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 ..jsinterp import JSInterpreter
  15 from ..swfinterp import SWFInterpreter
  16 from ..compat import (
  17     compat_chr,
  18     compat_parse_qs,
  19     compat_urllib_parse,
  20     compat_urllib_request,
  21     compat_urlparse,
  22     compat_str,
  23 )
  24 from ..utils import (
  25     clean_html,
  26     ExtractorError,
  27     float_or_none,
  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):
 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, 'container': 'm4a_dash'},
 268         '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 128, 'preference': -50, 'container': 'm4a_dash'},
 269         '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 256, 'preference': -50, 'container': 'm4a_dash'},
 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         download_note = (
 544             'Downloading player %s' % player_url
 545             if self._downloader.params.get('verbose') else
 546             'Downloading %s player %s' % (player_type, player_id)
 547         )
 548         if player_type == 'js':
 549             code = self._download_webpage(
 550                 player_url, video_id,
 551                 note=download_note,
 552                 errnote='Download of %s failed' % player_url)
 553             res = self._parse_sig_js(code)
 554         elif player_type == 'swf':
 555             urlh = self._request_webpage(
 556                 player_url, video_id,
 557                 note=download_note,
 558                 errnote='Download of %s failed' % player_url)
 559             code = urlh.read()
 560             res = self._parse_sig_swf(code)
 561         else:
 562             assert False, 'Invalid player type %r' % player_type
 563
 564         test_string = ''.join(map(compat_chr, range(len(example_sig))))
 565         cache_res = res(test_string)
 566         cache_spec = [ord(c) for c in cache_res]
 567
 568         self._downloader.cache.store('youtube-sigfuncs', func_id, cache_spec)
 569         return res
 570
 571     def _print_sig_code(self, func, example_sig):
 572         def gen_sig_code(idxs):
 573             def _genslice(start, end, step):
 574                 starts = '' if start == 0 else str(start)
 575                 ends = (':%d' % (end + step)) if end + step >= 0 else ':'
 576                 steps = '' if step == 1 else (':%d' % step)
 577                 return 's[%s%s%s]' % (starts, ends, steps)
 578
 579             step = None
 580             # Quelch pyflakes warnings - start will be set when step is set
 581             start = '(Never used)'
 582             for i, prev in zip(idxs[1:], idxs[:-1]):
 583                 if step is not None:
 584                     if i - prev == step:
 585                         continue
 586                     yield _genslice(start, prev, step)
 587                     step = None
 588                     continue
 589                 if i - prev in [-1, 1]:
 590                     step = i - prev
 591                     start = prev
 592                     continue
 593                 else:
 594                     yield 's[%d]' % prev
 595             if step is None:
 596                 yield 's[%d]' % i
 597             else:
 598                 yield _genslice(start, i, step)
 599
 600         test_string = ''.join(map(compat_chr, range(len(example_sig))))
 601         cache_res = func(test_string)
 602         cache_spec = [ord(c) for c in cache_res]
 603         expr_code = ' + '.join(gen_sig_code(cache_spec))
 604         signature_id_tuple = '(%s)' % (
 605             ', '.join(compat_str(len(p)) for p in example_sig.split('.')))
 606         code = ('if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
 607                 '    return %s\n') % (signature_id_tuple, expr_code)
 608         self.to_screen('Extracted signature function:\n' + code)
 609
 610     def _parse_sig_js(self, jscode):
 611         funcname = self._search_regex(
 612             r'\.sig\|\|([a-zA-Z0-9$]+)\(', jscode,
 613             'Initial JS player signature function name')
 614
 615         jsi = JSInterpreter(jscode)
 616         initial_function = jsi.extract_function(funcname)
 617         return lambda s: initial_function([s])
 618
 619     def _parse_sig_swf(self, file_contents):
 620         swfi = SWFInterpreter(file_contents)
 621         TARGET_CLASSNAME = 'SignatureDecipher'
 622         searched_class = swfi.extract_class(TARGET_CLASSNAME)
 623         initial_function = swfi.extract_function(searched_class, 'decipher')
 624         return lambda s: initial_function([s])
 625
 626     def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
 627         """Turn the encrypted s field into a working signature"""
 628
 629         if player_url is None:
 630             raise ExtractorError('Cannot decrypt signature without player_url')
 631
 632         if player_url.startswith('//'):
 633             player_url = 'https:' + player_url
 634         try:
 635             player_id = (player_url, self._signature_cache_id(s))
 636             if player_id not in self._player_cache:
 637                 func = self._extract_signature_function(
 638                     video_id, player_url, s
 639                 )
 640                 self._player_cache[player_id] = func
 641             func = self._player_cache[player_id]
 642             if self._downloader.params.get('youtube_print_sig_code'):
 643                 self._print_sig_code(func, s)
 644             return func(s)
 645         except Exception as e:
 646             tb = traceback.format_exc()
 647             raise ExtractorError(
 648                 'Signature extraction failed: ' + tb, cause=e)
 649
 650     def _get_subtitles(self, video_id, webpage):
 651         try:
 652             subs_doc = self._download_xml(
 653                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
 654                 video_id, note=False)
 655         except ExtractorError as err:
 656             self._downloader.report_warning('unable to download video subtitles: %s' % compat_str(err))
 657             return {}
 658
 659         sub_lang_list = {}
 660         for track in subs_doc.findall('track'):
 661             lang = track.attrib['lang_code']
 662             if lang in sub_lang_list:
 663                 continue
 664             sub_formats = []
 665             for ext in ['sbv', 'vtt', 'srt']:
 666                 params = compat_urllib_parse.urlencode({
 667                     'lang': lang,
 668                     'v': video_id,
 669                     'fmt': ext,
 670                     'name': track.attrib['name'].encode('utf-8'),
 671                 })
 672                 sub_formats.append({
 673                     'url': 'https://www.youtube.com/api/timedtext?' + params,
 674                     'ext': ext,
 675                 })
 676             sub_lang_list[lang] = sub_formats
 677         if not sub_lang_list:
 678             self._downloader.report_warning('video doesn\'t have subtitles')
 679             return {}
 680         return sub_lang_list
 681
 682     def _get_automatic_captions(self, video_id, webpage):
 683         """We need the webpage for getting the captions url, pass it as an
 684            argument to speed up the process."""
