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# coding: utf-8
import collectionsimport errnoimport ioimport itertoolsimport jsonimport os.pathimport reimport structimport tracebackimport zlib
from .common import InfoExtractor, SearchInfoExtractorfrom .subtitles import SubtitlesInfoExtractorfrom ..jsinterp import JSInterpreterfrom ..utils import ( compat_chr, compat_parse_qs, compat_urllib_parse, compat_urllib_request, compat_urlparse, compat_str,
clean_html, get_cachedir, get_element_by_id, get_element_by_attribute, ExtractorError, int_or_none, PagedList, unescapeHTML, unified_strdate, orderedSet, write_json_file, uppercase_escape,)
class YoutubeBaseInfoExtractor(InfoExtractor): """Provide base functions for Youtube extractors""" _LOGIN_URL = 'https://accounts.google.com/ServiceLogin' _LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1' _AGE_URL = 'https://www.youtube.com/verify_age?next_url=/&gl=US&hl=en' _NETRC_MACHINE = 'youtube' # If True it will raise an error if no login info is provided _LOGIN_REQUIRED = False
def _set_language(self): return bool(self._download_webpage( self._LANG_URL, None, note=u'Setting language', errnote='unable to set language', fatal=False))
def _login(self): (username, password) = self._get_login_info() # No authentication to be performed if username is None: if self._LOGIN_REQUIRED: raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True) return False
login_page = self._download_webpage( self._LOGIN_URL, None, note=u'Downloading login page', errnote=u'unable to fetch login page', fatal=False) if login_page is False: return
galx = self._search_regex(r'(?s)<input.+?name="GALX".+?value="(.+?)"', login_page, u'Login GALX parameter')
# Log in login_form_strs = { u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1', u'Email': username, u'GALX': galx, u'Passwd': password, u'PersistentCookie': u'yes', u'_utf8': u'霱', u'bgresponse': u'js_disabled', u'checkConnection': u'', u'checkedDomains': u'youtube', u'dnConn': u'', u'pstMsg': u'0', u'rmShown': u'1', u'secTok': u'', u'signIn': u'Sign in', u'timeStmp': u'', u'service': u'youtube', u'uilel': u'3', u'hl': u'en_US', } # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode # chokes on unicode login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items()) login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
req = compat_urllib_request.Request(self._LOGIN_URL, login_data) login_results = self._download_webpage( req, None, note=u'Logging in', errnote=u'unable to log in', fatal=False) if login_results is False: return False if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None: self._downloader.report_warning(u'unable to log in: bad username or password') return False return True
def _confirm_age(self): age_form = { 'next_url': '/', 'action_confirm': 'Confirm', } req = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form).encode('ascii'))
self._download_webpage( req, None, note=u'Confirming age', errnote=u'Unable to confirm age') return True
def _real_initialize(self): if self._downloader is None: return if not self._set_language(): return if not self._login(): return self._confirm_age()
class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): IE_DESC = u'YouTube.com' _VALID_URL = r"""(?x)^
( (?:https?://|//)? # http(s):// or protocol-independent URL (optional) (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/| (?:www\.)?deturl\.com/www\.youtube\.com/| (?:www\.)?pwnyoutube\.com/| (?:www\.)?yourepeat\.com/| tube\.majestyc\.net/| youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains (?:.*?\#/)? # handle anchor (#/) redirect urls (?: # the various things that can precede the ID: (?:(?:v|embed|e)/) # v/ or embed/ or e/ |(?: # or the v= param in all its forms (?:(?:watch|movie)(?:_popup)?(?:\.php)?/?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx) (?:\?|\#!?) # the params delimiter ? or # or #! (?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx) v= ) )) |youtu\.be/ # just youtu.be/xxxx |https?://(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId= ) )? # all until now is optional -> you can pass the naked ID ([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID (?(1).+)? # if we found the ID, everything can follow $"""
