15 from .common
import InfoExtractor
, SearchInfoExtractor
16 from .subtitles
import SubtitlesInfoExtractor
21 compat_urllib_request
,
28 get_element_by_attribute
,
39 class YoutubeBaseInfoExtractor(InfoExtractor
):
40 """Provide base functions for Youtube extractors"""
41 _LOGIN_URL
= 'https://accounts.google.com/ServiceLogin'
42 _LANG_URL
= r
'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
43 _AGE_URL
= 'https://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
44 _NETRC_MACHINE
= 'youtube'
45 # If True it will raise an error if no login info is provided
46 _LOGIN_REQUIRED
= False
48 def _set_language(self
):
49 return bool(self
._download
_webpage
(
51 note
=u
'Setting language', errnote
='unable to set language',
55 (username
, password
) = self
._get
_login
_info
()
56 # No authentication to be performed
58 if self
._LOGIN
_REQUIRED
:
59 raise ExtractorError(u
'No login info available, needed for using %s.' % self
.IE_NAME
, expected
=True)
62 login_page
= self
._download
_webpage
(
63 self
._LOGIN
_URL
, None,
64 note
=u
'Downloading login page',
65 errnote
=u
'unable to fetch login page', fatal
=False)
66 if login_page
is False:
69 galx
= self
._search
_regex
(r
'(?s)<input.+?name="GALX".+?value="(.+?)"',
70 login_page
, u
'Login GALX parameter')
74 u
'continue': u
'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
78 u
'PersistentCookie': u
'yes',
80 u
'bgresponse': u
'js_disabled',
81 u
'checkConnection': u
'',
82 u
'checkedDomains': u
'youtube',
87 u
'signIn': u
'Sign in',
89 u
'service': u
'youtube',
93 # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
95 login_form
= dict((k
.encode('utf-8'), v
.encode('utf-8')) for k
,v
in login_form_strs
.items())
96 login_data
= compat_urllib_parse
.urlencode(login_form
).encode('ascii')
98 req
= compat_urllib_request
.Request(self
._LOGIN
_URL
, login_data
)
99 login_results
= self
._download
_webpage
(
101 note
=u
'Logging in', errnote
=u
'unable to log in', fatal
=False)
102 if login_results
is False:
104 if re
.search(r
'(?i)<form[^>]* id="gaia_loginform"', login_results
) is not None:
105 self
._downloader
.report_warning(u
'unable to log in: bad username or password')
109 def _confirm_age(self
):
112 'action_confirm': 'Confirm',
114 req
= compat_urllib_request
.Request(self
._AGE
_URL
,
115 compat_urllib_parse
.urlencode(age_form
).encode('ascii'))
117 self
._download
_webpage
(
119 note
=u
'Confirming age', errnote
=u
'Unable to confirm age')
122 def _real_initialize(self
):
123 if self
._downloader
is None:
125 if not self
._set
_language
():
127 if not self
._login
():
132 class YoutubeIE(YoutubeBaseInfoExtractor
, SubtitlesInfoExtractor
):
133 IE_DESC
= u
'YouTube.com'
134 _VALID_URL
= r
"""(?x)^
136 (?:https?://|//)? # http(s):// or protocol-independent URL (optional)
137 (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
138 (?:www\.)?deturl\.com/www\.youtube\.com/|
139 (?:www\.)?pwnyoutube\.com/|
140 (?:www\.)?yourepeat\.com/|
141 tube\.majestyc\.net/|
142 youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains
143 (?:.*?\#/)? # handle anchor (#/) redirect urls
144 (?: # the various things that can precede the ID:
145 (?:(?:v|embed|e)/) # v/ or embed/ or e/
146 |(?: # or the v= param in all its forms
147 (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
148 (?:\?|\#!?) # the params delimiter ? or # or #!
149 (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
153 |youtu\.be/ # just youtu.be/xxxx
155 )? # all until now is optional -> you can pass the naked ID
156 ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID
157 (?(1).+)? # if we found the ID, everything can follow
159 _NEXT_URL_RE
= r
'[\?&]next_url=([^&]+)'
161 '5': {'ext': 'flv', 'width': 400, 'height': 240}
,
162 '6': {'ext': 'flv', 'width': 450, 'height': 270}
,
163 '13': {'ext': '3gp'}
,
164 '17': {'ext': '3gp', 'width': 176, 'height': 144}
,
165 '18': {'ext': 'mp4', 'width': 640, 'height': 360}
,
166 '22': {'ext': 'mp4', 'width': 1280, 'height': 720}
,
167 '34': {'ext': 'flv', 'width': 640, 'height': 360}
,
168 '35': {'ext': 'flv', 'width': 854, 'height': 480}
,
169 '36': {'ext': '3gp', 'width': 320, 'height': 240}
,
170 '37': {'ext': 'mp4', 'width': 1920, 'height': 1080}
,
171 '38': {'ext': 'mp4', 'width': 4096, 'height': 3072}
,
172 '43': {'ext': 'webm', 'width': 640, 'height': 360}
,
173 '44': {'ext': 'webm', 'width': 854, 'height': 480}
,
174 '45': {'ext': 'webm', 'width': 1280, 'height': 720}
,
175 '46': {'ext': 'webm', 'width': 1920, 'height': 1080}
,
179 '82': {'ext': 'mp4', 'height': 360, 'resolution': '360p', 'format_note': '3D', 'preference': -20}
,
180 '83': {'ext': 'mp4', 'height': 480, 'resolution': '480p', 'format_note': '3D', 'preference': -20}
,
181 '84': {'ext': 'mp4', 'height': 720, 'resolution': '720p', 'format_note': '3D', 'preference': -20}
,
182 '85': {'ext': 'mp4', 'height': 1080, 'resolution': '1080p', 'format_note': '3D', 'preference': -20}
,
183 '100': {'ext': 'webm', 'height': 360, 'resolution': '360p', 'format_note': '3D', 'preference': -20}
,
184 '101': {'ext': 'webm', 'height': 480, 'resolution': '480p', 'format_note': '3D', 'preference': -20}
,
185 '102': {'ext': 'webm', 'height': 720, 'resolution': '720p', 'format_note': '3D', 'preference': -20}
,
187 # Apple HTTP Live Streaming
188 '92': {'ext': 'mp4', 'height': 240, 'resolution': '240p', 'format_note': 'HLS', 'preference': -10}
,
189 '93': {'ext': 'mp4', 'height': 360, 'resolution': '360p', 'format_note': 'HLS', 'preference': -10}
,
190 '94': {'ext': 'mp4', 'height': 480, 'resolution': '480p', 'format_note': 'HLS', 'preference': -10}
,
191 '95': {'ext': 'mp4', 'height': 720, 'resolution': '720p', 'format_note': 'HLS', 'preference': -10}
,
192 '96': {'ext': 'mp4', 'height': 1080, 'resolution': '1080p', 'format_note': 'HLS', 'preference': -10}
,
193 '132': {'ext': 'mp4', 'height': 240, 'resolution': '240p', 'format_note': 'HLS', 'preference': -10}
,
194 '151': {'ext': 'mp4', 'height': 72, 'resolution': '72p', 'format_note': 'HLS', 'preference': -10}
,
197 '133': {'ext': 'mp4', 'height': 240, 'resolution': '240p', 'format_note': 'DASH video', 'preference': -40}
,
198 '134': {'ext': 'mp4', 'height': 360, 'resolution': '360p', 'format_note': 'DASH video', 'preference': -40}
,
199 '135': {'ext': 'mp4', 'height': 480, 'resolution': '480p', 'format_note': 'DASH video', 'preference': -40}
,
200 '136': {'ext': 'mp4', 'height': 720, 'resolution': '720p', 'format_note': 'DASH video', 'preference': -40}
,
201 '137': {'ext': 'mp4', 'height': 1080, 'resolution': '1080p', 'format_note': 'DASH video', 'preference': -40}
,
202 '138': {'ext': 'mp4', 'height': 2160, 'resolution': '2160p', 'format_note': 'DASH video', 'preference': -40}
,
203 '160': {'ext': 'mp4', 'height': 192, 'resolution': '192p', 'format_note': 'DASH video', 'preference': -40}
,
204 '264': {'ext': 'mp4', 'height': 1440, 'resolution': '1440p', 'format_note': 'DASH video', 'preference': -40}
,
207 '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 48, 'preference': -50}
,
208 '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 128, 'preference': -50}
,
209 '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 256, 'preference': -50}
,
212 '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'VP8', 'acodec': 'none', 'preference': -40}
,
213 '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'VP8', 'acodec': 'none', 'preference': -40}
,
214 '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'VP8', 'acodec': 'none', 'preference': -40}
,
215 '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'VP8', 'acodec': 'none', 'preference': -40}
,
216 '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'VP8', 'acodec': 'none', 'preference': -40}
,
217 '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'VP8', 'acodec': 'none', 'preference': -40}
,
218 '242': {'ext': 'webm', 'height': 240, 'resolution': '240p', 'format_note': 'DASH webm', 'preference': -40}
,
219 '243': {'ext': 'webm', 'height': 360, 'resolution': '360p', 'format_note': 'DASH webm', 'preference': -40}
,
220 '244': {'ext': 'webm', 'height': 480, 'resolution': '480p', 'format_note': 'DASH webm', 'preference': -40}
,
221 '245': {'ext': 'webm', 'height': 480, 'resolution': '480p', 'format_note': 'DASH webm', 'preference': -40}
,
222 '246': {'ext': 'webm', 'height': 480, 'resolution': '480p', 'format_note': 'DASH webm', 'preference': -40}
,
223 '247': {'ext': 'webm', 'height': 720, 'resolution': '720p', 'format_note': 'DASH webm', 'preference': -40}
,
224 '248': {'ext': 'webm', 'height': 1080, 'resolution': '1080p', 'format_note': 'DASH webm', 'preference': -40}
,
227 '171': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH webm audio', 'abr': 48, 'preference': -50}
,
228 '172': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH webm audio', 'abr': 256, 'preference': -50}
,
231 '_rtmp': {'protocol': 'rtmp'}
,
237 u
"url": u
"http://www.youtube.com/watch?v=BaW_jenozKc",
238 u
"file": u
"BaW_jenozKc.mp4",
240 u
"title": u
"youtube-dl test video \"'/\\ä↭𝕐",
241 u
"uploader": u
"Philipp Hagemeister",
242 u
"uploader_id": u
"phihag",
243 u
"upload_date": u
"20121002",
244 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 ."