 685         self.to_screen('%s: Looking for automatic captions' % video_id)
 686         mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
 687         err_msg = 'Couldn\'t find automatic captions for %s' % video_id
 688         if mobj is None:
 689             self._downloader.report_warning(err_msg)
 690             return {}
 691         player_config = json.loads(mobj.group(1))
 692         try:
 693             args = player_config['args']
 694             caption_url = args['ttsurl']
 695             timestamp = args['timestamp']
 696             # We get the available subtitles
 697             list_params = compat_urllib_parse.urlencode({
 698                 'type': 'list',
 699                 'tlangs': 1,
 700                 'asrs': 1,
 701             })
 702             list_url = caption_url + '&' + list_params
 703             caption_list = self._download_xml(list_url, video_id)
 704             original_lang_node = caption_list.find('track')
 705             if original_lang_node is None:
 706                 self._downloader.report_warning('Video doesn\'t have automatic captions')
 707                 return {}
 708             original_lang = original_lang_node.attrib['lang_code']
 709             caption_kind = original_lang_node.attrib.get('kind', '')
 710
 711             sub_lang_list = {}
 712             for lang_node in caption_list.findall('target'):
 713                 sub_lang = lang_node.attrib['lang_code']
 714                 sub_formats = []
 715                 for ext in ['sbv', 'vtt', 'srt']:
 716                     params = compat_urllib_parse.urlencode({
 717                         'lang': original_lang,
 718                         'tlang': sub_lang,
 719                         'fmt': ext,
 720                         'ts': timestamp,
 721                         'kind': caption_kind,
 722                     })
 723                     sub_formats.append({
 724                         'url': caption_url + '&' + params,
 725                         'ext': ext,
 726                     })
 727                 sub_lang_list[sub_lang] = sub_formats
 728             return sub_lang_list
 729         # An extractor error can be raise by the download process if there are
 730         # no automatic captions but there are subtitles
 731         except (KeyError, ExtractorError):
 732             self._downloader.report_warning(err_msg)
 733             return {}
 734
 735     @classmethod
 736     def extract_id(cls, url):
 737         mobj = re.match(cls._VALID_URL, url, re.VERBOSE)
 738         if mobj is None:
 739             raise ExtractorError('Invalid URL: %s' % url)
 740         video_id = mobj.group(2)
 741         return video_id
 742
 743     def _extract_from_m3u8(self, manifest_url, video_id):
 744         url_map = {}
 745
 746         def _get_urls(_manifest):
 747             lines = _manifest.split('\n')
 748             urls = filter(lambda l: l and not l.startswith('#'),
 749                           lines)
 750             return urls
 751         manifest = self._download_webpage(manifest_url, video_id, 'Downloading formats manifest')
 752         formats_urls = _get_urls(manifest)
 753         for format_url in formats_urls:
 754             itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
 755             url_map[itag] = format_url
 756         return url_map
 757
 758     def _extract_annotations(self, video_id):
 759         url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
 760         return self._download_webpage(url, video_id, note='Searching for annotations.', errnote='Unable to download video annotations.')
 761
 762     def _parse_dash_manifest(
 763             self, video_id, dash_manifest_url, player_url, age_gate):
 764         def decrypt_sig(mobj):
 765             s = mobj.group(1)
 766             dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
 767             return '/signature/%s' % dec_s
 768         dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url)
 769         dash_doc = self._download_xml(
 770             dash_manifest_url, video_id,
 771             note='Downloading DASH manifest',
 772             errnote='Could not download DASH manifest')
 773
 774         formats = []
 775         for r in dash_doc.findall('.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):
 776             url_el = r.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL')
 777             if url_el is None:
 778                 continue
 779             format_id = r.attrib['id']
 780             video_url = url_el.text
 781             filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength'))
 782             f = {
 783                 'format_id': format_id,
 784                 'url': video_url,
 785                 'width': int_or_none(r.attrib.get('width')),
 786                 'height': int_or_none(r.attrib.get('height')),
 787                 'tbr': int_or_none(r.attrib.get('bandwidth'), 1000),
 788                 'asr': int_or_none(r.attrib.get('audioSamplingRate')),
 789                 'filesize': filesize,
 790                 'fps': int_or_none(r.attrib.get('frameRate')),
 791             }
 792             try:
 793                 existing_format = next(
 794                     fo for fo in formats
 795                     if fo['format_id'] == format_id)
 796             except StopIteration:
 797                 full_info = self._formats.get(format_id, {}).copy()
 798                 full_info.update(f)
 799                 formats.append(full_info)
 800             else:
 801                 existing_format.update(f)
 802         return formats
 803
 804     def _real_extract(self, url):
 805         proto = (
 806             'http' if self._downloader.params.get('prefer_insecure', False)
 807             else 'https')
 808
 809         # Extract original video URL from URL with redirection, like age verification, using next_url parameter
 810         mobj = re.search(self._NEXT_URL_RE, url)
 811         if mobj:
 812             url = proto + '://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
 813         video_id = self.extract_id(url)
 814
 815         # Get video webpage
 816         url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1&bpctr=9999999999' % video_id
 817         video_webpage = self._download_webpage(url, video_id)
 818
 819         # Attempt to extract SWF player URL
 820         mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
 821         if mobj is not None:
 822             player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
 823         else:
 824             player_url = None
 825
