]> jfr.im git - yt-dlp.git/blame - youtube_dl/extractor/youtube.py
Don't fail if the video thumbnail couldn't be downloaded (fixes #1516)
[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
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9import re
10import socket
e0df6211
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11import string
12import struct
13import traceback
055e6f36 14import xml.etree.ElementTree
e0df6211 15import zlib
c5e8d7af 16
b05654f0 17from .common import InfoExtractor, SearchInfoExtractor
54d39d8b 18from .subtitles import SubtitlesInfoExtractor
c5e8d7af 19from ..utils import (
edf3e38e 20 compat_chr,
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21 compat_http_client,
22 compat_parse_qs,
23 compat_urllib_error,
24 compat_urllib_parse,
25 compat_urllib_request,
26 compat_str,
27
28 clean_html,
29 get_element_by_id,
30 ExtractorError,
31 unescapeHTML,
32 unified_strdate,
04cc9617 33 orderedSet,
edf3e38e 34 write_json_file,
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35)
36
de7f3446 37class YoutubeBaseInfoExtractor(InfoExtractor):
b2e8bc1b
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38 """Provide base functions for Youtube extractors"""
39 _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
40 _LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
41 _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
42 _NETRC_MACHINE = 'youtube'
43 # If True it will raise an error if no login info is provided
44 _LOGIN_REQUIRED = False
45
46 def report_lang(self):
47 """Report attempt to set language."""
48 self.to_screen(u'Setting language')
49
50 def _set_language(self):
51 request = compat_urllib_request.Request(self._LANG_URL)
52 try:
53 self.report_lang()
54 compat_urllib_request.urlopen(request).read()
55 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
56 self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
57 return False
58 return True
59
60 def _login(self):
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(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
66 return False
67
68 request = compat_urllib_request.Request(self._LOGIN_URL)
69 try:
70 login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
71 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
72 self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
73 return False
74
75 galx = None
76 dsh = None
77 match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
78 if match:
79 galx = match.group(1)
80 match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
81 if match:
82 dsh = match.group(1)
c5e8d7af 83
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84 # Log in
85 login_form_strs = {
86 u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
87 u'Email': username,
88 u'GALX': galx,
89 u'Passwd': password,
90 u'PersistentCookie': u'yes',
91 u'_utf8': u'霱',
92 u'bgresponse': u'js_disabled',
93 u'checkConnection': u'',
94 u'checkedDomains': u'youtube',
95 u'dnConn': u'',
96 u'dsh': dsh,
97 u'pstMsg': u'0',
98 u'rmShown': u'1',
99 u'secTok': u'',
100 u'signIn': u'Sign in',
101 u'timeStmp': u'',
102 u'service': u'youtube',
103 u'uilel': u'3',
104 u'hl': u'en_US',
105 }
106 # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
107 # chokes on unicode
108 login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
109 login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
110 request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
111 try:
112 self.report_login()
113 login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
114 if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
115 self._downloader.report_warning(u'unable to log in: bad username or password')
116 return False
117 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
118 self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
119 return False
120 return True
121
122 def _confirm_age(self):
123 age_form = {
124 'next_url': '/',
125 'action_confirm': 'Confirm',
126 }
127 request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
128 try:
129 self.report_age_confirmation()
130 compat_urllib_request.urlopen(request).read().decode('utf-8')
131 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
132 raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
133 return True
134
135 def _real_initialize(self):
136 if self._downloader is None:
137 return
138 if not self._set_language():
139 return
140 if not self._login():
141 return
142 self._confirm_age()
c5e8d7af 143
8377574c 144
de7f3446 145class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
0f818663 146 IE_DESC = u'YouTube.com'
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147 _VALID_URL = r"""^
148 (
149 (?:https?://)? # http(s):// (optional)
f4b05232 150 (?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/|
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151 tube\.majestyc\.net/|
152 youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains
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153 (?:.*?\#/)? # handle anchor (#/) redirect urls
154 (?: # the various things that can precede the ID:
155 (?:(?:v|embed|e)/) # v/ or embed/ or e/
156 |(?: # or the v= param in all its forms
d741e55a 157 (?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
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158 (?:\?|\#!?) # the params delimiter ? or # or #!
159 (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
160 v=
161 )
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162 ))
163 |youtu\.be/ # just youtu.be/xxxx
164 )
c5e8d7af 165 )? # all until now is optional -> you can pass the naked ID
8963d9c2 166 ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID
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167 (?(1).+)? # if we found the ID, everything can follow
168 $"""
c5e8d7af 169 _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
c5e8d7af 170 # Listed in order of quality
bdc6b3fc 171 _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13',
96fb5605 172 # Apple HTTP Live Streaming
bdc6b3fc 173 '96', '95', '94', '93', '92', '132', '151',
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174 # 3D
175 '85', '84', '102', '83', '101', '82', '100',
176 # Dash video
177 '138', '137', '248', '136', '247', '135', '246',
178 '245', '244', '134', '243', '133', '242', '160',
179 # Dash audio
180 '141', '172', '140', '171', '139',
1d043b93 181 ]
bdc6b3fc 182 _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13',
96fb5605 183 # Apple HTTP Live Streaming
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184 '96', '95', '94', '93', '92', '132', '151',
185 # 3D
86fe61c8 186 '85', '102', '84', '101', '83', '100', '82',
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187 # Dash video
188 '138', '248', '137', '247', '136', '246', '245',
189 '244', '135', '243', '134', '242', '133', '160',
190 # Dash audio
191 '172', '141', '171', '140', '139',
1d043b93 192 ]
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193 _video_formats_map = {
194 'flv': ['35', '34', '6', '5'],
195 '3gp': ['36', '17', '13'],
196 'mp4': ['38', '37', '22', '18'],
197 'webm': ['46', '45', '44', '43'],
198 }
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199 _video_extensions = {
200 '13': '3gp',
bdc6b3fc 201 '17': '3gp',
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202 '18': 'mp4',
203 '22': 'mp4',
bdc6b3fc 204 '36': '3gp',
c5e8d7af 205 '37': 'mp4',
d69cf69a 206 '38': 'mp4',
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207 '43': 'webm',
208 '44': 'webm',
209 '45': 'webm',
210 '46': 'webm',
1d043b93 211
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212 # 3d videos
213 '82': 'mp4',
214 '83': 'mp4',
215 '84': 'mp4',
216 '85': 'mp4',
217 '100': 'webm',
218 '101': 'webm',
219 '102': 'webm',
836a086c 220
96fb5605 221 # Apple HTTP Live Streaming
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222 '92': 'mp4',
223 '93': 'mp4',
224 '94': 'mp4',
225 '95': 'mp4',
226 '96': 'mp4',
227 '132': 'mp4',
228 '151': 'mp4',
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229
230 # Dash mp4
231 '133': 'mp4',
232 '134': 'mp4',
233 '135': 'mp4',
234 '136': 'mp4',
235 '137': 'mp4',
236 '138': 'mp4',
237 '139': 'mp4',
238 '140': 'mp4',
239 '141': 'mp4',
240 '160': 'mp4',
241
242 # Dash webm
243 '171': 'webm',
244 '172': 'webm',
245 '242': 'webm',
246 '243': 'webm',
247 '244': 'webm',
248 '245': 'webm',
249 '246': 'webm',
250 '247': 'webm',
251 '248': 'webm',
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252 }
253 _video_dimensions = {
254 '5': '240x400',
255 '6': '???',
256 '13': '???',
257 '17': '144x176',
258 '18': '360x640',
259 '22': '720x1280',
260 '34': '360x640',
261 '35': '480x854',
bdc6b3fc 262 '36': '240x320',
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263 '37': '1080x1920',
264 '38': '3072x4096',
265 '43': '360x640',
266 '44': '480x854',
267 '45': '720x1280',
268 '46': '1080x1920',
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269 '82': '360p',
270 '83': '480p',
271 '84': '720p',
272 '85': '1080p',
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273 '92': '240p',
274 '93': '360p',
275 '94': '480p',
276 '95': '720p',
277 '96': '1080p',
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278 '100': '360p',
279 '101': '480p',
836a086c 280 '102': '720p',
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281 '132': '240p',
282 '151': '72p',
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283 '133': '240p',
284 '134': '360p',
285 '135': '480p',
286 '136': '720p',
287 '137': '1080p',
288 '138': '>1080p',
289 '139': '48k',
290 '140': '128k',
291 '141': '256k',
292 '160': '192p',
293 '171': '128k',
294 '172': '256k',
295 '242': '240p',
296 '243': '360p',
297 '244': '480p',
298 '245': '480p',
299 '246': '480p',
300 '247': '720p',
301 '248': '1080p',
c5e8d7af 302 }
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303 _special_itags = {
304 '82': '3D',
305 '83': '3D',
306 '84': '3D',
307 '85': '3D',
308 '100': '3D',
309 '101': '3D',
310 '102': '3D',
311 '133': 'DASH Video',
312 '134': 'DASH Video',
313 '135': 'DASH Video',
314 '136': 'DASH Video',
315 '137': 'DASH Video',
316 '138': 'DASH Video',
317 '139': 'DASH Audio',
318 '140': 'DASH Audio',
319 '141': 'DASH Audio',
320 '160': 'DASH Video',
321 '171': 'DASH Audio',
322 '172': 'DASH Audio',
323 '242': 'DASH Video',
324 '243': 'DASH Video',
325 '244': 'DASH Video',
326 '245': 'DASH Video',
327 '246': 'DASH Video',
328 '247': 'DASH Video',
329 '248': 'DASH Video',
c5e8d7af 330 }
836a086c 331
c5e8d7af 332 IE_NAME = u'youtube'
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333 _TESTS = [
334 {
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335 u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc",
336 u"file": u"BaW_jenozKc.mp4",
337 u"info_dict": {
338 u"title": u"youtube-dl test video \"'/\\ä↭𝕐",
339 u"uploader": u"Philipp Hagemeister",
340 u"uploader_id": u"phihag",
341 u"upload_date": u"20121002",
342 u"description": u"test chars: \"'/\\ä↭𝕐\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de ."