248 u
"url": u
"http://www.youtube.com/watch?v=UxxajLWwzqY",
249 u
"file": u
"UxxajLWwzqY.mp4",
250 u
"note": u
"Test generic use_cipher_signature video (#897)",
252 u
"upload_date": u
"20120506",
253 u
"title": u
"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
254 u
"description": u
"md5:5b292926389560516e384ac437c0ec07",
255 u
"uploader": u
"Icona Pop",
256 u
"uploader_id": u
"IconaPop"
260 u
"url": u
"https://www.youtube.com/watch?v=07FYdnEawAQ",
261 u
"file": u
"07FYdnEawAQ.mp4",
262 u
"note": u
"Test VEVO video with age protection (#956)",
264 u
"upload_date": u
"20130703",
265 u
"title": u
"Justin Timberlake - Tunnel Vision (Explicit)",
266 u
"description": u
"md5:64249768eec3bc4276236606ea996373",
267 u
"uploader": u
"justintimberlakeVEVO",
268 u
"uploader_id": u
"justintimberlakeVEVO"
272 u
"url": u
"//www.YouTube.com/watch?v=yZIXLfi8CZQ",
273 u
"file": u
"yZIXLfi8CZQ.mp4",
274 u
"note": u
"Embed-only video (#1746)",
276 u
"upload_date": u
"20120608",
277 u
"title": u
"Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012",
278 u
"description": u
"md5:09b78bd971f1e3e289601dfba15ca4f7",
279 u
"uploader": u
"SET India",
280 u
"uploader_id": u
"setindia"
284 u
"url": u
"http://www.youtube.com/watch?v=a9LDPn-MO4I",
285 u
"file": u
"a9LDPn-MO4I.m4a",
286 u
"note": u
"256k DASH audio (format 141) via DASH manifest",
288 u
"upload_date": "20121002",
289 u
"uploader_id": "8KVIDEO",
290 u
"description": "No description available.",
291 u
"uploader": "8KVIDEO",
292 u
"title": "UHDTV TEST 8K VIDEO.mp4"
295 u
"youtube_include_dash_manifest": True,
299 # DASH manifest with encrypted signature
301 u
'url': u
'https://www.youtube.com/watch?v=IB3lcPjvWLA',
303 u
'id': u
'IB3lcPjvWLA',
305 u
'title': u
'Afrojack - The Spark ft. Spree Wilson',
306 u
'description': u
'md5:3199ed45ee8836572865580804d7ac0f',
307 u
'uploader': u
'AfrojackVEVO',
308 u
'uploader_id': u
'AfrojackVEVO',
309 u
'upload_date': u
'20131011',
312 u
'youtube_include_dash_manifest': True,
320 def suitable(cls
, url
):
321 """Receives a URL and returns True if suitable for this IE."""
322 if YoutubePlaylistIE
.suitable(url
): return False
323 return re
.match(cls
._VALID
_URL
, url
) is not None
325 def __init__(self
, *args
, **kwargs
):
326 super(YoutubeIE
, self
).__init
__(*args
, **kwargs
)
327 self
._player
_cache
= {}
329 def report_video_info_webpage_download(self
, video_id
):
330 """Report attempt to download video info webpage."""
331 self
.to_screen(u
'%s: Downloading video info webpage' % video_id
)
333 def report_information_extraction(self
, video_id
):
334 """Report attempt to extract video information."""
335 self
.to_screen(u
'%s: Extracting video information' % video_id
)
337 def report_unavailable_format(self
, video_id
, format
):
338 """Report extracted video URL."""
339 self
.to_screen(u
'%s: Format %s not available' % (video_id
, format
))
341 def report_rtmp_download(self
):
342 """Indicate the download will use the RTMP protocol."""
343 self
.to_screen(u
'RTMP download detected')
345 def _extract_signature_function(self
, video_id
, player_url
, slen
):
346 id_m
= re
.match(r
'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$',
348 player_type
= id_m
.group('ext')
349 player_id
= id_m
.group('id')
351 # Read from filesystem cache
352 func_id
= '%s_%s_%d' % (player_type
, player_id
, slen
)
353 assert os
.path
.basename(func_id
) == func_id
354 cache_dir
= get_cachedir(self
._downloader
.params
)
356 cache_enabled
= cache_dir
is not None
358 cache_fn
= os
.path
.join(os
.path
.expanduser(cache_dir
),
362 with io
.open(cache_fn
, 'r', encoding
='utf-8') as cachef
:
363 cache_spec
= json
.load(cachef
)
364 return lambda s
: u
''.join(s
[i
] for i
in cache_spec
)
366 pass # No cache available
368 if player_type
== 'js':
369 code
= self
._download
_webpage
(
370 player_url
, video_id
,
371 note
=u
'Downloading %s player %s' % (player_type
, player_id
),
372 errnote
=u
'Download of %s failed' % player_url
)
373 res
= self
._parse
_sig
_js
(code
)
374 elif player_type
== 'swf':
375 urlh
= self
._request
_webpage
(
376 player_url
, video_id
,
377 note
=u
'Downloading %s player %s' % (player_type
, player_id
),
378 errnote
=u
'Download of %s failed' % player_url
)
380 res
= self
._parse
_sig
_swf
(code
)
382 assert False, 'Invalid player type %r' % player_type
386 test_string
= u
''.join(map(compat_chr
, range(slen
)))
387 cache_res
= res(test_string
)
388 cache_spec
= [ord(c
) for c
in cache_res
]
390 os
.makedirs(os
.path
.dirname(cache_fn
))
391 except OSError as ose
:
392 if ose
.errno
!= errno
.EEXIST
:
394 write_json_file(cache_spec
, cache_fn
)
396 tb
= traceback
.format_exc()
397 self
._downloader
.report_warning(
398 u
'Writing cache to %r failed: %s' % (cache_fn
, tb
))
402 def _print_sig_code(self
, func
, slen
):
403 def gen_sig_code(idxs
):
404 def _genslice(start
, end
, step
):
405 starts
= u
'' if start
== 0 else str(start
)
406 ends
= (u
':%d' % (end
+step
)) if end
+ step
>= 0 else u
':'
407 steps
= u
'' if step
== 1 else (u
':%d' % step
)
408 return u
's[%s%s%s]' % (starts
, ends
, steps
)
411 start
= '(Never used)' # Quelch pyflakes warnings - start will be
412 # set as soon as step is set
413 for i
, prev
in zip(idxs
[1:], idxs
[:-1]):
417 yield _genslice(start
, prev
, step
)
420 if i
- prev
in [-1, 1]:
425 yield u
's[%d]' % prev
429 yield _genslice(start
, i
, step
)
431 test_string
= u
''.join(map(compat_chr
, range(slen
)))
432 cache_res
= func(test_string
)
433 cache_spec
= [ord(c
) for c
in cache_res
]
434 expr_code
= u
' + '.join(gen_sig_code(cache_spec
))
435 code
= u
'if len(s) == %d:\n return %s\n' % (slen
, expr_code
)
436 self
.to_screen(u
'Extracted signature function:\n' + code
)
438 def _parse_sig_js(self
, jscode
):
439 funcname
= self
._search
_regex
(
440 r
'signature=([a-zA-Z]+)', jscode
,
441 u
'Initial JS player signature function name')
446 return string
.lowercase
.index(varname
)
448 def interpret_statement(stmt
, local_vars
, allow_recursion
=20):
449 if allow_recursion
< 0:
450 raise ExtractorError(u
'Recursion limit reached')
452 if stmt
.startswith(u
'var '):