 826         # Get video info
 827         embed_webpage = None
 828         if re.search(r'player-age-gate-content">', video_webpage) is not None:
 829             age_gate = True
 830             # We simulate the access to the video from www.youtube.com/v/{video_id}
 831             # this can be viewed without login into Youtube
 832             url = proto + '://www.youtube.com/embed/%s' % video_id
 833             embed_webpage = self._download_webpage(url, video_id, 'Downloading embed webpage')
 834             data = compat_urllib_parse.urlencode({
 835                 'video_id': video_id,
 836                 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
 837                 'sts': self._search_regex(
 838                     r'"sts"\s*:\s*(\d+)', embed_webpage, 'sts', default=''),
 839             })
 840             video_info_url = proto + '://www.youtube.com/get_video_info?' + data
 841             video_info_webpage = self._download_webpage(
 842                 video_info_url, video_id,
 843                 note='Refetching age-gated info webpage',
 844                 errnote='unable to download video info webpage')
 845             video_info = compat_parse_qs(video_info_webpage)
 846         else:
 847             age_gate = False
 848             try:
 849                 # Try looking directly into the video webpage
 850                 mobj = re.search(r';ytplayer\.config\s*=\s*({.*?});', video_webpage)
 851                 if not mobj:
 852                     raise ValueError('Could not find ytplayer.config')  # caught below
 853                 json_code = uppercase_escape(mobj.group(1))
 854                 ytplayer_config = json.loads(json_code)
 855                 args = ytplayer_config['args']
 856                 # Convert to the same format returned by compat_parse_qs
 857                 video_info = dict((k, [v]) for k, v in args.items())
 858                 if 'url_encoded_fmt_stream_map' not in args:
 859                     raise ValueError('No stream_map present')  # caught below
 860             except ValueError:
 861                 # We fallback to the get_video_info pages (used by the embed page)
 862                 self.report_video_info_webpage_download(video_id)
 863                 for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
 864                     video_info_url = (
 865                         '%s://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
 866                         % (proto, video_id, el_type))
 867                     video_info_webpage = self._download_webpage(
 868                         video_info_url,
 869                         video_id, note=False,
 870                         errnote='unable to download video info webpage')
 871                     video_info = compat_parse_qs(video_info_webpage)
 872                     if 'token' in video_info:
 873                         break
 874         if 'token' not in video_info:
 875             if 'reason' in video_info:
 876                 raise ExtractorError(
 877                     'YouTube said: %s' % video_info['reason'][0],
 878                     expected=True, video_id=video_id)
 879             else:
 880                 raise ExtractorError(
 881                     '"token" parameter not in video info for unknown reason',
 882                     video_id=video_id)
 883
 884         if 'view_count' in video_info:
 885             view_count = int(video_info['view_count'][0])
 886         else:
 887             view_count = None
 888
 889         # Check for "rental" videos
 890         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
 891             raise ExtractorError('"rental" videos not supported')
 892
 893         # Start extracting information
 894         self.report_information_extraction(video_id)
 895
 896         # uploader
 897         if 'author' not in video_info:
 898             raise ExtractorError('Unable to extract uploader name')
 899         video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
 900
 901         # uploader_id
 902         video_uploader_id = None
 903         mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
 904         if mobj is not None:
 905             video_uploader_id = mobj.group(1)
 906         else:
 907             self._downloader.report_warning('unable to extract uploader nickname')
 908
 909         # title
 910         if 'title' in video_info:
 911             video_title = video_info['title'][0]
 912         else:
 913             self._downloader.report_warning('Unable to extract video title')
 914             video_title = '_'
 915
 916         # thumbnail image
 917         # We try first to get a high quality image:
 918         m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
 919                             video_webpage, re.DOTALL)
 920         if m_thumb is not None:
 921             video_thumbnail = m_thumb.group(1)
 922         elif 'thumbnail_url' not in video_info:
 923             self._downloader.report_warning('unable to extract video thumbnail')
 924             video_thumbnail = None
 925         else:   # don't panic if we can't find it
 926             video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
 927
 928         # upload date
 929         upload_date = None
 930         mobj = re.search(r'(?s)id="eow-date.*?>(.*?)</span>', video_webpage)
 931         if mobj is None:
 932             mobj = re.search(
 933                 r'(?s)id="watch-uploader-info".*?>.*?(?:Published|Uploaded|Streamed live) on (.*?)</strong>',
 934                 video_webpage)
 935         if mobj is not None:
 936             upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
 937             upload_date = unified_strdate(upload_date)
 938
 939         m_cat_container = self._search_regex(
 940             r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
 941             video_webpage, 'categories', default=None)
 942         if m_cat_container:
 943             category = self._html_search_regex(
 944                 r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
 945                 default=None)
 946             video_categories = None if category is None else [category]
 947         else:
 948             video_categories = None
 949
 950         # description
 951         video_description = get_element_by_id("eow-description", video_webpage)
 952         if video_description:
 953             video_description = re.sub(r'''(?x)
 954                 <a\s+
 955                     (?:[a-zA-Z-]+="[^"]+"\s+)*?
 956                     title="([^"]+)"\s+
 957                     (?:[a-zA-Z-]+="[^"]+"\s+)*?
