14 import xml.etree.ElementTree
17 from .common import InfoExtractor, SearchInfoExtractor
18 from .subtitles import SubtitlesInfoExtractor
25 compat_urllib_request,
38 class YoutubeBaseInfoExtractor(InfoExtractor):
39 """Provide base functions for Youtube extractors"""
40 _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
41 _LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
42 _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
43 _NETRC_MACHINE = 'youtube'
44 # If True it will raise an error if no login info is provided
45 _LOGIN_REQUIRED = False
47 def report_lang(self):
48 """Report attempt to set language."""
49 self.to_screen(u'Setting language')
51 def _set_language(self):
52 request = compat_urllib_request.Request(self._LANG_URL)
55 compat_urllib_request.urlopen(request).read()
56 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
57 self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
62 (username, password) = self._get_login_info()
63 # No authentication to be performed
65 if self._LOGIN_REQUIRED:
66 raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
69 request = compat_urllib_request.Request(self._LOGIN_URL)
71 login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
72 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
73 self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
78 match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
81 match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
87 u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
91 u'PersistentCookie': u'yes',
93 u'bgresponse': u'js_disabled',
94 u'checkConnection': u'',
95 u'checkedDomains': u'youtube',
101 u'signIn': u'Sign in',
103 u'service': u'youtube',
107 # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
109 login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
110 login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
111 request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
114 login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
115 if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
116 self._downloader.report_warning(u'unable to log in: bad username or password')
118 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
119 self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
123 def _confirm_age(self):
126 'action_confirm': 'Confirm',
128 request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
130 self.report_age_confirmation()
131 compat_urllib_request.urlopen(request).read().decode('utf-8')
132 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
133 raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
136 def _real_initialize(self):
137 if self._downloader is None:
139 if not self._set_language():
141 if not self._login():
146 class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
147 IE_DESC = u'YouTube.com'
150 (?:https?://)? # http(s):// (optional)
151 (?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/|
152 tube\.majestyc\.net/|
153 youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains
154 (?:.*?\#/)? # handle anchor (#/) redirect urls
155 (?: # the various things that can precede the ID:
156 (?:(?:v|embed|e)/) # v/ or embed/ or e/
157 |(?: # or the v= param in all its forms
158 (?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
159 (?:\?|\#!?) # the params delimiter ? or # or #!
160 (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
164 |youtu\.be/ # just youtu.be/xxxx
166 )? # all until now is optional -> you can pass the naked ID
167 ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID
168 (?(1).+)? # if we found the ID, everything can follow
170 _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
171 # Listed in order of quality
172 _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13',
173 # Apple HTTP Live Streaming
174 '96', '95', '94', '93', '92', '132', '151',
176 '85', '84', '102', '83', '101', '82', '100',
178 '138', '137', '248', '136', '247', '135', '246',
179 '245', '244', '134', '243', '133', '242', '160',
181 '141', '172', '140', '171', '139',
183 _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13',
184 # Apple HTTP Live Streaming
185 '96', '95', '94', '93', '92', '132', '151',
187 '85', '102', '84', '101', '83', '100', '82',
189 '138', '248', '137', '247', '136', '246', '245',
190 '244', '135', '243', '134', '242', '133', '160',
192 '172', '141', '171', '140', '139',
194 _video_formats_map = {
195 'flv': ['35', '34', '6', '5'],
196 '3gp': ['36', '17', '13'],
197 'mp4': ['38', '37', '22', '18'],
198 'webm': ['46', '45', '44', '43'],
200 _video_extensions = {
222 # Apple HTTP Live Streaming
254 _video_dimensions = {
336 u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc",
337 u"file": u"BaW_jenozKc.mp4",
339 u"title": u"youtube-dl test video \"'/\\ä↭𝕐",
340 u"uploader": u"Philipp Hagemeister",
341 u"uploader_id": u"phihag",
342 u"upload_date": u"20121002",
343 u"description": u"test chars: \"'/\\ä↭𝕐\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de ."
347 u"url": u"http://www.youtube.com/watch?v=1ltcDfZMA3U",
348 u"file": u"1ltcDfZMA3U.flv",
349 u"note": u"Test VEVO video (#897)",
351 u"upload_date": u"20070518",
352 u"title": u"Maps - It Will Find You",
353 u"description": u"Music video by Maps performing It Will Find You.",
354 u"uploader": u"MuteUSA",
355 u"uploader_id": u"MuteUSA"
359 u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY",
360 u"file": u"UxxajLWwzqY.mp4",
361 u"note": u"Test generic use_cipher_signature video (#897)",
363 u"upload_date": u"20120506",
364 u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
365 u"description": u"md5:5b292926389560516e384ac437c0ec07",
366 u"uploader": u"Icona Pop",
367 u"uploader_id": u"IconaPop"
371 u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ",
372 u"file": u"07FYdnEawAQ.mp4",
373 u"note": u"Test VEVO video with age protection (#956)",
375 u"upload_date": u"20130703",
376 u"title": u"Justin Timberlake - Tunnel Vision (Explicit)",
377 u"description": u"md5:64249768eec3bc4276236606ea996373",
378 u"uploader": u"justintimberlakeVEVO",
379 u"uploader_id": u"justintimberlakeVEVO"
386 def suitable(cls, url):
387 """Receives a URL and returns True if suitable for this IE."""
388 if YoutubePlaylistIE.suitable(url): return False
389 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
391 def __init__(self, *args, **kwargs):
392 super(YoutubeIE, self).__init__(*args, **kwargs)
393 self._player_cache = {}
395 def report_video_webpage_download(self, video_id):
396 """Report attempt to download video webpage."""