453 stmt
= stmt
[len(u
'var '):]
454 ass_m
= re
.match(r
'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
455 r
'=(?P<expr>.*)$', stmt
)
457 if ass_m
.groupdict().get('index'):
459 lvar
= local_vars
[ass_m
.group('out')]
460 idx
= interpret_expression(ass_m
.group('index'),
461 local_vars
, allow_recursion
)
462 assert isinstance(idx
, int)
465 expr
= ass_m
.group('expr')
468 local_vars
[ass_m
.group('out')] = val
470 expr
= ass_m
.group('expr')
471 elif stmt
.startswith(u
'return '):
473 expr
= stmt
[len(u
'return '):]
475 raise ExtractorError(
476 u
'Cannot determine left side of statement in %r' % stmt
)
478 v
= interpret_expression(expr
, local_vars
, allow_recursion
)
481 def interpret_expression(expr
, local_vars
, allow_recursion
):
486 return local_vars
[expr
]
488 m
= re
.match(r
'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr
)
490 member
= m
.group('member')
491 val
= local_vars
[m
.group('in')]
492 if member
== 'split("")':
494 if member
== 'join("")':
496 if member
== 'length':
498 if member
== 'reverse()':
500 slice_m
= re
.match(r
'slice\((?P<idx>.*)\)', member
)
502 idx
= interpret_expression(
503 slice_m
.group('idx'), local_vars
, allow_recursion
-1)
507 r
'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr
)
509 val
= local_vars
[m
.group('in')]
510 idx
= interpret_expression(m
.group('idx'), local_vars
,
514 m
= re
.match(r
'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr
)
516 a
= interpret_expression(m
.group('a'),
517 local_vars
, allow_recursion
)
518 b
= interpret_expression(m
.group('b'),
519 local_vars
, allow_recursion
)
523 r
'^(?P<func>[a-zA-Z$]+)\((?P<args>[a-z0-9,]+)\)$', expr
)
525 fname
= m
.group('func')
526 if fname
not in functions
:
527 functions
[fname
] = extract_function(fname
)
528 argvals
= [int(v
) if v
.isdigit() else local_vars
[v
]
529 for v
in m
.group('args').split(',')]
530 return functions
[fname
](argvals
)
531 raise ExtractorError(u
'Unsupported JS expression %r' % expr
)
533 def extract_function(funcname
):
535 r
'function ' + re
.escape(funcname
) +
536 r
'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
538 argnames
= func_m
.group('args').split(',')
541 local_vars
= dict(zip(argnames
, args
))
542 for stmt
in func_m
.group('code').split(';'):
543 res
= interpret_statement(stmt
, local_vars
)
547 initial_function
= extract_function(funcname
)
548 return lambda s
: initial_function([s
])
550 def _parse_sig_swf(self
, file_contents
):
551 if file_contents
[1:3] != b
'WS':
552 raise ExtractorError(
553 u
'Not an SWF file; header is %r' % file_contents
[:3])
554 if file_contents
[:1] == b
'C':
555 content
= zlib
.decompress(file_contents
[8:])
557 raise NotImplementedError(u
'Unsupported compression format %r' %
560 def extract_tags(content
):
562 while pos
< len(content
):
563 header16
= struct
.unpack('<H', content
[pos
:pos
+2])[0]
565 tag_code
= header16
>> 6
566 tag_len
= header16
& 0x3f
568 tag_len
= struct
.unpack('<I', content
[pos
:pos
+4])[0]
570 assert pos
+tag_len
<= len(content
)
571 yield (tag_code
, content
[pos
:pos
+tag_len
])
575 for tag_code
, tag
in extract_tags(content
)
577 p
= code_tag
.index(b
'\0', 4) + 1
578 code_reader
= io
.BytesIO(code_tag
[p
:])
580 # Parse ABC (AVM2 ByteCode)
581 def read_int(reader
=None):
589 b
= struct
.unpack('<B', buf
)[0]
590 res
= res |
((b
& 0x7f) << shift
)
596 def u30(reader
=None):
597 res
= read_int(reader
)
598 assert res
& 0xf0000000 == 0
602 def s32(reader
=None):
604 if v
& 0x80000000 != 0:
605 v
= - ((v ^
0xffffffff) + 1)
608 def read_string(reader
=None):
612 resb
= reader
.read(slen
)
613 assert len(resb
) == slen
614 return resb
.decode('utf-8')
616 def read_bytes(count
, reader
=None):
619 resb
= reader
.read(count
)
620 assert len(resb
) == count
623 def read_byte(reader
=None):
624 resb
= read_bytes(1, reader
=reader
)
625 res
= struct
.unpack('<B', resb
)[0]
628 # minor_version + major_version
633 for _c
in range(1, int_count
):
636 for _c
in range(1, uint_count
):
639 read_bytes((double_count
-1) * 8)
641 constant_strings
= [u
'']
642 for _c
in range(1, string_count
):
644 constant_strings
.append(s
)
645 namespace_count
= u30()
646 for _c
in range(1, namespace_count
):
650 for _c
in range(1, ns_set_count
):
652 for _c2
in range(count
):
654 multiname_count
= u30()
663 0x0e: 2, # MultinameA
664 0x1b: 1, # MultinameL
665 0x1c: 1, # MultinameLA
668 for _c
in range(1, multiname_count
):
670 assert kind
in MULTINAME_SIZES
, u
'Invalid multiname kind %r' % kind
672 u30() # namespace_idx
674 multinames
.append(constant_strings
[name_idx
])
676 multinames
.append('[MULTINAME kind: %d]' % kind
)
677 for _c2
in range(MULTINAME_SIZES
[kind
]):
682 MethodInfo
= collections
.namedtuple(
684 ['NEED_ARGUMENTS', 'NEED_REST'])
686 for method_id
in range(method_count
):
689 for _
in range(param_count
):
691 u30() # name index (always 0 for youtube)
693 if flags
& 0x08 != 0:
696 for c
in range(option_count
):
699 if flags
& 0x80 != 0:
700 # Param names present
701 for _
in range(param_count
):
703 mi
= MethodInfo(flags
& 0x01 != 0, flags
& 0x04 != 0)
704 method_infos
.append(mi
)
707 metadata_count
= u30()
708 for _c
in range(metadata_count
):
711 for _c2
in range(item_count
):
715 def parse_traits_info():
716 trait_name_idx
= u30()
717 kind_full
= read_byte()
718 kind
= kind_full
& 0x0f
719 attrs
= kind_full
>> 4
721 if kind
in [0x00, 0x06]: # Slot or Const
723 u30() # type_name_idx
727 elif kind
in [0x01, 0x02, 0x03]: # Method / Getter / Setter
730 methods
[multinames
[trait_name_idx
]] = method_idx
731 elif kind
== 0x04: # Class
734 elif kind
== 0x05: # Function
737 methods
[function_idx
] = multinames
[trait_name_idx
]
739 raise ExtractorError(u
'Unsupported trait kind %d' % kind
)
741 if attrs
& 0x4 != 0: # Metadata present
742 metadata_count
= u30()
743 for _c3
in range(metadata_count
):
744 u30() # metadata index
749 TARGET_CLASSNAME
= u
'SignatureDecipher'
750 searched_idx
= multinames
.index(TARGET_CLASSNAME
)
751 searched_class_id
= None
753 for class_id
in range(class_count
):
755 if name_idx
== searched_idx
:
756 # We found the class we're looking for!