 958                     class="yt-uix-redirect-link"\s*>
 959                 [^<]+
 960                 </a>
 961             ''', r'\1', video_description)
 962             video_description = clean_html(video_description)
 963         else:
 964             fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
 965             if fd_mobj:
 966                 video_description = unescapeHTML(fd_mobj.group(1))
 967             else:
 968                 video_description = ''
 969
 970         def _extract_count(count_name):
 971             count = self._search_regex(
 972                 r'id="watch-%s"[^>]*>.*?([\d,]+)\s*</span>' % re.escape(count_name),
 973                 video_webpage, count_name, default=None)
 974             if count is not None:
 975                 return int(count.replace(',', ''))
 976             return None
 977         like_count = _extract_count('like')
 978         dislike_count = _extract_count('dislike')
 979
 980         # subtitles
 981         video_subtitles = self.extract_subtitles(video_id, video_webpage)
 982         automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
 983
 984         if 'length_seconds' not in video_info:
 985             self._downloader.report_warning('unable to extract video duration')
 986             video_duration = None
 987         else:
 988             video_duration = int(compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]))
 989
 990         # annotations
 991         video_annotations = None
 992         if self._downloader.params.get('writeannotations', False):
 993             video_annotations = self._extract_annotations(video_id)
 994
 995         def _map_to_format_list(urlmap):
 996             formats = []
 997             for itag, video_real_url in urlmap.items():
 998                 dct = {
 999                     'format_id': itag,
1000                     'url': video_real_url,
1001                     'player_url': player_url,
1002                 }
1003                 if itag in self._formats:
1004                     dct.update(self._formats[itag])
1005                 formats.append(dct)
1006             return formats
1007
1008         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1009             self.report_rtmp_download()
1010             formats = [{
1011                 'format_id': '_rtmp',
1012                 'protocol': 'rtmp',
1013                 'url': video_info['conn'][0],
1014                 'player_url': player_url,
1015             }]
1016         elif len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1:
1017             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
1018             if 'rtmpe%3Dyes' in encoded_url_map:
1019                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
1020             url_map = {}
1021             for url_data_str in encoded_url_map.split(','):
1022                 url_data = compat_parse_qs(url_data_str)
1023                 if 'itag' not in url_data or 'url' not in url_data:
1024                     continue
1025                 format_id = url_data['itag'][0]
1026                 url = url_data['url'][0]
1027
1028                 if 'sig' in url_data:
1029                     url += '&signature=' + url_data['sig'][0]
1030                 elif 's' in url_data:
1031                     encrypted_sig = url_data['s'][0]
1032                     ASSETS_RE = r'"assets":.+?"js":\s*("[^"]+")'
1033
1034                     jsplayer_url_json = self._search_regex(
1035                         ASSETS_RE,
1036                         embed_webpage if age_gate else video_webpage,
1037                         'JS player URL (1)', default=None)
1038                     if not jsplayer_url_json and not age_gate:
1039                         # We need the embed website after all
1040                         if embed_webpage is None:
1041                             embed_url = proto + '://www.youtube.com/embed/%s' % video_id
1042                             embed_webpage = self._download_webpage(
1043                                 embed_url, video_id, 'Downloading embed webpage')
1044                         jsplayer_url_json = self._search_regex(
1045                             ASSETS_RE, embed_webpage, 'JS player URL')
1046
1047                     player_url = json.loads(jsplayer_url_json)
1048                     if player_url is None:
1049                         player_url_json = self._search_regex(
1050                             r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
1051                             video_webpage, 'age gate player URL')
1052                         player_url = json.loads(player_url_json)
1053
1054                     if self._downloader.params.get('verbose'):
1055                         if player_url is None:
1056                             player_version = 'unknown'
1057                             player_desc = 'unknown'
1058                         else:
1059                             if player_url.endswith('swf'):
1060                                 player_version = self._search_regex(
1061                                     r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
1062                                     'flash player', fatal=False)
1063                                 player_desc = 'flash player %s' % player_version
1064                             else:
1065                                 player_version = self._search_regex(
1066                                     r'html5player-([^/]+?)(?:/html5player)?\.js',
1067                                     player_url,
1068                                     'html5 player', fatal=False)
1069                                 player_desc = 'html5 player %s' % player_version
1070
1071                         parts_sizes = self._signature_cache_id(encrypted_sig)
1072                         self.to_screen('{%s} signature length %s, %s' %
1073                                        (format_id, parts_sizes, player_desc))
1074
1075                     signature = self._decrypt_signature(
1076                         encrypted_sig, video_id, player_url, age_gate)
1077                     url += '&signature=' + signature
1078                 if 'ratebypass' not in url:
1079                     url += '&ratebypass=yes'
1080                 url_map[format_id] = url
1081             formats = _map_to_format_list(url_map)
1082         elif video_info.get('hlsvp'):
1083             manifest_url = video_info['hlsvp'][0]
1084             url_map = self._extract_from_m3u8(manifest_url, video_id)
1085             formats = _map_to_format_list(url_map)
1086         else:
1087             raise ExtractorError('no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
1088
1089         # Look for the DASH manifest
1090         if self._downloader.params.get('youtube_include_dash_manifest', True):
1091             dash_mpd = video_info.get('dashmpd')
1092             if dash_mpd:
1093                 dash_manifest_url = dash_mpd[0]
1094                 try:
1095                     dash_formats = self._parse_dash_manifest(
1096                         video_id, dash_manifest_url, player_url, age_gate)
1097                 except (ExtractorError, KeyError) as e:
1098                     self.report_warning(
1099                         'Skipping DASH manifest: %r' % e, video_id)
1100                 else:
1101                     # Hide the formats we found through non-DASH
1102                     dash_keys = set(df['format_id'] for df in dash_formats)
1103                     for f in formats:
1104                         if f['format_id'] in dash_keys:
1105                             f['format_id'] = 'nondash-%s' % f['format_id']
1106                             f['preference'] = f.get('preference', 0) - 10000
1107                     formats.extend(dash_formats)
1108
1109         # Check for malformed aspect ratio
1110         stretched_m = re.search(
1111             r'<meta\s+property="og:video:tag".*?content="yt:stretch=(?P<w>[0-9]+):(?P<h>[0-9]+)">',
1112             video_webpage)
1113         if stretched_m:
1114             ratio = float(stretched_m.group('w')) / float(stretched_m.group('h'))
1115             for f in formats:
1116                 if f.get('vcodec') != 'none':
1117                     f['stretched_ratio'] = ratio
1118
1119         self._sort_formats(formats)
1120
1121         return {
1122             'id': video_id,
1123             'uploader': video_uploader,
1124             'uploader_id': video_uploader_id,
1125             'upload_date': upload_date,
1126             'title': video_title,
1127             'thumbnail': video_thumbnail,
1128             'description': video_description,
1129             'categories': video_categories,
1130             'subtitles': video_subtitles,
1131             'automatic_captions': automatic_captions,
1132             'duration': video_duration,
1133             'age_limit': 18 if age_gate else 0,
1134             'annotations': video_annotations,
1135             'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
1136             'view_count': view_count,
1137             'like_count': like_count,
1138             'dislike_count': dislike_count,
1139             'average_rating': float_or_none(video_info.get('avg_rating', [None])[0]),
1140             'formats': formats,
1141         }
1142
1143
1144 class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
1145     IE_DESC = 'YouTube.com playlists'
1146     _VALID_URL = r"""(?x)(?:
1147                         (?:https?://)?
