]> jfr.im git - yt-dlp.git/blame - youtube_dl/extractor/youtube.py
[YoutubeIE] Externalize format selection
[yt-dlp.git] / youtube_dl / extractor / youtube.py
CommitLineData
c5e8d7af 1# coding: utf-8
c5e8d7af 2
e0df6211 3import collections
edf3e38e 4import errno
e0df6211 5import io
0ca96d48 6import itertools
c5e8d7af 7import json
c4417ddb 8import os.path
c5e8d7af 9import re
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10import string
11import struct
12import traceback
13import zlib
c5e8d7af 14
b05654f0 15from .common import InfoExtractor, SearchInfoExtractor
54d39d8b 16from .subtitles import SubtitlesInfoExtractor
c5e8d7af 17from ..utils import (
edf3e38e 18 compat_chr,
c5e8d7af 19 compat_parse_qs,
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20 compat_urllib_parse,
21 compat_urllib_request,
7c61bd36 22 compat_urlparse,
c5e8d7af
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23 compat_str,
24
25 clean_html,
c38b1e77 26 get_cachedir,
c5e8d7af 27 get_element_by_id,
652cdaa2 28 get_element_by_attribute,
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29 ExtractorError,
30 unescapeHTML,
31 unified_strdate,
04cc9617 32 orderedSet,
edf3e38e 33 write_json_file,
c5e8d7af
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34)
35
de7f3446 36class YoutubeBaseInfoExtractor(InfoExtractor):
b2e8bc1b
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37 """Provide base functions for Youtube extractors"""
38 _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
39 _LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
40 _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
41 _NETRC_MACHINE = 'youtube'
42 # If True it will raise an error if no login info is provided
43 _LOGIN_REQUIRED = False
44
b2e8bc1b 45 def _set_language(self):
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46 return bool(self._download_webpage(
47 self._LANG_URL, None,
48 note=u'Setting language', errnote='unable to set language',
49 fatal=False))
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50
51 def _login(self):
52 (username, password) = self._get_login_info()
53 # No authentication to be performed
54 if username is None:
55 if self._LOGIN_REQUIRED:
56 raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
57 return False
58
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59 login_page = self._download_webpage(
60 self._LOGIN_URL, None,
61 note=u'Downloading login page',
62 errnote=u'unable to fetch login page', fatal=False)
63 if login_page is False:
64 return
b2e8bc1b 65
795f28f8
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66 galx = self._search_regex(r'(?s)<input.+?name="GALX".+?value="(.+?)"',
67 login_page, u'Login GALX parameter')
c5e8d7af 68
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69 # Log in
70 login_form_strs = {
71 u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
72 u'Email': username,
73 u'GALX': galx,
74 u'Passwd': password,
75 u'PersistentCookie': u'yes',
76 u'_utf8': u'霱',
77 u'bgresponse': u'js_disabled',
78 u'checkConnection': u'',
79 u'checkedDomains': u'youtube',
80 u'dnConn': u'',
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81 u'pstMsg': u'0',
82 u'rmShown': u'1',
83 u'secTok': u'',
84 u'signIn': u'Sign in',
85 u'timeStmp': u'',
86 u'service': u'youtube',
87 u'uilel': u'3',
88 u'hl': u'en_US',
89 }
90 # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
91 # chokes on unicode
92 login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
93 login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
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94
95 req = compat_urllib_request.Request(self._LOGIN_URL, login_data)
96 login_results = self._download_webpage(
97 req, None,
98 note=u'Logging in', errnote=u'unable to log in', fatal=False)
99 if login_results is False:
100 return False
101 if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
102 self._downloader.report_warning(u'unable to log in: bad username or password')
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103 return False
104 return True
105
106 def _confirm_age(self):
107 age_form = {
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108 'next_url': '/',
109 'action_confirm': 'Confirm',
110 }
111 req = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
112
113 self._download_webpage(
114 req, None,
115 note=u'Confirming age', errnote=u'Unable to confirm age')
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116 return True
117
118 def _real_initialize(self):
119 if self._downloader is None:
120 return
121 if not self._set_language():
122 return
123 if not self._login():
124 return
125 self._confirm_age()
c5e8d7af 126
8377574c 127
de7f3446 128class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
0f818663 129 IE_DESC = u'YouTube.com'
cb7dfeea 130 _VALID_URL = r"""(?x)^
c5e8d7af 131 (
83aa5293 132 (?:https?://|//)? # http(s):// or protocol-independent URL (optional)
cb7dfeea 133 (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
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134 tube\.majestyc\.net/|
135 youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains
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136 (?:.*?\#/)? # handle anchor (#/) redirect urls
137 (?: # the various things that can precede the ID:
138 (?:(?:v|embed|e)/) # v/ or embed/ or e/
139 |(?: # or the v= param in all its forms
d741e55a 140 (?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
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141 (?:\?|\#!?) # the params delimiter ? or # or #!
142 (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
143 v=
144 )
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145 ))
146 |youtu\.be/ # just youtu.be/xxxx
147 )
c5e8d7af 148 )? # all until now is optional -> you can pass the naked ID
8963d9c2 149 ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID
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150 (?(1).+)? # if we found the ID, everything can follow
151 $"""
c5e8d7af 152 _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
c5e8d7af 153 # Listed in order of quality
bdc6b3fc 154 _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13',
96fb5605 155 # Apple HTTP Live Streaming
bdc6b3fc 156 '96', '95', '94', '93', '92', '132', '151',
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157 # 3D
158 '85', '84', '102', '83', '101', '82', '100',
159 # Dash video
160 '138', '137', '248', '136', '247', '135', '246',
161 '245', '244', '134', '243', '133', '242', '160',
162 # Dash audio
163 '141', '172', '140', '171', '139',
1d043b93 164 ]
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165 _video_extensions = {
166 '13': '3gp',
bdc6b3fc 167 '17': '3gp',
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168 '18': 'mp4',
169 '22': 'mp4',
bdc6b3fc 170 '36': '3gp',
c5e8d7af 171 '37': 'mp4',
d69cf69a 172 '38': 'mp4',
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173 '43': 'webm',
174 '44': 'webm',
175 '45': 'webm',
176 '46': 'webm',
1d043b93 177
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178 # 3d videos
179 '82': 'mp4',
180 '83': 'mp4',
181 '84': 'mp4',
182 '85': 'mp4',
183 '100': 'webm',
184 '101': 'webm',
185 '102': 'webm',
836a086c 186
96fb5605 187 # Apple HTTP Live Streaming
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188 '92': 'mp4',
189 '93': 'mp4',
190 '94': 'mp4',
191 '95': 'mp4',
192 '96': 'mp4',
193 '132': 'mp4',
194 '151': 'mp4',
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195
196 # Dash mp4
197 '133': 'mp4',
198 '134': 'mp4',
199 '135': 'mp4',
200 '136': 'mp4',
201 '137': 'mp4',
202 '138': 'mp4',
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203 '160': 'mp4',
204
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205 # Dash mp4 audio
206 '139': 'm4a',
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207 '140': 'm4a',
208 '141': 'm4a',
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209
210 # Dash webm
211 '171': 'webm',
212 '172': 'webm',
213 '242': 'webm',
214 '243': 'webm',
215 '244': 'webm',
216 '245': 'webm',
217 '246': 'webm',
218 '247': 'webm',
219 '248': 'webm',
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220 }
221 _video_dimensions = {
d5a9bb4e 222 '5': '400x240',
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223 '6': '???',
224 '13': '???',
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225 '17': '176x144',
226 '18': '640x360',
227 '22': '1280x720',
228 '34': '640x360',
229 '35': '854x480',
230 '36': '320x240',
231 '37': '1920x1080',
232 '38': '4096x3072',
233 '43': '640x360',
234 '44': '854x480',
235 '45': '1280x720',
236 '46': '1920x1080',
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237 '82': '360p',
238 '83': '480p',
239 '84': '720p',
240 '85': '1080p',
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241 '92': '240p',
242 '93': '360p',
243 '94': '480p',
244 '95': '720p',
245 '96': '1080p',
86fe61c8
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246 '100': '360p',
247 '101': '480p',
836a086c 248 '102': '720p',
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249 '132': '240p',
250 '151': '72p',
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251 '133': '240p',
252 '134': '360p',
253 '135': '480p',
254 '136': '720p',
255 '137': '1080p',
256 '138': '>1080p',
257 '139': '48k',
258 '140': '128k',
259 '141': '256k',
260 '160': '192p',
261 '171': '128k',
262 '172': '256k',
263 '242': '240p',
264 '243': '360p',
265 '244': '480p',
266 '245': '480p',
267 '246': '480p',
268 '247': '720p',
269 '248': '1080p',
c5e8d7af 270 }
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271 _special_itags = {
272 '82': '3D',
273 '83': '3D',
274 '84': '3D',
275 '85': '3D',
276 '100': '3D',
277 '101': '3D',
278 '102': '3D',
279 '133': 'DASH Video',
280 '134': 'DASH Video',
281 '135': 'DASH Video',
282 '136': 'DASH Video',
283 '137': 'DASH Video',
284 '138': 'DASH Video',
285 '139': 'DASH Audio',
286 '140': 'DASH Audio',
287 '141': 'DASH Audio',
288 '160': 'DASH Video',
289 '171': 'DASH Audio',
290 '172': 'DASH Audio',
291 '242': 'DASH Video',
292 '243': 'DASH Video',
293 '244': 'DASH Video',
294 '245': 'DASH Video',
295 '246': 'DASH Video',
296 '247': 'DASH Video',
297 '248': 'DASH Video',
c5e8d7af 298 }
836a086c 299
c5e8d7af 300 IE_NAME = u'youtube'
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301 _TESTS = [
302 {
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303 u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc",
304 u"file": u"BaW_jenozKc.mp4",
305 u"info_dict": {
306 u"title": u"youtube-dl test video \"'/\\ä↭𝕐",
307 u"uploader": u"Philipp Hagemeister",
308 u"uploader_id": u"phihag",
309 u"upload_date": u"20121002",
27dcce19 310 u"description": u"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 ."