757 searched_class_id
= class_id
758 u30() # super_name idx
760 if flags
& 0x08 != 0: # Protected namespace is present
761 u30() # protected_ns_idx
763 for _c2
in range(intrf_count
):
767 for _c2
in range(trait_count
):
770 if searched_class_id
is None:
771 raise ExtractorError(u
'Target class %r not found' %
776 for class_id
in range(class_count
):
779 for _c2
in range(trait_count
):
780 trait_methods
= parse_traits_info()
781 if class_id
== searched_class_id
:
782 method_names
.update(trait_methods
.items())
783 method_idxs
.update(dict(
785 for name
, idx
in trait_methods
.items()))
789 for _c
in range(script_count
):
792 for _c2
in range(trait_count
):
796 method_body_count
= u30()
797 Method
= collections
.namedtuple('Method', ['code', 'local_count'])
799 for _c
in range(method_body_count
):
803 u30() # init_scope_depth
804 u30() # max_scope_depth
806 code
= read_bytes(code_length
)
807 if method_idx
in method_idxs
:
808 m
= Method(code
, local_count
)
809 methods
[method_idxs
[method_idx
]] = m
810 exception_count
= u30()
811 for _c2
in range(exception_count
):
818 for _c2
in range(trait_count
):
821 assert p
+ code_reader
.tell() == len(code_tag
)
822 assert len(methods
) == len(method_idxs
)
824 method_pyfunctions
= {}
826 def extract_function(func_name
):
827 if func_name
in method_pyfunctions
:
828 return method_pyfunctions
[func_name
]
829 if func_name
not in methods
:
830 raise ExtractorError(u
'Cannot find function %r' % func_name
)
831 m
= methods
[func_name
]
834 registers
= ['(this)'] + list(args
) + [None] * m
.local_count
836 coder
= io
.BytesIO(m
.code
)
838 opcode
= struct
.unpack('!B', coder
.read(1))[0]
839 if opcode
== 36: # pushbyte
840 v
= struct
.unpack('!B', coder
.read(1))[0]
842 elif opcode
== 44: # pushstring
844 stack
.append(constant_strings
[idx
])
845 elif opcode
== 48: # pushscope
846 # We don't implement the scope register, so we'll just
847 # ignore the popped value
849 elif opcode
== 70: # callproperty
851 mname
= multinames
[index
]
852 arg_count
= u30(coder
)
853 args
= list(reversed(
854 [stack
.pop() for _
in range(arg_count
)]))
856 if mname
== u
'split':
857 assert len(args
) == 1
858 assert isinstance(args
[0], compat_str
)
859 assert isinstance(obj
, compat_str
)
863 res
= obj
.split(args
[0])
865 elif mname
== u
'slice':
866 assert len(args
) == 1
867 assert isinstance(args
[0], int)
868 assert isinstance(obj
, list)
871 elif mname
== u
'join':
872 assert len(args
) == 1
873 assert isinstance(args
[0], compat_str
)
874 assert isinstance(obj
, list)
875 res
= args
[0].join(obj
)
877 elif mname
in method_pyfunctions
:
878 stack
.append(method_pyfunctions
[mname
](args
))
880 raise NotImplementedError(
881 u
'Unsupported property %r on %r'
883 elif opcode
== 72: # returnvalue
886 elif opcode
== 79: # callpropvoid
888 mname
= multinames
[index
]
889 arg_count
= u30(coder
)
890 args
= list(reversed(
891 [stack
.pop() for _
in range(arg_count
)]))
893 if mname
== u
'reverse':
894 assert isinstance(obj
, list)
897 raise NotImplementedError(
898 u
'Unsupported (void) property %r on %r'
900 elif opcode
== 93: # findpropstrict
902 mname
= multinames
[index
]
903 res
= extract_function(mname
)
905 elif opcode
== 97: # setproperty
910 assert isinstance(obj
, list)
911 assert isinstance(idx
, int)
913 elif opcode
== 98: # getlocal
915 stack
.append(registers
[index
])
916 elif opcode
== 99: # setlocal
919 registers
[index
] = value
920 elif opcode
== 102: # getproperty
922 pname
= multinames
[index
]
923 if pname
== u
'length':
925 assert isinstance(obj
, list)
926 stack
.append(len(obj
))
927 else: # Assume attribute access
929 assert isinstance(idx
, int)
931 assert isinstance(obj
, list)
932 stack
.append(obj
[idx
])
933 elif opcode
== 128: # coerce
935 elif opcode
== 133: # coerce_s
936 assert isinstance(stack
[-1], (type(None), compat_str
))
937 elif opcode
== 164: # modulo
940 res
= value1
% value2
942 elif opcode
== 208: # getlocal_0
943 stack
.append(registers
[0])
944 elif opcode
== 209: # getlocal_1
945 stack
.append(registers
[1])
946 elif opcode
== 210: # getlocal_2
947 stack
.append(registers
[2])
948 elif opcode
== 211: # getlocal_3
949 stack
.append(registers
[3])
950 elif opcode
== 214: # setlocal_2
951 registers
[2] = stack
.pop()
952 elif opcode
== 215: # setlocal_3
953 registers
[3] = stack
.pop()
955 raise NotImplementedError(
956 u
'Unsupported opcode %d' % opcode
)
958 method_pyfunctions
[func_name
] = resfunc
961 initial_function
= extract_function(u
'decipher')
962 return lambda s
: initial_function([s
])
964 def _decrypt_signature(self
, s
, video_id
, player_url
, age_gate
=False):
965 """Turn the encrypted s field into a working signature"""
967 if player_url
is not None:
968 if player_url
.startswith(u
'//'):
969 player_url
= u
'https:' + player_url
971 player_id
= (player_url
, len(s
))
972 if player_id
not in self
._player
_cache
:
973 func
= self
._extract
_signature
_function
(
974 video_id
, player_url
, len(s
)
976 self
._player
_cache
[player_id
] = func
977 func
= self
._player
_cache
[player_id
]
978 if self
._downloader
.params
.get('youtube_print_sig_code'):
979 self
._print
_sig
_code
(func
, len(s
))
982 tb
= traceback
.format_exc()
983 self
._downloader
.report_warning(
984 u
'Automatic signature extraction failed: ' + tb
)
986 self
._downloader
.report_warning(
987 u
'Warning: Falling back to static signature algorithm')
989 return self
._static
_decrypt
_signature
(
990 s
, video_id
, player_url
, age_gate
)
992 def _static_decrypt_signature(self
, s
, video_id
, player_url
, age_gate
):
994 # The videos with age protection use another player, so the
995 # algorithms can be different.
997 return s
[2:63] + s
[82] + s
[64:82] + s
[63]
1000 return s
[86:29:-1] + s
[88] + s
[28:5:-1]
1002 return s
[25] + s
[3:25] + s
[0] + s
[26:42] + s
[79] + s
[43:79] + s
[91] + s
[80:83]
1004 return s
[84:27:-1] + s
[86] + s
[26:5:-1]
1006 return s
[25] + s
[3:25] + s
[2] + s
[26:40] + s
[77] + s
[41:77] + s
[89] + s
[78:81]
1008 return s
[84:78:-1] + s
[87] + s
[77:60:-1] + s
[0] + s
[59:3:-1]
1010 return s
[7:28] + s
[87] + s
[29:45] + s
[55] + s
[46:55] + s
[2] + s
[56:87] + s
[28]
1012 return s
[6:27] + s
[4] + s
[28:39] + s
[27] + s
[40:59] + s
[2] + s
[60:]
1014 return s
[80:72:-1] + s
[16] + s
[71:39:-1] + s
[72] + s
[38:16:-1] + s
[82] + s
[15::-1]
1016 return s
[3:11] + s
[0] + s
[12:55] + s
[84] + s
[56:84]
1018 return s
[78:70:-1] + s
[14] + s
[69:37:-1] + s
[70] + s
[36:14:-1] + s
[80] + s
[:14][::-1]
1020 return s
[80:63:-1] + s
[0] + s
[62:0:-1] + s
[63]
1022 return s
[80:37:-1] + s
[7] + s
[36:7:-1] + s
[0] + s
[6:0:-1] + s
[37]
1024 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]
1026 return s
[1:19] + s
[0] + s
[20:68] + s
[19] + s
[69:80]
1028 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]
1031 raise ExtractorError(u
'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s
)))
1033 def _get_available_subtitles(self
, video_id
, webpage
):
1035 sub_list
= self
._download
_webpage
(
1036 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id
,
1037 video_id
, note
=False)
1038 except ExtractorError
as err
:
1039 self
._downloader
.report_warning(u
'unable to download video subtitles: %s' % compat_str(err
))
1041 lang_list
= re
.findall(r
'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list
)
1046 params
= compat_urllib_parse
.urlencode({
1049 'fmt': self
._downloader
.params
.get('subtitlesformat', 'srt'),
1050 'name': unescapeHTML(l
[0]).encode('utf-8'),
1052 url
= u
'https://www.youtube.com/api/timedtext?' + params
1053 sub_lang_list
[lang
] = url
1054 if not sub_lang_list
:
1055 self
._downloader
.report_warning(u
'video doesn\'t have subtitles')
1057 return sub_lang_list
1059 def _get_available_automatic_caption(self
, video_id
, webpage
):
1060 """We need the webpage for getting the captions url, pass it as an
1061 argument to speed up the process."""
