Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/youtube.py

   1 # coding: utf-8
   2
   3 from __future__ import unicode_literals
   4
   5
   6 import itertools
   7 import json
   8 import os.path
   9 import re
  10 import time
  11 import traceback
  12
  13 from .common import InfoExtractor, SearchInfoExtractor
  14 from .subtitles import SubtitlesInfoExtractor
  15 from ..jsinterp import JSInterpreter
  16 from ..swfinterp import SWFInterpreter
  17 from ..compat import (
  18     compat_chr,
  19     compat_parse_qs,
  20     compat_urllib_parse,
  21     compat_urllib_request,
  22     compat_urlparse,
  23     compat_str,
  24 )
  25 from ..utils import (
  26     clean_html,
  27     ExtractorError,
  28     get_element_by_attribute,
  29     get_element_by_id,
  30     int_or_none,
  31     OnDemandPagedList,
  32     orderedSet,
  33     unescapeHTML,
  34     unified_strdate,
  35     uppercase_escape,
  36 )
  37
  38
  39 class YoutubeBaseInfoExtractor(InfoExtractor):
  40     """Provide base functions for Youtube extractors"""
  41     _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
  42     _TWOFACTOR_URL = 'https://accounts.google.com/SecondFactor'
  43     _NETRC_MACHINE = 'youtube'
  44     # If True it will raise an error if no login info is provided
  45     _LOGIN_REQUIRED = False
  46
  47     def _set_language(self):
  48         self._set_cookie(
  49             '.youtube.com', 'PREF', 'f1=50000000&hl=en',
  50             # YouTube sets the expire time to about two months
  51             expire_time=time.time() + 2 * 30 * 24 * 3600)
  52
  53     def _login(self):
  54         """
  55         Attempt to log in to YouTube.
  56         True is returned if successful or skipped.
  57         False is returned if login failed.
  58
  59         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
  60         """
  61         (username, password) = self._get_login_info()
  62         # No authentication to be performed
  63         if username is None:
  64             if self._LOGIN_REQUIRED:
  65                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
  66             return True
  67
  68         login_page = self._download_webpage(
  69             self._LOGIN_URL, None,
  70             note='Downloading login page',
  71             errnote='unable to fetch login page', fatal=False)
  72         if login_page is False:
  73             return
  74
  75         galx = self._search_regex(r'(?s)<input.+?name="GALX".+?value="(.+?)"',
  76                                   login_page, 'Login GALX parameter')
  77
  78         # Log in
  79         login_form_strs = {
  80             'continue': 'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
  81             'Email': username,
  82             'GALX': galx,
  83             'Passwd': password,
  84
  85             'PersistentCookie': 'yes',
  86             '_utf8': '霱',
  87             'bgresponse': 'js_disabled',
  88             'checkConnection': '',
  89             'checkedDomains': 'youtube',
  90             'dnConn': '',
  91             'pstMsg': '0',
  92             'rmShown': '1',
  93             'secTok': '',
  94             'signIn': 'Sign in',
  95             'timeStmp': '',
  96             'service': 'youtube',
  97             'uilel': '3',
  98             'hl': 'en_US',
  99         }
 100
 101         # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
 102         # chokes on unicode
 103         login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in login_form_strs.items())
 104         login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
 105
 106         req = compat_urllib_request.Request(self._LOGIN_URL, login_data)
 107         login_results = self._download_webpage(
 108             req, None,
 109             note='Logging in', errnote='unable to log in', fatal=False)
 110         if login_results is False:
 111             return False
 112
 113         if re.search(r'id="errormsg_0_Passwd"', login_results) is not None:
 114             raise ExtractorError('Please use your account password and a two-factor code instead of an application-specific password.', expected=True)
 115
 116         # Two-Factor
 117         # TODO add SMS and phone call support - these require making a request and then prompting the user
 118
 119         if re.search(r'(?i)<form[^>]* id="gaia_secondfactorform"', login_results) is not None:
 120             tfa_code = self._get_tfa_info()
 121
 122             if tfa_code is None:
 123                 self._downloader.report_warning('Two-factor authentication required. Provide it with --twofactor <code>')
 124                 self._downloader.report_warning('(Note that only TOTP (Google Authenticator App) codes work at this time.)')
 125                 return False
 126
 127             # Unlike the first login form, secTok and timeStmp are both required for the TFA form
 128
 129             match = re.search(r'id="secTok"\n\s+value=\'(.+)\'/>', login_results, re.M | re.U)
 130             if match is None:
 131                 self._downloader.report_warning('Failed to get secTok - did the page structure change?')
 132             secTok = match.group(1)
 133             match = re.search(r'id="timeStmp"\n\s+value=\'(.+)\'/>', login_results, re.M | re.U)
 134             if match is None:
 135                 self._downloader.report_warning('Failed to get timeStmp - did the page structure change?')
 136             timeStmp = match.group(1)
 137
 138             tfa_form_strs = {
 139                 'continue': 'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
 140                 'smsToken': '',
 141                 'smsUserPin': tfa_code,
 142                 'smsVerifyPin': 'Verify',
 143
 144                 'PersistentCookie': 'yes',
 145                 'checkConnection': '',
 146                 'checkedDomains': 'youtube',
 147                 'pstMsg': '1',
 148                 'secTok': secTok,
 149                 'timeStmp': timeStmp,
 150                 'service': 'youtube',
 151                 'hl': 'en_US',
 152             }
 153             tfa_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in tfa_form_strs.items())
 154             tfa_data = compat_urllib_parse.urlencode(tfa_form).encode('ascii')
 155
 156             tfa_req = compat_urllib_request.Request(self._TWOFACTOR_URL, tfa_data)
 157             tfa_results = self._download_webpage(
 158                 tfa_req, None,
 159                 note='Submitting TFA code', errnote='unable to submit tfa', fatal=False)
 160
 161             if tfa_results is False:
 162                 return False
 163
 164             if re.search(r'(?i)<form[^>]* id="gaia_secondfactorform"', tfa_results) is not None:
 165                 self._downloader.report_warning('Two-factor code expired. Please try again, or use a one-use backup code instead.')
 166                 return False
 167             if re.search(r'(?i)<form[^>]* id="gaia_loginform"', tfa_results) is not None:
 168                 self._downloader.report_warning('unable to log in - did the page structure change?')
 169                 return False
 170             if re.search(r'smsauth-interstitial-reviewsettings', tfa_results) is not None:
 171                 self._downloader.report_warning('Your Google account has a security notice. Please log in on your web browser, resolve the notice, and try again.')
 172                 return False
 173
 174         if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
 175             self._downloader.report_warning('unable to log in: bad username or password')
 176             return False
 177         return True
 178
 179     def _real_initialize(self):
 180         if self._downloader is None:
 181             return
 182         self._set_language()
 183         if not self._login():
 184             return
 185
 186
 187 class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
 188     IE_DESC = 'YouTube.com'
 189     _VALID_URL = r"""(?x)^
 190                      (
 191                          (?:https?://|//)                                    # http(s):// or protocol-independent URL
 192                          (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
 193                             (?:www\.)?deturl\.com/www\.youtube\.com/|
 194                             (?:www\.)?pwnyoutube\.com/|
 195                             (?:www\.)?yourepeat\.com/|
 196                             tube\.majestyc\.net/|
 197                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
 198                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
 199                          (?:                                                  # the various things that can precede the ID:
 200                              (?:(?:v|embed|e)/(?!videoseries))                # v/ or embed/ or e/
 201                              |(?:                                             # or the v= param in all its forms
 202                                  (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)?  # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
 203                                  (?:\?|\#!?)                                  # the params delimiter ? or # or #!