1148                         (?:\w+\.)?
1149                         youtube\.com/
1150                         (?:
1151                            (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/videoseries)
1152                            \? (?:.*?&)*? (?:p|a|list)=
1153                         |  p/
1154                         )
1155                         (
1156                             (?:PL|LL|EC|UU|FL|RD|UL)?[0-9A-Za-z-_]{10,}
1157                             # Top tracks, they can also include dots
1158                             |(?:MC)[\w\.]*
1159                         )
1160                         .*
1161                      |
1162                         ((?:PL|LL|EC|UU|FL|RD|UL)[0-9A-Za-z-_]{10,})
1163                      )"""
1164     _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
1165     _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&amp;[^"]*?index=(?P<index>\d+)'
1166     IE_NAME = 'youtube:playlist'
1167     _TESTS = [{
1168         'url': 'https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
1169         'info_dict': {
1170             'title': 'ytdl test PL',
1171             'id': 'PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re',
1172         },
1173         'playlist_count': 3,
1174     }, {
1175         'url': 'https://www.youtube.com/playlist?list=PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
1176         'info_dict': {
1177             'id': 'PLtPgu7CB4gbZDA7i_euNxn75ISqxwZPYx',
1178             'title': 'YDL_Empty_List',
1179         },
1180         'playlist_count': 0,
1181     }, {
1182         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
1183         'url': 'https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
1184         'info_dict': {
1185             'title': '29C3: Not my department',
1186             'id': 'PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC',
1187         },
1188         'playlist_count': 95,
1189     }, {
1190         'note': 'issue #673',
1191         'url': 'PLBB231211A4F62143',
1192         'info_dict': {
1193             'title': '[OLD]Team Fortress 2 (Class-based LP)',
1194             'id': 'PLBB231211A4F62143',
1195         },
1196         'playlist_mincount': 26,
1197     }, {
1198         'note': 'Large playlist',
1199         'url': 'https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q',
1200         'info_dict': {
1201             'title': 'Uploads from Cauchemar',
1202             'id': 'UUBABnxM4Ar9ten8Mdjj1j0Q',
1203         },
1204         'playlist_mincount': 799,
1205     }, {
1206         'url': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
1207         'info_dict': {
1208             'title': 'YDL_safe_search',
1209             'id': 'PLtPgu7CB4gbY9oDN3drwC3cMbJggS7dKl',
1210         },
1211         'playlist_count': 2,
1212     }, {
1213         'note': 'embedded',
1214         'url': 'http://www.youtube.com/embed/videoseries?list=PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
1215         'playlist_count': 4,
1216         'info_dict': {
1217             'title': 'JODA15',
1218             'id': 'PL6IaIsEjSbf96XFRuNccS_RuEXwNdsoEu',
1219         }
1220     }, {
1221         'note': 'Embedded SWF player',
1222         'url': 'http://www.youtube.com/p/YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ?hl=en_US&fs=1&rel=0',
1223         'playlist_count': 4,
1224         'info_dict': {
1225             'title': 'JODA7',
1226             'id': 'YN5VISEtHet5D4NEvfTd0zcgFk84NqFZ',
1227         }
1228     }, {
1229         'note': 'Buggy playlist: the webpage has a "Load more" button but it doesn\'t have more videos',
1230         'url': 'https://www.youtube.com/playlist?list=UUXw-G3eDE9trcvY2sBMM_aA',
1231         'info_dict': {
1232             'title': 'Uploads from Interstellar Movie',
1233             'id': 'UUXw-G3eDE9trcvY2sBMM_aA',
1234         },
1235         'playlist_mincout': 21,
1236     }]
1237
1238     def _real_initialize(self):
1239         self._login()
1240
1241     def _ids_to_results(self, ids):
1242         return [
1243             self.url_result(vid_id, 'Youtube', video_id=vid_id)
1244             for vid_id in ids]
1245
1246     def _extract_mix(self, playlist_id):
1247         # The mixes are generated from a single video
1248         # the id of the playlist is just 'RD' + video_id
1249         url = 'https://youtube.com/watch?v=%s&list=%s' % (playlist_id[-11:], playlist_id)
1250         webpage = self._download_webpage(
1251             url, playlist_id, 'Downloading Youtube mix')
1252         search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
1253         title_span = (
1254             search_title('playlist-title') or
1255             search_title('title long-title') or
1256             search_title('title'))
1257         title = clean_html(title_span)
1258         ids = orderedSet(re.findall(
1259             r'''(?xs)data-video-username=".*?".*?