_NEXT_URL_RE = r'[\?&]next_url=([^&]+)' _formats = { '5': {'ext': 'flv', 'width': 400, 'height': 240}, '6': {'ext': 'flv', 'width': 450, 'height': 270}, '13': {'ext': '3gp'}, '17': {'ext': '3gp', 'width': 176, 'height': 144}, '18': {'ext': 'mp4', 'width': 640, 'height': 360}, '22': {'ext': 'mp4', 'width': 1280, 'height': 720}, '34': {'ext': 'flv', 'width': 640, 'height': 360}, '35': {'ext': 'flv', 'width': 854, 'height': 480}, '36': {'ext': '3gp', 'width': 320, 'height': 240}, '37': {'ext': 'mp4', 'width': 1920, 'height': 1080}, '38': {'ext': 'mp4', 'width': 4096, 'height': 3072}, '43': {'ext': 'webm', 'width': 640, 'height': 360}, '44': {'ext': 'webm', 'width': 854, 'height': 480}, '45': {'ext': 'webm', 'width': 1280, 'height': 720}, '46': {'ext': 'webm', 'width': 1920, 'height': 1080},
# 3d videos '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'preference': -20}, '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'preference': -20}, '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'preference': -20}, '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'preference': -20}, '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'preference': -20}, '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'preference': -20}, '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'preference': -20},
# Apple HTTP Live Streaming '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'preference': -10}, '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'preference': -10}, '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'preference': -10}, '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'preference': -10}, '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'preference': -10}, '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'preference': -10}, '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'preference': -10},
# DASH mp4 video '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '138': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
# Dash mp4 audio '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 48, 'preference': -50}, '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 128, 'preference': -50}, '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 256, 'preference': -50},
# Dash webm '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40}, '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40}, '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40}, '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40}, '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40}, '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40}, '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40}, '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
# Dash webm audio '171': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'abr': 48, 'preference': -50}, '172': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'abr': 256, 'preference': -50},
# RTMP (unnamed) '_rtmp': {'protocol': 'rtmp'}, }
IE_NAME = u'youtube' _TESTS = [ { u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc", u"file": u"BaW_jenozKc.mp4", u"info_dict": { u"title": u"youtube-dl test video \"'/\\ä↭𝕐", u"uploader": u"Philipp Hagemeister", u"uploader_id": u"phihag", u"upload_date": u"20121002", 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 .", u"categories": [u'Science & Technology'], } }, { u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY", u"file": u"UxxajLWwzqY.mp4", u"note": u"Test generic use_cipher_signature video (#897)", u"info_dict": { u"upload_date": u"20120506", u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]", u"description": u"md5:fea86fda2d5a5784273df5c7cc994d9f", u"uploader": u"Icona