397 self.to_screen(u'%s: Downloading video webpage' % video_id)
399 def report_video_info_webpage_download(self, video_id):
400 """Report attempt to download video info webpage."""
401 self.to_screen(u'%s: Downloading video info webpage' % video_id)
403 def report_information_extraction(self, video_id):
404 """Report attempt to extract video information."""
405 self.to_screen(u'%s: Extracting video information' % video_id)
407 def report_unavailable_format(self, video_id, format):
408 """Report extracted video URL."""
409 self.to_screen(u'%s: Format %s not available' % (video_id, format))
411 def report_rtmp_download(self):
412 """Indicate the download will use the RTMP protocol."""
413 self.to_screen(u'RTMP download detected')
415 def _extract_signature_function(self, video_id, player_url, slen):
416 id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$',
418 player_type = id_m.group('ext')
419 player_id = id_m.group('id')
421 # Read from filesystem cache
422 func_id = '%s_%s_%d' % (player_type, player_id, slen)
423 assert os.path.basename(func_id) == func_id
424 cache_dir = self._downloader.params.get('cachedir',
425 u'~/.youtube-dl/cache')
427 cache_enabled = cache_dir is not None
429 cache_fn = os.path.join(os.path.expanduser(cache_dir),
433 with io.open(cache_fn, 'r', encoding='utf-8') as cachef:
434 cache_spec = json.load(cachef)
435 return lambda s: u''.join(s[i] for i in cache_spec)
437 pass # No cache available
439 if player_type == 'js':
440 code = self._download_webpage(
441 player_url, video_id,
442 note=u'Downloading %s player %s' % (player_type, player_id),
443 errnote=u'Download of %s failed' % player_url)
444 res = self._parse_sig_js(code)
445 elif player_type == 'swf':
446 urlh = self._request_webpage(
447 player_url, video_id,
448 note=u'Downloading %s player %s' % (player_type, player_id),
449 errnote=u'Download of %s failed' % player_url)
451 res = self._parse_sig_swf(code)
453 assert False, 'Invalid player type %r' % player_type
457 test_string = u''.join(map(compat_chr, range(slen)))
458 cache_res = res(test_string)
459 cache_spec = [ord(c) for c in cache_res]
461 os.makedirs(os.path.dirname(cache_fn))
462 except OSError as ose:
463 if ose.errno != errno.EEXIST:
465 write_json_file(cache_spec, cache_fn)
467 tb = traceback.format_exc()
468 self._downloader.report_warning(
469 u'Writing cache to %r failed: %s' % (cache_fn, tb))
473 def _print_sig_code(self, func, slen):
474 def gen_sig_code(idxs):
475 def _genslice(start, end, step):
476 starts = u'' if start == 0 else str(start)
477 ends = (u':%d' % (end+step)) if end + step >= 0 else u':'
478 steps = u'' if step == 1 else (u':%d' % step)
479 return u's[%s%s%s]' % (starts, ends, steps)
482 start = '(Never used)' # Quelch pyflakes warnings - start will be
483 # set as soon as step is set
484 for i, prev in zip(idxs[1:], idxs[:-1]):
488 yield _genslice(start, prev, step)
491 if i - prev in [-1, 1]:
496 yield u's[%d]' % prev
500 yield _genslice(start, i, step)
502 test_string = u''.join(map(compat_chr, range(slen)))
503 cache_res = func(test_string)
504 cache_spec = [ord(c) for c in cache_res]
505 expr_code = u' + '.join(gen_sig_code(cache_spec))
506 code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code)
507 self.to_screen(u'Extracted signature function:\n' + code)
509 def _parse_sig_js(self, jscode):
510 funcname = self._search_regex(
511 r'signature=([a-zA-Z]+)', jscode,
512 u'Initial JS player signature function name')
517 return string.lowercase.index(varname)
519 def interpret_statement(stmt, local_vars, allow_recursion=20):
520 if allow_recursion < 0:
521 raise ExtractorError(u'Recursion limit reached')
523 if stmt.startswith(u'var '):
524 stmt = stmt[len(u'var '):]
525 ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
526 r'=(?P<expr>.*)$', stmt)
528 if ass_m.groupdict().get('index'):
530 lvar = local_vars[ass_m.group('out')]
531 idx = interpret_expression(ass_m.group('index'),
532 local_vars, allow_recursion)
533 assert isinstance(idx, int)
536 expr = ass_m.group('expr')
539 local_vars[ass_m.group('out')] = val
541 expr = ass_m.group('expr')
542 elif stmt.startswith(u'return '):
544 expr = stmt[len(u'return '):]
546 raise ExtractorError(
547 u'Cannot determine left side of statement in %r' % stmt)
549 v = interpret_expression(expr, local_vars, allow_recursion)
552 def interpret_expression(expr, local_vars, allow_recursion):
557 return local_vars[expr]
559 m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr)
561 member = m.group('member')
562 val = local_vars[m.group('in')]
563 if member == 'split("")':
565 if member == 'join("")':
567 if member == 'length':
569 if member == 'reverse()':
571 slice_m = re.match(r'slice\((?P<idx>.*)\)', member)
573 idx = interpret_expression(