1062 sub_format
= self
._downloader
.params
.get('subtitlesformat', 'srt')
1063 self
.to_screen(u
'%s: Looking for automatic captions' % video_id
)
1064 mobj
= re
.search(r
';ytplayer.config = ({.*?});', webpage
)
1065 err_msg
= u
'Couldn\'t find automatic captions for %s' % video_id
1067 self
._downloader
.report_warning(err_msg
)
1069 player_config
= json
.loads(mobj
.group(1))
1071 args
= player_config
[u
'args']
1072 caption_url
= args
[u
'ttsurl']
1073 timestamp
= args
[u
'timestamp']
1074 # We get the available subtitles
1075 list_params
= compat_urllib_parse
.urlencode({
1080 list_url
= caption_url
+ '&' + list_params
1081 caption_list
= self
._download
_xml
(list_url
, video_id
)
1082 original_lang_node
= caption_list
.find('track')
1083 if original_lang_node
is None or original_lang_node
.attrib
.get('kind') != 'asr' :
1084 self
._downloader
.report_warning(u
'Video doesn\'t have automatic captions')
1086 original_lang
= original_lang_node
.attrib
['lang_code']
1089 for lang_node
in caption_list
.findall('target'):
1090 sub_lang
= lang_node
.attrib
['lang_code']
1091 params
= compat_urllib_parse
.urlencode({
1092 'lang': original_lang
,
1098 sub_lang_list
[sub_lang
] = caption_url
+ '&' + params
1099 return sub_lang_list
1100 # An extractor error can be raise by the download process if there are
1101 # no automatic captions but there are subtitles
1102 except (KeyError, ExtractorError
):
1103 self
._downloader
.report_warning(err_msg
)
1107 def extract_id(cls
, url
):
1108 mobj
= re
.match(cls
._VALID
_URL
, url
, re
.VERBOSE
)
1110 raise ExtractorError(u
'Invalid URL: %s' % url
)
1111 video_id
= mobj
.group(2)
1114 def _extract_from_m3u8(self
, manifest_url
, video_id
):
1116 def _get_urls(_manifest
):
1117 lines
= _manifest
.split('\n')
1118 urls
= filter(lambda l
: l
and not l
.startswith('#'),
1121 manifest
= self
._download
_webpage
(manifest_url
, video_id
, u
'Downloading formats manifest')
1122 formats_urls
= _get_urls(manifest
)
1123 for format_url
in formats_urls
:
1124 itag
= self
._search
_regex
(r
'itag/(\d+?)/', format_url
, 'itag')
1125 url_map
[itag
] = format_url
1128 def _extract_annotations(self
, video_id
):
1129 url
= 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
1130 return self
._download
_webpage
(url
, video_id
, note
=u
'Searching for annotations.', errnote
=u
'Unable to download video annotations.')
1132 def _real_extract(self
, url
):
1133 # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1134 mobj
= re
.search(self
._NEXT
_URL
_RE
, url
)
1136 url
= 'https://www.youtube.com/' + compat_urllib_parse
.unquote(mobj
.group(1)).lstrip('/')
1137 video_id
= self
.extract_id(url
)
1140 url
= 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
1141 video_webpage
= self
._download
_webpage
(url
, video_id
)
1143 # Attempt to extract SWF player URL
1144 mobj
= re
.search(r
'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage
)
1145 if mobj
is not None:
1146 player_url
= re
.sub(r
'\\(.)', r
'\1', mobj
.group(1))
1151 self
.report_video_info_webpage_download(video_id
)
1152 if re
.search(r
'player-age-gate-content">', video_webpage
) is not None:
1153 self
.report_age_confirmation()
1155 # We simulate the access to the video from www.youtube.com/v/{video_id}
1156 # this can be viewed without login into Youtube
1157 data
= compat_urllib_parse
.urlencode({'video_id': video_id
,
1158 'el': 'player_embedded',
1161 'eurl': 'https://youtube.googleapis.com/v/' + video_id
,
1165 video_info_url
= 'https://www.youtube.com/get_video_info?' + data
1166 video_info_webpage
= self
._download
_webpage
(video_info_url
, video_id
,
1168 errnote
='unable to download video info webpage')
1169 video_info
= compat_parse_qs(video_info_webpage
)
1172 for el_type
in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
1173 video_info_url
= ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
1174 % (video_id
, el_type
))
1175 video_info_webpage
= self
._download
_webpage
(video_info_url
, video_id
,
1177 errnote
='unable to download video info webpage')
1178 video_info
= compat_parse_qs(video_info_webpage
)
1179 if 'token' in video_info
:
1181 if 'token' not in video_info
:
1182 if 'reason' in video_info
:
1183 raise ExtractorError(u
'YouTube said: %s' % video_info
['reason'][0], expected
=True)
1185 raise ExtractorError(u
'"token" parameter not in video info for unknown reason')
1187 if 'view_count' in video_info
:
1188 view_count
= int(video_info
['view_count'][0])
1192 # Check for "rental" videos
1193 if 'ypc_video_rental_bar_text' in video_info
and 'author' not in video_info
:
1194 raise ExtractorError(u
'"rental" videos not supported')
1196 # Start extracting information
1197 self
.report_information_extraction(video_id
)
1200 if 'author' not in video_info
:
1201 raise ExtractorError(u
'Unable to extract uploader name')
1202 video_uploader
= compat_urllib_parse
.unquote_plus(video_info
['author'][0])
1205 video_uploader_id
= None
1206 mobj
= re
.search(r
'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage
)
1207 if mobj
is not None:
1208 video_uploader_id
= mobj
.group(1)
1210 self
._downloader
.report_warning(u
'unable to extract uploader nickname')
1213 if 'title' in video_info
:
1214 video_title
= compat_urllib_parse
.unquote_plus(video_info
['title'][0])
1216 self
._downloader
.report_warning(u
'Unable to extract video title')
1220 # We try first to get a high quality image:
1221 m_thumb
= re
.search(r
'<span itemprop="thumbnail".*?href="(.*?)">',
1222 video_webpage
, re
.DOTALL
)
1223 if m_thumb
is not None:
1224 video_thumbnail
= m_thumb
.group(1)
1225 elif 'thumbnail_url' not in video_info
:
1226 self
._downloader
.report_warning(u
'unable to extract video thumbnail')
1227 video_thumbnail
= None
1228 else: # don't panic if we can't find it
1229 video_thumbnail
= compat_urllib_parse
.unquote_plus(video_info
['thumbnail_url'][0])
1233 mobj
= re
.search(r
'id="eow-date.*?>(.*?)</span>', video_webpage
, re
.DOTALL
)
1234 if mobj
is not None:
1235 upload_date
= ' '.join(re
.sub(r
'[/,-]', r
' ', mobj
.group(1)).split())
1236 upload_date
= unified_strdate(upload_date
)
1239 video_description
= get_element_by_id("eow-description", video_webpage
)
1240 if video_description
:
1241 video_description
= re
.sub(r
'''(?x)
1243 (?:[a-zA-Z-]+="[^"]+"\s+)*?
1245 (?:[a-zA-Z-]+="[^"]+"\s+)*?