2eb88d95 311 }
0e853ca4 312 },
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313 {
314 u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY",
315 u"file": u"UxxajLWwzqY.mp4",
316 u"note": u"Test generic use_cipher_signature video (#897)",
317 u"info_dict": {
318 u"upload_date": u"20120506",
319 u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
2dc59299 320 u"description": u"md5:5b292926389560516e384ac437c0ec07",
45ed795c 321 u"uploader": u"Icona Pop",
0e853ca4 322 u"uploader_id": u"IconaPop"
2eb88d95 323 }
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324 },
325 {
326 u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ",
327 u"file": u"07FYdnEawAQ.mp4",
328 u"note": u"Test VEVO video with age protection (#956)",
329 u"info_dict": {
330 u"upload_date": u"20130703",
331 u"title": u"Justin Timberlake - Tunnel Vision (Explicit)",
332 u"description": u"md5:64249768eec3bc4276236606ea996373",
333 u"uploader": u"justintimberlakeVEVO",
334 u"uploader_id": u"justintimberlakeVEVO"
335 }
336 },
fccd3771 337 {
83aa5293 338 u"url": u"//www.YouTube.com/watch?v=yZIXLfi8CZQ",
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339 u"file": u"yZIXLfi8CZQ.mp4",
340 u"note": u"Embed-only video (#1746)",
341 u"info_dict": {
342 u"upload_date": u"20120608",
343 u"title": u"Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012",
344 u"description": u"md5:09b78bd971f1e3e289601dfba15ca4f7",
345 u"uploader": u"SET India",
346 u"uploader_id": u"setindia"
347 }
348 },
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349 ]
350
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351
352 @classmethod
353 def suitable(cls, url):
354 """Receives a URL and returns True if suitable for this IE."""
e3ea4790 355 if YoutubePlaylistIE.suitable(url): return False
fccd3771 356 return re.match(cls._VALID_URL, url) is not None
c5e8d7af 357
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358 def __init__(self, *args, **kwargs):
359 super(YoutubeIE, self).__init__(*args, **kwargs)
83799698 360 self._player_cache = {}
e0df6211 361
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362 def report_video_info_webpage_download(self, video_id):
363 """Report attempt to download video info webpage."""
364 self.to_screen(u'%s: Downloading video info webpage' % video_id)
365
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366 def report_information_extraction(self, video_id):
367 """Report attempt to extract video information."""
368 self.to_screen(u'%s: Extracting video information' % video_id)
369
370 def report_unavailable_format(self, video_id, format):
371 """Report extracted video URL."""
372 self.to_screen(u'%s: Format %s not available' % (video_id, format))
373
374 def report_rtmp_download(self):
375 """Indicate the download will use the RTMP protocol."""
376 self.to_screen(u'RTMP download detected')
377
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378 def _extract_signature_function(self, video_id, player_url, slen):
379 id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$',
83799698 380 player_url)
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381 player_type = id_m.group('ext')
382 player_id = id_m.group('id')
383
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384 # Read from filesystem cache
385 func_id = '%s_%s_%d' % (player_type, player_id, slen)
386 assert os.path.basename(func_id) == func_id
c38b1e77 387 cache_dir = get_cachedir(self._downloader.params)
c4417ddb 388
c3c88a26 389 cache_enabled = cache_dir is not None
f8061589 390 if cache_enabled:
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391 cache_fn = os.path.join(os.path.expanduser(cache_dir),
392 u'youtube-sigfuncs',
393 func_id + '.json')
394 try:
edf3e38e 395 with io.open(cache_fn, 'r', encoding='utf-8') as cachef:
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396 cache_spec = json.load(cachef)
397 return lambda s: u''.join(s[i] for i in cache_spec)
edf3e38e 398 except IOError:
c4417ddb 399 pass # No cache available
83799698 400
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401 if player_type == 'js':
402 code = self._download_webpage(
403 player_url, video_id,
83799698 404 note=u'Downloading %s player %s' % (player_type, player_id),
e0df6211 405 errnote=u'Download of %s failed' % player_url)
83799698 406 res = self._parse_sig_js(code)
c4417ddb 407 elif player_type == 'swf':
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408 urlh = self._request_webpage(
409 player_url, video_id,
83799698 410 note=u'Downloading %s player %s' % (player_type, player_id),
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411 errnote=u'Download of %s failed' % player_url)
412 code = urlh.read()
83799698 413 res = self._parse_sig_swf(code)
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414 else:
415 assert False, 'Invalid player type %r' % player_type
416
f8061589 417 if cache_enabled:
edf3e38e 418 try:
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419 test_string = u''.join(map(compat_chr, range(slen)))
420 cache_res = res(test_string)
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421 cache_spec = [ord(c) for c in cache_res]
422 try:
423 os.makedirs(os.path.dirname(cache_fn))
424 except OSError as ose:
425 if ose.errno != errno.EEXIST:
426 raise
427 write_json_file(cache_spec, cache_fn)
0ca96d48 428 except Exception:
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429 tb = traceback.format_exc()
430 self._downloader.report_warning(
431 u'Writing cache to %r failed: %s' % (cache_fn, tb))
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432
433 return res
434
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435 def _print_sig_code(self, func, slen):
436 def gen_sig_code(idxs):
437 def _genslice(start, end, step):
438 starts = u'' if start == 0 else str(start)
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439 ends = (u':%d' % (end+step)) if end + step >= 0 else u':'
440 steps = u'' if step == 1 else (u':%d' % step)
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441 return u's[%s%s%s]' % (starts, ends, steps)
442
443 step = None
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444 start = '(Never used)' # Quelch pyflakes warnings - start will be
445 # set as soon as step is set
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446 for i, prev in zip(idxs[1:], idxs[:-1]):
447 if step is not None:
448 if i - prev == step:
449 continue
450 yield _genslice(start, prev, step)
451 step = None
452 continue
453 if i - prev in [-1, 1]:
454 step = i - prev
455 start = prev
456 continue
457 else:
458 yield u's[%d]' % prev
459 if step is None:
460 yield u's[%d]' % i
461 else:
462 yield _genslice(start, i, step)
463
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464 test_string = u''.join(map(compat_chr, range(slen)))
465 cache_res = func(test_string)
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466 cache_spec = [ord(c) for c in cache_res]
467 expr_code = u' + '.join(gen_sig_code(cache_spec))
468 code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code)
f8061589 469 self.to_screen(u'Extracted signature function:\n' + code)
edf3e38e 470
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471 def _parse_sig_js(self, jscode):
472 funcname = self._search_regex(
473 r'signature=([a-zA-Z]+)', jscode,
474 u'Initial JS player signature function name')
475
476 functions = {}
477
478 def argidx(varname):
479 return string.lowercase.index(varname)
480
481 def interpret_statement(stmt, local_vars, allow_recursion=20):
482 if allow_recursion < 0:
0ca96d48 483 raise ExtractorError(u'Recursion limit reached')
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484
485 if stmt.startswith(u'var '):
486 stmt = stmt[len(u'var '):]
487 ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
488 r'=(?P<expr>.*)$', stmt)
489 if ass_m:
490 if ass_m.groupdict().get('index'):
491 def assign(val):
492 lvar = local_vars[ass_m.group('out')]
493 idx = interpret_expression(ass_m.group('index'),
494 local_vars, allow_recursion)
495 assert isinstance(idx, int)
496 lvar[idx] = val
497 return val
498 expr = ass_m.group('expr')
499 else:
500 def assign(val):
501 local_vars[ass_m.group('out')] = val
502 return val
503 expr = ass_m.group('expr')
504 elif stmt.startswith(u'return '):
505 assign = lambda v: v
506 expr = stmt[len(u'return '):]
507 else:
508 raise ExtractorError(
509 u'Cannot determine left side of statement in %r' % stmt)
510
511 v = interpret_expression(expr, local_vars, allow_recursion)
512 return assign(v)