 204                                  (?:.*?&)?                                    # any other preceding param (like /?s=tuff&v=xxxx)
 205                                  v=
 206                              )
 207                          ))
 208                          |youtu\.be/                                          # just youtu.be/xxxx
 209                          |(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
 210                          )
 211                      )?                                                       # all until now is optional -> you can pass the naked ID
 212                      ([0-9A-Za-z_-]{11})                                      # here is it! the YouTube video ID
 213                      (?!.*?&list=)                                            # combined list/video URLs are handled by the playlist IE
 214                      (?(1).+)?                                                # if we found the ID, everything can follow
 215                      $"""
 216     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
 217     _formats = {
 218         '5': {'ext': 'flv', 'width': 400, 'height': 240},
 219         '6': {'ext': 'flv', 'width': 450, 'height': 270},
 220         '13': {'ext': '3gp'},
 221         '17': {'ext': '3gp', 'width': 176, 'height': 144},
 222         '18': {'ext': 'mp4', 'width': 640, 'height': 360},
 223         '22': {'ext': 'mp4', 'width': 1280, 'height': 720},
 224         '34': {'ext': 'flv', 'width': 640, 'height': 360},
 225         '35': {'ext': 'flv', 'width': 854, 'height': 480},
 226         '36': {'ext': '3gp', 'width': 320, 'height': 240},
 227         '37': {'ext': 'mp4', 'width': 1920, 'height': 1080},
 228         '38': {'ext': 'mp4', 'width': 4096, 'height': 3072},
 229         '43': {'ext': 'webm', 'width': 640, 'height': 360},
 230         '44': {'ext': 'webm', 'width': 854, 'height': 480},
 231         '45': {'ext': 'webm', 'width': 1280, 'height': 720},
 232         '46': {'ext': 'webm', 'width': 1920, 'height': 1080},
 233
 234
 235         # 3d videos
 236         '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'preference': -20},
 237         '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'preference': -20},
 238         '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'preference': -20},
 239         '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'preference': -20},
 240         '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'preference': -20},
 241         '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'preference': -20},
 242         '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'preference': -20},
 243
 244         # Apple HTTP Live Streaming
 245         '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'preference': -10},
 246         '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'preference': -10},
 247         '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'preference': -10},
 248         '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'preference': -10},
 249         '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'preference': -10},
 250         '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'preference': -10},
 251         '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'preference': -10},
 252
 253         # DASH mp4 video
 254         '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 255         '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 256         '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 257         '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 258         '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 259         '138': {'ext': 'mp4', 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},  # Height can vary (https://github.com/rg3/youtube-dl/issues/4559)
 260         '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 261         '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 262         '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'h264'},
 263         '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'h264'},
 264         '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'vcodec': 'h264'},
 265
 266         # Dash mp4 audio
 267         '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 48, 'preference': -50},
 268         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 128, 'preference': -50},
 269         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 256, 'preference': -50},
 270
 271         # Dash webm
 272         '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
 273         '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
 274         '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
 275         '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
 276         '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
 277         '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
 278         '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'container': 'webm', 'vcodec': 'VP9'},
 279         '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 280         '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 281         '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 282         '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 283         '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 284         '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 285         '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 286         '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 287         '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
 288         '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'VP9'},
 289         '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'VP9'},
 290         '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'VP9'},
 291         '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'vcodec': 'VP9'},
 292         '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'fps': 60, 'vcodec': 'VP9'},
 293
 294         # Dash webm audio
 295         '171': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'abr': 128, 'preference': -50},
 296         '172': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'abr': 256, 'preference': -50},
 297
 298         # Dash webm audio with opus inside
 299         '249': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 50, 'preference': -50},
 300         '250': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 70, 'preference': -50},
 301         '251': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'acodec': 'opus', 'abr': 160, 'preference': -50},
 302
 303         # RTMP (unnamed)
 304         '_rtmp': {'protocol': 'rtmp'},
 305     }
 306
 307     IE_NAME = 'youtube'
 308     _TESTS = [
 309         {
 310             'url': 'http://www.youtube.com/watch?v=BaW_jenozKc',
 311             'info_dict': {
 312                 'id': 'BaW_jenozKc',
 313                 'ext': 'mp4',
 314                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
 315                 'uploader': 'Philipp Hagemeister',
 316                 'uploader_id': 'phihag',
 317                 'upload_date': '20121002',
 318                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
 319                 'categories': ['Science & Technology'],
 320                 'like_count': int,
 321                 'dislike_count': int,
 322             }
 323         },
 324         {
 325             'url': 'http://www.youtube.com/watch?v=UxxajLWwzqY',
 326             'note': 'Test generic use_cipher_signature video (#897)',
 327             'info_dict': {
 328                 'id': 'UxxajLWwzqY',
 329                 'ext': 'mp4',
 330                 'upload_date': '20120506',
 331                 'title': 'Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]',
 332                 'description': 'md5:fea86fda2d5a5784273df5c7cc994d9f',
 333                 'uploader': 'Icona Pop',
 334                 'uploader_id': 'IconaPop',
 335             }
 336         },
 337         {
 338             'url': 'https://www.youtube.com/watch?v=07FYdnEawAQ',
 339             'note': 'Test VEVO video with age protection (#956)',
 340             'info_dict': {
 341                 'id': '07FYdnEawAQ',
 342                 'ext': 'mp4',
 343                 'upload_date': '20130703',
 344                 'title': 'Justin Timberlake - Tunnel Vision (Explicit)',
 345                 'description': 'md5:64249768eec3bc4276236606ea996373',
 346                 'uploader': 'justintimberlakeVEVO',
 347                 'uploader_id': 'justintimberlakeVEVO',
 348             }
 349         },
 350         {
 351             'url': '//www.YouTube.com/watch?v=yZIXLfi8CZQ',
 352             'note': 'Embed-only video (#1746)',
 353             'info_dict': {
 354                 'id': 'yZIXLfi8CZQ',
 355                 'ext': 'mp4',
 356                 'upload_date': '20120608',
 357                 'title': 'Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012',
 358                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
 359                 'uploader': 'SET India',
 360                 'uploader_id': 'setindia'
 361             }
 362         },
 363         {
 364             'url': 'http://www.youtube.com/watch?v=a9LDPn-MO4I',
 365             'note': '256k DASH audio (format 141) via DASH manifest',
 366             'info_dict': {
 367                 'id': 'a9LDPn-MO4I',
 368                 'ext': 'm4a',
 369                 'upload_date': '20121002',
 370                 'uploader_id': '8KVIDEO',
 371                 'description': '',
 372                 'uploader': '8KVIDEO',
 373                 'title': 'UHDTV TEST 8K VIDEO.mp4'
 374             },
 375             'params': {
 376                 'youtube_include_dash_manifest': True,
 377                 'format': '141',
 378             },
 379         },
 380         # DASH manifest with encrypted signature
 381         {
 382             'url': 'https://www.youtube.com/watch?v=IB3lcPjvWLA',
 383             'info_dict': {
 384                 'id': 'IB3lcPjvWLA',
 385                 'ext': 'm4a',
 386                 'title': 'Afrojack, Spree Wilson - The Spark ft. Spree Wilson',
 387                 'description': 'md5:12e7067fa6735a77bdcbb58cb1187d2d',
 388                 'uploader': 'AfrojackVEVO',
 389                 'uploader_id': 'AfrojackVEVO',
 390                 'upload_date': '20131011',
 391             },
 392             'params': {
 393                 'youtube_include_dash_manifest': True,
 394                 'format': '141',
 395             },
 396         },
 397         # JS player signature function name containing $
 398         {
 399             'url': 'https://www.youtube.com/watch?v=nfWlot6h_JM',
 400             'info_dict': {
 401                 'id': 'nfWlot6h_JM',
 402                 'ext': 'm4a',
 403                 'title': 'Taylor Swift - Shake It Off',
 404                 'description': 'md5:2acfda1b285bdd478ccec22f9918199d',
 405                 'uploader': 'TaylorSwiftVEVO',
 406                 'uploader_id': 'TaylorSwiftVEVO',
 407                 'upload_date': '20140818',
 408             },
 409             'params': {
 410                 'youtube_include_dash_manifest': True,
 411                 'format': '141',
 412             },
 413         },
 414         # Controversy video
 415         {
 416             'url': 'https://www.youtube.com/watch?v=T4XJQO3qol8',
 417             'info_dict': {
 418                 'id': 'T4XJQO3qol8',
 419                 'ext': 'mp4',
 420                 'upload_date': '20100909',