1246 class="yt-uix-redirect-link"\s*>
1249 ''', r
'\1', video_description
)
1250 video_description
= clean_html(video_description
)
1252 fd_mobj
= re
.search(r
'<meta name="description" content="([^"]+)"', video_webpage
)
1254 video_description
= unescapeHTML(fd_mobj
.group(1))
1256 video_description
= u
''
1258 def _extract_count(klass
):
1259 count
= self
._search
_regex
(
1260 r
'class="%s">([\d,]+)</span>' % re
.escape(klass
),
1261 video_webpage
, klass
, default
=None)
1262 if count
is not None:
1263 return int(count
.replace(',', ''))
1265 like_count
= _extract_count(u
'likes-count')
1266 dislike_count
= _extract_count(u
'dislikes-count')
1269 video_subtitles
= self
.extract_subtitles(video_id
, video_webpage
)
1271 if self
._downloader
.params
.get('listsubtitles', False):
1272 self
._list
_available
_subtitles
(video_id
, video_webpage
)
1275 if 'length_seconds' not in video_info
:
1276 self
._downloader
.report_warning(u
'unable to extract video duration')
1277 video_duration
= None
1279 video_duration
= int(compat_urllib_parse
.unquote_plus(video_info
['length_seconds'][0]))
1282 video_annotations
= None
1283 if self
._downloader
.params
.get('writeannotations', False):
1284 video_annotations
= self
._extract
_annotations
(video_id
)
1286 # Decide which formats to download
1288 mobj
= re
.search(r
';ytplayer.config = ({.*?});', video_webpage
)
1290 raise ValueError('Could not find vevo ID')
1291 ytplayer_config
= json
.loads(mobj
.group(1))
1292 args
= ytplayer_config
['args']
1293 # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
1294 # this signatures are encrypted
1295 if 'url_encoded_fmt_stream_map' not in args
:
1296 raise ValueError(u
'No stream_map present') # caught below
1297 re_signature
= re
.compile(r
'[&,]s=')
1298 m_s
= re_signature
.search(args
['url_encoded_fmt_stream_map'])
1300 self
.to_screen(u
'%s: Encrypted signatures detected.' % video_id
)
1301 video_info
['url_encoded_fmt_stream_map'] = [args
['url_encoded_fmt_stream_map']]
1302 m_s
= re_signature
.search(args
.get('adaptive_fmts', u
''))
1304 if 'adaptive_fmts' in video_info
:
1305 video_info
['adaptive_fmts'][0] += ',' + args
['adaptive_fmts']
1307 video_info
['adaptive_fmts'] = [args
['adaptive_fmts']]
1311 def _map_to_format_list(urlmap
):
1313 for itag
, video_real_url
in urlmap
.items():
1316 'url': video_real_url
,
1317 'player_url': player_url
,
1319 if itag
in self
._formats
:
1320 dct
.update(self
._formats
[itag
])
1324 if 'conn' in video_info
and video_info
['conn'][0].startswith('rtmp'):
1325 self
.report_rtmp_download()
1327 'format_id': '_rtmp',
1329 'url': video_info
['conn'][0],
1330 'player_url': player_url
,
1332 elif len(video_info
.get('url_encoded_fmt_stream_map', [])) >= 1 or len(video_info
.get('adaptive_fmts', [])) >= 1:
1333 encoded_url_map
= video_info
.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info
.get('adaptive_fmts',[''])[0]
1334 if 'rtmpe%3Dyes' in encoded_url_map
:
1335 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected
=True)
1337 for url_data_str
in encoded_url_map
.split(','):
1338 url_data
= compat_parse_qs(url_data_str
)
1339 if 'itag' in url_data
and 'url' in url_data
:
1340 url
= url_data
['url'][0]
1341 if 'sig' in url_data
:
1342 url
+= '&signature=' + url_data
['sig'][0]
1343 elif 's' in url_data
:
1344 encrypted_sig
= url_data
['s'][0]
1345 if self
._downloader
.params
.get('verbose'):
1347 if player_url
is None:
1348 player_version
= 'unknown'
1350 player_version
= self
._search
_regex
(
1351 r
'-(.+)\.swf$', player_url
,
1352 u
'flash player', fatal
=False)
1353 player_desc
= 'flash player %s' % player_version
1355 player_version
= self
._search
_regex
(
1356 r
'html5player-(.+?)\.js', video_webpage
,
1357 'html5 player', fatal
=False)
1358 player_desc
= u
'html5 player %s' % player_version
1360 parts_sizes
= u
'.'.join(compat_str(len(part
)) for part
in encrypted_sig
.split('.'))
1361 self
.to_screen(u
'encrypted signature length %d (%s), itag %s, %s' %
1362 (len(encrypted_sig
), parts_sizes
, url_data
['itag'][0], player_desc
))
1365 jsplayer_url_json
= self
._search
_regex
(
1366 r
'"assets":.+?"js":\s*("[^"]+")',
1367 video_webpage
, u
'JS player URL')
1368 player_url
= json
.loads(jsplayer_url_json
)
1370 signature
= self
._decrypt
_signature
(
1371 encrypted_sig
, video_id
, player_url
, age_gate
)
1372 url
+= '&signature=' + signature
1373 if 'ratebypass' not in url
:
1374 url
+= '&ratebypass=yes'
1375 url_map
[url_data
['itag'][0]] = url
1376 formats
= _map_to_format_list(url_map
)
1377 elif video_info
.get('hlsvp'):
1378 manifest_url
= video_info
['hlsvp'][0]
1379 url_map
= self
._extract
_from
_m
3u8(manifest_url
, video_id
)
1380 formats
= _map_to_format_list(url_map
)
1382 raise ExtractorError(u
'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
1384 # Look for the DASH manifest
1385 if (self
._downloader
.params
.get('youtube_include_dash_manifest', False)):
1387 # The DASH manifest used needs to be the one from the original video_webpage.
1388 # The one found in get_video_info seems to be using different signatures.
1389 # However, in the case of an age restriction there won't be any embedded dashmpd in the video_webpage.
1390 # Luckily, it seems, this case uses some kind of default signature (len == 86), so the
1391 # combination of get_video_info and the _static_decrypt_signature() decryption fallback will work here.
1393 dash_manifest_url
= video_info
.get('dashmpd')[0]
1395 dash_manifest_url
= ytplayer_config
['args']['dashmpd']
1396 def decrypt_sig(mobj
):
1398 dec_s
= self
._decrypt
_signature
(s
, video_id
, player_url
, age_gate
)
1399 return '/signature/%s' % dec_s
1400 dash_manifest_url
= re
.sub(r
'/s/([\w\.]+)', decrypt_sig
, dash_manifest_url
)
1401 dash_doc
= self
._download
_xml
(
1402 dash_manifest_url
, video_id
,
1403 note
=u
'Downloading DASH manifest',
1404 errnote
=u
'Could not download DASH manifest')
1405 for r
in dash_doc
.findall(u
'.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):
1406 url_el
= r
.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL')
1409 format_id
= r
.attrib
['id']
1410 video_url
= url_el
.text
1411 filesize
= int_or_none(url_el
.attrib
.get('{http://youtube.com/yt/2012/10/10}contentLength'))
1413 'format_id': format_id
,
1415 'width': int_or_none(r
.attrib
.get('width')),
1416 'tbr': int_or_none(r
.attrib
.get('bandwidth'), 1000),
1417 'asr': int_or_none(r
.attrib
.get('audioSamplingRate')),
1418 'filesize': filesize
,
1421 existing_format
= next(
1422 fo
for fo
in formats
1423 if fo
['format_id'] == format_id
)
1424 except StopIteration:
1425 f
.update(self
._formats
.get(format_id
, {}))
1428 existing_format
.update(f
)
1430 except (ExtractorError
, KeyError) as e
:
1431 self
.report_warning(u
'Skipping DASH manifest: %s' % e
, video_id
)
1433 self
._sort
_formats
(formats
)
1437 'uploader': video_uploader
,
1438 'uploader_id': video_uploader_id
,
1439 'upload_date': upload_date
,
1440 'title': video_title
,
1441 'thumbnail': video_thumbnail
,
1442 'description': video_description
,
1443 'subtitles': video_subtitles
,
1444 'duration': video_duration
,
1445 'age_limit': 18 if age_gate
else 0,
1446 'annotations': video_annotations
,
1447 'webpage_url': 'https://www.youtube.com/watch?v=%s' % video_id
,
1448 'view_count': view_count
,
1449 'like_count': like_count
,
1450 'dislike_count': dislike_count
,
1454 class YoutubePlaylistIE(YoutubeBaseInfoExtractor
):
1455 IE_DESC
= u
'YouTube.com playlists'
1456 _VALID_URL
= r
"""(?x)(?:
1461 (?:course|view_play_list|my_playlists|artist|playlist|watch)
1462 \? (?:.*?&)*? (?:p|a|list)=
1466 (?:PL|EC|UU|FL|RD)?[0-9A-Za-z-_]{10,}
1467 # Top tracks, they can also include dots
1472 ((?:PL|EC|UU|FL|RD)[0-9A-Za-z-_]{10,})
1474 _TEMPLATE_URL
= 'https://www.youtube.com/playlist?list=%s'
1475 _MORE_PAGES_INDICATOR
= r
'data-link-type="next"'
1476 _VIDEO_RE
= r
'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&[^"]*?index=(?P<index>\d+)'
1477 IE_NAME
= u
'youtube:playlist'
1479 def _real_initialize(self
):
1482 def _ids_to_results(self
, ids
):
1483 return [self
.url_result(vid_id
, 'Youtube', video_id
=vid_id
)
1486 def _extract_mix(self
, playlist_id
):
1487 # The mixes are generated from a a single video
1488 # the id of the playlist is just 'RD' + video_id
1489 url
= 'https://youtube.com/watch?v=%s&list=%s' % (playlist_id
[-11:], playlist_id
)
1490 webpage
= self
._download
_webpage
(url
, playlist_id
, u
'Downloading Youtube mix')
1491 search_title
= lambda class_name
: get_element_by_attribute('class', class_name
, webpage
)
1492 title_span
= (search_title('playlist-title') or
1493 search_title('title long-title') or search_title('title'))
1494 title
= clean_html(title_span
)
1495 video_re
= r
'''(?x)data-video-username="(.*?)".*?