Pop", u"uploader_id": u"IconaPop" } }, { u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ", u"file": u"07FYdnEawAQ.mp4", u"note": u"Test VEVO video with age protection (#956)", u"info_dict": { u"upload_date": u"20130703", u"title": u"Justin Timberlake - Tunnel Vision (Explicit)", u"description": u"md5:64249768eec3bc4276236606ea996373", u"uploader": u"justintimberlakeVEVO", u"uploader_id": u"justintimberlakeVEVO" } }, { u"url": u"//www.YouTube.com/watch?v=yZIXLfi8CZQ", u"file": u"yZIXLfi8CZQ.mp4", u"note": u"Embed-only video (#1746)", u"info_dict": { u"upload_date": u"20120608", u"title": u"Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012", u"description": u"md5:09b78bd971f1e3e289601dfba15ca4f7", u"uploader": u"SET India", u"uploader_id": u"setindia" } }, { u"url": u"http://www.youtube.com/watch?v=a9LDPn-MO4I", u"file": u"a9LDPn-MO4I.m4a", u"note": u"256k DASH audio (format 141) via DASH manifest", u"info_dict": { u"upload_date": "20121002", u"uploader_id": "8KVIDEO", u"description": "No description available.", u"uploader": "8KVIDEO", u"title": "UHDTV TEST 8K VIDEO.mp4" }, u"params": { u"youtube_include_dash_manifest": True, u"format": "141", }, }, # DASH manifest with encrypted signature { u'url': u'https://www.youtube.com/watch?v=IB3lcPjvWLA', u'info_dict': { u'id': u'IB3lcPjvWLA', u'ext': u'm4a', u'title': u'Afrojack - The Spark ft. Spree Wilson', u'description': u'md5:9717375db5a9a3992be4668bbf3bc0a8', u'uploader': u'AfrojackVEVO', u'uploader_id': u'AfrojackVEVO', u'upload_date': u'20131011', }, u"params": { u'youtube_include_dash_manifest': True, u'format': '141', }, }, ]
@classmethod def suitable(cls, url): """Receives a URL and returns True if suitable for this IE.""" if YoutubePlaylistIE.suitable(url): return False return re.match(cls._VALID_URL, url) is not None
def __init__(self, *args, **kwargs): super(YoutubeIE, self).__init__(*args, **kwargs) self._player_cache = {}
def report_video_info_webpage_download(self, video_id): """Report attempt to download video info webpage.""" self.to_screen(u'%s: Downloading video info webpage' % video_id)
def report_information_extraction(self, video_id): """Report attempt to extract video information.""" self.to_screen(u'%s: Extracting video information' % video_id)
def report_unavailable_format(self, video_id, format): """Report extracted video URL.""" self.to_screen(u'%s: Format %s not available' % (video_id, format))
def report_rtmp_download(self): """Indicate the download will use the RTMP protocol.""" self.to_screen(u'RTMP download detected')
def _extract_signature_function(self, video_id, player_url, slen): id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$', player_url) player_type = id_m.group('ext') player_id = id_m.group('id')
# Read from filesystem cache func_id = '%s_%s_%d' % (player_type, player_id, slen) assert os.path.basename(func_id) == func_id cache_dir = get_cachedir(self._downloader.params)
cache_enabled = cache_dir is not None if cache_enabled: cache_fn = os.path.join(os.path.expanduser(cache_dir), u'youtube-sigfuncs', func_id + '.json') try: with io.open(cache_fn, 'r', encoding='utf-8') as cachef: cache_spec = json.load(cachef) return lambda s: u''.join(s[i] for i in cache_spec) except IOError: pass # No cache available
if player_type == 'js': code = self._download_webpage( player_url, video_id, note=u'Downloading %s player %s' % (player_type, player_id), errnote=u'Download of %s failed' % player_url) res = self._parse_sig_js(code) elif player_type == 'swf': urlh = self._request_webpage( player_url, video_id, note=u'Downloading %s player %s' % (player_type, player_id), errnote=u'Download of %s failed' % player_url) code = urlh.read() res = self._parse_sig_swf(code) else: assert False, 'Invalid player type %r' % player_type