2eb88d95 343 }
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344 },
345 {
346 u"url": u"http://www.youtube.com/watch?v=1ltcDfZMA3U",
347 u"file": u"1ltcDfZMA3U.flv",
348 u"note": u"Test VEVO video (#897)",
349 u"info_dict": {
350 u"upload_date": u"20070518",
351 u"title": u"Maps - It Will Find You",
352 u"description": u"Music video by Maps performing It Will Find You.",
353 u"uploader": u"MuteUSA",
354 u"uploader_id": u"MuteUSA"
2eb88d95 355 }
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356 },
357 {
358 u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY",
359 u"file": u"UxxajLWwzqY.mp4",
360 u"note": u"Test generic use_cipher_signature video (#897)",
361 u"info_dict": {
362 u"upload_date": u"20120506",
363 u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
bb0eee71 364 u"description": u"md5:bdac09887d209a4ed54b8f76b2bdaa8b",
45ed795c 365 u"uploader": u"Icona Pop",
0e853ca4 366 u"uploader_id": u"IconaPop"
2eb88d95 367 }
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368 },
369 {
370 u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ",
371 u"file": u"07FYdnEawAQ.mp4",
372 u"note": u"Test VEVO video with age protection (#956)",
373 u"info_dict": {
374 u"upload_date": u"20130703",
375 u"title": u"Justin Timberlake - Tunnel Vision (Explicit)",
376 u"description": u"md5:64249768eec3bc4276236606ea996373",
377 u"uploader": u"justintimberlakeVEVO",
378 u"uploader_id": u"justintimberlakeVEVO"
379 }
380 },
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381 {
382 u'url': u'https://www.youtube.com/watch?v=TGi3HqYrWHE',
383 u'file': u'TGi3HqYrWHE.mp4',
384 u'note': u'm3u8 video',
385 u'info_dict': {
386 u'title': u'Triathlon - Men - London 2012 Olympic Games',
387 u'description': u'- Men - TR02 - Triathlon - 07 August 2012 - London 2012 Olympic Games',
388 u'uploader': u'olympic',
389 u'upload_date': u'20120807',
390 u'uploader_id': u'olympic',
391 },
392 u'params': {
393 u'skip_download': True,
394 },
395 },
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396 ]
397
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398
399 @classmethod
400 def suitable(cls, url):
401 """Receives a URL and returns True if suitable for this IE."""
e3ea4790 402 if YoutubePlaylistIE.suitable(url): return False
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403 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
404
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405 def __init__(self, *args, **kwargs):
406 super(YoutubeIE, self).__init__(*args, **kwargs)
83799698 407 self._player_cache = {}
e0df6211 408
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409 def report_video_webpage_download(self, video_id):
410 """Report attempt to download video webpage."""
411 self.to_screen(u'%s: Downloading video webpage' % video_id)
412
413 def report_video_info_webpage_download(self, video_id):
414 """Report attempt to download video info webpage."""
415 self.to_screen(u'%s: Downloading video info webpage' % video_id)
416
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417 def report_information_extraction(self, video_id):
418 """Report attempt to extract video information."""
419 self.to_screen(u'%s: Extracting video information' % video_id)
420
421 def report_unavailable_format(self, video_id, format):
422 """Report extracted video URL."""
423 self.to_screen(u'%s: Format %s not available' % (video_id, format))
424
425 def report_rtmp_download(self):
426 """Indicate the download will use the RTMP protocol."""
427 self.to_screen(u'RTMP download detected')
428
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429 def _extract_signature_function(self, video_id, player_url, slen):
430 id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$',
83799698 431 player_url)
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432 player_type = id_m.group('ext')
433 player_id = id_m.group('id')
434
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435 # Read from filesystem cache
436 func_id = '%s_%s_%d' % (player_type, player_id, slen)
437 assert os.path.basename(func_id) == func_id
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438 cache_dir = self._downloader.params.get('cachedir',
439 u'~/.youtube-dl/cache')
c4417ddb 440
c3c88a26 441 cache_enabled = cache_dir is not None
f8061589 442 if cache_enabled:
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443 cache_fn = os.path.join(os.path.expanduser(cache_dir),
444 u'youtube-sigfuncs',
445 func_id + '.json')
446 try:
edf3e38e 447 with io.open(cache_fn, 'r', encoding='utf-8') as cachef:
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448 cache_spec = json.load(cachef)
449 return lambda s: u''.join(s[i] for i in cache_spec)
edf3e38e 450 except IOError:
c4417ddb 451 pass # No cache available
83799698 452
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453 if player_type == 'js':
454 code = self._download_webpage(
455 player_url, video_id,
83799698 456 note=u'Downloading %s player %s' % (player_type, player_id),
e0df6211 457 errnote=u'Download of %s failed' % player_url)
83799698 458 res = self._parse_sig_js(code)
c4417ddb 459 elif player_type == 'swf':
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460 urlh = self._request_webpage(
461 player_url, video_id,
83799698 462 note=u'Downloading %s player %s' % (player_type, player_id),
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463 errnote=u'Download of %s failed' % player_url)
464 code = urlh.read()
83799698 465 res = self._parse_sig_swf(code)
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466 else:
467 assert False, 'Invalid player type %r' % player_type
468
f8061589 469 if cache_enabled:
edf3e38e 470 try:
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471 test_string = u''.join(map(compat_chr, range(slen)))
472 cache_res = res(test_string)
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473 cache_spec = [ord(c) for c in cache_res]
474 try:
475 os.makedirs(os.path.dirname(cache_fn))
476 except OSError as ose:
477 if ose.errno != errno.EEXIST:
478 raise
479 write_json_file(cache_spec, cache_fn)
0ca96d48 480 except Exception:
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481 tb = traceback.format_exc()
482 self._downloader.report_warning(
483 u'Writing cache to %r failed: %s' % (cache_fn, tb))
83799698
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484
485 return res
486
edf3e38e
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487 def _print_sig_code(self, func, slen):
488 def gen_sig_code(idxs):
489 def _genslice(start, end, step):
490 starts = u'' if start == 0 else str(start)
e35e4ddc
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491 ends = (u':%d' % (end+step)) if end + step >= 0 else u':'
492 steps = u'' if step == 1 else (u':%d' % step)
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493 return u's[%s%s%s]' % (starts, ends, steps)
494
495 step = None
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496 start = '(Never used)' # Quelch pyflakes warnings - start will be
497 # set as soon as step is set
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498 for i, prev in zip(idxs[1:], idxs[:-1]):
499 if step is not None:
500 if i - prev == step:
501 continue
502 yield _genslice(start, prev, step)
503 step = None
504 continue
505 if i - prev in [-1, 1]:
506 step = i - prev
507 start = prev
508 continue
509 else:
510 yield u's[%d]' % prev
511 if step is None:
512 yield u's[%d]' % i
513 else:
514 yield _genslice(start, i, step)
515
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516 test_string = u''.join(map(compat_chr, range(slen)))
517 cache_res = func(test_string)
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518 cache_spec = [ord(c) for c in cache_res]