574 slice_m.group('idx'), local_vars, allow_recursion-1)
578 r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr)
580 val = local_vars[m.group('in')]
581 idx = interpret_expression(m.group('idx'), local_vars,
585 m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr)
587 a = interpret_expression(m.group('a'),
588 local_vars, allow_recursion)
589 b = interpret_expression(m.group('b'),
590 local_vars, allow_recursion)
594 r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr)
596 fname = m.group('func')
597 if fname not in functions:
598 functions[fname] = extract_function(fname)
599 argvals = [int(v) if v.isdigit() else local_vars[v]
600 for v in m.group('args').split(',')]
601 return functions[fname](argvals)
602 raise ExtractorError(u'Unsupported JS expression %r' % expr)
604 def extract_function(funcname):
606 r'function ' + re.escape(funcname) +
607 r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
609 argnames = func_m.group('args').split(',')
612 local_vars = dict(zip(argnames, args))
613 for stmt in func_m.group('code').split(';'):
614 res = interpret_statement(stmt, local_vars)
618 initial_function = extract_function(funcname)
619 return lambda s: initial_function([s])
621 def _parse_sig_swf(self, file_contents):
622 if file_contents[1:3] != b'WS':
623 raise ExtractorError(
624 u'Not an SWF file; header is %r' % file_contents[:3])
625 if file_contents[:1] == b'C':
626 content = zlib.decompress(file_contents[8:])
628 raise NotImplementedError(u'Unsupported compression format %r' %
631 def extract_tags(content):
633 while pos < len(content):
634 header16 = struct.unpack('<H', content[pos:pos+2])[0]
636 tag_code = header16 >> 6
637 tag_len = header16 & 0x3f
639 tag_len = struct.unpack('<I', content[pos:pos+4])[0]
641 assert pos+tag_len <= len(content)
642 yield (tag_code, content[pos:pos+tag_len])
646 for tag_code, tag in extract_tags(content)
648 p = code_tag.index(b'\0', 4) + 1
649 code_reader = io.BytesIO(code_tag[p:])
651 # Parse ABC (AVM2 ByteCode)
652 def read_int(reader=None):
660 b = struct.unpack('<B', buf)[0]
661 res = res | ((b & 0x7f) << shift)
667 def u30(reader=None):
668 res = read_int(reader)
669 assert res & 0xf0000000 == 0
673 def s32(reader=None):
675 if v & 0x80000000 != 0:
676 v = - ((v ^ 0xffffffff) + 1)
679 def read_string(reader=None):
683 resb = reader.read(slen)
684 assert len(resb) == slen
685 return resb.decode('utf-8')
687 def read_bytes(count, reader=None):
690 resb = reader.read(count)
691 assert len(resb) == count
694 def read_byte(reader=None):
695 resb = read_bytes(1, reader=reader)
696 res = struct.unpack('<B', resb)[0]
699 # minor_version + major_version
704 for _c in range(1, int_count):
707 for _c in range(1, uint_count):
710 read_bytes((double_count-1) * 8)
712 constant_strings = [u'']
713 for _c in range(1, string_count):
715 constant_strings.append(s)
716 namespace_count = u30()
717 for _c in range(1, namespace_count):
721 for _c in range(1, ns_set_count):
723 for _c2 in range(count):
725 multiname_count = u30()
734 0x0e: 2, # MultinameA
735 0x1b: 1, # MultinameL
736 0x1c: 1, # MultinameLA
739 for _c in range(1, multiname_count):
741 assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind
743 u30() # namespace_idx
745 multinames.append(constant_strings[name_idx])
747 multinames.append('[MULTINAME kind: %d]' % kind)
748 for _c2 in range(MULTINAME_SIZES[kind]):
753 MethodInfo = collections.namedtuple(
755 ['NEED_ARGUMENTS', 'NEED_REST'])
757 for method_id in range(method_count):
760 for _ in range(param_count):
762 u30() # name index (always 0 for youtube)
764 if flags & 0x08 != 0:
767 for c in range(option_count):
770 if flags & 0x80 != 0:
771 # Param names present
772 for _ in range(param_count):
774 mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0)
775 method_infos.append(mi)
778 metadata_count = u30()
779 for _c in range(metadata_count):
782 for _c2 in range(item_count):
786 def parse_traits_info():
787 trait_name_idx = u30()
788 kind_full = read_byte()
789 kind = kind_full & 0x0f
790 attrs = kind_full >> 4
792 if kind in [0x00, 0x06]: # Slot or Const
794 u30() # type_name_idx
798 elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter
801 methods[multinames[trait_name_idx]] = method_idx
802 elif kind == 0x04: # Class
805 elif kind == 0x05: # Function
808 methods[function_idx] = multinames[trait_name_idx]
810 raise ExtractorError(u'Unsupported trait kind %d' % kind)
812 if attrs & 0x4 != 0: # Metadata present
813 metadata_count = u30()
814 for _c3 in range(metadata_count):
815 u30() # metadata index
820 TARGET_CLASSNAME = u'SignatureDecipher'
821 searched_idx = multinames.index(TARGET_CLASSNAME)
822 searched_class_id = None
824 for class_id in range(class_count):
826 if name_idx == searched_idx:
827 # We found the class we're looking for!