513
514 def interpret_expression(expr, local_vars, allow_recursion):
515 if expr.isdigit():
516 return int(expr)
517
518 if expr.isalpha():
519 return local_vars[expr]
520
521 m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr)
522 if m:
523 member = m.group('member')
524 val = local_vars[m.group('in')]
525 if member == 'split("")':
526 return list(val)
527 if member == 'join("")':
528 return u''.join(val)
529 if member == 'length':
530 return len(val)
531 if member == 'reverse()':
532 return val[::-1]
533 slice_m = re.match(r'slice\((?P<idx>.*)\)', member)
534 if slice_m:
535 idx = interpret_expression(
536 slice_m.group('idx'), local_vars, allow_recursion-1)
537 return val[idx:]
538
539 m = re.match(
540 r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr)
541 if m:
542 val = local_vars[m.group('in')]
543 idx = interpret_expression(m.group('idx'), local_vars,
544 allow_recursion-1)
545 return val[idx]
546
547 m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr)
548 if m:
549 a = interpret_expression(m.group('a'),
550 local_vars, allow_recursion)
551 b = interpret_expression(m.group('b'),
552 local_vars, allow_recursion)
553 return a % b
554
555 m = re.match(
556 r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr)
557 if m:
558 fname = m.group('func')
559 if fname not in functions:
560 functions[fname] = extract_function(fname)
561 argvals = [int(v) if v.isdigit() else local_vars[v]
562 for v in m.group('args').split(',')]
563 return functions[fname](argvals)
564 raise ExtractorError(u'Unsupported JS expression %r' % expr)
565
566 def extract_function(funcname):
567 func_m = re.search(
568 r'function ' + re.escape(funcname) +
569 r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
570 jscode)
571 argnames = func_m.group('args').split(',')
572
573 def resf(args):
574 local_vars = dict(zip(argnames, args))
575 for stmt in func_m.group('code').split(';'):
576 res = interpret_statement(stmt, local_vars)
577 return res
578 return resf
579
580 initial_function = extract_function(funcname)
581 return lambda s: initial_function([s])
582
583 def _parse_sig_swf(self, file_contents):
584 if file_contents[1:3] != b'WS':
585 raise ExtractorError(
586 u'Not an SWF file; header is %r' % file_contents[:3])
587 if file_contents[:1] == b'C':
588 content = zlib.decompress(file_contents[8:])
589 else:
590 raise NotImplementedError(u'Unsupported compression format %r' %
591 file_contents[:1])
592
593 def extract_tags(content):
594 pos = 0
595 while pos < len(content):
596 header16 = struct.unpack('<H', content[pos:pos+2])[0]
597 pos += 2
598 tag_code = header16 >> 6
599 tag_len = header16 & 0x3f
600 if tag_len == 0x3f:
601 tag_len = struct.unpack('<I', content[pos:pos+4])[0]
602 pos += 4
603 assert pos+tag_len <= len(content)
604 yield (tag_code, content[pos:pos+tag_len])
605 pos += tag_len
606
607 code_tag = next(tag
608 for tag_code, tag in extract_tags(content)
609 if tag_code == 82)
610 p = code_tag.index(b'\0', 4) + 1
ba552f54 611 code_reader = io.BytesIO(code_tag[p:])
e0df6211
PH
612
613 # Parse ABC (AVM2 ByteCode)
ba552f54
PH
614 def read_int(reader=None):
615 if reader is None:
616 reader = code_reader
e0df6211
PH
617 res = 0
618 shift = 0
619 for _ in range(5):
ba552f54
PH
620 buf = reader.read(1)
621 assert len(buf) == 1
622 b = struct.unpack('<B', buf)[0]
e0df6211
PH
623 res = res | ((b & 0x7f) << shift)
624 if b & 0x80 == 0:
625 break
626 shift += 7
ba552f54
PH
627 return res
628
629 def u30(reader=None):
630 res = read_int(reader)
631 assert res & 0xf0000000 == 0
e0df6211
PH
632 return res
633 u32 = read_int
634
ba552f54
PH
635 def s32(reader=None):
636 v = read_int(reader)
e0df6211
PH
637 if v & 0x80000000 != 0:
638 v = - ((v ^ 0xffffffff) + 1)
ba552f54
PH
639 return v
640
0ca96d48 641 def read_string(reader=None):
ba552f54
PH
642 if reader is None:
643 reader = code_reader
644 slen = u30(reader)
645 resb = reader.read(slen)
646 assert len(resb) == slen
647 return resb.decode('utf-8')
648
649 def read_bytes(count, reader=None):
650 if reader is None:
651 reader = code_reader
652 resb = reader.read(count)
653 assert len(resb) == count
654 return resb
655
656 def read_byte(reader=None):
657 resb = read_bytes(1, reader=reader)
658 res = struct.unpack('<B', resb)[0]
659 return res
e0df6211
PH
660
661 # minor_version + major_version
0ca96d48 662 read_bytes(2 + 2)
e0df6211
PH
663
664 # Constant pool
ba552f54 665 int_count = u30()
e0df6211 666 for _c in range(1, int_count):
0ca96d48 667 s32()
ba552f54 668 uint_count = u30()
e0df6211 669 for _c in range(1, uint_count):
0ca96d48 670 u32()
ba552f54 671 double_count = u30()
0ca96d48 672 read_bytes((double_count-1) * 8)
ba552f54 673 string_count = u30()
e0df6211
PH
674 constant_strings = [u'']
675 for _c in range(1, string_count):
0ca96d48 676 s = read_string()
e0df6211 677 constant_strings.append(s)
ba552f54 678 namespace_count = u30()
e0df6211 679 for _c in range(1, namespace_count):
0ca96d48
PH
680 read_bytes(1) # kind
681 u30() # name
ba552f54 682 ns_set_count = u30()
e0df6211 683 for _c in range(1, ns_set_count):
ba552f54 684 count = u30()
e0df6211 685 for _c2 in range(count):
0ca96d48 686 u30()
ba552f54 687 multiname_count = u30()
e0df6211
PH
688 MULTINAME_SIZES = {
689 0x07: 2, # QName
690 0x0d: 2, # QNameA
691 0x0f: 1, # RTQName
692 0x10: 1, # RTQNameA
693 0x11: 0, # RTQNameL
694 0x12: 0, # RTQNameLA
695 0x09: 2, # Multiname
696 0x0e: 2, # MultinameA
697 0x1b: 1, # MultinameL
698 0x1c: 1, # MultinameLA
699 }
700 multinames = [u'']
701 for _c in range(1, multiname_count):
ba552f54 702 kind = u30()
e0df6211
PH
703 assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind
704 if kind == 0x07:
0ca96d48 705 u30() # namespace_idx
ba552f54 706 name_idx = u30()
e0df6211
PH
707 multinames.append(constant_strings[name_idx])
708 else:
709 multinames.append('[MULTINAME kind: %d]' % kind)
710 for _c2 in range(MULTINAME_SIZES[kind]):
0ca96d48 711 u30()
e0df6211
PH
712
713 # Methods
ba552f54 714 method_count = u30()
e0df6211
PH
715 MethodInfo = collections.namedtuple(
716 'MethodInfo',
717 ['NEED_ARGUMENTS', 'NEED_REST'])
718 method_infos = []
719 for method_id in range(method_count):
ba552f54 720 param_count = u30()
0ca96d48 721 u30() # return type
e0df6211 722 for _ in range(param_count):
0ca96d48
PH
723 u30() # param type
724 u30() # name index (always 0 for youtube)
ba552f54 725 flags = read_byte()
e0df6211
PH
726 if flags & 0x08 != 0:
727 # Options present
ba552f54 728 option_count = u30()
e0df6211 729 for c in range(option_count):
0ca96d48
PH
730 u30() # val
731 read_bytes(1) # kind
e0df6211
PH
732 if flags & 0x80 != 0:
733 # Param names present
734 for _ in range(param_count):
0ca96d48 735 u30() # param name
e0df6211
PH
736 mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0)
737 method_infos.append(mi)
738
739 # Metadata
ba552f54 740 metadata_count = u30()
e0df6211 741 for _c in range(metadata_count):
0ca96d48 742 u30() # name
ba552f54 743 item_count = u30()
e0df6211 744 for _c2 in range(item_count):
0ca96d48
PH
745 u30() # key
746 u30() # value
ba552f54
PH
747
748 def parse_traits_info():
749 trait_name_idx = u30()
750 kind_full = read_byte()
e0df6211
PH
751 kind = kind_full & 0x0f
752 attrs = kind_full >> 4
753 methods = {}
754 if kind in [0x00, 0x06]: # Slot or Const
0ca96d48
PH
755 u30() # Slot id
756 u30() # type_name_idx
ba552f54 757 vindex = u30()
e0df6211 758 if vindex != 0:
0ca96d48 759 read_byte() # vkind
e0df6211 760 elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter
0ca96d48 761 u30() # disp_id
ba552f54 762 method_idx = u30()
e0df6211
PH
763 methods[multinames[trait_name_idx]] = method_idx
764 elif kind == 0x04: # Class
0ca96d48
PH
765 u30() # slot_id
766 u30() # classi
e0df6211 767 elif kind == 0x05: # Function
0ca96d48 768 u30() # slot_id
ba552f54 769 function_idx = u30()
e0df6211
PH
770 methods[function_idx] = multinames[trait_name_idx]
771 else:
772 raise ExtractorError(u'Unsupported trait kind %d' % kind)
773
774 if attrs & 0x4 != 0: # Metadata present
ba552f54 775 metadata_count = u30()
e0df6211 776 for _c3 in range(metadata_count):
0ca96d48 777 u30() # metadata index
e0df6211 778
ba552f54 779 return methods
e0df6211
PH
780
781 # Classes
782 TARGET_CLASSNAME = u'SignatureDecipher'
783 searched_idx = multinames.index(TARGET_CLASSNAME)
784 searched_class_id = None
ba552f54 785 class_count = u30()
e0df6211 786 for class_id in range(class_count):
ba552f54 787 name_idx = u30()
e0df6211
PH
788 if name_idx == searched_idx:
789 # We found the class we're looking for!
