllib_request.urlopen(request).read()
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
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return
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# No authentication to be performed
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if username is None:
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return
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request = compat_urllib_request.Request(self._LOGIN_URL)
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try:
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login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
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return
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galx = None
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dsh = None
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match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
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if match:
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galx = match.group(1)
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match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
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if match:
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dsh = match.group(1)
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# Log in
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login_form_strs = {
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u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
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u'Email': username,
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u'GALX': galx,
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u'Passwd': password,
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u'PersistentCookie': u'yes',
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u'_utf8': u'霱',
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u'bgresponse': u'js_disabled',
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u'checkConnection': u'',
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u'checkedDomains': u'youtube',
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u'dnConn': u'',
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u'dsh': dsh,
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u'pstMsg': u'0',
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u'rmShown': u'1',
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u'secTok': u'',
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u'signIn': u'Sign in',
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u'timeStmp': u'',
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u'service': u'youtube',
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u'uilel': u'3',
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u'hl': u'en_US',
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}
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# Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
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# chokes on unicode
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login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
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login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
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request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
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try:
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self.report_login()
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login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
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if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
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self._downloader.report_warning(u'unable to log in: bad username or password')
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return
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
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return
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# Confirm age
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age_form = {
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'next_url': '/',
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'action_confirm': 'Confirm',
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}
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request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
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try:
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self.report_age_confirmation()
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age_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
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def _extract_id(self, url):
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mobj = re.match(self._VALID_URL, url, re.VERBOSE)
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if mobj is None:
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raise ExtractorError(u'Invalid URL: %s' % url)
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video_id = mobj.group(2)
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return video_id
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def _real_extract(self, url):
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# Extract original video URL from URL with redirection, like age verification, using next_url parameter
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mobj = re.search(self._NEXT_URL_RE, url)
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if mobj:
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url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
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video_id = self._extract_id(url)
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# Get video webpage
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self.report_video_webpage_download(video_id)
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url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
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request = compat_urllib_request.Request(url)
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try:
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video_webpage_bytes = compat_urllib_request.urlopen(request).read()
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err))
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video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
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# Attempt to extract SWF player URL
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mobj = re.search(r'swfConfig.*?"(http:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
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if mobj is not None:
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player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
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else:
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player_url = None
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# Get video info
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self.report_video_info_webpage_download(video_id)
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for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
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video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
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% (video_id, el_type))
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video_info_webpage = self._download_webpage(video_info_url, video_id,
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note=False,
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errnote='unable to download video info webpage')
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video_info = compat_parse_qs(video_info_webpage)
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if 'token' in video_info:
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break
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if 'token' not in video_info:
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if 'reason' in video_info:
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raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0])
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else:
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raise ExtractorError(u'"token" parameter not in video info for unknown reason')
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# Check for "rental" videos
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if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
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raise ExtractorError(u'"rental" videos not supported')
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# Start extracting information
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self.report_information_extraction(video_id)
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# 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."""
|
||||
|
||||
|
||||
757
youtube_dl/extractor/youtube.py
Normal file
757
youtube_dl/extractor/youtube.py
Normal file
@ -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)]
|
||||
Loading…
Reference in New Issue
Block a user