519 expr_code = u' + '.join(gen_sig_code(cache_spec))
520 code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code)
f8061589 521 self.to_screen(u'Extracted signature function:\n' + code)
edf3e38e 522
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523 def _parse_sig_js(self, jscode):
524 funcname = self._search_regex(
525 r'signature=([a-zA-Z]+)', jscode,
526 u'Initial JS player signature function name')
527
528 functions = {}
529
530 def argidx(varname):
531 return string.lowercase.index(varname)
532
533 def interpret_statement(stmt, local_vars, allow_recursion=20):
534 if allow_recursion < 0:
0ca96d48 535 raise ExtractorError(u'Recursion limit reached')
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536
537 if stmt.startswith(u'var '):
538 stmt = stmt[len(u'var '):]
539 ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
540 r'=(?P<expr>.*)$', stmt)
541 if ass_m:
542 if ass_m.groupdict().get('index'):
543 def assign(val):
544 lvar = local_vars[ass_m.group('out')]
545 idx = interpret_expression(ass_m.group('index'),
546 local_vars, allow_recursion)
547 assert isinstance(idx, int)
548 lvar[idx] = val
549 return val
550 expr = ass_m.group('expr')
551 else:
552 def assign(val):
553 local_vars[ass_m.group('out')] = val
554 return val
555 expr = ass_m.group('expr')
556 elif stmt.startswith(u'return '):
557 assign = lambda v: v
558 expr = stmt[len(u'return '):]
559 else:
560 raise ExtractorError(
561 u'Cannot determine left side of statement in %r' % stmt)
562
563 v = interpret_expression(expr, local_vars, allow_recursion)
564 return assign(v)
565
566 def interpret_expression(expr, local_vars, allow_recursion):
567 if expr.isdigit():
568 return int(expr)
569
570 if expr.isalpha():
571 return local_vars[expr]
572
573 m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr)
574 if m:
575 member = m.group('member')
576 val = local_vars[m.group('in')]
577 if member == 'split("")':
578 return list(val)
579 if member == 'join("")':
580 return u''.join(val)
581 if member == 'length':
582 return len(val)
583 if member == 'reverse()':
584 return val[::-1]
585 slice_m = re.match(r'slice\((?P<idx>.*)\)', member)
586 if slice_m:
587 idx = interpret_expression(
588 slice_m.group('idx'), local_vars, allow_recursion-1)
589 return val[idx:]
590
591 m = re.match(
592 r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr)
593 if m:
594 val = local_vars[m.group('in')]
595 idx = interpret_expression(m.group('idx'), local_vars,
596 allow_recursion-1)
597 return val[idx]
598
599 m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr)
600 if m:
601 a = interpret_expression(m.group('a'),
602 local_vars, allow_recursion)
603 b = interpret_expression(m.group('b'),
604 local_vars, allow_recursion)
605 return a % b
606
607 m = re.match(
608 r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr)
609 if m:
610 fname = m.group('func')
611 if fname not in functions:
612 functions[fname] = extract_function(fname)
613 argvals = [int(v) if v.isdigit() else local_vars[v]
614 for v in m.group('args').split(',')]
615 return functions[fname](argvals)
616 raise ExtractorError(u'Unsupported JS expression %r' % expr)
617
618 def extract_function(funcname):
619 func_m = re.search(
620 r'function ' + re.escape(funcname) +
621 r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
622 jscode)
623 argnames = func_m.group('args').split(',')
624
625 def resf(args):
626 local_vars = dict(zip(argnames, args))
627 for stmt in func_m.group('code').split(';'):
628 res = interpret_statement(stmt, local_vars)
629 return res
630 return resf
631
632 initial_function = extract_function(funcname)
633 return lambda s: initial_function([s])
634
635 def _parse_sig_swf(self, file_contents):
636 if file_contents[1:3] != b'WS':
637 raise ExtractorError(
638 u'Not an SWF file; header is %r' % file_contents[:3])
639 if file_contents[:1] == b'C':
640 content = zlib.decompress(file_contents[8:])
641 else:
642 raise NotImplementedError(u'Unsupported compression format %r' %
643 file_contents[:1])
644
645 def extract_tags(content):
646 pos = 0
647 while pos < len(content):
648 header16 = struct.unpack('<H', content[pos:pos+2])[0]
649 pos += 2
650 tag_code = header16 >> 6
651 tag_len = header16 & 0x3f
652 if tag_len == 0x3f:
653 tag_len = struct.unpack('<I', content[pos:pos+4])[0]
654 pos += 4
655 assert pos+tag_len <= len(content)
656 yield (tag_code, content[pos:pos+tag_len])
657 pos += tag_len
658
659 code_tag = next(tag
660 for tag_code, tag in extract_tags(content)
661 if tag_code == 82)
662 p = code_tag.index(b'\0', 4) + 1
ba552f54 663 code_reader = io.BytesIO(code_tag[p:])
e0df6211
PH
664
665 # Parse ABC (AVM2 ByteCode)
ba552f54
PH
666 def read_int(reader=None):
667 if reader is None:
668 reader = code_reader
e0df6211
PH
669 res = 0
670 shift = 0
671 for _ in range(5):
ba552f54
PH
672 buf = reader.read(1)
673 assert len(buf) == 1
674 b = struct.unpack('<B', buf)[0]
e0df6211
PH
675 res = res | ((b & 0x7f) << shift)
676 if b & 0x80 == 0:
677 break
678 shift += 7
ba552f54
PH
679 return res
680
681 def u30(reader=None):
682 res = read_int(reader)
683 assert res & 0xf0000000 == 0
e0df6211
PH
684 return res
685 u32 = read_int
686
ba552f54
PH
687 def s32(reader=None):
688 v = read_int(reader)
e0df6211
PH
689 if v & 0x80000000 != 0:
690 v = - ((v ^ 0xffffffff) + 1)
ba552f54
PH
691 return v
692
0ca96d48 693 def read_string(reader=None):
ba552f54
PH
694 if reader is None:
695 reader = code_reader
696 slen = u30(reader)
697 resb = reader.read(slen)
698 assert len(resb) == slen
699 return resb.decode('utf-8')
700
701 def read_bytes(count, reader=None):
702 if reader is None:
703 reader = code_reader
704 resb = reader.read(count)
705 assert len(resb) == count
706 return resb
707
708 def read_byte(reader=None):
709 resb = read_bytes(1, reader=reader)
710 res = struct.unpack('<B', resb)[0]
711 return res
e0df6211
PH
712
713 # minor_version + major_version
0ca96d48 714 read_bytes(2 + 2)
e0df6211
PH
715
716 # Constant pool
ba552f54 717 int_count = u30()
e0df6211 718 for _c in range(1, int_count):
0ca96d48 719 s32()
ba552f54 720 uint_count = u30()
e0df6211 721 for _c in range(1, uint_count):
0ca96d48 722 u32()
ba552f54 723 double_count = u30()
0ca96d48 724 read_bytes((double_count-1) * 8)
ba552f54 725 string_count = u30()
e0df6211
PH
726 constant_strings = [u'']
727 for _c in range(1, string_count):
0ca96d48 728 s = read_string()
e0df6211 729 constant_strings.append(s)
ba552f54 730 namespace_count = u30()
e0df6211 731 for _c in range(1, namespace_count):
0ca96d48
PH
732 read_bytes(1) # kind
733 u30() # name
ba552f54 734 ns_set_count = u30()
e0df6211 735 for _c in range(1, ns_set_count):
ba552f54 736 count = u30()
e0df6211 737 for _c2 in range(count):
0ca96d48 738 u30()
ba552f54 739 multiname_count = u30()
e0df6211
PH
740 MULTINAME_SIZES = {
741 0x07: 2, # QName
742 0x0d: 2, # QNameA
743 0x0f: 1, # RTQName
744 0x10: 1, # RTQNameA
745 0x11: 0, # RTQNameL
746 0x12: 0, # RTQNameLA
747 0x09: 2, # Multiname
748 0x0e: 2, # MultinameA
749 0x1b: 1, # MultinameL
750 0x1c: 1, # MultinameLA
751 }
752 multinames = [u'']
753 for _c in range(1, multiname_count):
ba552f54 754 kind = u30()
e0df6211
PH
755 assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind
756 if kind == 0x07:
0ca96d48 757 u30() # namespace_idx
ba552f54 758 name_idx = u30()
e0df6211
PH
759 multinames.append(constant_strings[name_idx])
760 else:
761 multinames.append('[MULTINAME kind: %d]' % kind)
762 for _c2 in range(MULTINAME_SIZES[kind]):
0ca96d48 763 u30()
e0df6211
PH
764
765 # Methods
ba552f54 766 method_count = u30()
e0df6211
PH
767 MethodInfo = collections.namedtuple(
768 'MethodInfo',
769 ['NEED_ARGUMENTS', 'NEED_REST'])
770 method_infos = []
771 for method_id in range(method_count):
ba552f54 772 param_count = u30()