 421                 'uploader': 'The Amazing Atheist',
 422                 'uploader_id': 'TheAmazingAtheist',
 423                 'title': 'Burning Everyone\'s Koran',
 424                 'description': 'SUBSCRIBE: http://www.youtube.com/saturninefilms\n\nEven Obama has taken a stand against freedom on this issue: http://www.huffingtonpost.com/2010/09/09/obama-gma-interview-quran_n_710282.html',
 425             }
 426         },
 427         # Normal age-gate video (No vevo, embed allowed)
 428         {
 429             'url': 'http://youtube.com/watch?v=HtVdAasjOgU',
 430             'info_dict': {
 431                 'id': 'HtVdAasjOgU',
 432                 'ext': 'mp4',
 433                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
 434                 'description': 're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
 435                 'uploader': 'The Witcher',
 436                 'uploader_id': 'WitcherGame',
 437                 'upload_date': '20140605',
 438             },
 439         },
 440         # Age-gate video with encrypted signature
 441         {
 442             'url': 'http://www.youtube.com/watch?v=6kLq3WMV1nU',
 443             'info_dict': {
 444                 'id': '6kLq3WMV1nU',
 445                 'ext': 'mp4',
 446                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
 447                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
 448                 'uploader': 'LloydVEVO',
 449                 'uploader_id': 'LloydVEVO',
 450                 'upload_date': '20110629',
 451             },
 452         },
 453         # video_info is None (https://github.com/rg3/youtube-dl/issues/4421)
 454         {
 455             'url': '__2ABJjxzNo',
 456             'info_dict': {
 457                 'id': '__2ABJjxzNo',
 458                 'ext': 'mp4',
 459                 'upload_date': '20100430',
 460                 'uploader_id': 'deadmau5',
 461                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
 462                 'uploader': 'deadmau5',
 463                 'title': 'Deadmau5 - Some Chords (HD)',
 464             },
 465             'expected_warnings': [
 466                 'DASH manifest missing',
 467             ]
 468         },
 469         # Olympics (https://github.com/rg3/youtube-dl/issues/4431)
 470         {
 471             'url': 'lqQg6PlCWgI',
 472             'info_dict': {
 473                 'id': 'lqQg6PlCWgI',
 474                 'ext': 'mp4',
 475                 'upload_date': '20120731',
 476                 'uploader_id': 'olympic',
 477                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
 478                 'uploader': 'Olympics',
 479                 'title': 'Hockey - Women -  GER-AUS - London 2012 Olympic Games',
 480             },
 481             'params': {
 482                 'skip_download': 'requires avconv',
 483             }
 484         },
 485         # Non-square pixels
 486         {
 487             'url': 'https://www.youtube.com/watch?v=_b-2C3KPAM0',
 488             'info_dict': {
 489                 'id': '_b-2C3KPAM0',
 490                 'ext': 'mp4',
 491                 'stretched_ratio': 16 / 9.,
 492                 'upload_date': '20110310',
 493                 'uploader_id': 'AllenMeow',
 494                 'description': 'made by Wacom from Korea | 字幕&加油添醋 by TY\'s Allen | 感謝heylisa00cavey1001同學熱情提供梗及翻譯',
 495                 'uploader': '孫艾倫',
 496                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
 497             },
 498         }
 499     ]
 500
 501     def __init__(self, *args, **kwargs):
 502         super(YoutubeIE, self).__init__(*args, **kwargs)
 503         self._player_cache = {}
 504
 505     def report_video_info_webpage_download(self, video_id):
 506         """Report attempt to download video info webpage."""
 507         self.to_screen('%s: Downloading video info webpage' % video_id)
 508
 509     def report_information_extraction(self, video_id):
 510         """Report attempt to extract video information."""
 511         self.to_screen('%s: Extracting video information' % video_id)
 512
 513     def report_unavailable_format(self, video_id, format):
 514         """Report extracted video URL."""
 515         self.to_screen('%s: Format %s not available' % (video_id, format))
 516
 517     def report_rtmp_download(self):
 518         """Indicate the download will use the RTMP protocol."""
 519         self.to_screen('RTMP download detected')
 520
 521     def _signature_cache_id(self, example_sig):
 522         """ Return a string representation of a signature """
 523         return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
 524
 525     def _extract_signature_function(self, video_id, player_url, example_sig):
 526         id_m = re.match(
 527             r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player)?\.(?P<ext>[a-z]+)$',
 528             player_url)
 529         if not id_m:
 530             raise ExtractorError('Cannot identify player %r' % player_url)
 531         player_type = id_m.group('ext')
 532         player_id = id_m.group('id')
 533
 534         # Read from filesystem cache
 535         func_id = '%s_%s_%s' % (
 536             player_type, player_id, self._signature_cache_id(example_sig))
 537         assert os.path.basename(func_id) == func_id
 538
 539         cache_spec = self._downloader.cache.load('youtube-sigfuncs', func_id)
 540         if cache_spec is not None:
 541             return lambda s: ''.join(s[i] for i in cache_spec)
 542
 543         if player_type == 'js':
 544             code = self._download_webpage(
 545                 player_url, video_id,
 546                 note='Downloading %s player %s' % (player_type, player_id),
 547                 errnote='Download of %s failed' % player_url)
 548             res = self._parse_sig_js(code)
 549         elif player_type == 'swf':
 550             urlh = self._request_webpage(
 551                 player_url, video_id,
 552                 note='Downloading %s player %s' % (player_type, player_id),
 553                 errnote='Download of %s failed' % player_url)
 554             code = urlh.read()
 555             res = self._parse_sig_swf(code)
 556         else:
 557             assert False, 'Invalid player type %r' % player_type
 558
 559         if cache_spec is None:
 560             test_string = ''.join(map(compat_chr, range(len(example_sig))))
 561             cache_res = res(test_string)
 562             cache_spec = [ord(c) for c in cache_res]
 563
 564         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
 565         return res
 566
 567     def _print_sig_code(self, func, example_sig):
 568         def gen_sig_code(idxs):
 569             def _genslice(start, end, step):
 570                 starts = '' if start == 0 else str(start)
 571                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
 572                 steps = '' if step == 1 else (':%d' % step)
 573                 return 's[%s%s%s]' % (starts, ends, steps)
 574
 575             step = None
 576             # Quelch pyflakes warnings - start will be set when step is set
 577             start = '(Never used)'
 578             for i, prev in zip(idxs[1:], idxs[:-1]):
 579                 if step is not None:
 580                     if i - prev == step:
 581                         continue
 582                     yield _genslice(start, prev, step)
 583                     step = None
 584                     continue
 585                 if i - prev in [-1, 1]:
 586                     step = i - prev
 587                     start = prev
 588                     continue
 589                 else:
 590                     yield 's[%d]' % prev
 591             if step is None:
 592                 yield 's[%d]' % i
 593             else:
 594                 yield _genslice(start, i, step)
 595
 596         test_string = ''.join(map(compat_chr, range(len(example_sig))))
 597         cache_res = func(test_string)
 598         cache_spec = [ord(c) for c in cache_res]
 599         expr_code = ' + '.join(gen_sig_code(cache_spec))
 600         signature_id_tuple = '(%s)' % (
 601             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
 602         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
 603                 '    return %s\n') % (signature_id_tuple, expr_code)
 604         self.to_screen('Extracted signature function:\n' + code)
 605
 606     def _parse_sig_js(self, jscode):
 607         funcname = self._search_regex(
 608             r'\.sig\|\|([a-zA-Z0-9$]+)\(', jscode,
 609             'Initial JS player signature function name')
 610
 611         jsi = JSInterpreter(jscode)
 612         initial_function = jsi.extract_function(funcname)
 613         return lambda s: initial_function([s])
 614
 615     def _parse_sig_swf(self, file_contents):
 616         swfi = SWFInterpreter(file_contents)
 617         TARGET_CLASSNAME = 'SignatureDecipher'
 618         searched_class = swfi.extract_class(TARGET_CLASSNAME)
 619         initial_function = swfi.extract_function(searched_class, 'decipher')
 620         return lambda s: initial_function([s])
 621
 622     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
 623         """Turn the encrypted s field into a working signature"""
 624
 625         if player_url is None:
 626             raise ExtractorError('Cannot decrypt signature without player_url')
 627
 628         if player_url.startswith('//'):
 629             player_url = 'https:' + player_url
 630         try:
 631             player_id = (player_url, self._signature_cache_id(s))
 632             if player_id not in self._player_cache:
 633                 func = self._extract_signature_function(
 634                     video_id, player_url, s
 635                 )
 636                 self._player_cache[player_id] = func
 637             func = self._player_cache[player_id]
 638             if self._downloader.params.get('youtube_print_sig_code'):
 639                 self._print_sig_code(func, s)
 640             return func(s)
 641         except Exception as e:
 642             tb = traceback.format_exc()
 643             raise ExtractorError(
 644                 'Signature extraction failed: ' + tb, cause=e)
 645
 646     def _get_available_subtitles(self, video_id, webpage):
 647         try:
 648             subs_doc = self._download_xml(
 649                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
 650                 video_id, note=False)
 651         except ExtractorError as err:
 652             self._downloader.report_warning('unable to download video subtitles: %s' % compat_str(err))
 653             return {}
 654
 655         sub_lang_list = {}
 656         for track in subs_doc.findall('track'):
 657             lang = track.attrib['lang_code']
 658             if lang in sub_lang_list:
 659                 continue
 660             params = compat_urllib_parse.urlencode({
 661                 'lang': lang,
 662                 'v': video_id,
 663                 'fmt': self._downloader.params.get('subtitlesformat', 'srt'),
 664                 'name': track.attrib['name'].encode('utf-8'),
 665             })
 666             url = 'https://www.youtube.com/api/timedtext?' + params
 667             sub_lang_list[lang] = url
 668         if not sub_lang_list:
 669             self._downloader.report_warning('video doesn\'t have subtitles')
 670             return {}
 671         return sub_lang_list
 672
 673     def _get_available_automatic_caption(self, video_id, webpage):
 674         """We need the webpage for getting the captions url, pass it as an
 675            argument to speed up the process."""