828 searched_class_id = class_id
829 u30() # super_name idx
831 if flags & 0x08 != 0: # Protected namespace is present
832 u30() # protected_ns_idx
834 for _c2 in range(intrf_count):
838 for _c2 in range(trait_count):
841 if searched_class_id is None:
842 raise ExtractorError(u'Target class %r not found' %
847 for class_id in range(class_count):
850 for _c2 in range(trait_count):
851 trait_methods = parse_traits_info()
852 if class_id == searched_class_id:
853 method_names.update(trait_methods.items())
854 method_idxs.update(dict(
856 for name, idx in trait_methods.items()))
860 for _c in range(script_count):
863 for _c2 in range(trait_count):
867 method_body_count = u30()
868 Method = collections.namedtuple('Method', ['code', 'local_count'])
870 for _c in range(method_body_count):
874 u30() # init_scope_depth
875 u30() # max_scope_depth
877 code = read_bytes(code_length)
878 if method_idx in method_idxs:
879 m = Method(code, local_count)
880 methods[method_idxs[method_idx]] = m
881 exception_count = u30()
882 for _c2 in range(exception_count):
889 for _c2 in range(trait_count):
892 assert p + code_reader.tell() == len(code_tag)
893 assert len(methods) == len(method_idxs)
895 method_pyfunctions = {}
897 def extract_function(func_name):
898 if func_name in method_pyfunctions:
899 return method_pyfunctions[func_name]
900 if func_name not in methods:
901 raise ExtractorError(u'Cannot find function %r' % func_name)
902 m = methods[func_name]
905 registers = ['(this)'] + list(args) + [None] * m.local_count
907 coder = io.BytesIO(m.code)
909 opcode = struct.unpack('!B', coder.read(1))[0]
910 if opcode == 36: # pushbyte
911 v = struct.unpack('!B', coder.read(1))[0]
913 elif opcode == 44: # pushstring
915 stack.append(constant_strings[idx])
916 elif opcode == 48: # pushscope
917 # We don't implement the scope register, so we'll just
918 # ignore the popped value
920 elif opcode == 70: # callproperty
922 mname = multinames[index]
923 arg_count = u30(coder)
924 args = list(reversed(
925 [stack.pop() for _ in range(arg_count)]))
927 if mname == u'split':
928 assert len(args) == 1
929 assert isinstance(args[0], compat_str)
930 assert isinstance(obj, compat_str)
934 res = obj.split(args[0])
936 elif mname == u'slice':
937 assert len(args) == 1
938 assert isinstance(args[0], int)
939 assert isinstance(obj, list)
942 elif mname == u'join':
943 assert len(args) == 1
944 assert isinstance(args[0], compat_str)
945 assert isinstance(obj, list)
946 res = args[0].join(obj)
948 elif mname in method_pyfunctions:
949 stack.append(method_pyfunctions[mname](args))
951 raise NotImplementedError(
952 u'Unsupported property %r on %r'
954 elif opcode == 72: # returnvalue
957 elif opcode == 79: # callpropvoid
959 mname = multinames[index]
960 arg_count = u30(coder)
961 args = list(reversed(
962 [stack.pop() for _ in range(arg_count)]))
964 if mname == u'reverse':
965 assert isinstance(obj, list)
968 raise NotImplementedError(
969 u'Unsupported (void) property %r on %r'
971 elif opcode == 93: # findpropstrict
973 mname = multinames[index]
974 res = extract_function(mname)
976 elif opcode == 97: # setproperty
981 assert isinstance(obj, list)
982 assert isinstance(idx, int)
984 elif opcode == 98: # getlocal
986 stack.append(registers[index])
987 elif opcode == 99: # setlocal
990 registers[index] = value
991 elif opcode == 102: # getproperty
993 pname = multinames[index]
994 if pname == u'length':
996 assert isinstance(obj, list)
997 stack.append(len(obj))
998 else: # Assume attribute access
1000 assert isinstance(idx, int)
1002 assert isinstance(obj, list)
1003 stack.append(obj[idx])
1004 elif opcode == 128: # coerce
1006 elif opcode == 133: # coerce_s
1007 assert isinstance(stack[-1], (type(None), compat_str))
1008 elif opcode == 164: # modulo
1009 value2 = stack.pop()
1010 value1 = stack.pop()
1011 res = value1 % value2
1013 elif opcode == 208: # getlocal_0
1014 stack.append(registers[0])
1015 elif opcode == 209: # getlocal_1
1016 stack.append(registers[1])
1017 elif opcode == 210: # getlocal_2
1018 stack.append(registers[2])
1019 elif opcode == 211: # getlocal_3
1020 stack.append(registers[3])
1021 elif opcode == 214: # setlocal_2
1022 registers[2] = stack.pop()
1023 elif opcode == 215: # setlocal_3
1024 registers[3] = stack.pop()
1026 raise NotImplementedError(
1027 u'Unsupported opcode %d' % opcode)
1029 method_pyfunctions[func_name] = resfunc
1032 initial_function = extract_function(u'decipher')
1033 return lambda s: initial_function([s])
1035 def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
1036 """Turn the encrypted s field into a working signature"""
1038 if player_url is not None:
1040 if player_url not in self._player_cache:
1041 func = self._extract_signature_function(
1042 video_id, player_url, len(s)
1044 self._player_cache[player_url] = func
1045 func = self._player_cache[player_url]
1046 if self._downloader.params.get('youtube_print_sig_code'):
1047 self._print_sig_code(func, len(s))
1050 tb = traceback.format_exc()
1051 self._downloader.report_warning(
1052 u'Automatic signature extraction failed: ' + tb)
1054 self._downloader.report_warning(
1055 u'Warning: Falling back to static signature algorithm')
1057 return self._static_decrypt_signature(
1058 s, video_id, player_url, age_gate)
1060 def _static_decrypt_signature(self, s, video_id, player_url, age_gate):
1062 # The videos with age protection use another player, so the
1063 # algorithms can be different.