790 searched_class_id = class_id
0ca96d48 791 u30() # super_name idx
ba552f54 792 flags = read_byte()
e0df6211 793 if flags & 0x08 != 0: # Protected namespace is present
0ca96d48 794 u30() # protected_ns_idx
ba552f54 795 intrf_count = u30()
e0df6211 796 for _c2 in range(intrf_count):
0ca96d48
PH
797 u30()
798 u30() # iinit
ba552f54 799 trait_count = u30()
e0df6211 800 for _c2 in range(trait_count):
0ca96d48 801 parse_traits_info()
e0df6211
PH
802
803 if searched_class_id is None:
804 raise ExtractorError(u'Target class %r not found' %
805 TARGET_CLASSNAME)
806
807 method_names = {}
808 method_idxs = {}
809 for class_id in range(class_count):
0ca96d48 810 u30() # cinit
ba552f54 811 trait_count = u30()
e0df6211 812 for _c2 in range(trait_count):
ba552f54 813 trait_methods = parse_traits_info()
e0df6211
PH
814 if class_id == searched_class_id:
815 method_names.update(trait_methods.items())
816 method_idxs.update(dict(
817 (idx, name)
818 for name, idx in trait_methods.items()))
819
820 # Scripts
ba552f54 821 script_count = u30()
e0df6211 822 for _c in range(script_count):
0ca96d48 823 u30() # init
ba552f54 824 trait_count = u30()
e0df6211 825 for _c2 in range(trait_count):
0ca96d48 826 parse_traits_info()
e0df6211
PH
827
828 # Method bodies
ba552f54 829 method_body_count = u30()
e0df6211
PH
830 Method = collections.namedtuple('Method', ['code', 'local_count'])
831 methods = {}
832 for _c in range(method_body_count):
ba552f54 833 method_idx = u30()
0ca96d48 834 u30() # max_stack
ba552f54 835 local_count = u30()
0ca96d48
PH
836 u30() # init_scope_depth
837 u30() # max_scope_depth
ba552f54
PH
838 code_length = u30()
839 code = read_bytes(code_length)
e0df6211 840 if method_idx in method_idxs:
ba552f54 841 m = Method(code, local_count)
e0df6211 842 methods[method_idxs[method_idx]] = m
ba552f54 843 exception_count = u30()
e0df6211 844 for _c2 in range(exception_count):
0ca96d48
PH
845 u30() # from
846 u30() # to
847 u30() # target
848 u30() # exc_type
849 u30() # var_name
ba552f54 850 trait_count = u30()
e0df6211 851 for _c2 in range(trait_count):
0ca96d48 852 parse_traits_info()
e0df6211 853
ba552f54 854 assert p + code_reader.tell() == len(code_tag)
e0df6211
PH
855 assert len(methods) == len(method_idxs)
856
857 method_pyfunctions = {}
858
859 def extract_function(func_name):
860 if func_name in method_pyfunctions:
861 return method_pyfunctions[func_name]
862 if func_name not in methods:
863 raise ExtractorError(u'Cannot find function %r' % func_name)
864 m = methods[func_name]
865
866 def resfunc(args):
e0df6211
PH
867 registers = ['(this)'] + list(args) + [None] * m.local_count
868 stack = []
869 coder = io.BytesIO(m.code)
870 while True:
871 opcode = struct.unpack('!B', coder.read(1))[0]
a7177865 872 if opcode == 36: # pushbyte
e0df6211
PH
873 v = struct.unpack('!B', coder.read(1))[0]
874 stack.append(v)
875 elif opcode == 44: # pushstring
876 idx = u30(coder)
877 stack.append(constant_strings[idx])
878 elif opcode == 48: # pushscope
879 # We don't implement the scope register, so we'll just
880 # ignore the popped value
881 stack.pop()
882 elif opcode == 70: # callproperty
883 index = u30(coder)
884 mname = multinames[index]
885 arg_count = u30(coder)
886 args = list(reversed(
887 [stack.pop() for _ in range(arg_count)]))
888 obj = stack.pop()
889 if mname == u'split':
890 assert len(args) == 1
891 assert isinstance(args[0], compat_str)
892 assert isinstance(obj, compat_str)
893 if args[0] == u'':
894 res = list(obj)
895 else:
896 res = obj.split(args[0])
897 stack.append(res)
a7177865
PH
898 elif mname == u'slice':
899 assert len(args) == 1
900 assert isinstance(args[0], int)
901 assert isinstance(obj, list)
902 res = obj[args[0]:]
903 stack.append(res)
904 elif mname == u'join':
905 assert len(args) == 1
906 assert isinstance(args[0], compat_str)
907 assert isinstance(obj, list)
908 res = args[0].join(obj)
909 stack.append(res)
e0df6211
PH
910 elif mname in method_pyfunctions:
911 stack.append(method_pyfunctions[mname](args))
912 else:
913 raise NotImplementedError(
914 u'Unsupported property %r on %r'
915 % (mname, obj))
a7177865
PH
916 elif opcode == 72: # returnvalue
917 res = stack.pop()
918 return res
919 elif opcode == 79: # callpropvoid
920 index = u30(coder)
921 mname = multinames[index]
922 arg_count = u30(coder)
923 args = list(reversed(
924 [stack.pop() for _ in range(arg_count)]))
925 obj = stack.pop()
926 if mname == u'reverse':
927 assert isinstance(obj, list)
928 obj.reverse()
929 else:
930 raise NotImplementedError(
931 u'Unsupported (void) property %r on %r'
932 % (mname, obj))
e0df6211
PH
933 elif opcode == 93: # findpropstrict
934 index = u30(coder)
935 mname = multinames[index]
936 res = extract_function(mname)
937 stack.append(res)
938 elif opcode == 97: # setproperty
939 index = u30(coder)
940 value = stack.pop()
941 idx = stack.pop()
942 obj = stack.pop()
943 assert isinstance(obj, list)
944 assert isinstance(idx, int)
945 obj[idx] = value
946 elif opcode == 98: # getlocal
947 index = u30(coder)
948 stack.append(registers[index])
949 elif opcode == 99: # setlocal
950 index = u30(coder)
951 value = stack.pop()
952 registers[index] = value
953 elif opcode == 102: # getproperty
954 index = u30(coder)
955 pname = multinames[index]
956 if pname == u'length':
957 obj = stack.pop()
958 assert isinstance(obj, list)
959 stack.append(len(obj))
960 else: # Assume attribute access
961 idx = stack.pop()
962 assert isinstance(idx, int)
963 obj = stack.pop()
964 assert isinstance(obj, list)
965 stack.append(obj[idx])
966 elif opcode == 128: # coerce
0ca96d48 967 u30(coder)
e0df6211
PH
968 elif opcode == 133: # coerce_s
969 assert isinstance(stack[-1], (type(None), compat_str))
970 elif opcode == 164: # modulo
971 value2 = stack.pop()
972 value1 = stack.pop()
973 res = value1 % value2
974 stack.append(res)
a7177865
PH
975 elif opcode == 208: # getlocal_0
976 stack.append(registers[0])
977 elif opcode == 209: # getlocal_1
978 stack.append(registers[1])
979 elif opcode == 210: # getlocal_2
980 stack.append(registers[2])
981 elif opcode == 211: # getlocal_3
982 stack.append(registers[3])
e0df6211
PH
983 elif opcode == 214: # setlocal_2
984 registers[2] = stack.pop()
985 elif opcode == 215: # setlocal_3
986 registers[3] = stack.pop()
987 else:
988 raise NotImplementedError(
989 u'Unsupported opcode %d' % opcode)
990
991 method_pyfunctions[func_name] = resfunc
992 return resfunc
993
994 initial_function = extract_function(u'decipher')
995 return lambda s: initial_function([s])
996
83799698 997 def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
257a2501 998 """Turn the encrypted s field into a working signature"""
6b37f0be 999
83799698 1000 if player_url is not None:
9f9be844
PH
1001 if player_url.startswith(u'//'):
1002 player_url = u'https:' + player_url
e0df6211 1003 try:
7f8ae73a
PH
1004 player_id = (player_url, len(s))
1005 if player_id not in self._player_cache:
83799698 1006 func = self._extract_signature_function(
c4417ddb 1007 video_id, player_url, len(s)
e0df6211 1008 )
7f8ae73a
PH
1009 self._player_cache[player_id] = func
1010 func = self._player_cache[player_id]
edf3e38e
PH
1011 if self._downloader.params.get('youtube_print_sig_code'):
1012 self._print_sig_code(func, len(s))
1013 return func(s)
0ca96d48 1014 except Exception:
e0df6211 1015 tb = traceback.format_exc()
83799698
PH
1016 self._downloader.report_warning(
1017 u'Automatic signature extraction failed: ' + tb)
e0df6211 1018
d2d8f895
PH
1019 self._downloader.report_warning(
1020 u'Warning: Falling back to static signature algorithm')
920de7a2 1021
2f2ffea9
PH
1022 return self._static_decrypt_signature(
1023 s, video_id, player_url, age_gate)
e0df6211 1024
2f2ffea9 1025 def _static_decrypt_signature(self, s, video_id, player_url, age_gate):
e0df6211
PH
1026 if age_gate:
1027 # The videos with age protection use another player, so the
1028 # algorithms can be different.