1496 href="/watch\?v=([0-9A-Za-z_-]{11})&[^"]*?list=%s''' % re
.escape(playlist_id
)
1497 matches
= orderedSet(re
.findall(video_re
, webpage
, flags
=re
.DOTALL
))
1498 # Some of the videos may have been deleted, their username field is empty
1499 ids
= [video_id
for (username
, video_id
) in matches
if username
]
1500 url_results
= self
._ids
_to
_results
(ids
)
1502 return self
.playlist_result(url_results
, playlist_id
, title
)
1504 def _real_extract(self
, url
):
1505 # Extract playlist id
1506 mobj
= re
.match(self
._VALID
_URL
, url
)
1508 raise ExtractorError(u
'Invalid URL: %s' % url
)
1509 playlist_id
= mobj
.group(1) or mobj
.group(2)
1511 # Check if it's a video-specific URL
1512 query_dict
= compat_urlparse
.parse_qs(compat_urlparse
.urlparse(url
).query
)
1513 if 'v' in query_dict
:
1514 video_id
= query_dict
['v'][0]
1515 if self
._downloader
.params
.get('noplaylist'):
1516 self
.to_screen(u
'Downloading just video %s because of --no-playlist' % video_id
)
1517 return self
.url_result(video_id
, 'Youtube', video_id
=video_id
)
1519 self
.to_screen(u
'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id
, video_id
))
1521 if playlist_id
.startswith('RD'):
1522 # Mixes require a custom extraction process
1523 return self
._extract
_mix
(playlist_id
)
1524 if playlist_id
.startswith('TL'):
1525 raise ExtractorError(u
'For downloading YouTube.com top lists, use '
1526 u
'the "yttoplist" keyword, for example "youtube-dl \'yttoplist:music:Top Tracks\'"', expected
=True)
1528 url
= self
._TEMPLATE
_URL
% playlist_id
1529 page
= self
._download
_webpage
(url
, playlist_id
)
1530 more_widget_html
= content_html
= page
1532 # Extract the video ids from the playlist pages
1535 for page_num
in itertools
.count(1):
1536 matches
= re
.finditer(self
._VIDEO
_RE
, content_html
)
1537 # We remove the duplicates and the link with index 0
1538 # (it's not the first video of the playlist)
1539 new_ids
= orderedSet(m
.group('id') for m
in matches
if m
.group('index') != '0')
1542 mobj
= re
.search(r
'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html
)
1546 more
= self
._download
_json
(
1547 'https://youtube.com/%s' % mobj
.group('more'), playlist_id
, 'Downloading page #%s' % page_num
)
1548 content_html
= more
['content_html']
1549 more_widget_html
= more
['load_more_widget_html']
1551 playlist_title
= self
._html
_search
_regex
(
1552 r
'<h1 class="pl-header-title">\s*(.*?)\s*</h1>', page
, u
'title')
1554 url_results
= self
._ids
_to
_results
(ids
)
1555 return self
.playlist_result(url_results
, playlist_id
, playlist_title
)
1558 class YoutubeTopListIE(YoutubePlaylistIE
):
1559 IE_NAME
= u
'youtube:toplist'
1560 IE_DESC
= (u
'YouTube.com top lists, "yttoplist:{channel}:{list title}"'
1561 u
' (Example: "yttoplist:music:Top Tracks")')
1562 _VALID_URL
= r
'yttoplist:(?P<chann>.*?):(?P<title>.*?)$'
1564 def _real_extract(self
, url
):
1565 mobj
= re
.match(self
._VALID
_URL
, url
)
1566 channel
= mobj
.group('chann')
1567 title
= mobj
.group('title')
1568 query
= compat_urllib_parse
.urlencode({'title': title}
)
1569 playlist_re
= 'href="([^"]+?%s.*?)"' % re
.escape(query
)
1570 channel_page
= self
._download
_webpage
('https://www.youtube.com/%s' % channel
, title
)
1571 link
= self
._html
_search
_regex
(playlist_re
, channel_page
, u
'list')
1572 url
= compat_urlparse
.urljoin('https://www.youtube.com/', link
)
1574 video_re
= r
'data-index="\d+".*?data-video-id="([0-9A-Za-z_-]{11})"'
1576 # sometimes the webpage doesn't contain the videos
1577 # retry until we get them
1578 for i
in itertools
.count(0):
1579 msg
= u
'Downloading Youtube mix'
1581 msg
+= ', retry #%d' % i
1582 webpage
= self
._download
_webpage
(url
, title
, msg
)
1583 ids
= orderedSet(re
.findall(video_re
, webpage
))
1586 url_results
= self
._ids
_to
_results
(ids
)
1587 return self
.playlist_result(url_results
, playlist_title
=title
)
1590 class YoutubeChannelIE(InfoExtractor
):
1591 IE_DESC
= u
'YouTube.com channels'
1592 _VALID_URL
= r
"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
1593 _MORE_PAGES_INDICATOR
= 'yt-uix-load-more'
1594 _MORE_PAGES_URL
= 'https://www.youtube.com/c4_browse_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
1595 IE_NAME
= u
'youtube:channel'
1597 def extract_videos_from_page(self
, page
):
1599 for mobj
in re
.finditer(r
'href="/watch\?v=([0-9A-Za-z_-]+)&?', page
):
1600 if mobj
.group(1) not in ids_in_page
:
1601 ids_in_page
.append(mobj
.group(1))
1604 def _real_extract(self
, url
):
1605 # Extract channel id
1606 mobj
= re
.match(self
._VALID
_URL
, url
)
1608 raise ExtractorError(u
'Invalid URL: %s' % url
)
1610 # Download channel page
1611 channel_id
= mobj
.group(1)
1613 url
= 'https://www.youtube.com/channel/%s/videos' % channel_id
1614 channel_page
= self
._download
_webpage
(url
, channel_id
)
1615 autogenerated
= re
.search(r
'''(?x)
1617 channel-header-autogenerated-label|
1618 yt-channel-title-autogenerated
1619 )[^"]*"''', channel_page
) is not None
1622 # The videos are contained in a single page
1623 # the ajax pages can't be used, they are empty
1624 video_ids
= self
.extract_videos_from_page(channel_page
)
1626 # Download all channel pages using the json-based channel_ajax query
1627 for pagenum
in itertools
.count(1):
1628 url
= self
._MORE
_PAGES
_URL
% (pagenum
, channel_id
)
1629 page
= self
._download
_json
(
1630 url
, channel_id
, note
=u
'Downloading page #%s' % pagenum
,
1631 transform_source
=uppercase_escape
)
1633 ids_in_page
= self
.extract_videos_from_page(page
['content_html'])
1634 video_ids
.extend(ids_in_page
)
1636 if self
._MORE
_PAGES
_INDICATOR
not in page
['load_more_widget_html']:
1639 self
._downloader
.to_screen(u
'[youtube] Channel %s: Found %i videos' % (channel_id
, len(video_ids
)))
1641 url_entries
= [self
.url_result(video_id
, 'Youtube', video_id
=video_id
)
1642 for video_id
in video_ids
]
1643 return self
.playlist_result(url_entries
, channel_id
)
1646 class YoutubeUserIE(InfoExtractor
):
1647 IE_DESC
= u
'YouTube.com user videos (URL or "ytuser" keyword)'
1648 _VALID_URL
= r
'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?(?!(?:attribution_link|watch|results)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
1649 _TEMPLATE_URL
= 'https://gdata.youtube.com/feeds/api/users/%s'
1650 _GDATA_PAGE_SIZE
= 50
1651 _GDATA_URL
= 'https://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
1652 IE_NAME
= u
'youtube:user'
1655 def suitable(cls
, url
):
1656 # Don't return True if the url can be extracted with other youtube
1657 # extractor, the regex would is too permissive and it would match.