1065 return s[2:63] + s[82] + s[64:82] + s[63]
1068 return s[86:29:-1] + s[88] + s[28:5:-1]
1070 return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
1072 return s[84:27:-1] + s[86] + s[26:5:-1]
1074 return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
1076 return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1]
1078 return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28]
1080 return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
1082 return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1]
1084 return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84]
1086 return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1]
1088 return s[80:63:-1] + s[0] + s[62:0:-1] + s[63]
1090 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]
1092 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]
1094 return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80]
1096 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]
1099 raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
1101 def _get_available_subtitles(self, video_id):
1103 sub_list = self._download_webpage(
1104 'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
1105 video_id, note=False)
1106 except ExtractorError as err:
1107 self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
1109 lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
1114 params = compat_urllib_parse.urlencode({
1117 'fmt': self._downloader.params.get('subtitlesformat'),
1119 url = u'http://www.youtube.com/api/timedtext?' + params
1120 sub_lang_list[lang] = url
1121 if not sub_lang_list:
1122 self._downloader.report_warning(u'video doesn\'t have subtitles')
1124 return sub_lang_list
1126 def _get_available_automatic_caption(self, video_id, webpage):
1127 """We need the webpage for getting the captions url, pass it as an
1128 argument to speed up the process."""
1129 sub_format = self._downloader.params.get('subtitlesformat')
1130 self.to_screen(u'%s: Looking for automatic captions' % video_id)
1131 mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
1132 err_msg = u'Couldn\'t find automatic captions for %s' % video_id
1134 self._downloader.report_warning(err_msg)
1136 player_config = json.loads(mobj.group(1))
1138 args = player_config[u'args']
1139 caption_url = args[u'ttsurl']
1140 timestamp = args[u'timestamp']
1141 # We get the available subtitles
1142 list_params = compat_urllib_parse.urlencode({
1147 list_url = caption_url + '&' + list_params
1148 list_page = self._download_webpage(list_url, video_id)
1149 caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8'))
1150 original_lang_node = caption_list.find('track')
1151 if original_lang_node.attrib.get('kind') != 'asr' :
1152 self._downloader.report_warning(u'Video doesn\'t have automatic captions')
1154 original_lang = original_lang_node.attrib['lang_code']
1157 for lang_node in caption_list.findall('target'):
1158 sub_lang = lang_node.attrib['lang_code']
1159 params = compat_urllib_parse.urlencode({
1160 'lang': original_lang,
1166 sub_lang_list[sub_lang] = caption_url + '&' + params
1167 return sub_lang_list
1168 # An extractor error can be raise by the download process if there are
1169 # no automatic captions but there are subtitles
1170 except (KeyError, ExtractorError):
1171 self._downloader.report_warning(err_msg)
1174 def _print_formats(self, formats):
1175 print('Available formats:')
1177 print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'),
1178 self._video_dimensions.get(x, '???'),
1179 ' ('+self._special_itags[x]+')' if x in self._special_itags else ''))
1181 def _extract_id(self, url):
1182 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1184 raise ExtractorError(u'Invalid URL: %s' % url)
1185 video_id = mobj.group(2)
1188 def _get_video_url_list(self, url_map):
1190 Transform a dictionary in the format {itag:url} to a list of (itag, url)
1191 with the requested formats.
1193 req_format = self._downloader.params.get('format', None)
1194 format_limit = self._downloader.params.get('format_limit', None)
1195 available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
1196 if format_limit is not None and format_limit in available_formats:
1197 format_list = available_formats[available_formats.index(format_limit):]
1199 format_list = available_formats
1200 existing_formats = [x for x in format_list if x in url_map]
1201 if len(existing_formats) == 0:
1202 raise ExtractorError(u'no known formats available for video')
1203 if self._downloader.params.get('listformats', None):
1204 self._print_formats(existing_formats)
1206 if req_format is None or req_format == 'best':
1207 video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
1208 elif req_format == 'worst':
1209 video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality
1210 elif req_format in ('-1', 'all'):
1211 video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
1213 # Specific formats. We pick the first in a slash-delimeted sequence.
1214 # Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality
1215 # available in the specified format. For example,
1216 # if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
1217 # if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'.
1218 # if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'.
1219 req_formats = req_format.split('/')
1220 video_url_list = None
1221 for rf in req_formats:
1223 video_url_list = [(rf, url_map[rf])]
1225 if rf in self._video_formats_map:
1226 for srf in self._video_formats_map[rf]:
1228 video_url_list = [(srf, url_map[srf])]
1233 if video_url_list is None:
1234 raise ExtractorError(u'requested format not available')
1235 return video_url_list
1237 def _extract_from_m3u8(self, manifest_url, video_id):
1239 def _get_urls(_manifest):
1240 lines = _manifest.split('\n')
1241 urls = filter(lambda l: l and not l.startswith('#'),
1244 manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest')
1245 formats_urls = _get_urls(manifest)
1246 for format_url in formats_urls:
1247 itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
1248 url_map[itag] = format_url
1251 def _real_extract(self, url):
1252 if re.match(r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$', url):
1253 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 ).')