0ca96d48 773 u30() # return type
e0df6211 774 for _ in range(param_count):
0ca96d48
PH
775 u30() # param type
776 u30() # name index (always 0 for youtube)
ba552f54 777 flags = read_byte()
e0df6211
PH
778 if flags & 0x08 != 0:
779 # Options present
ba552f54 780 option_count = u30()
e0df6211 781 for c in range(option_count):
0ca96d48
PH
782 u30() # val
783 read_bytes(1) # kind
e0df6211
PH
784 if flags & 0x80 != 0:
785 # Param names present
786 for _ in range(param_count):
0ca96d48 787 u30() # param name
e0df6211
PH
788 mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0)
789 method_infos.append(mi)
790
791 # Metadata
ba552f54 792 metadata_count = u30()
e0df6211 793 for _c in range(metadata_count):
0ca96d48 794 u30() # name
ba552f54 795 item_count = u30()
e0df6211 796 for _c2 in range(item_count):
0ca96d48
PH
797 u30() # key
798 u30() # value
ba552f54
PH
799
800 def parse_traits_info():
801 trait_name_idx = u30()
802 kind_full = read_byte()
e0df6211
PH
803 kind = kind_full & 0x0f
804 attrs = kind_full >> 4
805 methods = {}
806 if kind in [0x00, 0x06]: # Slot or Const
0ca96d48
PH
807 u30() # Slot id
808 u30() # type_name_idx
ba552f54 809 vindex = u30()
e0df6211 810 if vindex != 0:
0ca96d48 811 read_byte() # vkind
e0df6211 812 elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter
0ca96d48 813 u30() # disp_id
ba552f54 814 method_idx = u30()
e0df6211
PH
815 methods[multinames[trait_name_idx]] = method_idx
816 elif kind == 0x04: # Class
0ca96d48
PH
817 u30() # slot_id
818 u30() # classi
e0df6211 819 elif kind == 0x05: # Function
0ca96d48 820 u30() # slot_id
ba552f54 821 function_idx = u30()
e0df6211
PH
822 methods[function_idx] = multinames[trait_name_idx]
823 else:
824 raise ExtractorError(u'Unsupported trait kind %d' % kind)
825
826 if attrs & 0x4 != 0: # Metadata present
ba552f54 827 metadata_count = u30()
e0df6211 828 for _c3 in range(metadata_count):
0ca96d48 829 u30() # metadata index
e0df6211 830
ba552f54 831 return methods
e0df6211
PH
832
833 # Classes
834 TARGET_CLASSNAME = u'SignatureDecipher'
835 searched_idx = multinames.index(TARGET_CLASSNAME)
836 searched_class_id = None
ba552f54 837 class_count = u30()
e0df6211 838 for class_id in range(class_count):
ba552f54 839 name_idx = u30()
e0df6211
PH
840 if name_idx == searched_idx:
841 # We found the class we're looking for!
842 searched_class_id = class_id
0ca96d48 843 u30() # super_name idx
ba552f54 844 flags = read_byte()
e0df6211 845 if flags & 0x08 != 0: # Protected namespace is present
0ca96d48 846 u30() # protected_ns_idx
ba552f54 847 intrf_count = u30()
e0df6211 848 for _c2 in range(intrf_count):
0ca96d48
PH
849 u30()
850 u30() # iinit
ba552f54 851 trait_count = u30()
e0df6211 852 for _c2 in range(trait_count):
0ca96d48 853 parse_traits_info()
e0df6211
PH
854
855 if searched_class_id is None:
856 raise ExtractorError(u'Target class %r not found' %
857 TARGET_CLASSNAME)
858
859 method_names = {}
860 method_idxs = {}
861 for class_id in range(class_count):
0ca96d48 862 u30() # cinit
ba552f54 863 trait_count = u30()
e0df6211 864 for _c2 in range(trait_count):
ba552f54 865 trait_methods = parse_traits_info()
e0df6211
PH
866 if class_id == searched_class_id:
867 method_names.update(trait_methods.items())
868 method_idxs.update(dict(
869 (idx, name)
870 for name, idx in trait_methods.items()))
871
872 # Scripts
ba552f54 873 script_count = u30()
e0df6211 874 for _c in range(script_count):
0ca96d48 875 u30() # init
ba552f54 876 trait_count = u30()
e0df6211 877 for _c2 in range(trait_count):
0ca96d48 878 parse_traits_info()
e0df6211
PH
879
880 # Method bodies
ba552f54 881 method_body_count = u30()
e0df6211
PH
882 Method = collections.namedtuple('Method', ['code', 'local_count'])
883 methods = {}
884 for _c in range(method_body_count):
ba552f54 885 method_idx = u30()
0ca96d48 886 u30() # max_stack
ba552f54 887 local_count = u30()
0ca96d48
PH
888 u30() # init_scope_depth
889 u30() # max_scope_depth
ba552f54
PH
890 code_length = u30()
891 code = read_bytes(code_length)
e0df6211 892 if method_idx in method_idxs:
ba552f54 893 m = Method(code, local_count)
e0df6211 894 methods[method_idxs[method_idx]] = m
ba552f54 895 exception_count = u30()
e0df6211 896 for _c2 in range(exception_count):
0ca96d48
PH
897 u30() # from
898 u30() # to
899 u30() # target
900 u30() # exc_type
901 u30() # var_name
ba552f54 902 trait_count = u30()
e0df6211 903 for _c2 in range(trait_count):
0ca96d48 904 parse_traits_info()
e0df6211 905
ba552f54 906 assert p + code_reader.tell() == len(code_tag)
e0df6211
PH
907 assert len(methods) == len(method_idxs)
908
909 method_pyfunctions = {}
910
911 def extract_function(func_name):
912 if func_name in method_pyfunctions:
913 return method_pyfunctions[func_name]
914 if func_name not in methods:
915 raise ExtractorError(u'Cannot find function %r' % func_name)
916 m = methods[func_name]
917
918 def resfunc(args):
e0df6211
PH
919 registers = ['(this)'] + list(args) + [None] * m.local_count
920 stack = []
921 coder = io.BytesIO(m.code)
922 while True:
923 opcode = struct.unpack('!B', coder.read(1))[0]
a7177865 924 if opcode == 36: # pushbyte
e0df6211
PH
925 v = struct.unpack('!B', coder.read(1))[0]
926 stack.append(v)
927 elif opcode == 44: # pushstring
928 idx = u30(coder)
929 stack.append(constant_strings[idx])
930 elif opcode == 48: # pushscope
931 # We don't implement the scope register, so we'll just
932 # ignore the popped value
933 stack.pop()
934 elif opcode == 70: # callproperty
935 index = u30(coder)
936 mname = multinames[index]
937 arg_count = u30(coder)
938 args = list(reversed(
939 [stack.pop() for _ in range(arg_count)]))
940 obj = stack.pop()
941 if mname == u'split':
942 assert len(args) == 1
943 assert isinstance(args[0], compat_str)
944 assert isinstance(obj, compat_str)
945 if args[0] == u'':
946 res = list(obj)
947 else:
948 res = obj.split(args[0])
949 stack.append(res)
a7177865
PH
950 elif mname == u'slice':
951 assert len(args) == 1
952 assert isinstance(args[0], int)
953 assert isinstance(obj, list)
954 res = obj[args[0]:]
955 stack.append(res)
956 elif mname == u'join':
957 assert len(args) == 1
958 assert isinstance(args[0], compat_str)
959 assert isinstance(obj, list)
960 res = args[0].join(obj)
961 stack.append(res)
e0df6211
PH
962 elif mname in method_pyfunctions:
963 stack.append(method_pyfunctions[mname](args))
964 else:
965 raise NotImplementedError(
966 u'Unsupported property %r on %r'
967 % (mname, obj))
a7177865
PH
968 elif opcode == 72: # returnvalue
969 res = stack.pop()
970 return res
971 elif opcode == 79: # callpropvoid
972 index = u30(coder)
973 mname = multinames[index]
974 arg_count = u30(coder)
975 args = list(reversed(
976 [stack.pop() for _ in range(arg_count)]))
977 obj = stack.pop()
978 if mname == u'reverse':
979 assert isinstance(obj, list)
980 obj.reverse()
981 else:
982 raise NotImplementedError(
983 u'Unsupported (void) property %r on %r'
984 % (mname, obj))
e0df6211
PH
985 elif opcode == 93: # findpropstrict
986 index = u30(coder)
987 mname = multinames[index]
988 res = extract_function(mname)
989 stack.append(res)
990 elif opcode == 97: # setproperty
991 index = u30(coder)
992 value = stack.pop()
993 idx = stack.pop()
994 obj = stack.pop()
995 assert isinstance(obj, list)
996 assert isinstance(idx, int)
997 obj[idx] = value
998 elif opcode == 98: # getlocal
999 index = u30(coder)
1000 stack.append(registers[index])
1001 elif opcode == 99: # setlocal
1002 index = u30(coder)
1003 value = stack.pop()
1004 registers[index] = value
1005 elif opcode == 102: # getproperty
1006 index = u30(coder)
1007 pname = multinames[index]
1008 if pname == u'length':
1009 obj = stack.pop()
1010 assert isinstance(obj, list)
1011 stack.append(len(obj))
1012 else: # Assume attribute access