1029 if len(s) == 86:
1030 return s[2:63] + s[82] + s[64:82] + s[63]
1031
bc4b9008 1032 if len(s) == 93:
1033 return s[86:29:-1] + s[88] + s[28:5:-1]
1034 elif len(s) == 92:
444b1165 1035 return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
38d025b3
JMF
1036 elif len(s) == 91:
1037 return s[84:27:-1] + s[86] + s[26:5:-1]
444b1165
JMF
1038 elif len(s) == 90:
1039 return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
8a9d86a2 1040 elif len(s) == 89:
1041 return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1]
444b1165 1042 elif len(s) == 88:
3e223834 1043 return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28]
be547e1d 1044 elif len(s) == 87:
3a725669 1045 return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
be547e1d 1046 elif len(s) == 86:
f2c327fd 1047 return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1]
be547e1d 1048 elif len(s) == 85:
6ae8ee3f 1049 return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84]
be547e1d 1050 elif len(s) == 84:
6f56389b 1051 return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1]
be547e1d 1052 elif len(s) == 83:
920de7a2 1053 return s[80:63:-1] + s[0] + s[62:0:-1] + s[63]
be547e1d 1054 elif len(s) == 82:
c21315f2 1055 return s[80:37:-1] + s[7] + s[36:7:-1] + s[0] + s[6:0:-1] + s[37]
be547e1d 1056 elif len(s) == 81:
aedd6bb9 1057 return s[56] + s[79:56:-1] + s[41] + s[55:41:-1] + s[80] + s[40:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
066090dd
JMF
1058 elif len(s) == 80:
1059 return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80]
5c468ca8
JMF
1060 elif len(s) == 79:
1061 return s[54] + s[77:54:-1] + s[39] + s[53:39:-1] + s[78] + s[38:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
be547e1d
PH
1062
1063 else:
1064 raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
c5e8d7af 1065
1f343eaa 1066 def _get_available_subtitles(self, video_id, webpage):
de7f3446 1067 try:
7fad1c63
JMF
1068 sub_list = self._download_webpage(
1069 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1070 video_id, note=False)
1071 except ExtractorError as err:
de7f3446
JMF
1072 self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
1073 return {}
1074 lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
1075
1076 sub_lang_list = {}
1077 for l in lang_list:
1078 lang = l[1]
1079 params = compat_urllib_parse.urlencode({
1080 'lang': lang,
1081 'v': video_id,
ca715127 1082 'fmt': self._downloader.params.get('subtitlesformat', 'srt'),
8eddf3e9 1083 'name': l[0].encode('utf-8'),
de7f3446
JMF
1084 })
1085 url = u'http://www.youtube.com/api/timedtext?' + params
1086 sub_lang_list[lang] = url
1087 if not sub_lang_list:
1088 self._downloader.report_warning(u'video doesn\'t have subtitles')
1089 return {}
1090 return sub_lang_list
1091
055e6f36 1092 def _get_available_automatic_caption(self, video_id, webpage):
de7f3446
JMF
1093 """We need the webpage for getting the captions url, pass it as an
1094 argument to speed up the process."""
ca715127 1095 sub_format = self._downloader.params.get('subtitlesformat', 'srt')
de7f3446
JMF
1096 self.to_screen(u'%s: Looking for automatic captions' % video_id)
1097 mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
055e6f36 1098 err_msg = u'Couldn\'t find automatic captions for %s' % video_id
de7f3446
JMF
1099 if mobj is None:
1100 self._downloader.report_warning(err_msg)
1101 return {}
1102 player_config = json.loads(mobj.group(1))
1103 try:
1104 args = player_config[u'args']
1105 caption_url = args[u'ttsurl']
1106 timestamp = args[u'timestamp']
055e6f36
JMF
1107 # We get the available subtitles
1108 list_params = compat_urllib_parse.urlencode({
1109 'type': 'list',
1110 'tlangs': 1,
1111 'asrs': 1,
de7f3446 1112 })
055e6f36 1113 list_url = caption_url + '&' + list_params
e26f8712 1114 caption_list = self._download_xml(list_url, video_id)
e3dc22ca 1115 original_lang_node = caption_list.find('track')
f6a54188 1116 if original_lang_node is None or original_lang_node.attrib.get('kind') != 'asr' :
e3dc22ca
JMF
1117 self._downloader.report_warning(u'Video doesn\'t have automatic captions')
1118 return {}
1119 original_lang = original_lang_node.attrib['lang_code']
055e6f36
JMF
1120
1121 sub_lang_list = {}
1122 for lang_node in caption_list.findall('target'):
1123 sub_lang = lang_node.attrib['lang_code']
1124 params = compat_urllib_parse.urlencode({
1125 'lang': original_lang,
1126 'tlang': sub_lang,
1127 'fmt': sub_format,
1128 'ts': timestamp,
1129 'kind': 'asr',
1130 })
1131 sub_lang_list[sub_lang] = caption_url + '&' + params
1132 return sub_lang_list
de7f3446
JMF
1133 # An extractor error can be raise by the download process if there are
1134 # no automatic captions but there are subtitles
1135 except (KeyError, ExtractorError):
1136 self._downloader.report_warning(err_msg)
1137 return {}
1138
c5e8d7af
PH
1139 def _extract_id(self, url):
1140 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1141 if mobj is None:
1142 raise ExtractorError(u'Invalid URL: %s' % url)
1143 video_id = mobj.group(2)
1144 return video_id
1145
1d043b93
JMF
1146 def _get_video_url_list(self, url_map):
1147 """
1148 Transform a dictionary in the format {itag:url} to a list of (itag, url)
1149 with the requested formats.
1150 """
4ea3be0a 1151 existing_formats = [x for x in self._available_formats if x in url_map]
1d043b93
JMF
1152 if len(existing_formats) == 0:
1153 raise ExtractorError(u'no known formats available for video')
4ea3be0a 1154 video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
1155 video_url_list.reverse() # order worst to best
1d043b93
JMF
1156 return video_url_list
1157
1158 def _extract_from_m3u8(self, manifest_url, video_id):
1159 url_map = {}
1160 def _get_urls(_manifest):
1161 lines = _manifest.split('\n')
1162 urls = filter(lambda l: l and not l.startswith('#'),
1163 lines)
1164 return urls
1165 manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest')
1166 formats_urls = _get_urls(manifest)
1167 for format_url in formats_urls:
890f62e8 1168 itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
1d043b93
JMF
1169 url_map[itag] = format_url
1170 return url_map
1171
1fb07d10
JG
1172 def _extract_annotations(self, video_id):
1173 url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
1174 return self._download_webpage(url, video_id, note=u'Searching for annotations.', errnote=u'Unable to download video annotations.')
1175
c5e8d7af
PH
1176 def _real_extract(self, url):
1177 # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1178 mobj = re.search(self._NEXT_URL_RE, url)
1179 if mobj:
1180 url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
1181 video_id = self._extract_id(url)
1182
1183 # Get video webpage
c5e8d7af 1184 url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
336c3a69 1185 video_webpage = self._download_webpage(url, video_id)
c5e8d7af
PH
1186
1187 # Attempt to extract SWF player URL
e0df6211 1188 mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
c5e8d7af
PH
1189 if mobj is not None:
1190 player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1191 else:
1192 player_url = None
1193
1194 # Get video info
1195 self.report_video_info_webpage_download(video_id)
c108eb73
JMF
1196 if re.search(r'player-age-gate-content">', video_webpage) is not None:
1197 self.report_age_confirmation()
1198 age_gate = True
1199 # We simulate the access to the video from www.youtube.com/v/{video_id}
1200 # this can be viewed without login into Youtube
1201 data = compat_urllib_parse.urlencode({'video_id': video_id,
fccd3771 1202 'el': 'player_embedded',
c108eb73
JMF
1203 'gl': 'US',
1204 'hl': 'en',
1205 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1206 'asv': 3,
1207 'sts':'1588',
1208 })
1209 video_info_url = 'https://www.youtube.com/get_video_info?' + data
c5e8d7af
PH
1210 video_info_webpage = self._download_webpage(video_info_url, video_id,
1211 note=False,
1212 errnote='unable to download video info webpage')
1213 video_info = compat_parse_qs(video_info_webpage)
c108eb73
JMF
1214 else:
1215 age_gate = False
1216 for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
1217 video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
1218 % (video_id, el_type))
1219 video_info_webpage = self._download_webpage(video_info_url, video_id,
1220 note=False,
1221 errnote='unable to download video info webpage')
1222 video_info = compat_parse_qs(video_info_webpage)
1223 if 'token' in video_info:
1224 break
c5e8d7af
PH
1225 if 'token' not in video_info:
1226 if 'reason' in video_info:
9a82b238 1227 raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True)
c5e8d7af
PH
1228 else:
1229 raise ExtractorError(u'"token" parameter not in video info for unknown reason')
1230
1d699755
PH
1231 if 'view_count' in video_info:
1232 view_count = int(video_info['view_count'][0])
1233 else:
1234 view_count = None
1235
c5e8d7af
PH
1236 # Check for "rental" videos
1237 if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1238 raise ExtractorError(u'"rental" videos not supported')
1239
1240 # Start extracting information
1241 self.report_information_extraction(video_id)
1242
1243 # uploader
1244 if 'author' not in video_info:
1245 raise ExtractorError(u'Unable to extract uploader name')
1246 video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
1247
1248 # uploader_id
1249 video_uploader_id = None
1250 mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
1251 if mobj is not None:
1252 video_uploader_id = mobj.group(1)
1253 else:
1254 self._downloader.report_warning(u'unable to extract uploader nickname')
1255
1256 # title
a8c6b241
PH
1257 if 'title' in video_info:
1258 video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
1259 else:
1260 self._downloader.report_warning(u'Unable to extract video title')
1261 video_title = u'_'
c5e8d7af
PH
1262
1263 # thumbnail image
7763b04e
JMF
1264 # We try first to get a high quality image:
1265 m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
1266 video_webpage, re.DOTALL)
1267 if m_thumb is not None:
1268 video_thumbnail = m_thumb.group(1)
1269 elif 'thumbnail_url' not in video_info:
c5e8d7af 1270 self._downloader.report_warning(u'unable to extract video thumbnail')
f490e77e 1271 video_thumbnail = None
c5e8d7af
PH
1272 else: # don't panic if we can't find it
1273 video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
1274
1275 # upload date
1276 upload_date = None
1277 mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
1278 if mobj is not None:
1279 upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
1280 upload_date = unified_strdate(upload_date)
1281
1282 # description
1283 video_description = get_element_by_id("eow-description", video_webpage)
1284 if video_description:
27dcce19
PH
1285 video_description = re.sub(r'''(?x)
1286 <a\s+
1287 (?:[a-zA-Z-]+="[^"]+"\s+)*?