 676         sub_format = self._downloader.params.get('subtitlesformat', 'srt')
 677         self.to_screen('%s: Looking for automatic captions' % video_id)
 678         mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
 679         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
 680         if mobj is None:
 681             self._downloader.report_warning(err_msg)
 682             return {}
 683         player_config = json.loads(mobj.group(1))
 684         try:
 685             args = player_config['args']
 686             caption_url = args['ttsurl']
 687             timestamp = args['timestamp']
 688             # We get the available subtitles
 689             list_params = compat_urllib_parse.urlencode({
 690                 'type': 'list',
 691                 'tlangs': 1,
 692                 'asrs': 1,
 693             })
 694             list_url = caption_url + '&' + list_params
 695             caption_list = self._download_xml(list_url, video_id)
 696             original_lang_node = caption_list.find('track')
 697             if original_lang_node is None:
 698                 self._downloader.report_warning('Video doesn\'t have automatic captions')
 699                 return {}
 700             original_lang = original_lang_node.attrib['lang_code']
 701             caption_kind = original_lang_node.attrib.get('kind', '')
 702
 703             sub_lang_list = {}
 704             for lang_node in caption_list.findall('target'):
 705                 sub_lang = lang_node.attrib['lang_code']
 706                 params = compat_urllib_parse.urlencode({
 707                     'lang': original_lang,
 708                     'tlang': sub_lang,
 709                     'fmt': sub_format,
 710                     'ts': timestamp,
 711                     'kind': caption_kind,
 712                 })
 713                 sub_lang_list[sub_lang] = caption_url + '&' + params
 714             return sub_lang_list
 715         # An extractor error can be raise by the download process if there are
 716         # no automatic captions but there are subtitles
 717         except (KeyError, ExtractorError):
 718             self._downloader.report_warning(err_msg)
 719             return {}
 720
 721     @classmethod
 722     def extract_id(cls, url):
 723         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
 724         if mobj is None:
 725             raise ExtractorError('Invalid URL: %s' % url)
 726         video_id = mobj.group(2)
 727         return video_id
 728
 729     def _extract_from_m3u8(self, manifest_url, video_id):
 730         url_map = {}
 731
 732         def _get_urls(_manifest):
 733             lines = _manifest.split('\n')
 734             urls = filter(lambda l: l and not l.startswith('#'),
 735                           lines)
 736             return urls
 737         manifest = self._download_webpage(manifest_url, video_id, 'Downloading formats manifest')
 738         formats_urls = _get_urls(manifest)
 739         for format_url in formats_urls:
 740             itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
 741             url_map[itag] = format_url
 742         return url_map
 743
 744     def _extract_annotations(self, video_id):
 745         url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
 746         return self._download_webpage(url, video_id, note='Searching for annotations.', errnote='Unable to download video annotations.')
 747
 748     def _parse_dash_manifest(
 749             self, video_id, dash_manifest_url, player_url, age_gate):
 750         def decrypt_sig(mobj):
 751             s = mobj.group(1)
 752             dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
 753             return '/signature/%s' % dec_s
 754         dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url)
 755         dash_doc = self._download_xml(
 756             dash_manifest_url, video_id,
 757             note='Downloading DASH manifest',
 758             errnote='Could not download DASH manifest')
 759
 760         formats = []
 761         for r in dash_doc.findall('.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):
 762             url_el = r.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL')
 763             if url_el is None:
 764                 continue
 765             format_id = r.attrib['id']
 766             video_url = url_el.text
 767             filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength'))
 768             f = {
 769                 'format_id': format_id,
 770                 'url': video_url,
 771                 'width': int_or_none(r.attrib.get('width')),
 772                 'height': int_or_none(r.attrib.get('height')),
 773                 'tbr': int_or_none(r.attrib.get('bandwidth'), 1000),
 774                 'asr': int_or_none(r.attrib.get('audioSamplingRate')),
 775                 'filesize': filesize,
 776                 'fps': int_or_none(r.attrib.get('frameRate')),
 777             }
 778             try:
 779                 existing_format = next(
 780                     fo for fo in formats
 781                     if fo['format_id'] == format_id)
 782             except StopIteration:
 783                 f.update(self._formats.get(format_id, {}).items())
 784                 formats.append(f)
 785             else:
 786                 existing_format.update(f)
 787         return formats
 788
 789     def _real_extract(self, url):
 790         proto = (
 791             'http' if self._downloader.params.get('prefer_insecure', False)
 792             else 'https')
 793
 794         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
 795         mobj = re.search(self._NEXT_URL_RE, url)
 796         if mobj:
 797             url = proto + '://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
 798         video_id = self.extract_id(url)
 799
 800         # Get video webpage
 801         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
 802         video_webpage = self._download_webpage(url, video_id)
 803
 804         # Attempt to extract SWF player URL
 805         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
 806         if mobj is not None:
 807             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
 808         else:
 809             player_url = None
 810
 811         # Get video info
 812         if re.search(r'player-age-gate-content">', video_webpage) is not None:
 813             age_gate = True
 814             # We simulate the access to the video from www.youtube.com/v/{video_id}
 815             # this can be viewed without login into Youtube
 816             url = proto + '://www.youtube.com/embed/%s' % video_id
 817             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
 818             data = compat_urllib_parse.urlencode({
 819                 'video_id': video_id,
 820                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
 821                 'sts': self._search_regex(
 822                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
 823             })
 824             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
 825             video_info_webpage = self._download_webpage(
 826                 video_info_url, video_id,
 827                 note='Refetching age-gated info webpage',
 828                 errnote='unable to download video info webpage')
 829             video_info = compat_parse_qs(video_info_webpage)
 830         else:
 831             age_gate = False
 832             try:
 833                 # Try looking directly into the video webpage
 834                 mobj = re.search(r';ytplayer\.config\s*=\s*({.*?});', video_webpage)
 835                 if not mobj:
 836                     raise ValueError('Could not find ytplayer.config')  # caught below
 837                 json_code = uppercase_escape(mobj.group(1))
 838                 ytplayer_config = json.loads(json_code)
 839                 args = ytplayer_config['args']
 840                 # Convert to the same format returned by compat_parse_qs
 841                 video_info = dict((k, [v]) for k, v in args.items())
 842                 if 'url_encoded_fmt_stream_map' not in args:
 843                     raise ValueError('No stream_map present')  # caught below
 844             except ValueError:
 845                 # We fallback to the get_video_info pages (used by the embed page)
 846                 self.report_video_info_webpage_download(video_id)
 847                 for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
 848                     video_info_url = (
 849                         '%s://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