1013 idx = stack.pop()
1014 assert isinstance(idx, int)
1015 obj = stack.pop()
1016 assert isinstance(obj, list)
1017 stack.append(obj[idx])
1018 elif opcode == 128: # coerce
0ca96d48 1019 u30(coder)
e0df6211
PH
1020 elif opcode == 133: # coerce_s
1021 assert isinstance(stack[-1], (type(None), compat_str))
1022 elif opcode == 164: # modulo
1023 value2 = stack.pop()
1024 value1 = stack.pop()
1025 res = value1 % value2
1026 stack.append(res)
a7177865
PH
1027 elif opcode == 208: # getlocal_0
1028 stack.append(registers[0])
1029 elif opcode == 209: # getlocal_1
1030 stack.append(registers[1])
1031 elif opcode == 210: # getlocal_2
1032 stack.append(registers[2])
1033 elif opcode == 211: # getlocal_3
1034 stack.append(registers[3])
e0df6211
PH
1035 elif opcode == 214: # setlocal_2
1036 registers[2] = stack.pop()
1037 elif opcode == 215: # setlocal_3
1038 registers[3] = stack.pop()
1039 else:
1040 raise NotImplementedError(
1041 u'Unsupported opcode %d' % opcode)
1042
1043 method_pyfunctions[func_name] = resfunc
1044 return resfunc
1045
1046 initial_function = extract_function(u'decipher')
1047 return lambda s: initial_function([s])
1048
83799698 1049 def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
257a2501 1050 """Turn the encrypted s field into a working signature"""
6b37f0be 1051
83799698 1052 if player_url is not None:
e0df6211 1053 try:
83799698
PH
1054 if player_url not in self._player_cache:
1055 func = self._extract_signature_function(
c4417ddb 1056 video_id, player_url, len(s)
e0df6211 1057 )
83799698 1058 self._player_cache[player_url] = func
edf3e38e
PH
1059 func = self._player_cache[player_url]
1060 if self._downloader.params.get('youtube_print_sig_code'):
1061 self._print_sig_code(func, len(s))
1062 return func(s)
0ca96d48 1063 except Exception:
e0df6211 1064 tb = traceback.format_exc()
83799698
PH
1065 self._downloader.report_warning(
1066 u'Automatic signature extraction failed: ' + tb)
e0df6211 1067
d2d8f895
PH
1068 self._downloader.report_warning(
1069 u'Warning: Falling back to static signature algorithm')
920de7a2 1070
2f2ffea9
PH
1071 return self._static_decrypt_signature(
1072 s, video_id, player_url, age_gate)
e0df6211 1073
2f2ffea9 1074 def _static_decrypt_signature(self, s, video_id, player_url, age_gate):
e0df6211
PH
1075 if age_gate:
1076 # The videos with age protection use another player, so the
1077 # algorithms can be different.
1078 if len(s) == 86:
1079 return s[2:63] + s[82] + s[64:82] + s[63]
1080
bc4b9008 1081 if len(s) == 93:
1082 return s[86:29:-1] + s[88] + s[28:5:-1]
1083 elif len(s) == 92:
444b1165 1084 return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
38d025b3
JMF
1085 elif len(s) == 91:
1086 return s[84:27:-1] + s[86] + s[26:5:-1]
444b1165
JMF
1087 elif len(s) == 90:
1088 return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
8a9d86a2 1089 elif len(s) == 89:
1090 return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1]
444b1165 1091 elif len(s) == 88:
3e223834 1092 return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28]
be547e1d 1093 elif len(s) == 87:
3a725669 1094 return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
be547e1d 1095 elif len(s) == 86:
f2c327fd 1096 return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1]
be547e1d 1097 elif len(s) == 85:
6ae8ee3f 1098 return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84]
be547e1d 1099 elif len(s) == 84:
6f56389b 1100 return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1]
be547e1d 1101 elif len(s) == 83:
920de7a2 1102 return s[80:63:-1] + s[0] + s[62:0:-1] + s[63]
be547e1d 1103 elif len(s) == 82:
ce85f022 1104 return s[80:73:-1] + s[81] + s[72:54:-1] + s[2] + s[53:43:-1] + s[0] + s[42:2:-1] + s[43] + s[1] + s[54]
be547e1d 1105 elif len(s) == 81:
aedd6bb9 1106 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
1107 elif len(s) == 80:
1108 return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80]
5c468ca8
JMF
1109 elif len(s) == 79:
1110 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
1111
1112 else:
1113 raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
c5e8d7af 1114
de7f3446 1115 def _get_available_subtitles(self, video_id):
de7f3446 1116 try:
7fad1c63
JMF
1117 sub_list = self._download_webpage(
1118 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1119 video_id, note=False)
1120 except ExtractorError as err:
de7f3446
JMF
1121 self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
1122 return {}
1123 lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
1124
1125 sub_lang_list = {}
1126 for l in lang_list:
1127 lang = l[1]
1128 params = compat_urllib_parse.urlencode({
1129 'lang': lang,
1130 'v': video_id,
1131 'fmt': self._downloader.params.get('subtitlesformat'),
1132 })
1133 url = u'http://www.youtube.com/api/timedtext?' + params
1134 sub_lang_list[lang] = url
1135 if not sub_lang_list:
1136 self._downloader.report_warning(u'video doesn\'t have subtitles')
1137 return {}
1138 return sub_lang_list
1139
055e6f36 1140 def _get_available_automatic_caption(self, video_id, webpage):
de7f3446
JMF
1141 """We need the webpage for getting the captions url, pass it as an
1142 argument to speed up the process."""
de7f3446
JMF
1143 sub_format = self._downloader.params.get('subtitlesformat')
1144 self.to_screen(u'%s: Looking for automatic captions' % video_id)
1145 mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
055e6f36 1146 err_msg = u'Couldn\'t find automatic captions for %s' % video_id
de7f3446
JMF
1147 if mobj is None:
1148 self._downloader.report_warning(err_msg)
1149 return {}
1150 player_config = json.loads(mobj.group(1))
1151 try:
1152 args = player_config[u'args']
1153 caption_url = args[u'ttsurl']
1154 timestamp = args[u'timestamp']
055e6f36
JMF
1155 # We get the available subtitles
1156 list_params = compat_urllib_parse.urlencode({
1157 'type': 'list',
1158 'tlangs': 1,
1159 'asrs': 1,
de7f3446 1160 })
055e6f36
JMF
1161 list_url = caption_url + '&' + list_params
1162 list_page = self._download_webpage(list_url, video_id)
1163 caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8'))
e3dc22ca
JMF
1164 original_lang_node = caption_list.find('track')
1165 if original_lang_node.attrib.get('kind') != 'asr' :
1166 self._downloader.report_warning(u'Video doesn\'t have automatic captions')
1167 return {}
1168 original_lang = original_lang_node.attrib['lang_code']
055e6f36
JMF
1169
1170 sub_lang_list = {}
1171 for lang_node in caption_list.findall('target'):
1172 sub_lang = lang_node.attrib['lang_code']
1173 params = compat_urllib_parse.urlencode({
1174 'lang': original_lang,
1175 'tlang': sub_lang,
1176 'fmt': sub_format,
1177 'ts': timestamp,
1178 'kind': 'asr',
1179 })
1180 sub_lang_list[sub_lang] = caption_url + '&' + params
1181 return sub_lang_list
de7f3446
JMF
1182 # An extractor error can be raise by the download process if there are
1183 # no automatic captions but there are subtitles
1184 except (KeyError, ExtractorError):
1185 self._downloader.report_warning(err_msg)
1186 return {}
1187
c5e8d7af
PH
1188 def _print_formats(self, formats):
1189 print('Available formats:')
1190 for x in formats:
03cc7c20
JMF
1191 print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'),
1192 self._video_dimensions.get(x, '???'),
836a086c 1193 ' ('+self._special_itags[x]+')' if x in self._special_itags else ''))
c5e8d7af
PH
1194
1195 def _extract_id(self, url):
1196 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1197 if mobj is None:
1198 raise ExtractorError(u'Invalid URL: %s' % url)
1199 video_id = mobj.group(2)
1200 return video_id
1201
1d043b93
JMF
1202 def _get_video_url_list(self, url_map):
1203 """
1204 Transform a dictionary in the format {itag:url} to a list of (itag, url)
1205 with the requested formats.