1260                        href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
1261             webpage))
1262         url_results = self._ids_to_results(ids)
1263
1264         return self.playlist_result(url_results, playlist_id, title)
1265
1266     def _real_extract(self, url):
1267         # Extract playlist id
1268         mobj = re.match(self._VALID_URL, url)
1269         if mobj is None:
1270             raise ExtractorError('Invalid URL: %s' % url)
1271         playlist_id = mobj.group(1) or mobj.group(2)
1272
1273         # Check if it's a video-specific URL
1274         query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
1275         if 'v' in query_dict:
1276             video_id = query_dict['v'][0]
1277             if self._downloader.params.get('noplaylist'):
1278                 self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
1279                 return self.url_result(video_id, 'Youtube', video_id=video_id)
1280             else:
1281                 self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
1282
1283         if playlist_id.startswith('RD') or playlist_id.startswith('UL'):
1284             # Mixes require a custom extraction process
1285             return self._extract_mix(playlist_id)
1286
1287         url = self._TEMPLATE_URL % playlist_id
1288         page = self._download_webpage(url, playlist_id)
1289         more_widget_html = content_html = page
1290
1291         # Check if the playlist exists or is private
1292         if re.search(r'<div class="yt-alert-message">[^<]*?(The|This) playlist (does not exist|is private)[^<]*?</div>', page) is not None:
1293             raise ExtractorError(
1294                 'The playlist doesn\'t exist or is private, use --username or '
1295                 '--netrc to access it.',
1296                 expected=True)
1297
1298         # Extract the video ids from the playlist pages
1299         ids = []
1300
1301         for page_num in itertools.count(1):
1302             matches = re.finditer(self._VIDEO_RE, content_html)
1303             # We remove the duplicates and the link with index 0
1304             # (it's not the first video of the playlist)
1305             new_ids = orderedSet(m.group('id') for m in matches if m.group('index') != '0')
1306             ids.extend(new_ids)
1307
1308             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
1309             if not mobj:
1310                 break
1311
1312             more = self._download_json(
1313                 'https://youtube.com/%s' % mobj.group('more'), playlist_id,
1314                 'Downloading page #%s' % page_num,
1315                 transform_source=uppercase_escape)
1316             content_html = more['content_html']
1317             if not content_html.strip():
1318                 # Some webpages show a "Load more" button but they don't
1319                 # have more videos
1320                 break
1321             more_widget_html = more['load_more_widget_html']
1322
1323         playlist_title = self._html_search_regex(
1324             r'(?s)<h1 class="pl-header-title[^"]*">\s*(.*?)\s*</h1>',
1325             page, 'title')
1326
1327         url_results = self._ids_to_results(ids)
1328         return self.playlist_result(url_results, playlist_id, playlist_title)
1329
1330
1331 class YoutubeChannelIE(InfoExtractor):
1332     IE_DESC = 'YouTube.com channels'
1333     _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/(?P<id>[0-9A-Za-z_-]+)'
1334     IE_NAME = 'youtube:channel'
1335     _TESTS = [{
1336         'note': 'paginated channel',
1337         'url': 'https://www.youtube.com/channel/UCKfVa3S1e4PHvxWcwyMMg8w',
1338         'playlist_mincount': 91,
1339         'info_dict': {
1340             'id': 'UCKfVa3S1e4PHvxWcwyMMg8w',
1341         }
1342     }]
1343
1344     def extract_videos_from_page(self, page):
1345         ids_in_page = []
1346         for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
1347             if mobj.group(1) not in ids_in_page:
1348                 ids_in_page.append(mobj.group(1))
1349         return ids_in_page
1350
1351     def _real_extract(self, url):
1352         channel_id = self._match_id(url)
1353
1354         video_ids = []
1355         url = 'https://www.youtube.com/channel/%s/videos' % channel_id
1356         channel_page = self._download_webpage(url, channel_id)
1357         autogenerated = re.search(r'''(?x)
1358                 class="[^"]*?(?:
1359                     channel-header-autogenerated-label|
1360                     yt-channel-title-autogenerated
1361                 )[^"]*"''', channel_page) is not None
1362
1363         if autogenerated:
1364             # The videos are contained in a single page
1365             # the ajax pages can't be used, they are empty
1366             video_ids = self.extract_videos_from_page(channel_page)
1367             entries = [
1368                 self.url_result(video_id, 'Youtube', video_id=video_id)
1369                 for video_id in video_ids]
1370             return self.playlist_result(entries, channel_id)
1371
1372         def _entries():
1373             more_widget_html = content_html = channel_page
1374             for pagenum in itertools.count(1):
1375
1376                 ids_in_page = self.extract_videos_from_page(content_html)
1377                 for video_id in ids_in_page:
1378                     yield self.url_result(
1379                         video_id, 'Youtube', video_id=video_id)
1380
1381                 mobj = re.search(
1382                     r'data-uix-load-more-href="/?(?P<more>[^"]+)"',
1383                     more_widget_html)
1384                 if not mobj:
1385                     break
1386
1387                 more = self._download_json(
1388                     'https://youtube.com/%s' % mobj.group('more'), channel_id,
1389                     'Downloading page #%s' % (pagenum + 1),
1390                     transform_source=uppercase_escape)
1391                 content_html = more['content_html']
1392                 more_widget_html = more['load_more_widget_html']
1393
1394         return self.playlist_result(_entries(), channel_id)
1395
1396
1397 class YoutubeUserIE(InfoExtractor):
1398     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
1399     _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_-]+)'
1400     _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/users/%s'
1401     _GDATA_PAGE_SIZE = 50
1402     _GDATA_URL = 'https://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
1403     IE_NAME = 'youtube:user'
1404
1405     _TESTS = [{
1406         'url': 'https://www.youtube.com/user/TheLinuxFoundation',
1407         'playlist_mincount': 320,
1408         'info_dict': {
1409             'title': 'TheLinuxFoundation',
1410         }
1411     }, {
1412         'url': 'ytuser:phihag',
1413         'only_matching': True,
1414     }]
1415
1416     @classmethod
1417     def suitable(cls, url):
1418         # Don't return True if the url can be extracted with other youtube
1419         # extractor, the regex would is too permissive and it would match.
1420         other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
1421         if any(ie.suitable(url) for ie in other_ies):
1422             return False
1423         else:
1424             return super(YoutubeUserIE, cls).suitable(url)
1425
1426     def _real_extract(self, url):
1427         username = self._match_id(url)
1428
1429         # Download video ids using YouTube Data API. Result size per
1430         # query is limited (currently to 50 videos) so we need to query
1431         # page by page until there are no video ids - it means we got
1432         # all of them.