 850                         % (proto, video_id, el_type))
 851                     video_info_webpage = self._download_webpage(
 852                         video_info_url,
 853                         video_id, note=False,
 854                         errnote='unable to download video info webpage')
 855                     video_info = compat_parse_qs(video_info_webpage)
 856                     if 'token' in video_info:
 857                         break
 858         if 'token' not in video_info:
 859             if 'reason' in video_info:
 860                 raise ExtractorError(
 861                     'YouTube said: %s' % video_info['reason'][0],
 862                     expected=True, video_id=video_id)
 863             else:
 864                 raise ExtractorError(
 865                     '"token" parameter not in video info for unknown reason',
 866                     video_id=video_id)
 867
 868         if 'view_count' in video_info:
 869             view_count = int(video_info['view_count'][0])
 870         else:
 871             view_count = None
 872
 873         # Check for "rental" videos
 874         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
 875             raise ExtractorError('"rental" videos not supported')
 876
 877         # Start extracting information
 878         self.report_information_extraction(video_id)
 879
 880         # uploader
 881         if 'author' not in video_info:
 882             raise ExtractorError('Unable to extract uploader name')
 883         video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
 884
 885         # uploader_id
 886         video_uploader_id = None
 887         mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
 888         if mobj is not None:
 889             video_uploader_id = mobj.group(1)
 890         else:
 891             self._downloader.report_warning('unable to extract uploader nickname')
 892
 893         # title
 894         if 'title' in video_info:
 895             video_title = video_info['title'][0]
 896         else:
 897             self._downloader.report_warning('Unable to extract video title')
 898             video_title = '_'
 899
 900         # thumbnail image
 901         # We try first to get a high quality image:
 902         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
 903                             video_webpage, re.DOTALL)
 904         if m_thumb is not None:
 905             video_thumbnail = m_thumb.group(1)
 906         elif 'thumbnail_url' not in video_info:
 907             self._downloader.report_warning('unable to extract video thumbnail')
 908             video_thumbnail = None
 909         else:   # don't panic if we can't find it
 910             video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
 911
 912         # upload date
 913         upload_date = None
 914         mobj = re.search(r'(?s)id="eow-date.*?>(.*?)</span>', video_webpage)
 915         if mobj is None:
 916             mobj = re.search(
 917                 r'(?s)id="watch-uploader-info".*?>.*?(?:Published|Uploaded|Streamed live) on (.*?)</strong>',
 918                 video_webpage)
 919         if mobj is not None:
 920             upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
 921             upload_date = unified_strdate(upload_date)
 922
 923         m_cat_container = self._search_regex(
 924             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
 925             video_webpage, 'categories', default=None)
 926         if m_cat_container:
 927             category = self._html_search_regex(
 928                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
 929                 default=None)
 930             video_categories = None if category is None else [category]
 931         else:
 932             video_categories = None
 933
 934         # description
 935         video_description = get_element_by_id("eow-description", video_webpage)
 936         if video_description:
 937             video_description = re.sub(r'''(?x)
 938                 <a\s+
 939                     (?:[a-zA-Z-]+="[^"]+"\s+)*?
 940                     title="([^"]+)"\s+
 941                     (?:[a-zA-Z-]+="[^"]+"\s+)*?
 942                     class="yt-uix-redirect-link"\s*>
 943                 [^<]+
 944                 </a>
 945             ''', r'\1', video_description)
 946             video_description = clean_html(video_description)
 947         else:
 948             fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
 949             if fd_mobj:
 950                 video_description = unescapeHTML(fd_mobj.group(1))
 951             else:
 952                 video_description = ''
 953
 954         def _extract_count(count_name):
 955             count = self._search_regex(
 956                 r'id="watch-%s"[^>]*>.*?([\d,]+)\s*</span>' % re.escape(count_name),
 957                 video_webpage, count_name, default=None)
 958             if count is not None:
 959                 return int(count.replace(',', ''))
 960             return None
 961         like_count = _extract_count('like')
 962         dislike_count = _extract_count('dislike')
 963
 964         # subtitles
 965         video_subtitles = self.extract_subtitles(video_id, video_webpage)
 966
 967         if self._downloader.params.get('listsubtitles', False):
 968             self._list_available_subtitles(video_id, video_webpage)
 969             return
 970
 971         if 'length_seconds' not in video_info:
 972             self._downloader.report_warning('unable to extract video duration')
 973             video_duration = None
 974         else:
 975             video_duration = int(compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]))
 976
 977         # annotations
 978         video_annotations = None
 979         if self._downloader.params.get('writeannotations', False):
 980             video_annotations = self._extract_annotations(video_id)
 981
 982         def _map_to_format_list(urlmap):
 983             formats = []
 984             for itag, video_real_url in urlmap.items():
 985                 dct = {
 986                     'format_id': itag,
 987                     'url': video_real_url,
 988                     'player_url': player_url,
 989                 }
 990                 if itag in self._formats:
 991                     dct.update(self._formats[itag])
 992                 formats.append(dct)
 993             return formats
 994
 995         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
 996             self.report_rtmp_download()
 997             formats = [{
 998                 'format_id': '_rtmp',
 999                 'protocol': 'rtmp',
1000                 'url': video_info['conn'][0],
1001                 'player_url': player_url,
1002             }]
1003         elif len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1:
1004             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1005             if 'rtmpe%3Dyes' in encoded_url_map:
1006                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
1007             url_map = {}
1008             for url_data_str in encoded_url_map.split(','):
1009                 url_data = compat_parse_qs(url_data_str)
1010                 if 'itag' not in url_data or 'url' not in url_data:
1011                     continue
1012                 format_id = url_data['itag'][0]
1013                 url = url_data['url'][0]
1014
1015                 if 'sig' in url_data:
1016                     url += '&signature=' + url_data['sig'][0]
1017                 elif 's' in url_data:
1018                     encrypted_sig = url_data['s'][0]
1019
1020                     jsplayer_url_json = self._search_regex(
1021                         r'"assets":.+?"js":\s*("[^"]+")',
1022                         embed_webpage if age_gate else video_webpage, 'JS player URL')
1023                     player_url = json.loads(jsplayer_url_json)
1024                     if player_url is None:
1025                         player_url_json = self._search_regex(
1026                             r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
1027                             video_webpage, 'age gate player URL')
1028                         player_url = json.loads(player_url_json)
1029
1030                     if self._downloader.params.get('verbose'):
1031                         if player_url is None:
1032                             player_version = 'unknown'
1033                             player_desc = 'unknown'
1034                         else:
1035                             if player_url.endswith('swf'):