1658 other_ies
= iter(klass
for (name
, klass
) in globals().items() if name
.endswith('IE') and klass
is not cls
)
1659 if any(ie
.suitable(url
) for ie
in other_ies
): return False
1660 else: return super(YoutubeUserIE
, cls
).suitable(url
)
1662 def _real_extract(self
, url
):
1664 mobj
= re
.match(self
._VALID
_URL
, url
)
1666 raise ExtractorError(u
'Invalid URL: %s' % url
)
1668 username
= mobj
.group(1)
1670 # Download video ids using YouTube Data API. Result size per
1671 # query is limited (currently to 50 videos) so we need to query
1672 # page by page until there are no video ids - it means we got
1675 def download_page(pagenum
):
1676 start_index
= pagenum
* self
._GDATA
_PAGE
_SIZE
+ 1
1678 gdata_url
= self
._GDATA
_URL
% (username
, self
._GDATA
_PAGE
_SIZE
, start_index
)
1679 page
= self
._download
_webpage
(
1680 gdata_url
, username
,
1681 u
'Downloading video ids from %d to %d' % (
1682 start_index
, start_index
+ self
._GDATA
_PAGE
_SIZE
))
1685 response
= json
.loads(page
)
1686 except ValueError as err
:
1687 raise ExtractorError(u
'Invalid JSON in API response: ' + compat_str(err
))
1688 if 'entry' not in response
['feed']:
1691 # Extract video identifiers
1692 entries
= response
['feed']['entry']
1693 for entry
in entries
:
1694 title
= entry
['title']['$t']
1695 video_id
= entry
['id']['$t'].split('/')[-1]
1699 'ie_key': 'Youtube',
1703 url_results
= PagedList(download_page
, self
._GDATA
_PAGE
_SIZE
)
1705 return self
.playlist_result(url_results
, playlist_title
=username
)
1708 class YoutubeSearchIE(SearchInfoExtractor
):
1709 IE_DESC
= u
'YouTube.com searches'
1710 _API_URL
= 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1712 IE_NAME
= u
'youtube:search'
1713 _SEARCH_KEY
= 'ytsearch'
1715 def _get_n_results(self
, query
, n
):
1716 """Get a specified number of results for a query"""
1722 while (50 * pagenum
) < limit
:
1723 result_url
= self
._API
_URL
% (compat_urllib_parse
.quote_plus(query
), (50*pagenum
)+1)
1724 data_json
= self
._download
_webpage
(
1725 result_url
, video_id
=u
'query "%s"' % query
,
1726 note
=u
'Downloading page %s' % (pagenum
+ 1),
1727 errnote
=u
'Unable to download API page')
1728 data
= json
.loads(data_json
)
1729 api_response
= data
['data']
1731 if 'items' not in api_response
:
1732 raise ExtractorError(
1733 u
'[youtube] No video results', expected
=True)
1735 new_ids
= list(video
['id'] for video
in api_response
['items'])
1736 video_ids
+= new_ids
1738 limit
= min(n
, api_response
['totalItems'])
1741 if len(video_ids
) > n
:
1742 video_ids
= video_ids
[:n
]
1743 videos
= [self
.url_result(video_id
, 'Youtube', video_id
=video_id
)
1744 for video_id
in video_ids
]
1745 return self
.playlist_result(videos
, query
)
1748 class YoutubeSearchDateIE(YoutubeSearchIE
):
1749 IE_NAME
= YoutubeSearchIE
.IE_NAME
+ ':date'
1750 _API_URL
= 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc&orderby=published'
1751 _SEARCH_KEY
= 'ytsearchdate'
1752 IE_DESC
= u
'YouTube.com searches, newest videos first'
1755 class YoutubeSearchURLIE(InfoExtractor
):
1756 IE_DESC
= u
'YouTube.com search URLs'
1757 IE_NAME
= u
'youtube:search_url'
1758 _VALID_URL
= r
'https?://(?:www\.)?youtube\.com/results\?(.*?&)?search_query=(?P<query>[^&]+)(?:[&]|$)'
1760 def _real_extract(self
, url
):
1761 mobj
= re
.match(self
._VALID
_URL
, url
)
1762 query
= compat_urllib_parse
.unquote_plus(mobj
.group('query'))
1764 webpage
= self
._download
_webpage
(url
, query
)
1765 result_code
= self
._search
_regex
(
1766 r
'(?s)<ol id="search-results"(.*?)</ol>', webpage
, u
'result HTML')
1768 part_codes
= re
.findall(
1769 r
'(?s)<h3 class="yt-lockup-title">(.*?)</h3>', result_code
)
1771 for part_code
in part_codes
:
1772 part_title
= self
._html
_search
_regex
(
1773 r
'(?s)title="([^"]+)"', part_code
, 'item title', fatal
=False)
1774 part_url_snippet
= self
._html
_search
_regex
(
1775 r
'(?s)href="([^"]+)"', part_code
, 'item URL')
1776 part_url
= compat_urlparse
.urljoin(
1777 'https://www.youtube.com/', part_url_snippet
)
1781 'title': part_title
,
1785 '_type': 'playlist',
1791 class YoutubeShowIE(InfoExtractor
):
1792 IE_DESC
= u
'YouTube.com (multi-season) shows'
1793 _VALID_URL
= r
'https?://www\.youtube\.com/show/(.*)'
1794 IE_NAME
= u
'youtube:show'
1796 def _real_extract(self
, url
):
1797 mobj
= re
.match(self
._VALID
_URL
, url
)
1798 show_name
= mobj
.group(1)
1799 webpage
= self
._download
_webpage
(url
, show_name
, u
'Downloading show webpage')
1800 # There's one playlist for each season of the show
1801 m_seasons
= list(re
.finditer(r
'href="(/playlist\?list=.*?)"', webpage
))
1802 self
.to_screen(u
'%s: Found %s seasons' % (show_name
, len(m_seasons
)))
1803 return [self
.url_result('https://www.youtube.com' + season
.group(1), 'YoutubePlaylist') for season
in m_seasons
]
1806 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor
):
1808 Base class for extractors that fetch info from
1809 http://www.youtube.com/feed_ajax
1810 Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1812 _LOGIN_REQUIRED
= True
1813 # use action_load_personal_feed instead of action_load_system_feed
1814 _PERSONAL_FEED
= False
1817 def _FEED_TEMPLATE(self
):
1818 action
= 'action_load_system_feed'
1819 if self
._PERSONAL
_FEED
:
1820 action
= 'action_load_personal_feed'
1821 return 'https://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action
, self
._FEED
_NAME
)
1825 return u
'youtube:%s' % self
._FEED
_NAME
1827 def _real_initialize(self
):
1830 def _real_extract(self
, url
):
1833 for i
in itertools
.count(1):
1834 info
= self
._download
_webpage
(self
._FEED
_TEMPLATE
% paging
,
1835 u
'%s feed' % self
._FEED
_NAME
,
1836 u
'Downloading page %s' % i
)
1837 info
= json
.loads(info
)
1838 feed_html
= info
['feed_html']
1839 m_ids
= re
.finditer(r
'"/watch\?v=(.*?)["&]', feed_html
)
1840 ids
= orderedSet(m
.group(1) for m
in m_ids
)
1841 feed_entries
.extend(
1842 self
.url_result(video_id
, 'Youtube', video_id
=video_id
)
1843 for video_id
in ids
)
1844 if info
['paging'] is None:
1846 paging
= info
['paging']
1847 return self
.playlist_result(feed_entries
, playlist_title
=self
._PLAYLIST
_TITLE
)
1849 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor
):
1850 IE_DESC
= u
'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
1851 _VALID_URL
= r
'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
1852 _FEED_NAME
= 'subscriptions'
1853 _PLAYLIST_TITLE
= u
'Youtube Subscriptions'
1855 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor
):
1856 IE_DESC
= u
'YouTube.com recommended videos, "ytrec" keyword (requires authentication)'
1857 _VALID_URL
= r
'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
1858 _FEED_NAME
= 'recommended'
1859 _PLAYLIST_TITLE
= u
'Youtube Recommended videos'
1861 class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor
):
1862 IE_DESC
= u
'Youtube watch later list, "ytwatchlater" keyword (requires authentication)'
1863 _VALID_URL
= r
'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
1864 _FEED_NAME
= 'watch_later'
1865 _PLAYLIST_TITLE
= u
'Youtube Watch Later'
1866 _PERSONAL_FEED
= True
1868 class YoutubeHistoryIE(YoutubeFeedsInfoExtractor
):
1869 IE_DESC
= u
'Youtube watch history, "ythistory" keyword (requires authentication)'
1870 _VALID_URL
= u
'https?://www\.youtube\.com/feed/history|:ythistory'
1871 _FEED_NAME
= 'history'
1872 _PERSONAL_FEED
= True
1873 _PLAYLIST_TITLE
= u
'Youtube Watch History'
1875 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor
):
1876 IE_NAME
= u
'youtube:favorites'
1877 IE_DESC
= u
'YouTube.com favourite videos, "ytfav" keyword (requires authentication)'
1878 _VALID_URL
= r
'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
1879 _LOGIN_REQUIRED
= True
1881 def _real_extract(self
, url
):
1882 webpage
= self
._download
_webpage
('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1883 playlist_id
= self
._search
_regex
(r
'list=(.+?)["&]', webpage
, u
'favourites playlist id')
1884 return self
.url_result(playlist_id
, 'YoutubePlaylist')
1887 class YoutubeTruncatedURLIE(InfoExtractor
):
1888 IE_NAME
= 'youtube:truncated_url'
1889 IE_DESC
= False # Do not list
1890 _VALID_URL
= r
'''(?x)
1891 (?:https?://)?[^/]+/watch\?(?:feature=[a-z_]+)?$|
1892 (?:https?://)?(?:www\.)?youtube\.com/attribution_link\?a=[^&]+$
1895 def _real_extract(self
, url
):
1896 raise ExtractorError(
1897 u
'Did you forget to quote the URL? Remember that & is a meta '
1898 u
'character in most shells, so you want to put the URL in quotes, '
1900 u
'"http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
1901 u
' or simply youtube-dl BaW_jenozKc .',