1206 """
1207 req_format = self._downloader.params.get('format', None)
1208 format_limit = self._downloader.params.get('format_limit', None)
1209 available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
1210 if format_limit is not None and format_limit in available_formats:
1211 format_list = available_formats[available_formats.index(format_limit):]
1212 else:
1213 format_list = available_formats
1214 existing_formats = [x for x in format_list if x in url_map]
1215 if len(existing_formats) == 0:
1216 raise ExtractorError(u'no known formats available for video')
1217 if self._downloader.params.get('listformats', None):
1218 self._print_formats(existing_formats)
1219 return
1220 if req_format is None or req_format == 'best':
1221 video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
1222 elif req_format == 'worst':
1223 video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality
1224 elif req_format in ('-1', 'all'):
1225 video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
1226 else:
1227 # Specific formats. We pick the first in a slash-delimeted sequence.
bdc6b3fc
AZ
1228 # Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality
1229 # available in the specified format. For example,
1230 # if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
1231 # if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'.
1232 # if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'.
1d043b93
JMF
1233 req_formats = req_format.split('/')
1234 video_url_list = None
1235 for rf in req_formats:
1236 if rf in url_map:
1237 video_url_list = [(rf, url_map[rf])]
1238 break
bdc6b3fc
AZ
1239 if rf in self._video_formats_map:
1240 for srf in self._video_formats_map[rf]:
1241 if srf in url_map:
1242 video_url_list = [(srf, url_map[srf])]
1243 break
1244 else:
1245 continue
1246 break
1d043b93
JMF
1247 if video_url_list is None:
1248 raise ExtractorError(u'requested format not available')
1249 return video_url_list
1250
1251 def _extract_from_m3u8(self, manifest_url, video_id):
1252 url_map = {}
1253 def _get_urls(_manifest):
1254 lines = _manifest.split('\n')
1255 urls = filter(lambda l: l and not l.startswith('#'),
1256 lines)
1257 return urls
1258 manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest')
1259 formats_urls = _get_urls(manifest)
1260 for format_url in formats_urls:
890f62e8 1261 itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
1d043b93
JMF
1262 url_map[itag] = format_url
1263 return url_map
1264
c5e8d7af 1265 def _real_extract(self, url):
d7f44b5b
PH
1266 if re.match(r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$', url):
1267 self._downloader.report_warning(u'Did you forget to quote the URL? Remember that & is a meta-character in most shells, so you want to put the URL in quotes, like youtube-dl \'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\' (or simply youtube-dl BaW_jenozKc ).')
1268
c5e8d7af
PH
1269 # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1270 mobj = re.search(self._NEXT_URL_RE, url)
1271 if mobj:
1272 url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
1273 video_id = self._extract_id(url)
1274
1275 # Get video webpage
1276 self.report_video_webpage_download(video_id)
1277 url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
1278 request = compat_urllib_request.Request(url)
1279 try:
1280 video_webpage_bytes = compat_urllib_request.urlopen(request).read()
1281 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
1282 raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err))
1283
1284 video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
1285
1286 # Attempt to extract SWF player URL
e0df6211 1287 mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
c5e8d7af
PH
1288 if mobj is not None:
1289 player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1290 else:
1291 player_url = None
1292
1293 # Get video info
1294 self.report_video_info_webpage_download(video_id)
c108eb73
JMF
1295 if re.search(r'player-age-gate-content">', video_webpage) is not None:
1296 self.report_age_confirmation()
1297 age_gate = True
1298 # We simulate the access to the video from www.youtube.com/v/{video_id}
1299 # this can be viewed without login into Youtube
1300 data = compat_urllib_parse.urlencode({'video_id': video_id,
1301 'el': 'embedded',
1302 'gl': 'US',
1303 'hl': 'en',
1304 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1305 'asv': 3,
1306 'sts':'1588',
1307 })
1308 video_info_url = 'https://www.youtube.com/get_video_info?' + data
c5e8d7af
PH
1309 video_info_webpage = self._download_webpage(video_info_url, video_id,
1310 note=False,
1311 errnote='unable to download video info webpage')
1312 video_info = compat_parse_qs(video_info_webpage)
c108eb73
JMF
1313 else:
1314 age_gate = False
1315 for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
1316 video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
1317 % (video_id, el_type))
1318 video_info_webpage = self._download_webpage(video_info_url, video_id,
1319 note=False,
1320 errnote='unable to download video info webpage')
1321 video_info = compat_parse_qs(video_info_webpage)
1322 if 'token' in video_info:
1323 break
c5e8d7af
PH
1324 if 'token' not in video_info:
1325 if 'reason' in video_info:
9a82b238 1326 raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True)
c5e8d7af
PH
1327 else:
1328 raise ExtractorError(u'"token" parameter not in video info for unknown reason')
1329
1330 # Check for "rental" videos
1331 if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1332 raise ExtractorError(u'"rental" videos not supported')
1333
1334 # Start extracting information
1335 self.report_information_extraction(video_id)
1336
1337 # uploader
1338 if 'author' not in video_info:
1339 raise ExtractorError(u'Unable to extract uploader name')
1340 video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
1341
1342 # uploader_id
1343 video_uploader_id = None
1344 mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
1345 if mobj is not None:
1346 video_uploader_id = mobj.group(1)
1347 else:
1348 self._downloader.report_warning(u'unable to extract uploader nickname')
1349
1350 # title
1351 if 'title' not in video_info:
1352 raise ExtractorError(u'Unable to extract video title')
1353 video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
1354
1355 # thumbnail image
7763b04e
JMF
1356 # We try first to get a high quality image:
1357 m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
1358 video_webpage, re.DOTALL)
1359 if m_thumb is not None:
1360 video_thumbnail = m_thumb.group(1)
1361 elif 'thumbnail_url' not in video_info:
c5e8d7af
PH
1362 self._downloader.report_warning(u'unable to extract video thumbnail')
1363 video_thumbnail = ''
1364 else: # don't panic if we can't find it
1365 video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
1366
1367 # upload date
1368 upload_date = None
1369 mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
1370 if mobj is not None:
1371 upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
1372 upload_date = unified_strdate(upload_date)
1373
1374 # description
1375 video_description = get_element_by_id("eow-description", video_webpage)
1376 if video_description:
1377 video_description = clean_html(video_description)
1378 else:
1379 fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
1380 if fd_mobj:
1381 video_description = unescapeHTML(fd_mobj.group(1))
1382 else:
1383 video_description = u''
1384
1385 # subtitles
d82134c3 1386 video_subtitles = self.extract_subtitles(video_id, video_webpage)
c5e8d7af 1387
c5e8d7af 1388 if self._downloader.params.get('listsubtitles', False):
d665f8d3 1389 self._list_available_subtitles(video_id, video_webpage)
c5e8d7af
PH
1390 return
1391
1392 if 'length_seconds' not in video_info:
1393 self._downloader.report_warning(u'unable to extract video duration')
1394 video_duration = ''
1395 else:
1396 video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
1397
c5e8d7af 1398 # Decide which formats to download
c5e8d7af
PH
1399
1400 try:
1401 mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
50be92c1
PH
1402 if not mobj:
1403 raise ValueError('Could not find vevo ID')
c5e8d7af
PH
1404 info = json.loads(mobj.group(1))
1405 args = info['args']
7ce7e394
JMF
1406 # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
1407 # this signatures are encrypted
1408 m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map'])
1409 if m_s is not None:
1410 self.to_screen(u'%s: Encrypted signatures detected.' % video_id)
c5e8d7af 1411 video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
cde846b3 1412 m_s = re.search(r'[&,]s=', args.get('adaptive_fmts', u''))
b7a68384 1413 if m_s is not None:
37b6d5f6
AZ
1414 if 'url_encoded_fmt_stream_map' in video_info:
1415 video_info['url_encoded_fmt_stream_map'][0] += ',' + args['adaptive_fmts']
1416 else:
1417 video_info['url_encoded_fmt_stream_map'] = [args['adaptive_fmts']]