1433
1434         def download_page(pagenum):
1435             start_index = pagenum * self._GDATA_PAGE_SIZE + 1
1436
1437             gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
1438             page = self._download_webpage(
1439                 gdata_url, username,
1440                 'Downloading video ids from %d to %d' % (
1441                     start_index, start_index + self._GDATA_PAGE_SIZE))
1442
1443             try:
1444                 response = json.loads(page)
1445             except ValueError as err:
1446                 raise ExtractorError('Invalid JSON in API response: ' + compat_str(err))
1447             if 'entry' not in response['feed']:
1448                 return
1449
1450             # Extract video identifiers
1451             entries = response['feed']['entry']
1452             for entry in entries:
1453                 title = entry['title']['$t']
1454                 video_id = entry['id']['$t'].split('/')[-1]
1455                 yield {
1456                     '_type': 'url',
1457                     'url': video_id,
1458                     'ie_key': 'Youtube',
1459                     'id': video_id,
1460                     'title': title,
1461                 }
1462         url_results = OnDemandPagedList(download_page, self._GDATA_PAGE_SIZE)
1463
1464         return self.playlist_result(url_results, playlist_title=username)
1465
1466
1467 class YoutubeSearchIE(SearchInfoExtractor):
1468     IE_DESC = 'YouTube.com searches'
1469     _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1470     _MAX_RESULTS = 1000
1471     IE_NAME = 'youtube:search'
1472     _SEARCH_KEY = 'ytsearch'
1473
1474     def _get_n_results(self, query, n):
1475         """Get a specified number of results for a query"""
1476
1477         video_ids = []
1478         pagenum = 0
1479         limit = n
1480         PAGE_SIZE = 50
1481
1482         while (PAGE_SIZE * pagenum) < limit:
1483             result_url = self._API_URL % (
1484                 compat_urllib_parse.quote_plus(query.encode('utf-8')),
1485                 (PAGE_SIZE * pagenum) + 1)
1486             data_json = self._download_webpage(
1487                 result_url, video_id='query "%s"' % query,
1488                 note='Downloading page %s' % (pagenum + 1),
1489                 errnote='Unable to download API page')
1490             data = json.loads(data_json)
1491             api_response = data['data']
1492
1493             if 'items' not in api_response:
1494                 raise ExtractorError(
1495                     '[youtube] No video results', expected=True)
1496
1497             new_ids = list(video['id'] for video in api_response['items'])
1498             video_ids += new_ids
1499
1500             limit = min(n, api_response['totalItems'])
1501             pagenum += 1
1502
1503         if len(video_ids) > n:
1504             video_ids = video_ids[:n]
1505         videos = [self.url_result(video_id, 'Youtube', video_id=video_id)
1506                   for video_id in video_ids]
1507         return self.playlist_result(videos, query)
1508
1509
1510 class YoutubeSearchDateIE(YoutubeSearchIE):
1511     IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
1512     _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc&orderby=published'
1513     _SEARCH_KEY = 'ytsearchdate'
1514     IE_DESC = 'YouTube.com searches, newest videos first'
1515
1516
1517 class YoutubeSearchURLIE(InfoExtractor):
1518     IE_DESC = 'YouTube.com search URLs'
1519     IE_NAME = 'youtube:search_url'
1520     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?search_query=(?P<query>[^&]+)(?:[&]|$)'
1521     _TESTS = [{
1522         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
1523         'playlist_mincount': 5,
1524         'info_dict': {
1525             'title': 'youtube-dl test video',
1526         }
1527     }]
1528
1529     def _real_extract(self, url):
1530         mobj = re.match(self._VALID_URL, url)
1531         query = compat_urllib_parse.unquote_plus(mobj.group('query'))
1532
1533         webpage = self._download_webpage(url, query)
1534         result_code = self._search_regex(
1535             r'(?s)<ol class="item-section"(.*?)</ol>', webpage, 'result HTML')
1536
1537         part_codes = re.findall(
1538             r'(?s)<h3 class="yt-lockup-title">(.*?)</h3>', result_code)
1539         entries = []
1540         for part_code in part_codes:
1541             part_title = self._html_search_regex(
1542                 [r'(?s)title="([^"]+)"', r'>([^<]+)</a>'], part_code, 'item title', fatal=False)
1543             part_url_snippet = self._html_search_regex(
1544                 r'(?s)href="([^"]+)"', part_code, 'item URL')
1545             part_url = compat_urlparse.urljoin(
1546                 'https://www.youtube.com/', part_url_snippet)
1547             entries.append({
1548                 '_type': 'url',
1549                 'url': part_url,
1550                 'title': part_title,
1551             })
1552
1553         return {
1554             '_type': 'playlist',
1555             'entries': entries,
1556             'title': query,
1557         }
1558
1559
1560 class YoutubeShowIE(InfoExtractor):
1561     IE_DESC = 'YouTube.com (multi-season) shows'
1562     _VALID_URL = r'https?://www\.youtube\.com/show/(?P<id>[^?#]*)'
1563     IE_NAME = 'youtube:show'
1564     _TESTS = [{
1565         'url': 'http://www.youtube.com/show/airdisasters',
1566         'playlist_mincount': 3,
1567         'info_dict': {
1568             'id': 'airdisasters',
1569             'title': 'Air Disasters',
1570         }
1571     }]
1572
1573     def _real_extract(self, url):
1574         mobj = re.match(self._VALID_URL, url)
1575         playlist_id = mobj.group('id')
1576         webpage = self._download_webpage(
1577             url, playlist_id, 'Downloading show webpage')
1578         # There's one playlist for each season of the show
1579         m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
1580         self.to_screen('%s: Found %s seasons' % (playlist_id, len(m_seasons)))
1581         entries = [
1582             self.url_result(
1583                 'https://www.youtube.com' + season.group(1), 'YoutubePlaylist')
1584             for season in m_seasons
1585         ]
1586         title = self._og_search_title(webpage, fatal=False)
1587
1588         return {
1589             '_type': 'playlist',
1590             'id': playlist_id,
1591             'title': title,
1592             'entries': entries,
1593         }
1594
1595
1596 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
1597     """
1598     Base class for extractors that fetch info from
1599     http://www.youtube.com/feed_ajax
1600     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1601     """
1602     _LOGIN_REQUIRED = True
1603     # use action_load_personal_feed instead of action_load_system_feed