1288 title="([^"]+)"\s+
1289 (?:[a-zA-Z-]+="[^"]+"\s+)*?
1290 class="yt-uix-redirect-link"\s*>
1291 [^<]+
1292 </a>
1293 ''', r'\1', video_description)
c5e8d7af
PH
1294 video_description = clean_html(video_description)
1295 else:
1296 fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
1297 if fd_mobj:
1298 video_description = unescapeHTML(fd_mobj.group(1))
1299 else:
1300 video_description = u''
1301
336c3a69 1302 def _extract_count(klass):
46374a56
PH
1303 count = self._search_regex(
1304 r'class="%s">([\d,]+)</span>' % re.escape(klass),
1305 video_webpage, klass, default=None)
336c3a69
JMF
1306 if count is not None:
1307 return int(count.replace(',', ''))
1308 return None
1309 like_count = _extract_count(u'likes-count')
1310 dislike_count = _extract_count(u'dislikes-count')
1311
c5e8d7af 1312 # subtitles
d82134c3 1313 video_subtitles = self.extract_subtitles(video_id, video_webpage)
c5e8d7af 1314
c5e8d7af 1315 if self._downloader.params.get('listsubtitles', False):
d665f8d3 1316 self._list_available_subtitles(video_id, video_webpage)
c5e8d7af
PH
1317 return
1318
1319 if 'length_seconds' not in video_info:
1320 self._downloader.report_warning(u'unable to extract video duration')
b466b702 1321 video_duration = None
c5e8d7af 1322 else:
b466b702 1323 video_duration = int(compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]))
c5e8d7af 1324
1fb07d10
JG
1325 # annotations
1326 video_annotations = None
1327 if self._downloader.params.get('writeannotations', False):
1328 video_annotations = self._extract_annotations(video_id)
1329
c5e8d7af 1330 # Decide which formats to download
c5e8d7af
PH
1331
1332 try:
1333 mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
50be92c1
PH
1334 if not mobj:
1335 raise ValueError('Could not find vevo ID')
c5e8d7af
PH
1336 info = json.loads(mobj.group(1))
1337 args = info['args']
7ce7e394
JMF
1338 # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
1339 # this signatures are encrypted
44d46655 1340 if 'url_encoded_fmt_stream_map' not in args:
f10503db 1341 raise ValueError(u'No stream_map present') # caught below
00fe14fc
JMF
1342 re_signature = re.compile(r'[&,]s=')
1343 m_s = re_signature.search(args['url_encoded_fmt_stream_map'])
7ce7e394
JMF
1344 if m_s is not None:
1345 self.to_screen(u'%s: Encrypted signatures detected.' % video_id)
c5e8d7af 1346 video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
00fe14fc 1347 m_s = re_signature.search(args.get('adaptive_fmts', u''))
b7a68384 1348 if m_s is not None:
00fe14fc
JMF
1349 if 'adaptive_fmts' in video_info:
1350 video_info['adaptive_fmts'][0] += ',' + args['adaptive_fmts']
37b6d5f6 1351 else:
00fe14fc 1352 video_info['adaptive_fmts'] = [args['adaptive_fmts']]
c5e8d7af
PH
1353 except ValueError:
1354 pass
1355
1356 if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1357 self.report_rtmp_download()
1358 video_url_list = [(None, video_info['conn'][0])]
00fe14fc
JMF
1359 elif len(video_info.get('url_encoded_fmt_stream_map', [])) >= 1 or len(video_info.get('adaptive_fmts', [])) >= 1:
1360 encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts',[''])[0]
1361 if 'rtmpe%3Dyes' in encoded_url_map:
a7055eb9 1362 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
c5e8d7af 1363 url_map = {}
00fe14fc 1364 for url_data_str in encoded_url_map.split(','):
c5e8d7af
PH
1365 url_data = compat_parse_qs(url_data_str)
1366 if 'itag' in url_data and 'url' in url_data:
1367 url = url_data['url'][0]
1368 if 'sig' in url_data:
1369 url += '&signature=' + url_data['sig'][0]
1370 elif 's' in url_data:
e0df6211 1371 encrypted_sig = url_data['s'][0]
769fda3c 1372 if self._downloader.params.get('verbose'):
c108eb73 1373 if age_gate:
bdde940e
PH
1374 if player_url is None:
1375 player_version = 'unknown'
1376 else:
1377 player_version = self._search_regex(
1378 r'-(.+)\.swf$', player_url,
1379 u'flash player', fatal=False)
e0df6211 1380 player_desc = 'flash player %s' % player_version
c108eb73 1381 else:
83799698
PH
1382 player_version = self._search_regex(
1383 r'html5player-(.+?)\.js', video_webpage,
c108eb73 1384 'html5 player', fatal=False)
e0df6211
PH
1385 player_desc = u'html5 player %s' % player_version
1386
1387 parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.'))
5a76c651 1388 self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
e0df6211
PH
1389 (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
1390
83799698 1391 if not age_gate:
e0df6211
PH
1392 jsplayer_url_json = self._search_regex(
1393 r'"assets":.+?"js":\s*("[^"]+")',
1394 video_webpage, u'JS player URL')
83799698 1395 player_url = json.loads(jsplayer_url_json)
e0df6211 1396
83799698
PH
1397 signature = self._decrypt_signature(
1398 encrypted_sig, video_id, player_url, age_gate)
c5e8d7af
PH
1399 url += '&signature=' + signature
1400 if 'ratebypass' not in url:
1401 url += '&ratebypass=yes'
1402 url_map[url_data['itag'][0]] = url
1d043b93 1403 video_url_list = self._get_video_url_list(url_map)
1d043b93
JMF
1404 elif video_info.get('hlsvp'):
1405 manifest_url = video_info['hlsvp'][0]
1406 url_map = self._extract_from_m3u8(manifest_url, video_id)
1407 video_url_list = self._get_video_url_list(url_map)
c5e8d7af 1408 else:
9abb3204 1409 raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
c5e8d7af 1410
4ea3be0a 1411 formats = []
600cc1a4 1412 for itag, video_real_url in video_url_list:
c5e8d7af 1413 # Extension
600cc1a4 1414 video_extension = self._video_extensions.get(itag, 'flv')
c5e8d7af 1415
600cc1a4
JMF
1416 video_format = '{0} - {1}{2}'.format(itag if itag else video_extension,
1417 self._video_dimensions.get(itag, '???'),
1418 ' ('+self._special_itags[itag]+')' if itag in self._special_itags else '')
4ea3be0a 1419 note = self._special_itags.get(itag, None)
1420 resolution = self._video_dimensions.get(itag, None)
1421
1422 formats.append({
1423 'url': video_real_url,
1424 'ext': video_extension,
1425 'format': video_format,
1426 'format_id': itag,
1427 'player_url': player_url,
1428 '_resolution': resolution,
1429 'format_note': note,
c5e8d7af 1430 })
4ea3be0a 1431
1432 return {
1433 'id': video_id,
1434 'uploader': video_uploader,
1435 'uploader_id': video_uploader_id,
1436 'upload_date': upload_date,
1437 'title': video_title,
1438 'thumbnail': video_thumbnail,
1439 'description': video_description,
1440 'subtitles': video_subtitles,
1441 'duration': video_duration,
1442 'age_limit': 18 if age_gate else 0,
1443 'annotations': video_annotations,
1444 'webpage_url': 'https://www.youtube.com/watch?v=%s' % video_id,
1445 'view_count': view_count,
1446 'like_count': like_count,
1447 'dislike_count': dislike_count,
1448 'formats': formats,
1449 }
c5e8d7af 1450
880e1c52 1451class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
0f818663 1452 IE_DESC = u'YouTube.com playlists'
c5e8d7af
PH
1453 _VALID_URL = r"""(?:
1454 (?:https?://)?