1036                                 player_version = self._search_regex(
1037                                     r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
1038                                     'flash player', fatal=False)
1039                                 player_desc = 'flash player %s' % player_version
1040                             else:
1041                                 player_version = self._search_regex(
1042                                     r'html5player-([^/]+?)(?:/html5player)?\.js',
1043                                     player_url,
1044                                     'html5 player', fatal=False)
1045                                 player_desc = 'html5 player %s' % player_version
1046
1047                         parts_sizes = self._signature_cache_id(encrypted_sig)
1048                         self.to_screen('{%s} signature length %s, %s' %
1049                                        (format_id, parts_sizes, player_desc))
1050
1051                     signature = self._decrypt_signature(
1052                         encrypted_sig, video_id, player_url, age_gate)
1053                     url += '&signature=' + signature
1054                 if 'ratebypass' not in url:
1055                     url += '&ratebypass=yes'
1056                 url_map[format_id] = url
1057             formats = _map_to_format_list(url_map)
1058         elif video_info.get('hlsvp'):
1059             manifest_url = video_info['hlsvp'][0]
1060             url_map = self._extract_from_m3u8(manifest_url, video_id)
1061             formats = _map_to_format_list(url_map)
1062         else:
1063             raise ExtractorError('no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
1064
1065         # Look for the DASH manifest
1066         if self._downloader.params.get('youtube_include_dash_manifest', True):
1067             dash_mpd = video_info.get('dashmpd')
1068             if dash_mpd:
1069                 dash_manifest_url = dash_mpd[0]
1070                 try:
1071                     dash_formats = self._parse_dash_manifest(
1072                         video_id, dash_manifest_url, player_url, age_gate)
1073                 except (ExtractorError, KeyError) as e:
1074                     self.report_warning(
1075                         'Skipping DASH manifest: %r' % e, video_id)
1076                 else:
1077                     # Hide the formats we found through non-DASH
1078                     dash_keys = set(df['format_id'] for df in dash_formats)
1079                     for f in formats:
1080                         if f['format_id'] in dash_keys:
1081                             f['format_id'] = 'nondash-%s' % f['format_id']
1082                             f['preference'] = f.get('preference', 0) - 10000
1083                     formats.extend(dash_formats)
1084
1085         # Check for malformed aspect ratio
1086         stretched_m = re.search(
1087             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
1088             video_webpage)
1089         if stretched_m:
1090             ratio = float(stretched_m.group('w')) / float(stretched_m.group('h'))
1091             for f in formats:
1092                 if f.get('vcodec') != 'none':
1093                     f['stretched_ratio'] = ratio
1094
1095         self._sort_formats(formats)
1096
1097         return {
1098             'id': video_id,
1099             'uploader': video_uploader,
1100             'uploader_id': video_uploader_id,
1101             'upload_date': upload_date,
1102             'title': video_title,
1103             'thumbnail': video_thumbnail,
1104             'description': video_description,
1105             'categories': video_categories,
1106             'subtitles': video_subtitles,
1107             'duration': video_duration,
1108             'age_limit': 18 if age_gate else 0,
1109             'annotations': video_annotations,
1110             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
1111             'view_count': view_count,
1112             'like_count': like_count,
1113             'dislike_count': dislike_count,
1114             'formats': formats,
1115         }
1116
1117
1118 class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
1119     IE_DESC = 'YouTube.com playlists'
1120     _VALID_URL = r"""(?x)(?:
1121                         (?:https?://)?
1122                         (?:\w+\.)?
1123                         youtube\.com/
1124                         (?:
1125                            (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/videoseries)
1126                            \? (?:.*?&)*? (?:p|a|list)=
1127                         |  p/
1128                         )
1129                         (
1130                             (?:PL|LL|EC|UU|FL|RD)?[0-9A-Za-z-_]{10,}
1131                             # Top tracks, they can also include dots
1132                             |(?:MC)[\w\.]*
1133                         )
1134                         .*
1135                      |
1136                         ((?:PL|LL|EC|UU|FL|RD)[0-9A-Za-z-_]{10,})
1137                      )"""
1138     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
1139     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&amp;[^"]*?index=(?P<index>\d+)'
1140     IE_NAME = 'youtube:playlist'
1141     _TESTS = [{
1142         'url': 'https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
1143         'info_dict': {
1144             'title': 'ytdl test PL',
1145             'id': 'PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
1146         },
1147         'playlist_count': 3,
1148     }, {
1149         'url': 'https://www.youtube.com/playlist?list=PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
1150         'info_dict': {
1151             'title': 'YDL_Empty_List',
1152         },
1153         'playlist_count': 0,
1154     }, {
1155         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
1156         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
1157         'info_dict': {
1158             'title': '29C3: Not my department',
1159         },
1160         'playlist_count': 95,
1161     }, {
1162         'note': 'issue #673',
1163         'url': 'PLBB231211A4F62143',
1164         'info_dict': {
1165             'title': '[OLD]Team Fortress 2 (Class-based LP)',
1166         },
1167         'playlist_mincount': 26,
1168     }, {
1169         'note': 'Large playlist',
1170         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
1171         'info_dict': {
1172             'title': 'Uploads from Cauchemar',
1173         },
1174         'playlist_mincount': 799,
1175     }, {
1176         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
1177         'info_dict': {
1178             'title': 'YDL_safe_search',
1179         },
1180         'playlist_count': 2,
1181     }, {
1182         'note': 'embedded',
1183         'url': 'http://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
1184         'playlist_count': 4,
1185         'info_dict': {
1186             'title': 'JODA15',
1187         }
1188     }, {
1189         'note': 'Embedded SWF player',
1190         'url': 'http://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
1191         'playlist_count': 4,
1192         'info_dict': {
1193             'title': 'JODA7',
1194         }
1195     }, {
1196         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
1197         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
1198         'info_dict': {
1199                 'title': 'Uploads from Interstellar Movie',
1200         },
1201         'playlist_mincout': 21,
1202     }]
1203
1204     def _real_initialize(self):
1205         self._login()
1206
1207     def _ids_to_results(self, ids):
1208         return [
1209             self.url_result(vid_id, 'Youtube', video_id=vid_id)
1210             for vid_id in ids]
1211
1212     def _extract_mix(self, playlist_id):
1213         # The mixes are generated from a a single video
1214         # the id of the playlist is just 'RD' + video_id
1215         url = 'https://youtube.com/watch?v=%s&list=%s' % (playlist_id[-11:], playlist_id)
1216         webpage = self._download_webpage(
1217             url, playlist_id, 'Downloading Youtube mix')
1218         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
1219         title_span = (
1220             search_title('playlist-title') or
1221             search_title('title long-title') or
1222             search_title('title'))
1223         title = clean_html(title_span)
1224         ids = orderedSet(re.findall(
1225             r'''(?xs)data-video-username=".*?".*?