1255 # Extract original video URL from URL with redirection, like age verification, using next_url parameter
1256 mobj = re.search(self._NEXT_URL_RE, url)
1258 url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
1259 video_id = self._extract_id(url)
1262 self.report_video_webpage_download(video_id)
1263 url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
1264 request = compat_urllib_request.Request(url)
1266 video_webpage_bytes = compat_urllib_request.urlopen(request).read()
1267 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
1268 raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err))
1270 video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
1272 # Attempt to extract SWF player URL
1273 mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
1274 if mobj is not None:
1275 player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
1280 self.report_video_info_webpage_download(video_id)
1281 if re.search(r'player-age-gate-content">', video_webpage) is not None:
1282 self.report_age_confirmation()
1284 # We simulate the access to the video from www.youtube.com/v/{video_id}
1285 # this can be viewed without login into Youtube
1286 data = compat_urllib_parse.urlencode({'video_id': video_id,
1290 'eurl': 'https://youtube.googleapis.com/v/' + video_id,
1294 video_info_url = 'https://www.youtube.com/get_video_info?' + data
1295 video_info_webpage = self._download_webpage(video_info_url, video_id,
1297 errnote='unable to download video info webpage')
1298 video_info = compat_parse_qs(video_info_webpage)
1301 for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
1302 video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
1303 % (video_id, el_type))
1304 video_info_webpage = self._download_webpage(video_info_url, video_id,
1306 errnote='unable to download video info webpage')
1307 video_info = compat_parse_qs(video_info_webpage)
1308 if 'token' in video_info:
1310 if 'token' not in video_info:
1311 if 'reason' in video_info:
1312 raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True)
1314 raise ExtractorError(u'"token" parameter not in video info for unknown reason')
1316 # Check for "rental" videos
1317 if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
1318 raise ExtractorError(u'"rental" videos not supported')
1320 # Start extracting information
1321 self.report_information_extraction(video_id)
1324 if 'author' not in video_info:
1325 raise ExtractorError(u'Unable to extract uploader name')
1326 video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
1329 video_uploader_id = None
1330 mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
1331 if mobj is not None:
1332 video_uploader_id = mobj.group(1)
1334 self._downloader.report_warning(u'unable to extract uploader nickname')
1337 if 'title' not in video_info:
1338 raise ExtractorError(u'Unable to extract video title')
1339 video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
1342 # We try first to get a high quality image:
1343 m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
1344 video_webpage, re.DOTALL)
1345 if m_thumb is not None:
1346 video_thumbnail = m_thumb.group(1)
1347 elif 'thumbnail_url' not in video_info:
1348 self._downloader.report_warning(u'unable to extract video thumbnail')
1349 video_thumbnail = None
1350 else: # don't panic if we can't find it
1351 video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
1355 mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
1356 if mobj is not None:
1357 upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
1358 upload_date = unified_strdate(upload_date)
1361 video_description = get_element_by_id("eow-description", video_webpage)
1362 if video_description:
1363 video_description = clean_html(video_description)
1365 fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
1367 video_description = unescapeHTML(fd_mobj.group(1))
1369 video_description = u''
1372 video_subtitles = self.extract_subtitles(video_id, video_webpage)
1374 if self._downloader.params.get('listsubtitles', False):
1375 self._list_available_subtitles(video_id, video_webpage)
1378 if 'length_seconds' not in video_info:
1379 self._downloader.report_warning(u'unable to extract video duration')
1382 video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
1384 # Decide which formats to download
1387 mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
1389 raise ValueError('Could not find vevo ID')
1390 info = json.loads(mobj.group(1))
1392 # Easy way to know if the 's' value is in url_encoded_fmt_stream_map
1393 # this signatures are encrypted
1394 m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map'])
1396 self.to_screen(u'%s: Encrypted signatures detected.' % video_id)
1397 video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
1398 m_s = re.search(r'[&,]s=', args.get('adaptive_fmts', u''))
1400 if 'url_encoded_fmt_stream_map' in video_info:
1401 video_info['url_encoded_fmt_stream_map'][0] += ',' + args['adaptive_fmts']
1403 video_info['url_encoded_fmt_stream_map'] = [args['adaptive_fmts']]
1404 elif 'adaptive_fmts' in video_info:
1405 if 'url_encoded_fmt_stream_map' in video_info:
1406 video_info['url_encoded_fmt_stream_map'][0] += ',' + video_info['adaptive_fmts'][0]
1408 video_info['url_encoded_fmt_stream_map'] = video_info['adaptive_fmts']
1412 if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
1413 self.report_rtmp_download()
1414 video_url_list = [(None, video_info['conn'][0])]
1415 elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
1416 if 'rtmpe%3Dyes' in video_info['url_encoded_fmt_stream_map'][0]:
1417 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
1419 for url_data_str in video_info['url_encoded_fmt_stream_map'][0].split(','):
1420 url_data = compat_parse_qs(url_data_str)
1421 if 'itag' in url_data and 'url' in url_data:
1422 url = url_data['url'][0]
1423 if 'sig' in url_data:
1424 url += '&signature=' + url_data['sig'][0]
1425 elif 's' in url_data:
1426 encrypted_sig = url_data['s'][0]
1427 if self._downloader.params.get('verbose'):
1429 if player_url is None:
1430 player_version = 'unknown'
1432 player_version = self._search_regex(
1433 r'-(.+)\.swf$', player_url,
1434 u'flash player', fatal=False)
1435 player_desc = 'flash player %s' % player_version
1437 player_version = self._search_regex(
1438 r'html5player-(.+?)\.js', video_webpage,
1439 'html5 player', fatal=False)
1440 player_desc = u'html5 player %s' % player_version
1442 parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.'))