1604     _PERSONAL_FEED = False
1605
1606     @property
1607     def _FEED_TEMPLATE(self):
1608         action = 'action_load_system_feed'
1609         if self._PERSONAL_FEED:
1610             action = 'action_load_personal_feed'
1611         return 'https://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
1612
1613     @property
1614     def IE_NAME(self):
1615         return 'youtube:%s' % self._FEED_NAME
1616
1617     def _real_initialize(self):
1618         self._login()
1619
1620     def _real_extract(self, url):
1621         feed_entries = []
1622         paging = 0
1623         for i in itertools.count(1):
1624             info = self._download_json(
1625                 self._FEED_TEMPLATE % paging,
1626                 '%s feed' % self._FEED_NAME,
1627                 'Downloading page %s' % i,
1628                 transform_source=uppercase_escape)
1629             feed_html = info.get('feed_html') or info.get('content_html')
1630             load_more_widget_html = info.get('load_more_widget_html') or feed_html
1631             m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
1632             ids = orderedSet(m.group(1) for m in m_ids)
1633             feed_entries.extend(
1634                 self.url_result(video_id, 'Youtube', video_id=video_id)
1635                 for video_id in ids)
1636             mobj = re.search(
1637                 r'data-uix-load-more-href="/?[^"]+paging=(?P<paging>\d+)',
1638                 load_more_widget_html)
1639             if mobj is None:
1640                 break
1641             paging = mobj.group('paging')
1642         return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
1643
1644
1645 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
1646     IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
1647     _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
1648     _FEED_NAME = 'recommended'
1649     _PLAYLIST_TITLE = 'Youtube Recommended videos'
1650
1651
1652 class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor):
1653     IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
1654     _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
1655     _FEED_NAME = 'watch_later'
1656     _PLAYLIST_TITLE = 'Youtube Watch Later'
1657     _PERSONAL_FEED = True
1658
1659
1660 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
1661     IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
1662     _VALID_URL = 'https?://www\.youtube\.com/feed/history|:ythistory'
1663     _FEED_NAME = 'history'
1664     _PERSONAL_FEED = True
1665     _PLAYLIST_TITLE = 'Youtube Watch History'
1666
1667
1668 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
1669     IE_NAME = 'youtube:favorites'
1670     IE_DESC = 'YouTube.com favourite videos, ":ytfav" for short (requires authentication)'
1671     _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
1672     _LOGIN_REQUIRED = True
1673
1674     def _real_extract(self, url):
1675         webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1676         playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, 'favourites playlist id')
1677         return self.url_result(playlist_id, 'YoutubePlaylist')
1678
1679
1680 class YoutubeSubscriptionsIE(YoutubePlaylistIE):
1681     IE_NAME = 'youtube:subscriptions'
1682     IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
1683     _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
1684     _TESTS = []
1685
1686     def _real_extract(self, url):
1687         title = 'Youtube Subscriptions'
1688         page = self._download_webpage('https://www.youtube.com/feed/subscriptions', title)
1689
1690         # The extraction process is the same as for playlists, but the regex
1691         # for the video ids doesn't contain an index
1692         ids = []
1693         more_widget_html = content_html = page
1694
1695         for page_num in itertools.count(1):
1696             matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
1697             new_ids = orderedSet(matches)
1698             ids.extend(new_ids)
1699
1700             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
1701             if not mobj:
1702                 break
1703
1704             more = self._download_json(
1705                 'https://youtube.com/%s' % mobj.group('more'), title,
1706                 'Downloading page #%s' % page_num,
1707                 transform_source=uppercase_escape)
1708             content_html = more['content_html']
1709             more_widget_html = more['load_more_widget_html']
1710
1711         return {
1712             '_type': 'playlist',
1713             'title': title,
1714             'entries': self._ids_to_results(ids),
1715         }
1716
1717
1718 class YoutubeTruncatedURLIE(InfoExtractor):
1719     IE_NAME = 'youtube:truncated_url'
1720     IE_DESC = False  # Do not list
1721     _VALID_URL = r'''(?x)
1722         (?:https?://)?
1723         (?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/
1724         (?:watch\?(?:
1725             feature=[a-z_]+|
1726             annotation_id=annotation_[^&]+|
1727             x-yt-cl=[0-9]+|
1728             hl=[^&]*|
1729         )?
1730         |
1731             attribution_link\?a=[^&]+
1732         )
1733         $
1734     '''
1735
1736     _TESTS = [{
1737         'url': 'http://www.youtube.com/watch?annotation_id=annotation_3951667041',
1738         'only_matching': True,
1739     }, {
1740         'url': 'http://www.youtube.com/watch?',
1741         'only_matching': True,
1742     }, {
1743         'url': 'https://www.youtube.com/watch?x-yt-cl=84503534',
1744         'only_matching': True,
1745     }, {
1746         'url': 'https://www.youtube.com/watch?feature=foo',
1747         'only_matching': True,
1748     }, {
1749         'url': 'https://www.youtube.com/watch?hl=en-GB',
1750         'only_matching': True,
1751     }]
1752
1753     def _real_extract(self, url):
1754         raise ExtractorError(
1755             'Did you forget to quote the URL? Remember that & is a meta '
1756             'character in most shells, so you want to put the URL in quotes, '
1757             'like  youtube-dl '
1758             '"http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
1759             ' or simply  youtube-dl BaW_jenozKc  .',
1760             expected=True)
1761
1762
1763 class YoutubeTruncatedIDIE(InfoExtractor):
1764     IE_NAME = 'youtube:truncated_id'
1765     IE_DESC = False  # Do not list
1766     _VALID_URL = r'https?://(?:www\.)?youtube\.com/watch\?v=(?P<id>[0-9A-Za-z_-]{1,10})$'
1767
1768     _TESTS = [{
1769         'url': 'https://www.youtube.com/watch?v=N_708QY7Ob',
1770         'only_matching': True,
1771     }]
1772
1773     def _real_extract(self, url):
1774         video_id = self._match_id(url)
1775         raise ExtractorError(
1776             'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
1777             expected=True)