if cache_enabled: try: test_string = u''.join(map(compat_chr, range(slen))) cache_res = res(test_string) cache_spec = [ord(c) for c in cache_res] try: os.makedirs(os.path.dirname(cache_fn)) except OSError as ose: if ose.errno != errno.EEXIST: raise write_json_file(cache_spec, cache_fn) except Exception: tb = traceback.format_exc() self._downloader.report_warning( u'Writing cache to %r failed: %s' % (cache_fn, tb))
return res
def _print_sig_code(self, func, slen): def gen_sig_code(idxs): def _genslice(start, end, step): starts = u'' if start == 0 else str(start) ends = (u':%d' % (end+step)) if end + step >= 0 else u':' steps = u'' if step == 1 else (u':%d' % step) return u's[%s%s%s]' % (starts, ends, steps)
step = None start = '(Never used)' # Quelch pyflakes warnings - start will be # set as soon as step is set for i, prev in zip(idxs[1:], idxs[:-1]): if step is not None: if i - prev == step: continue yield _genslice(start, prev, step) step = None continue if i - prev in [-1, 1]: step = i - prev start = prev continue else: yield u's[%d]' % prev if step is None: yield u's[%d]' % i else: yield _genslice(start, i, step)
test_string = u''.join(map(compat_chr, range(slen))) cache_res = func(test_string) cache_spec = [ord(c) for c in cache_res] expr_code = u' + '.join(gen_sig_code(cache_spec)) code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code) self.to_screen(u'Extracted signature function:\n' + code)
def _parse_sig_js(self, jscode): funcname = self._search_regex( r'signature=([a-zA-Z]+)', jscode, u'Initial JS player signature function name')
jsi = JSInterpreter(jscode) initial_function = jsi.extract_function(funcname) return lambda s: initial_function([s])
def _parse_sig_swf(self, file_contents): if file_contents[1:3] != b'WS': raise ExtractorError( u'Not an SWF file; header is %r' % file_contents[:3]) if file_contents[:1] == b'C': content = zlib.decompress(file_contents[8:]) else: raise NotImplementedError(u'Unsupported compression format %r' % file_contents[:1])
def extract_tags(content): pos = 0 while pos < len(content): header16 = struct.unpack('<H', content[pos:pos+2])[0] pos += 2 tag_code = header16 >> 6 tag_len = header16 & 0x3f if tag_len == 0x3f: tag_len = struct.unpack('<I', content[pos:pos+4])[0] pos += 4 assert pos+tag_len <= len(content) yield (tag_code, content[pos:pos+tag_len]) pos += tag_len
code_tag = next(tag for tag_code, tag in extract_tags(content) if tag_code == 82) p = code_tag.index(b'\0', 4) + 1 code_reader = io.BytesIO(code_tag[p:])
# Parse ABC (AVM2 ByteCode) def read_int(reader=None): if reader is None: reader = code_reader res = 0 shift = 0 for _ in range(5): buf = reader.read(1) assert len(buf) == 1 b = struct.unpack('<B', buf)[0] res = res | ((b & 0x7f) << shift) if b & 0x80 == 0: break shift += 7 return res
def u30(reader=None): res = read_int(reader) assert res & 0xf0000000 == 0 return res u32 = read_int
def s32(reader=None): v = read_int(reader) if v & 0x80000000 != 0: v = - ((v ^ 0xffffffff) + 1) return v
def read_string(reader=None): if reader is None: reader = code_reader slen = u30(reader) resb = reader.read(slen) assert len(resb) == slen return resb.decode('utf-8')
def read_bytes(count, reader=None): if reader is None: reader = code_reader resb = reader.read(count) assert len(resb) == count return resb
def read_byte(reader=None): resb = read_bytes(1, reader=reader) res = struct.unpack('<B', resb)[0] return res
# minor_version + major_version read_bytes(2 + 2)
# Constant pool int_count = u30() for _c in range(1, int_count): s32() uint_count = u30() for _c in range(1, uint_count): u32() double_count = u30() read_bytes((double_count-1) * 8) string_count = u30() constant_strings = [u''] for _c in range(1, string_count): s = read_string() constant_strings.append(s) namespace_count = u30() for _c in range(1, namespace_count): read_bytes(1) # kind u30() # name ns_set_count = u30() for _c in range(1, ns_set_count): count = u30() for _c2 in range(count): u30() multiname_count = u30() MULTINAME_SIZES = { 0x07: 2, # QName 0x0d: 2, # QNameA 0x0f: 1, # RTQName 0x10: 1, # RTQNameA 0x11: 0, # RTQNameL 0x12: 0, # RTQNameLA 0x09: 