1443 self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
1444 (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
1447 jsplayer_url_json = self._search_regex(
1448 r'"assets":.+?"js":\s*("[^"]+")',
1449 video_webpage, u'JS player URL')
1450 player_url = json.loads(jsplayer_url_json)
1452 signature = self._decrypt_signature(
1453 encrypted_sig, video_id, player_url, age_gate)
1454 url += '&signature=' + signature
1455 if 'ratebypass' not in url:
1456 url += '&ratebypass=yes'
1457 url_map[url_data['itag'][0]] = url
1458 video_url_list = self._get_video_url_list(url_map)
1459 if not video_url_list:
1461 elif video_info.get('hlsvp'):
1462 manifest_url = video_info['hlsvp'][0]
1463 url_map = self._extract_from_m3u8(manifest_url, video_id)
1464 video_url_list = self._get_video_url_list(url_map)
1465 if not video_url_list:
1469 raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
1472 for format_param, video_real_url in video_url_list:
1474 video_extension = self._video_extensions.get(format_param, 'flv')
1476 video_format = '{0} - {1}{2}'.format(format_param if format_param else video_extension,
1477 self._video_dimensions.get(format_param, '???'),
1478 ' ('+self._special_itags[format_param]+')' if format_param in self._special_itags else '')
1482 'url': video_real_url,
1483 'uploader': video_uploader,
1484 'uploader_id': video_uploader_id,
1485 'upload_date': upload_date,
1486 'title': video_title,
1487 'ext': video_extension,
1488 'format': video_format,
1489 'thumbnail': video_thumbnail,
1490 'description': video_description,
1491 'player_url': player_url,
1492 'subtitles': video_subtitles,
1493 'duration': video_duration
1497 class YoutubePlaylistIE(InfoExtractor):
1498 IE_DESC = u'YouTube.com playlists'
1499 _VALID_URL = r"""(?:
1504 (?:course|view_play_list|my_playlists|artist|playlist|watch)
1505 \? (?:.*?&)*? (?:p|a|list)=
1508 ((?:PL|EC|UU|FL)?[0-9A-Za-z-_]{10,})
1511 ((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,})
1513 _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
1515 IE_NAME = u'youtube:playlist'
1518 def suitable(cls, url):
1519 """Receives a URL and returns True if suitable for this IE."""
1520 return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
1522 def _real_extract(self, url):
1523 # Extract playlist id
1524 mobj = re.match(self._VALID_URL, url, re.VERBOSE)
1526 raise ExtractorError(u'Invalid URL: %s' % url)
1527 playlist_id = mobj.group(1) or mobj.group(2)
1529 # Check if it's a video-specific URL
1530 query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
1531 if 'v' in query_dict:
1532 video_id = query_dict['v'][0]
1533 if self._downloader.params.get('noplaylist'):
1534 self.to_screen(u'Downloading just video %s because of --no-playlist' % video_id)
1535 return self.url_result('https://www.youtube.com/watch?v=' + video_id, 'Youtube')
1537 self.to_screen(u'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id, video_id))
1539 # Download playlist videos from API
1542 for page_num in itertools.count(1):
1543 start_index = self._MAX_RESULTS * (page_num - 1) + 1
1544 if start_index >= 1000:
1545 self._downloader.report_warning(u'Max number of results reached')
1547 url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index)
1548 page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
1551 response = json.loads(page)
1552 except ValueError as err:
1553 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
1555 if 'feed' not in response:
1556 raise ExtractorError(u'Got a malformed response from YouTube API')
1557 playlist_title = response['feed']['title']['$t']
1558 if 'entry' not in response['feed']:
1559 # Number of videos is a multiple of self._MAX_RESULTS
1562 for entry in response['feed']['entry']:
1563 index = entry['yt$position']['$t']
1564 if 'media$group' in entry and 'yt$videoid' in entry['media$group']:
1567 'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t']
1570 videos = [v[1] for v in sorted(videos)]
1572 url_results = [self.url_result(vurl, 'Youtube') for vurl in videos]
1573 return [self.playlist_result(url_results, playlist_id, playlist_title)]
1576 class YoutubeChannelIE(InfoExtractor):
1577 IE_DESC = u'YouTube.com channels'
1578 _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
1579 _TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
1580 _MORE_PAGES_INDICATOR = 'yt-uix-load-more'
1581 _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'
1582 IE_NAME = u'youtube:channel'
1584 def extract_videos_from_page(self, page):
1586 for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
1587 if mobj.group(1) not in ids_in_page:
1588 ids_in_page.append(mobj.group(1))
1591 def _real_extract(self, url):
1592 # Extract channel id
1593 mobj = re.match(self._VALID_URL, url)
1595 raise ExtractorError(u'Invalid URL: %s' % url)
1597 # Download channel page
1598 channel_id = mobj.group(1)
1602 url = self._TEMPLATE_URL % (channel_id, pagenum)
1603 page = self._download_webpage(url, channel_id,
1604 u'Downloading page #%s' % pagenum)
1606 # Extract video identifiers
1607 ids_in_page = self.extract_videos_from_page(page)
1608 video_ids.extend(ids_in_page)
1610 # Download any subsequent channel pages using the json-based channel_ajax query
1611 if self._MORE_PAGES_INDICATOR in page:
1612 for pagenum in itertools.count(1):
1613 url = self._MORE_PAGES_URL % (pagenum, channel_id)
1614 page = self._download_webpage(url, channel_id,
1615 u'Downloading page #%s' % pagenum)
1617 page = json.loads(page)
1619 ids_in_page = self.extract_videos_from_page(page['content_html'])
1620 video_ids.extend(ids_in_page)
1622 if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
1625 self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
1627 urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
1628 url_entries = [self.url_result(eurl, 'Youtube') for eurl in urls]
1629 return [self.playlist_result(url_entries, channel_id)]
1632 class YoutubeUserIE(InfoExtractor):
1633 IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)'
1634 _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?)|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
1635 _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
1636 _GDATA_PAGE_SIZE = 50
1637 _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
1638 IE_NAME = u'youtube:user'
1641 def suitable(cls, url):
1642 # Don't return True if the url can be extracted with other youtube
1643 # extractor, the regex would is too permissive and it would match.