1226                        href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
1227             webpage))
1228         url_results = self._ids_to_results(ids)
1229
1230         return self.playlist_result(url_results, playlist_id, title)
1231
1232     def _real_extract(self, url):
1233         # Extract playlist id
1234         mobj = re.match(self._VALID_URL, url)
1235         if mobj is None:
1236             raise ExtractorError('Invalid URL: %s' % url)
1237         playlist_id = mobj.group(1) or mobj.group(2)
1238
1239         # Check if it's a video-specific URL
1240         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
1241         if 'v' in query_dict:
1242             video_id = query_dict['v'][0]
1243             if self._downloader.params.get('noplaylist'):
1244                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1245                 return self.url_result(video_id, 'Youtube', video_id=video_id)
1246             else:
1247                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
1248
1249         if playlist_id.startswith('RD'):
1250             # Mixes require a custom extraction process
1251             return self._extract_mix(playlist_id)
1252
1253         url = self._TEMPLATE_URL % playlist_id
1254         page = self._download_webpage(url, playlist_id)
1255         more_widget_html = content_html = page
1256
1257         # Check if the playlist exists or is private
1258         if re.search(r'<div class="yt-alert-message">[^<]*?(The|This) playlist (does not exist|is private)[^<]*?</div>', page) is not None:
1259             raise ExtractorError(
1260                 'The playlist doesn\'t exist or is private, use --username or '
1261                 '--netrc to access it.',
1262                 expected=True)
1263
1264         # Extract the video ids from the playlist pages
1265         ids = []
1266
1267         for page_num in itertools.count(1):
1268             matches = re.finditer(self._VIDEO_RE, content_html)
1269             # We remove the duplicates and the link with index 0
1270             # (it's not the first video of the playlist)
1271             new_ids = orderedSet(m.group('id') for m in matches if m.group('index') != '0')
1272             ids.extend(new_ids)
1273
1274             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
1275             if not mobj:
1276                 break
1277
1278             more = self._download_json(
1279                 'https://youtube.com/%s' % mobj.group('more'), playlist_id,
1280                 'Downloading page #%s' % page_num,
1281                 transform_source=uppercase_escape)
1282             content_html = more['content_html']
1283             if not content_html.strip():
1284                 # Some webpages show a "Load more" button but they don't
1285                 # have more videos
1286                 break
1287             more_widget_html = more['load_more_widget_html']
1288
1289         playlist_title = self._html_search_regex(
1290             r'(?s)<h1 class="pl-header-title[^"]*">\s*(.*?)\s*</h1>',
1291             page, 'title')
1292
1293         url_results = self._ids_to_results(ids)
1294         return self.playlist_result(url_results, playlist_id, playlist_title)
1295
1296
1297 class YoutubeChannelIE(InfoExtractor):
1298     IE_DESC = 'YouTube.com channels'
1299     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/(?P<id>[0-9A-Za-z_-]+)'
1300     IE_NAME = 'youtube:channel'
1301     _TESTS = [{
1302         'note': 'paginated channel',
1303         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
1304         'playlist_mincount': 91,
1305     }]
1306
1307     def extract_videos_from_page(self, page):
1308         ids_in_page = []
1309         for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
1310             if mobj.group(1) not in ids_in_page:
1311                 ids_in_page.append(mobj.group(1))
1312         return ids_in_page
1313
1314     def _real_extract(self, url):
1315         channel_id = self._match_id(url)
1316
1317         video_ids = []
1318         url = 'https://www.youtube.com/channel/%s/videos' % channel_id
1319         channel_page = self._download_webpage(url, channel_id)
1320         autogenerated = re.search(r'''(?x)
1321                 class="[^"]*?(?:
1322                     channel-header-autogenerated-label|
1323                     yt-channel-title-autogenerated
1324                 )[^"]*"''', channel_page) is not None
1325
1326         if autogenerated:
1327             # The videos are contained in a single page
1328             # the ajax pages can't be used, they are empty
1329             video_ids = self.extract_videos_from_page(channel_page)
1330             entries = [
1331                 self.url_result(video_id, 'Youtube', video_id=video_id)
1332                 for video_id in video_ids]
1333             return self.playlist_result(entries, channel_id)
1334
1335         def _entries():
1336             more_widget_html = content_html = channel_page
1337             for pagenum in itertools.count(1):
1338
1339                 ids_in_page = self.extract_videos_from_page(content_html)
1340                 for video_id in ids_in_page:
1341                     yield self.url_result(
1342                         video_id, 'Youtube', video_id=video_id)
1343
1344                 mobj = re.search(
1345                     r'data-uix-load-more-href="/?(?P<more>[^"]+)"',
1346                     more_widget_html)
1347                 if not mobj:
1348                     break
1349
1350                 more = self._download_json(
1351                     'https://youtube.com/%s' % mobj.group('more'), channel_id,
1352                     'Downloading page #%s' % (pagenum + 1),
1353                     transform_source=uppercase_escape)
1354                 content_html = more['content_html']
1355                 more_widget_html = more['load_more_widget_html']
1356
1357         return self.playlist_result(_entries(), channel_id)
1358
1359
1360 class YoutubeUserIE(InfoExtractor):
1361     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
1362     _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?(?!(?:attribution_link|watch|results)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)(?P<id>[A-Za-z0-9_-]+)'
1363     _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/users/%s'
1364     _GDATA_PAGE_SIZE = 50
1365     _GDATA_URL = 'https://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
1366     IE_NAME = 'youtube:user'
1367
1368     _TESTS = [{
1369         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
1370         'playlist_mincount': 320,
1371         'info_dict': {
1372             'title': 'TheLinuxFoundation',
1373         }
1374     }, {
1375         'url': 'ytuser:phihag',
1376         'only_matching': True,
1377     }]
1378
1379     @classmethod
1380     def suitable(cls, url):
1381         # Don't return True if the url can be extracted with other youtube
1382         # extractor, the regex would is too permissive and it would match.
1383         other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
1384         if any(ie.suitable(url) for ie in other_ies):
1385             return False
1386         else:
1387             return super(YoutubeUserIE, cls).suitable(url)
1388
1389     def _real_extract(self, url):
1390         username = self._match_id(url)
1391
1392         # Download video ids using YouTube Data API. Result size per
1393         # query is limited (currently to 50 videos) so we need to query
1394         # page by page until there are no video ids - it means we got
1395         # all of them.
1396
1397         def download_page(pagenum):
1398             start_index = pagenum * self._GDATA_PAGE_SIZE + 1
1399
1400             gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
1401             page = self._download_webpage(
1402                 gdata_url, username,
1403                 'Downloading video ids from %d to %d' % (
1404                     start_index, start_index + self._GDATA_PAGE_SIZE))
1405
1406             try:
1407                 response = json.loads(page)
1408             except ValueError as err:
1409                 raise ExtractorError('Invalid JSON in API response: ' + compat_str(err))
1410             if 'entry' not in response['feed']:
1411                 return
1412
1413             # Extract video identifiers
1414             entries = response['feed']['entry']
1415             for entry in entries:
1416                 title = entry['title']['$t']
1417                 video_id = entry['id']['$t'].split('/')[-1]
1418                 yield {
1419                     '_type': 'url',
1420                     'url': video_id,
1421                     'ie_key': 'Youtube',
1422                     'id': video_id,
1423                     'title': title,
1424                 }
1425         url_results = OnDemandPagedList(download_page, self._GDATA_PAGE_SIZE)
1426
1427         return self.playlist_result(url_results, playlist_title=username)
1428
1429
1430 class YoutubeSearchIE(SearchInfoExtractor):
1431     IE_DESC = 'YouTube.com searches'
1432     _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1433     _MAX_RESULTS = 1000
1434     IE_NAME = 'youtube:search'
1435     _SEARCH_KEY = 'ytsearch'
1436
1437     def _get_n_results(self, query, n):
1438         """Get a specified number of results for a query"""
1439
1440         video_ids = []
1441         pagenum = 0
1442         limit = n
1443         PAGE_SIZE = 50
1444
1445         while (PAGE_SIZE * pagenum) < limit:
1446             result_url = self._API_URL % (
1447                 compat_urllib_parse.quote_plus(query.encode('utf-8')),
1448                 (PAGE_SIZE * pagenum) + 1)
1449             data_json = self._download_webpage(
1450                 result_url, video_id='query "%s"' % query,
1451                 note='Downloading page %s' % (pagenum + 1),
1452                 errnote='Unable to download API page')
1453             data = json.loads(data_json)
1454             api_response = data['data']
1455
1456             if 'items' not in api_response:
1457                 raise ExtractorError(
1458                     '[youtube] No video results', expected=True)
1459
1460             new_ids = list(video['id'] for video in api_response['items'])
1461             video_ids += new_ids
1462
1463             limit = min(n, api_response['totalItems'])