1455 (?:\w+\.)?
1456 youtube\.com/
1457 (?:
1458 (?:course|view_play_list|my_playlists|artist|playlist|watch)
1459 \? (?:.*?&)*? (?:p|a|list)=
1460 | p/
1461 )
715c8e7b 1462 ((?:PL|EC|UU|FL|RD)?[0-9A-Za-z-_]{10,})
c5e8d7af
PH
1463 .*
1464 |
715c8e7b 1465 ((?:PL|EC|UU|FL|RD)[0-9A-Za-z-_]{10,})
c5e8d7af 1466 )"""
dcbb4580
JMF
1467 _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s&page=%s'
1468 _MORE_PAGES_INDICATOR = r'data-link-type="next"'
6e47b51e 1469 _VIDEO_RE = r'href="/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&amp;[^"]*?index=(?P<index>\d+)'
c5e8d7af
PH
1470 IE_NAME = u'youtube:playlist'
1471
1472 @classmethod
1473 def suitable(cls, url):
1474 """Receives a URL and returns True if suitable for this IE."""
1475 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
1476
880e1c52
JMF
1477 def _real_initialize(self):
1478 self._login()
1479
652cdaa2
JMF
1480 def _ids_to_results(self, ids):
1481 return [self.url_result(vid_id, 'Youtube', video_id=vid_id)
1482 for vid_id in ids]
1483
1484 def _extract_mix(self, playlist_id):
1485 # The mixes are generated from a a single video
1486 # the id of the playlist is just 'RD' + video_id
7d4afc55 1487 url = 'https://youtube.com/watch?v=%s&list=%s' % (playlist_id[-11:], playlist_id)
652cdaa2 1488 webpage = self._download_webpage(url, playlist_id, u'Downloading Youtube mix')
76d1700b
JMF
1489 title_span = (get_element_by_attribute('class', 'title long-title', webpage) or
1490 get_element_by_attribute('class', 'title ', webpage))
1491 title = clean_html(title_span)
652cdaa2
JMF
1492 video_re = r'data-index="\d+".*?href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s' % re.escape(playlist_id)
1493 ids = orderedSet(re.findall(video_re, webpage))
1494 url_results = self._ids_to_results(ids)
1495
1496 return self.playlist_result(url_results, playlist_id, title)
1497
c5e8d7af
PH
1498 def _real_extract(self, url):
1499 # Extract playlist id
1500 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1501 if mobj is None:
1502 raise ExtractorError(u'Invalid URL: %s' % url)
47192f92
FV
1503 playlist_id = mobj.group(1) or mobj.group(2)
1504
1505 # Check if it's a video-specific URL
7c61bd36 1506 query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
47192f92
FV
1507 if 'v' in query_dict:
1508 video_id = query_dict['v'][0]
1509 if self._downloader.params.get('noplaylist'):
1510 self.to_screen(u'Downloading just video %s because of --no-playlist' % video_id)
7012b23c 1511 return self.url_result(video_id, 'Youtube', video_id=video_id)
47192f92
FV
1512 else:
1513 self.to_screen(u'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id, video_id))
c5e8d7af 1514
7d4afc55 1515 if playlist_id.startswith('RD'):
652cdaa2
JMF
1516 # Mixes require a custom extraction process
1517 return self._extract_mix(playlist_id)
0a688bc0
JMF
1518 if playlist_id.startswith('TL'):
1519 raise ExtractorError(u'For downloading YouTube.com top lists, use '
1520 u'the "yttoplist" keyword, for example "youtube-dl \'yttoplist:music:Top Tracks\'"', expected=True)
652cdaa2 1521
dcbb4580
JMF
1522 # Extract the video ids from the playlist pages
1523 ids = []
c5e8d7af 1524
755eb032 1525 for page_num in itertools.count(1):
dcbb4580 1526 url = self._TEMPLATE_URL % (playlist_id, page_num)
c5e8d7af 1527 page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
6e47b51e
JMF
1528 matches = re.finditer(self._VIDEO_RE, page)
1529 # We remove the duplicates and the link with index 0
1530 # (it's not the first video of the playlist)
1531 new_ids = orderedSet(m.group('id') for m in matches if m.group('index') != '0')
dcbb4580 1532 ids.extend(new_ids)
c5e8d7af 1533
dcbb4580 1534 if re.search(self._MORE_PAGES_INDICATOR, page) is None:
c5e8d7af
PH
1535 break
1536
dcbb4580 1537 playlist_title = self._og_search_title(page)
c5e8d7af 1538
652cdaa2 1539 url_results = self._ids_to_results(ids)
dcbb4580 1540 return self.playlist_result(url_results, playlist_id, playlist_title)
c5e8d7af
PH
1541
1542
0a688bc0
JMF
1543class YoutubeTopListIE(YoutubePlaylistIE):
1544 IE_NAME = u'youtube:toplist'
1545 IE_DESC = (u'YouTube.com top lists, "yttoplist:{channel}:{list title}"'
1546 u' (Example: "yttoplist:music:Top Tracks")')
1547 _VALID_URL = r'yttoplist:(?P<chann>.*?):(?P<title>.*?)$'
1548
1549 def _real_extract(self, url):
1550 mobj = re.match(self._VALID_URL, url)
1551 channel = mobj.group('chann')
1552 title = mobj.group('title')
1553 query = compat_urllib_parse.urlencode({'title': title})
1554 playlist_re = 'href="([^"]+?%s[^"]+?)"' % re.escape(query)
1555 channel_page = self._download_webpage('https://www.youtube.com/%s' % channel, title)
1556 link = self._html_search_regex(playlist_re, channel_page, u'list')
1557 url = compat_urlparse.urljoin('https://www.youtube.com/', link)
1558
1559 video_re = r'data-index="\d+".*?data-video-id="([0-9A-Za-z_-]{11})"'
1560 ids = []
1561 # sometimes the webpage doesn't contain the videos
1562 # retry until we get them
1563 for i in itertools.count(0):
1564 msg = u'Downloading Youtube mix'
1565 if i > 0:
1566 msg += ', retry #%d' % i
1567 webpage = self._download_webpage(url, title, msg)
1568 ids = orderedSet(re.findall(video_re, webpage))
1569 if ids:
1570 break
1571 url_results = self._ids_to_results(ids)
1572 return self.playlist_result(url_results, playlist_title=title)
1573
1574
c5e8d7af 1575class YoutubeChannelIE(InfoExtractor):
0f818663 1576 IE_DESC = u'YouTube.com channels'
c5e8d7af 1577 _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
c5e8d7af 1578 _MORE_PAGES_INDICATOR = 'yt-uix-load-more'
252580c5 1579 _MORE_PAGES_URL = 'http://www.youtube.com/c4_browse_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
c5e8d7af
PH
1580 IE_NAME = u'youtube:channel'
1581
1582 def extract_videos_from_page(self, page):
1583 ids_in_page = []
1584 for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
1585 if mobj.group(1) not in ids_in_page:
1586 ids_in_page.append(mobj.group(1))
1587 return ids_in_page
1588
1589 def _real_extract(self, url):
1590 # Extract channel id
1591 mobj = re.match(self._VALID_URL, url)
1592 if mobj is None:
1593 raise ExtractorError(u'Invalid URL: %s' % url)
1594
1595 # Download channel page
1596 channel_id = mobj.group(1)
1597 video_ids = []
b9643eed
JMF
1598 url = 'https://www.youtube.com/channel/%s/videos' % channel_id
1599 channel_page = self._download_webpage(url, channel_id)
31812a9e
PH
1600 autogenerated = re.search(r'''(?x)
1601 class="[^"]*?(?:
1602 channel-header-autogenerated-label|
1603 yt-channel-title-autogenerated
1604 )[^"]*"''', channel_page) is not None
c5e8d7af 1605
b9643eed
JMF
1606 if autogenerated:
1607 # The videos are contained in a single page
1608 # the ajax pages can't be used, they are empty
1609 video_ids = self.extract_videos_from_page(channel_page)
1610 else:
1611 # Download all channel pages using the json-based channel_ajax query
1612 for pagenum in itertools.count(1):
1613 url = self._MORE_PAGES_URL % (pagenum, channel_id)
1614 page = self._download_webpage(url, channel_id,
1615 u'Downloading page #%s' % pagenum)
1616
1617 page = json.loads(page)
1618
1619 ids_in_page = self.extract_videos_from_page(page['content_html'])
1620 video_ids.extend(ids_in_page)
1621
1622 if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
1623 break
c5e8d7af
PH
1624
1625 self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
1626
7012b23c
PH
1627 url_entries = [self.url_result(video_id, 'Youtube', video_id=video_id)
1628 for video_id in video_ids]
1629 return self.playlist_result(url_entries, channel_id)
c5e8d7af
PH
1630
1631
1632class YoutubeUserIE(InfoExtractor):
0f818663 1633 IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)'
57da92b7 1634 _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?(?!(?:attribution_link|watch)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
c5e8d7af
PH
1635 _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
1636 _GDATA_PAGE_SIZE = 50
fd9cf738 1637 _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
c5e8d7af
PH
1638 IE_NAME = u'youtube:user'
1639
e3ea4790 1640 @classmethod
f4b05232 1641 def suitable(cls, url):
e3ea4790
JMF
1642 # Don't return True if the url can be extracted with other youtube
1643 # extractor, the regex would is too permissive and it would match.