1644 other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
1645 if any(ie.suitable(url) for ie in other_ies): return False
1646 else: return super(YoutubeUserIE, cls).suitable(url)
1648 def _real_extract(self, url):
1650 mobj = re.match(self._VALID_URL, url)
1652 raise ExtractorError(u'Invalid URL: %s' % url)
1654 username = mobj.group(1)
1656 # Download video ids using YouTube Data API. Result size per
1657 # query is limited (currently to 50 videos) so we need to query
1658 # page by page until there are no video ids - it means we got
1663 for pagenum in itertools.count(0):
1664 start_index = pagenum * self._GDATA_PAGE_SIZE + 1
1666 gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
1667 page = self._download_webpage(gdata_url, username,
1668 u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
1671 response = json.loads(page)
1672 except ValueError as err:
1673 raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
1674 if 'entry' not in response['feed']:
1675 # Number of videos is a multiple of self._MAX_RESULTS
1678 # Extract video identifiers
1680 for entry in response['feed']['entry']:
1681 ids_in_page.append(entry['id']['$t'].split('/')[-1])
1682 video_ids.extend(ids_in_page)
1684 # A little optimization - if current page is not
1685 # "full", ie. does not contain PAGE_SIZE video ids then
1686 # we can assume that this page is the last one - there
1687 # are no more ids on further pages - no need to query
1690 if len(ids_in_page) < self._GDATA_PAGE_SIZE:
1693 urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
1694 url_results = [self.url_result(rurl, 'Youtube') for rurl in urls]
1695 return [self.playlist_result(url_results, playlist_title = username)]
1697 class YoutubeSearchIE(SearchInfoExtractor):
1698 IE_DESC = u'YouTube.com searches'
1699 _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
1701 IE_NAME = u'youtube:search'
1702 _SEARCH_KEY = 'ytsearch'
1704 def report_download_page(self, query, pagenum):
1705 """Report attempt to download search page with given number."""
1706 self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
1708 def _get_n_results(self, query, n):
1709 """Get a specified number of results for a query"""
1715 while (50 * pagenum) < limit:
1716 self.report_download_page(query, pagenum+1)
1717 result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1)
1718 request = compat_urllib_request.Request(result_url)
1720 data = compat_urllib_request.urlopen(request).read().decode('utf-8')
1721 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
1722 raise ExtractorError(u'Unable to download API page: %s' % compat_str(err))
1723 api_response = json.loads(data)['data']
1725 if not 'items' in api_response:
1726 raise ExtractorError(u'[youtube] No video results')
1728 new_ids = list(video['id'] for video in api_response['items'])
1729 video_ids += new_ids
1731 limit = min(n, api_response['totalItems'])
1734 if len(video_ids) > n:
1735 video_ids = video_ids[:n]
1736 videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
1737 return self.playlist_result(videos, query)
1740 class YoutubeShowIE(InfoExtractor):
1741 IE_DESC = u'YouTube.com (multi-season) shows'
1742 _VALID_URL = r'https?://www\.youtube\.com/show/(.*)'
1743 IE_NAME = u'youtube:show'
1745 def _real_extract(self, url):
1746 mobj = re.match(self._VALID_URL, url)
1747 show_name = mobj.group(1)
1748 webpage = self._download_webpage(url, show_name, u'Downloading show webpage')
1749 # There's one playlist for each season of the show
1750 m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
1751 self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons)))
1752 return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
1755 class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
1757 Base class for extractors that fetch info from
1758 http://www.youtube.com/feed_ajax
1759 Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
1761 _LOGIN_REQUIRED = True
1763 # use action_load_personal_feed instead of action_load_system_feed
1764 _PERSONAL_FEED = False
1767 def _FEED_TEMPLATE(self):
1768 action = 'action_load_system_feed'
1769 if self._PERSONAL_FEED:
1770 action = 'action_load_personal_feed'
1771 return 'http://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
1775 return u'youtube:%s' % self._FEED_NAME
1777 def _real_initialize(self):
1780 def _real_extract(self, url):
1782 # The step argument is available only in 2.7 or higher
1783 for i in itertools.count(0):
1784 paging = i*self._PAGING_STEP
1785 info = self._download_webpage(self._FEED_TEMPLATE % paging,
1786 u'%s feed' % self._FEED_NAME,
1787 u'Downloading page %s' % i)
1788 info = json.loads(info)
1789 feed_html = info['feed_html']
1790 m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
1791 ids = orderedSet(m.group(1) for m in m_ids)
1792 feed_entries.extend(self.url_result(id, 'Youtube') for id in ids)
1793 if info['paging'] is None:
1795 return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
1797 class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
1798 IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
1799 _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
1800 _FEED_NAME = 'subscriptions'
1801 _PLAYLIST_TITLE = u'Youtube Subscriptions'
1803 class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
1804 IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)'
1805 _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
1806 _FEED_NAME = 'recommended'
1807 _PLAYLIST_TITLE = u'Youtube Recommended videos'
1809 class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor):
1810 IE_DESC = u'Youtube watch later list, "ytwatchlater" keyword (requires authentication)'
1811 _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
1812 _FEED_NAME = 'watch_later'
1813 _PLAYLIST_TITLE = u'Youtube Watch Later'
1815 _PERSONAL_FEED = True
1817 class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
1818 IE_NAME = u'youtube:favorites'
1819 IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)'
1820 _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
1821 _LOGIN_REQUIRED = True
1823 def _real_extract(self, url):
1824 webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
1825 playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id')
1826 return self.url_result(playlist_id, 'YoutubePlaylist')