2, # Multiname 0x0e: 2, # MultinameA 0x1b: 1, # MultinameL 0x1c: 1, # MultinameLA } multinames = [u''] for _c in range(1, multiname_count): kind = u30() assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind if kind == 0x07: u30() # namespace_idx name_idx = u30() multinames.append(constant_strings[name_idx]) else: multinames.append('[MULTINAME kind: %d]' % kind) for _c2 in range(MULTINAME_SIZES[kind]): u30()
# Methods method_count = u30() MethodInfo = collections.namedtuple( 'MethodInfo', ['NEED_ARGUMENTS', 'NEED_REST']) method_infos = [] for method_id in range(method_count): param_count = u30() u30() # return type for _ in range(param_count): u30() # param type u30() # name index (always 0 for youtube) flags = read_byte() if flags & 0x08 != 0: # Options present option_count = u30() for c in range(option_count): u30() # val read_bytes(1) # kind if flags & 0x80 != 0: # Param names present for _ in range(param_count): u30() # param name mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0) method_infos.append(mi)
# Metadata metadata_count = u30() for _c in range(metadata_count): u30() # name item_count = u30() for _c2 in range(item_count): u30() # key u30() # value
def parse_traits_info(): trait_name_idx = u30() kind_full = read_byte() kind = kind_full & 0x0f attrs = kind_full >> 4 methods = {} if kind in [0x00, 0x06]: # Slot or Const u30() # Slot id u30() # type_name_idx vindex = u30() if vindex != 0: read_byte() # vkind elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter u30() # disp_id method_idx = u30() methods[multinames[trait_name_idx]] = method_idx elif kind == 0x04: # Class u30() # slot_id u30() # classi elif kind == 0x05: # Function u30() # slot_id function_idx = u30() methods[function_idx] = multinames[trait_name_idx] else: raise ExtractorError(u'Unsupported trait kind %d' % kind)
if attrs & 0x4 != 0: # Metadata present metadata_count = u30() for _c3 in range(metadata_count): u30() # metadata index
return methods
# Classes TARGET_CLASSNAME = u'SignatureDecipher' searched_idx = multinames.index(TARGET_CLASSNAME) searched_class_id = None class_count = u30() for class_id in range(class_count): name_idx = u30() if name_idx == searched_idx: # We found the class we're looking for! searched_class_id = class_id u30() # super_name idx flags = read_byte() if flags & 0x08 != 0: # Protected namespace is present u30() # protected_ns_idx intrf_count = u30() for _c2 in range(intrf_count): u30() u30() # iinit trait_count = u30() for _c2 in range(trait_count): parse_traits_info()
if searched_class_id is None: raise ExtractorError(u'Target class %r not found' % TARGET_CLASSNAME)
method_names = {} method_idxs = {} for class_id in range(class_count): u30() # cinit trait_count = u30() for _c2 in range(trait_count): trait_methods = parse_traits_info() if class_id == searched_class_id: method_names.update(trait_methods.items()) method_idxs.update(dict( (idx, name) for name, idx in trait_methods.items()))
# Scripts script_count = u30() for _c in range(script_count): u30() # init trait_count = u30() for _c2 in range(trait_count): parse_traits_info()
# Method bodies method_body_count = u30() Method = collections.namedtuple('Method', ['code', 'local_count']) methods = {} for _c in range(method_body_count): method_idx = u30() u30() # max_stack local_count = u30() u30() # init_scope_depth u30() # max_scope_depth code_length = u30() code = read_bytes(code_length) if method_idx in method_idxs: m = Method(code, local_count) methods[method_idxs[method_idx]] = m exception_count = u30() for _c2 in range(exception_count): u30() # from u30() # to u30() # target u30() # exc_type u30() # var_name trait_count = u30() for _c2 in range(trait_count): parse_traits_info()
assert p + code_reader.tell() == len(code_tag) assert len(methods) == len(method_idxs)
method_pyfunctions = {}
def extract_function(func_name): if func_name in method_pyfunctions: return method_pyfunctions[func_name] if func_name not in methods: raise ExtractorError(u'Cannot find function %r' % func_name) m = methods[func_name]