211fbc13 1418 elif 'adaptive_fmts' in video_info:
37b6d5f6
AZ
1419 if 'url_encoded_fmt_stream_map' in video_info:
1420 video_info['url_encoded_fmt_stream_map'][0] += ',' + video_info['adaptive_fmts'][0]
1421 else:
1422 video_info['url_encoded_fmt_stream_map'] = video_info['adaptive_fmts']
c5e8d7af
PH
1423 except ValueError:
1424 pass
1425
1426 if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1427 self.report_rtmp_download()
1428 video_url_list = [(None, video_info['conn'][0])]
1429 elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
a7055eb9
JMF
1430 if 'rtmpe%3Dyes' in video_info['url_encoded_fmt_stream_map'][0]:
1431 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
c5e8d7af
PH
1432 url_map = {}
1433 for url_data_str in video_info['url_encoded_fmt_stream_map'][0].split(','):
1434 url_data = compat_parse_qs(url_data_str)
1435 if 'itag' in url_data and 'url' in url_data:
1436 url = url_data['url'][0]
1437 if 'sig' in url_data:
1438 url += '&signature=' + url_data['sig'][0]
1439 elif 's' in url_data:
e0df6211 1440 encrypted_sig = url_data['s'][0]
769fda3c 1441 if self._downloader.params.get('verbose'):
c108eb73 1442 if age_gate:
bdde940e
PH
1443 if player_url is None:
1444 player_version = 'unknown'
1445 else:
1446 player_version = self._search_regex(
1447 r'-(.+)\.swf$', player_url,
1448 u'flash player', fatal=False)
e0df6211 1449 player_desc = 'flash player %s' % player_version
c108eb73 1450 else:
83799698
PH
1451 player_version = self._search_regex(
1452 r'html5player-(.+?)\.js', video_webpage,
c108eb73 1453 'html5 player', fatal=False)
e0df6211
PH
1454 player_desc = u'html5 player %s' % player_version
1455
1456 parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.'))
5a76c651 1457 self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
e0df6211
PH
1458 (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
1459
83799698 1460 if not age_gate:
e0df6211
PH
1461 jsplayer_url_json = self._search_regex(
1462 r'"assets":.+?"js":\s*("[^"]+")',
1463 video_webpage, u'JS player URL')
83799698 1464 player_url = json.loads(jsplayer_url_json)
e0df6211 1465
83799698
PH
1466 signature = self._decrypt_signature(
1467 encrypted_sig, video_id, player_url, age_gate)
c5e8d7af
PH
1468 url += '&signature=' + signature
1469 if 'ratebypass' not in url:
1470 url += '&ratebypass=yes'
1471 url_map[url_data['itag'][0]] = url
1d043b93
JMF
1472 video_url_list = self._get_video_url_list(url_map)
1473 if not video_url_list:
c5e8d7af 1474 return
1d043b93
JMF
1475 elif video_info.get('hlsvp'):
1476 manifest_url = video_info['hlsvp'][0]
1477 url_map = self._extract_from_m3u8(manifest_url, video_id)
1478 video_url_list = self._get_video_url_list(url_map)
1479 if not video_url_list:
1480 return
1481
c5e8d7af
PH
1482 else:
1483 raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info')
1484
1485 results = []
1486 for format_param, video_real_url in video_url_list:
1487 # Extension
1488 video_extension = self._video_extensions.get(format_param, 'flv')
1489
03cc7c20
JMF
1490 video_format = '{0} - {1}{2}'.format(format_param if format_param else video_extension,
1491 self._video_dimensions.get(format_param, '???'),
836a086c 1492 ' ('+self._special_itags[format_param]+')' if format_param in self._special_itags else '')
c5e8d7af
PH
1493
1494 results.append({
1495 'id': video_id,
1496 'url': video_real_url,
1497 'uploader': video_uploader,
1498 'uploader_id': video_uploader_id,
1499 'upload_date': upload_date,
1500 'title': video_title,
1501 'ext': video_extension,
1502 'format': video_format,
1503 'thumbnail': video_thumbnail,
1504 'description': video_description,
1505 'player_url': player_url,
1506 'subtitles': video_subtitles,
1507 'duration': video_duration
1508 })
1509 return results
1510
1511class YoutubePlaylistIE(InfoExtractor):
0f818663 1512 IE_DESC = u'YouTube.com playlists'
c5e8d7af
PH
1513 _VALID_URL = r"""(?:
1514 (?:https?://)?
1515 (?:\w+\.)?
1516 youtube\.com/
1517 (?:
1518 (?:course|view_play_list|my_playlists|artist|playlist|watch)
1519 \? (?:.*?&)*? (?:p|a|list)=
1520 | p/
1521 )
c626a3d9 1522 ((?:PL|EC|UU|FL)?[0-9A-Za-z-_]{10,})
c5e8d7af
PH
1523 .*
1524 |
c626a3d9 1525 ((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,})
c5e8d7af
PH
1526 )"""
1527 _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
1528 _MAX_RESULTS = 50
1529 IE_NAME = u'youtube:playlist'
1530
1531 @classmethod
1532 def suitable(cls, url):
1533 """Receives a URL and returns True if suitable for this IE."""
1534 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
1535
1536 def _real_extract(self, url):
1537 # Extract playlist id
1538 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1539 if mobj is None:
1540 raise ExtractorError(u'Invalid URL: %s' % url)
1541
1542 # Download playlist videos from API
1543 playlist_id = mobj.group(1) or mobj.group(2)
c5e8d7af
PH
1544 videos = []
1545
755eb032 1546 for page_num in itertools.count(1):
771822eb
JMF
1547 start_index = self._MAX_RESULTS * (page_num - 1) + 1
1548 if start_index >= 1000:
1549 self._downloader.report_warning(u'Max number of results reached')
1550 break
1551 url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index)
c5e8d7af
PH
1552 page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
1553
1554 try:
1555 response = json.loads(page)
1556 except ValueError as err:
1557 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
1558
1559 if 'feed' not in response:
1560 raise ExtractorError(u'Got a malformed response from YouTube API')
1561 playlist_title = response['feed']['title']['$t']
1562 if 'entry' not in response['feed']:
1563 # Number of videos is a multiple of self._MAX_RESULTS
1564 break
1565
1566 for entry in response['feed']['entry']:
1567 index = entry['yt$position']['$t']
c215217e
JMF
1568 if 'media$group' in entry and 'yt$videoid' in entry['media$group']:
1569 videos.append((
1570 index,
1571 'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t']
1572 ))
c5e8d7af 1573
c5e8d7af
PH
1574 videos = [v[1] for v in sorted(videos)]
1575
20c3893f 1576 url_results = [self.url_result(vurl, 'Youtube') for vurl in videos]
c5e8d7af
PH
1577 return [self.playlist_result(url_results, playlist_id, playlist_title)]
1578
1579
1580class YoutubeChannelIE(InfoExtractor):
0f818663 1581 IE_DESC = u'YouTube.com channels'
c5e8d7af
PH
1582 _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
1583 _TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
1584 _MORE_PAGES_INDICATOR = 'yt-uix-load-more'
252580c5 1585 _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
1586 IE_NAME = u'youtube:channel'
1587
1588 def extract_videos_from_page(self, page):
1589 ids_in_page = []
1590 for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
1591 if mobj.group(1) not in ids_in_page:
1592 ids_in_page.append(mobj.group(1))
1593 return ids_in_page
1594
1595 def _real_extract(self, url):
1596 # Extract channel id
1597 mobj = re.match(self._VALID_URL, url)
1598 if mobj is None:
1599 raise ExtractorError(u'Invalid URL: %s' % url)
1600
1601 # Download channel page
1602 channel_id = mobj.group(1)
1603 video_ids = []
1604 pagenum = 1
1605
1606 url = self._TEMPLATE_URL % (channel_id, pagenum)
1607 page = self._download_webpage(url, channel_id,
1608 u'Downloading page #%s' % pagenum)
1609
1610 # Extract video identifiers
1611 ids_in_page = self.extract_videos_from_page(page)
1612 video_ids.extend(ids_in_page)
1613
1614 # Download any subsequent channel pages using the json-based channel_ajax query
1615 if self._MORE_PAGES_INDICATOR in page:
755eb032 1616 for pagenum in itertools.count(1):
c5e8d7af
PH
1617 url = self._MORE_PAGES_URL % (pagenum, channel_id)
1618 page = self._download_webpage(url, channel_id,
1619 u'Downloading page #%s' % pagenum)
1620
1621 page = json.loads(page)
1622
1623 ids_in_page = self.extract_videos_from_page(page['content_html'])
1624 video_ids.extend(ids_in_page)
1625
1626 if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
1627 break
1628
1629 self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
1630
1631 urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
20c3893f 1632 url_entries = [self.url_result(eurl, 'Youtube') for eurl in urls]
c5e8d7af
PH
1633 return [self.playlist_result(url_entries, channel_id)]
1634
1635
1636class YoutubeUserIE(InfoExtractor):
0f818663 1637 IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)'
faab1d38 1638 _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?)|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
c5e8d7af
PH
1639 _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
1640 _GDATA_PAGE_SIZE = 50
fd9cf738 1641 _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
c5e8d7af
PH
1642 IE_NAME = u'youtube:user'
1643
e3ea4790 1644 @classmethod
f4b05232 1645 def suitable(cls, url):
e3ea4790
JMF
1646 # Don't return True if the url can be extracted with other youtube
1647 # extractor, the regex would is too permissive and it would match.