1464             pagenum += 1
1465
1466         if len(video_ids) > n:
1467             video_ids = video_ids[:n]
1468         videos = [self.url_result(video_id, 'Youtube', video_id=video_id)
1469                   for video_id in video_ids]
1470         return self.playlist_result(videos, query)
1471
1472
1473 class YoutubeSearchDateIE(YoutubeSearchIE):
1474     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
1475     _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc&orderby=published'
1476     _SEARCH_KEY = 'ytsearchdate'
1477     IE_DESC = 'YouTube.com searches, newest videos first'
1478
1479
1480 class YoutubeSearchURLIE(InfoExtractor):
1481     IE_DESC = 'YouTube.com search URLs'
1482     IE_NAME = 'youtube:search_url'
1483     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?search_query=(?P<query>[^&]+)(?:[&]|$)'
1484     _TESTS = [{
1485         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
1486         'playlist_mincount': 5,
1487         'info_dict': {
1488             'title': 'youtube-dl test video',
1489         }
1490     }]
1491
1492     def _real_extract(self, url):
1493         mobj = re.match(self._VALID_URL, url)
1494         query = compat_urllib_parse.unquote_plus(mobj.group('query'))
1495
1496         webpage = self._download_webpage(url, query)
1497         result_code = self._search_regex(
1498             r'(?s)<ol class="item-section"(.*?)</ol>', webpage, 'result HTML')
1499
1500         part_codes = re.findall(
1501             r'(?s)<h3 class="yt-lockup-title">(.*?)</h3>', result_code)
1502         entries = []
1503         for part_code in part_codes:
1504             part_title = self._html_search_regex(
1505                 [r'(?s)title="([^"]+)"', r'>([^<]+)</a>'], part_code, 'item title', fatal=False)
1506             part_url_snippet = self._html_search_regex(
1507                 r'(?s)href="([^"]+)"', part_code, 'item URL')
1508             part_url = compat_urlparse.urljoin(
1509                 'https://www.youtube.com/', part_url_snippet)
1510             entries.append({
1511                 '_type': 'url',
1512                 'url': part_url,
1513                 'title': part_title,
1514             })
1515
1516         return {
1517             '_type': 'playlist',
1518             'entries': entries,
1519             'title': query,
1520         }
1521
1522
1523 class YoutubeShowIE(InfoExtractor):
1524     IE_DESC = 'YouTube.com (multi-season) shows'
1525     _VALID_URL = r'https?://www\.youtube\.com/show/(?P<id>[^?#]*)'
1526     IE_NAME = 'youtube:show'
1527     _TESTS = [{
1528         'url': 'http://www.youtube.com/show/airdisasters',
1529         'playlist_mincount': 3,
1530         'info_dict': {
1531             'id': 'airdisasters',
1532             'title': 'Air Disasters',
1533         }
1534     }]
1535
1536     def _real_extract(self, url):
1537         mobj = re.match(self._VALID_URL, url)
1538         playlist_id = mobj.group('id')
1539         webpage = self._download_webpage(
1540             url, playlist_id, 'Downloading show webpage')
1541         # There's one playlist for each season of the show
1542         m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
1543         self.to_screen('%s: Found %s seasons' % (playlist_id, len(m_seasons)))
1544         entries = [
1545             self.url_result(
1546                 'https://www.youtube.com' + season.group(1), 'YoutubePlaylist')
1547             for season in m_seasons
1548         ]
1549         title = self._og_search_title(webpage, fatal=False)
1550
1551         return {
1552             '_type': 'playlist',
1553             'id': playlist_id,
1554             'title': title,
1555             'entries': entries,
1556         }
1557
1558
1559 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
1560     """
1561     Base class for extractors that fetch info from
1562     http://www.youtube.com/feed_ajax
1563     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1564     """
1565     _LOGIN_REQUIRED = True
1566     # use action_load_personal_feed instead of action_load_system_feed
1567     _PERSONAL_FEED = False
1568
1569     @property
1570     def _FEED_TEMPLATE(self):
1571         action = 'action_load_system_feed'
1572         if self._PERSONAL_FEED:
1573             action = 'action_load_personal_feed'
1574         return 'https://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
1575
1576     @property
1577     def IE_NAME(self):
1578         return 'youtube:%s' % self._FEED_NAME
1579
1580     def _real_initialize(self):
1581         self._login()
1582
1583     def _real_extract(self, url):
1584         feed_entries = []
1585         paging = 0
1586         for i in itertools.count(1):
1587             info = self._download_json(
1588                 self._FEED_TEMPLATE % paging,
1589                 '%s feed' % self._FEED_NAME,
1590                 'Downloading page %s' % i,
1591                 transform_source=uppercase_escape)
1592             feed_html = info.get('feed_html') or info.get('content_html')
1593             load_more_widget_html = info.get('load_more_widget_html') or feed_html
1594             m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
1595             ids = orderedSet(m.group(1) for m in m_ids)
1596             feed_entries.extend(
1597                 self.url_result(video_id, 'Youtube', video_id=video_id)
1598                 for video_id in ids)
1599             mobj = re.search(
1600                 r'data-uix-load-more-href="/?[^"]+paging=(?P<paging>\d+)',
1601                 load_more_widget_html)
1602             if mobj is None:
1603                 break
1604             paging = mobj.group('paging')
1605         return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
1606
1607
1608 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
1609     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
1610     _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
1611     _FEED_NAME = 'recommended'
1612     _PLAYLIST_TITLE = 'Youtube Recommended videos'
1613
1614
1615 class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor):
1616     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
1617     _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
1618     _FEED_NAME = 'watch_later'
1619     _PLAYLIST_TITLE = 'Youtube Watch Later'
1620     _PERSONAL_FEED = True
1621
1622
1623 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
1624     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
1625     _VALID_URL = 'https?://www\.youtube\.com/feed/history|:ythistory'
1626     _FEED_NAME = 'history'
1627     _PERSONAL_FEED = True
1628     _PLAYLIST_TITLE = 'Youtube Watch History'
1629
1630
1631 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
1632     IE_NAME = 'youtube:favorites'
1633     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
1634     _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
1635     _LOGIN_REQUIRED = True
1636
1637     def _real_extract(self, url):
1638         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1639         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
1640         return self.url_result(playlist_id, 'YoutubePlaylist')
1641
1642
1643 class YoutubeSubscriptionsIE(YoutubePlaylistIE):
1644     IE_NAME = 'youtube:subscriptions'
1645     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
1646     _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
1647     _TESTS = []
1648
1649     def _real_extract(self, url):
1650         title = 'Youtube Subscriptions'
1651         page = self._download_webpage('https://www.youtube.com/feed/subscriptions', title)
1652
1653         # The extraction process is the same as for playlists, but the regex
1654         # for the video ids doesn't contain an index
1655         ids = []
1656         more_widget_html = content_html = page
1657
1658         for page_num in itertools.count(1):
1659             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
1660             new_ids = orderedSet(matches)
1661             ids.extend(new_ids)
1662
1663             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
1664             if not mobj:
1665                 break
1666
1667             more = self._download_json(
1668                 'https://youtube.com/%s' % mobj.group('more'), title,
1669                 'Downloading page #%s' % page_num,
1670                 transform_source=uppercase_escape)
1671             content_html = more['content_html']
1672             more_widget_html = more['load_more_widget_html']
1673
1674         return {
1675             '_type': 'playlist',
1676             'title': title,
1677             'entries': self._ids_to_results(ids),
1678         }
1679
1680
1681 class YoutubeTruncatedURLIE(InfoExtractor):
1682     IE_NAME = 'youtube:truncated_url'
1683     IE_DESC = False  # Do not list
1684     _VALID_URL = r'''(?x)
1685         (?:https?://)?[^/]+/watch\?(?:
1686             feature=[a-z_]+|
1687             annotation_id=annotation_[^&]+
1688         )?$|
1689         (?:https?://)?(?:www\.)?youtube\.com/attribution_link\?a=[^&]+$
1690     '''
1691
1692     _TESTS = [{
1693         'url': 'http://www.youtube.com/watch?annotation_id=annotation_3951667041',
1694         'only_matching': True,
1695     }, {
1696         'url': 'http://www.youtube.com/watch?',
1697         'only_matching': True,
1698     }]
1699
1700     def _real_extract(self, url):
1701         raise ExtractorError(
1702             'Did you forget to quote the URL? Remember that & is a meta '
1703             'character in most shells, so you want to put the URL in quotes, '
1704             'like  youtube-dl '
1705             '"http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
1706             ' or simply  youtube-dl BaW_jenozKc  .',
1707             expected=True)
1708
1709
1710 class YoutubeTruncatedIDIE(InfoExtractor):
1711     IE_NAME = 'youtube:truncated_id'
1712     IE_DESC = False  # Do not list
1713     _VALID_URL = r'https?://(?:www\.)youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
1714
1715     _TESTS = [{
1716         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
1717         'only_matching': True,
1718     }]
1719
1720     def _real_extract(self, url):
1721         video_id = self._match_id(url)
1722         raise ExtractorError(
1723             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
1724             expected=True)