1644 other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
1645 if any(ie.suitable(url) for ie in other_ies): return False
f4b05232
JMF
1646 else: return super(YoutubeUserIE, cls).suitable(url)
1647
c5e8d7af
PH
1648 def _real_extract(self, url):
1649 # Extract username
1650 mobj = re.match(self._VALID_URL, url)
1651 if mobj is None:
1652 raise ExtractorError(u'Invalid URL: %s' % url)
1653
1654 username = mobj.group(1)
1655
1656 # Download video ids using YouTube Data API. Result size per
1657 # query is limited (currently to 50 videos) so we need to query
1658 # page by page until there are no video ids - it means we got
1659 # all of them.
1660
1661 video_ids = []
c5e8d7af 1662
755eb032 1663 for pagenum in itertools.count(0):
c5e8d7af
PH
1664 start_index = pagenum * self._GDATA_PAGE_SIZE + 1
1665
1666 gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
1667 page = self._download_webpage(gdata_url, username,
1668 u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
1669
fd9cf738
JMF
1670 try:
1671 response = json.loads(page)
1672 except ValueError as err:
1673 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
71c82637
JMF
1674 if 'entry' not in response['feed']:
1675 # Number of videos is a multiple of self._MAX_RESULTS
1676 break
fd9cf738 1677
c5e8d7af
PH
1678 # Extract video identifiers
1679 ids_in_page = []
fd9cf738
JMF
1680 for entry in response['feed']['entry']:
1681 ids_in_page.append(entry['id']['$t'].split('/')[-1])
c5e8d7af
PH
1682 video_ids.extend(ids_in_page)
1683
1684 # A little optimization - if current page is not
1685 # "full", ie. does not contain PAGE_SIZE video ids then
1686 # we can assume that this page is the last one - there
1687 # are no more ids on further pages - no need to query
1688 # again.
1689
1690 if len(ids_in_page) < self._GDATA_PAGE_SIZE:
1691 break
1692
7012b23c
PH
1693 url_results = [
1694 self.url_result(video_id, 'Youtube', video_id=video_id)
1695 for video_id in video_ids]
1696 return self.playlist_result(url_results, playlist_title=username)
1697
b05654f0
PH
1698
1699class YoutubeSearchIE(SearchInfoExtractor):
0f818663 1700 IE_DESC = u'YouTube.com searches'
b05654f0
PH
1701 _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1702 _MAX_RESULTS = 1000
1703 IE_NAME = u'youtube:search'
1704 _SEARCH_KEY = 'ytsearch'
1705
b05654f0
PH
1706 def _get_n_results(self, query, n):
1707 """Get a specified number of results for a query"""
1708
1709 video_ids = []
1710 pagenum = 0
1711 limit = n
1712
1713 while (50 * pagenum) < limit:
b05654f0 1714 result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1)
7cc3570e
PH
1715 data_json = self._download_webpage(
1716 result_url, video_id=u'query "%s"' % query,
1717 note=u'Downloading page %s' % (pagenum + 1),
1718 errnote=u'Unable to download API page')
1719 data = json.loads(data_json)
1720 api_response = data['data']
1721
1722 if 'items' not in api_response:
b05654f0
PH
1723 raise ExtractorError(u'[youtube] No video results')
1724
1725 new_ids = list(video['id'] for video in api_response['items'])
1726 video_ids += new_ids
1727
1728 limit = min(n, api_response['totalItems'])
1729 pagenum += 1
1730
1731 if len(video_ids) > n:
1732 video_ids = video_ids[:n]
7012b23c
PH
1733 videos = [self.url_result(video_id, 'Youtube', video_id=video_id)
1734 for video_id in video_ids]
b05654f0 1735 return self.playlist_result(videos, query)
75dff0ee 1736
a3dd9248 1737class YoutubeSearchDateIE(YoutubeSearchIE):
cb7fb546 1738 IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
a3dd9248
CM
1739 _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc&orderby=published'
1740 _SEARCH_KEY = 'ytsearchdate'
08fb86c4 1741 IE_DESC = u'YouTube.com searches, newest videos first'
75dff0ee
JMF
1742
1743class YoutubeShowIE(InfoExtractor):
0f818663 1744 IE_DESC = u'YouTube.com (multi-season) shows'
75dff0ee
JMF
1745 _VALID_URL = r'https?://www\.youtube\.com/show/(.*)'
1746 IE_NAME = u'youtube:show'
1747
1748 def _real_extract(self, url):
1749 mobj = re.match(self._VALID_URL, url)
1750 show_name = mobj.group(1)
1751 webpage = self._download_webpage(url, show_name, u'Downloading show webpage')
1752 # There's one playlist for each season of the show
1753 m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
1754 self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons)))
1755 return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
04cc9617
JMF
1756
1757
b2e8bc1b 1758class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
d7ae0639
JMF
1759 """
1760 Base class for extractors that fetch info from
1761 http://www.youtube.com/feed_ajax
1762 Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1763 """
b2e8bc1b 1764 _LOGIN_REQUIRED = True
43ba5456
JMF
1765 # use action_load_personal_feed instead of action_load_system_feed
1766 _PERSONAL_FEED = False
04cc9617 1767
d7ae0639
JMF
1768 @property
1769 def _FEED_TEMPLATE(self):
43ba5456
JMF
1770 action = 'action_load_system_feed'
1771 if self._PERSONAL_FEED:
1772 action = 'action_load_personal_feed'
1773 return 'http://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
d7ae0639
JMF
1774
1775 @property
1776 def IE_NAME(self):
1777 return u'youtube:%s' % self._FEED_NAME
04cc9617 1778
81f0259b 1779 def _real_initialize(self):
b2e8bc1b 1780 self._login()
81f0259b 1781
04cc9617
JMF
1782 def _real_extract(self, url):
1783 feed_entries = []
0e44d838
JMF
1784 paging = 0
1785 for i in itertools.count(1):
d7ae0639
JMF
1786 info = self._download_webpage(self._FEED_TEMPLATE % paging,
1787 u'%s feed' % self._FEED_NAME,
04cc9617
JMF
1788 u'Downloading page %s' % i)
1789 info = json.loads(info)
1790 feed_html = info['feed_html']
43ba5456 1791 m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
04cc9617 1792 ids = orderedSet(m.group(1) for m in m_ids)
7012b23c
PH
1793 feed_entries.extend(
1794 self.url_result(video_id, 'Youtube', video_id=video_id)
1795 for video_id in ids)
04cc9617
JMF
1796 if info['paging'] is None:
1797 break
0e44d838 1798 paging = info['paging']
d7ae0639
JMF
1799 return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
1800
1801class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
1802 IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
1803 _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
1804 _FEED_NAME = 'subscriptions'
1805 _PLAYLIST_TITLE = u'Youtube Subscriptions'
1806
1807class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
1808 IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)'
1809 _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
1810 _FEED_NAME = 'recommended'
1811 _PLAYLIST_TITLE = u'Youtube Recommended videos'
c626a3d9 1812
43ba5456
JMF
1813class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor):
1814 IE_DESC = u'Youtube watch later list, "ytwatchlater" keyword (requires authentication)'
1815 _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
1816 _FEED_NAME = 'watch_later'
1817 _PLAYLIST_TITLE = u'Youtube Watch Later'
43ba5456 1818 _PERSONAL_FEED = True
c626a3d9 1819
f459d170
JMF
1820class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
1821 IE_DESC = u'Youtube watch history, "ythistory" keyword (requires authentication)'
1822 _VALID_URL = u'https?://www\.youtube\.com/feed/history|:ythistory'
1823 _FEED_NAME = 'history'
1824 _PERSONAL_FEED = True
1825 _PLAYLIST_TITLE = u'Youtube Watch History'
1826
c626a3d9
JMF
1827class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
1828 IE_NAME = u'youtube:favorites'
1829 IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)'
c7a7750d 1830 _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
c626a3d9
JMF
1831 _LOGIN_REQUIRED = True
1832
1833 def _real_extract(self, url):
1834 webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1835 playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id')
1836 return self.url_result(playlist_id, 'YoutubePlaylist')
15870e90
PH
1837
1838
1839class YoutubeTruncatedURLIE(InfoExtractor):
1840 IE_NAME = 'youtube:truncated_url'
1841 IE_DESC = False # Do not list
1842 _VALID_URL = r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$'
1843
1844 def _real_extract(self, url):
1845 raise ExtractorError(
1846 u'Did you forget to quote the URL? Remember that & is a meta '
1847 u'character in most shells, so you want to put the URL in quotes, '
1848 u'like youtube-dl '
1849 u'\'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\''
1850 u' (or simply youtube-dl BaW_jenozKc ).',
1851 expected=True)