1648 other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
1649 if any(ie.suitable(url) for ie in other_ies): return False
f4b05232
JMF
1650 else: return super(YoutubeUserIE, cls).suitable(url)
1651
c5e8d7af
PH
1652 def _real_extract(self, url):
1653 # Extract username
1654 mobj = re.match(self._VALID_URL, url)
1655 if mobj is None:
1656 raise ExtractorError(u'Invalid URL: %s' % url)
1657
1658 username = mobj.group(1)
1659
1660 # Download video ids using YouTube Data API. Result size per
1661 # query is limited (currently to 50 videos) so we need to query
1662 # page by page until there are no video ids - it means we got
1663 # all of them.
1664
1665 video_ids = []
c5e8d7af 1666
755eb032 1667 for pagenum in itertools.count(0):
c5e8d7af
PH
1668 start_index = pagenum * self._GDATA_PAGE_SIZE + 1
1669
1670 gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
1671 page = self._download_webpage(gdata_url, username,
1672 u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
1673
fd9cf738
JMF
1674 try:
1675 response = json.loads(page)
1676 except ValueError as err:
1677 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
71c82637
JMF
1678 if 'entry' not in response['feed']:
1679 # Number of videos is a multiple of self._MAX_RESULTS
1680 break
fd9cf738 1681
c5e8d7af
PH
1682 # Extract video identifiers
1683 ids_in_page = []
fd9cf738
JMF
1684 for entry in response['feed']['entry']:
1685 ids_in_page.append(entry['id']['$t'].split('/')[-1])
c5e8d7af
PH
1686 video_ids.extend(ids_in_page)
1687
1688 # A little optimization - if current page is not
1689 # "full", ie. does not contain PAGE_SIZE video ids then
1690 # we can assume that this page is the last one - there
1691 # are no more ids on further pages - no need to query
1692 # again.
1693
1694 if len(ids_in_page) < self._GDATA_PAGE_SIZE:
1695 break
1696
c5e8d7af 1697 urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
20c3893f 1698 url_results = [self.url_result(rurl, 'Youtube') for rurl in urls]
c5e8d7af 1699 return [self.playlist_result(url_results, playlist_title = username)]
b05654f0
PH
1700
1701class YoutubeSearchIE(SearchInfoExtractor):
0f818663 1702 IE_DESC = u'YouTube.com searches'
b05654f0
PH
1703 _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1704 _MAX_RESULTS = 1000
1705 IE_NAME = u'youtube:search'
1706 _SEARCH_KEY = 'ytsearch'
1707
1708 def report_download_page(self, query, pagenum):
1709 """Report attempt to download search page with given number."""
1710 self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
1711
1712 def _get_n_results(self, query, n):
1713 """Get a specified number of results for a query"""
1714
1715 video_ids = []
1716 pagenum = 0
1717 limit = n
1718
1719 while (50 * pagenum) < limit:
1720 self.report_download_page(query, pagenum+1)
1721 result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1)
1722 request = compat_urllib_request.Request(result_url)
1723 try:
1724 data = compat_urllib_request.urlopen(request).read().decode('utf-8')
1725 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
1726 raise ExtractorError(u'Unable to download API page: %s' % compat_str(err))
1727 api_response = json.loads(data)['data']
1728
1729 if not 'items' in api_response:
1730 raise ExtractorError(u'[youtube] No video results')
1731
1732 new_ids = list(video['id'] for video in api_response['items'])
1733 video_ids += new_ids
1734
1735 limit = min(n, api_response['totalItems'])
1736 pagenum += 1
1737
1738 if len(video_ids) > n:
1739 video_ids = video_ids[:n]
1740 videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
1741 return self.playlist_result(videos, query)
75dff0ee
JMF
1742
1743
1744class YoutubeShowIE(InfoExtractor):
0f818663 1745 IE_DESC = u'YouTube.com (multi-season) shows'
75dff0ee
JMF
1746 _VALID_URL = r'https?://www\.youtube\.com/show/(.*)'
1747 IE_NAME = u'youtube:show'
1748
1749 def _real_extract(self, url):
1750 mobj = re.match(self._VALID_URL, url)
1751 show_name = mobj.group(1)
1752 webpage = self._download_webpage(url, show_name, u'Downloading show webpage')
1753 # There's one playlist for each season of the show
1754 m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
1755 self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons)))
1756 return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
04cc9617
JMF
1757
1758
b2e8bc1b 1759class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
d7ae0639
JMF
1760 """
1761 Base class for extractors that fetch info from
1762 http://www.youtube.com/feed_ajax
1763 Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1764 """
b2e8bc1b 1765 _LOGIN_REQUIRED = True
04cc9617 1766 _PAGING_STEP = 30
43ba5456
JMF
1767 # use action_load_personal_feed instead of action_load_system_feed
1768 _PERSONAL_FEED = False
04cc9617 1769
d7ae0639
JMF
1770 @property
1771 def _FEED_TEMPLATE(self):
43ba5456
JMF
1772 action = 'action_load_system_feed'
1773 if self._PERSONAL_FEED:
1774 action = 'action_load_personal_feed'
1775 return 'http://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
d7ae0639
JMF
1776
1777 @property
1778 def IE_NAME(self):
1779 return u'youtube:%s' % self._FEED_NAME
04cc9617 1780
81f0259b 1781 def _real_initialize(self):
b2e8bc1b 1782 self._login()
81f0259b 1783
04cc9617
JMF
1784 def _real_extract(self, url):
1785 feed_entries = []
1786 # The step argument is available only in 2.7 or higher
1787 for i in itertools.count(0):
1788 paging = i*self._PAGING_STEP
d7ae0639
JMF
1789 info = self._download_webpage(self._FEED_TEMPLATE % paging,
1790 u'%s feed' % self._FEED_NAME,
04cc9617
JMF
1791 u'Downloading page %s' % i)
1792 info = json.loads(info)
1793 feed_html = info['feed_html']
43ba5456 1794 m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
04cc9617
JMF
1795 ids = orderedSet(m.group(1) for m in m_ids)
1796 feed_entries.extend(self.url_result(id, 'Youtube') for id in ids)
1797 if info['paging'] is None:
1798 break
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'
1818 _PAGING_STEP = 100
1819 _PERSONAL_FEED = True
c626a3d9
JMF
1820
1821class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
1822 IE_NAME = u'youtube:favorites'
1823 IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)'
c7a7750d 1824 _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
c626a3d9
JMF
1825 _LOGIN_REQUIRED = True
1826
1827 def _real_extract(self, url):
1828 webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1829 playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id')
1830 return self.url_result(playlist_id, 'YoutubePlaylist')