def resfunc(args): registers = ['(this)'] + list(args) + [None] * m.local_count stack = [] coder = io.BytesIO(m.code) while True: opcode = struct.unpack('!B', coder.read(1))[0] if opcode == 36: # pushbyte v = struct.unpack('!B', coder.read(1))[0] stack.append(v) elif opcode == 44: # pushstring idx = u30(coder) stack.append(constant_strings[idx]) elif opcode == 48: # pushscope # We don't implement the scope register, so we'll just # ignore the popped value stack.pop() elif opcode == 70: # callproperty index = u30(coder) mname = multinames[index] arg_count = u30(coder) args = list(reversed( [stack.pop() for _ in range(arg_count)])) obj = stack.pop() if mname == u'split': assert len(args) == 1 assert isinstance(args[0], compat_str) assert isinstance(obj, compat_str) if args[0] == u'': res = list(obj) else: res = obj.split(args[0]) stack.append(res) elif mname == u'slice': assert len(args) == 1 assert isinstance(args[0], int) assert isinstance(obj, list) res = obj[args[0]:] stack.append(res) elif mname == u'join': assert len(args) == 1 assert isinstance(args[0], compat_str) assert isinstance(obj, list) res = args[0].join(obj) stack.append(res) elif mname in method_pyfunctions: stack.append(method_pyfunctions[mname](args)) else: raise NotImplementedError( u'Unsupported property %r on %r' % (mname, obj)) elif opcode == 72: # returnvalue res = stack.pop() return res elif opcode == 79: # callpropvoid index = u30(coder) mname = multinames[index] arg_count = u30(coder) args = list(reversed( [stack.pop() for _ in range(arg_count)])) obj = stack.pop() if mname == u'reverse': assert isinstance(obj, list) obj.reverse() else: raise NotImplementedError( u'Unsupported (void) property %r on %r' % (mname, obj)) elif opcode == 93: # findpropstrict index = u30(coder) mname = multinames[index] res = extract_function(mname) stack.append(res) elif opcode == 97: # setproperty index = u30(coder) value = stack.pop() idx = stack.pop() obj = stack.pop() assert isinstance(obj, list) assert isinstance(idx, int) obj[idx] = value elif opcode == 98: # getlocal index = u30(coder) stack.append(registers[index]) elif opcode == 99: # setlocal index = u30(coder) value = stack.pop() registers[index] = value elif opcode == 102: # getproperty index = u30(coder) pname = multinames[index] if pname == u'length': obj = stack.pop() assert isinstance(obj, list) stack.append(len(obj)) else: # Assume attribute access idx = stack.pop() assert isinstance(idx, int) obj = stack.pop() assert isinstance(obj, list) stack.append(obj[idx]) elif opcode == 128: # coerce u30(coder) elif opcode == 133: # coerce_s assert isinstance(stack[-1], (type(None), compat_str)) elif opcode == 164: # modulo value2 = stack.pop() value1 = stack.pop() res = value1 % value2 stack.append(res) elif opcode == 208: # getlocal_0 stack.append(registers[0]) elif opcode == 209: # getlocal_1 stack.append(registers[1]) elif opcode == 210: # getlocal_2 stack.append(registers[2]) elif opcode == 211: # getlocal_3 stack.append(registers[3]) elif opcode == 214: # setlocal_2 registers[2] = stack.pop() elif opcode == 215: # setlocal_3 registers[3] = stack.pop() else: raise NotImplementedError( u'Unsupported opcode %d' % opcode)
method_pyfunctions[func_name] = resfunc return resfunc
initial_function = extract_function(u'decipher') return lambda s: initial_function([s])
def _decrypt_signature(self, s, video_id, player_url, age_gate=False): """Turn the encrypted s field into a working signature"""
if player_url is not None: if player_url.startswith(u'//'): player_url = u'https:' + player_url try: player_id = (player_url, len(s)) if player_id not in self._player_cache: func = self._extract_signature_function( video_id, player_url, len(s) ) self._player_cache[player_id] = func func = self._player_cache[player_id] if self._downloader.params.get('youtube_print_sig_code'): self._print_sig_code(func, len(s)) return func(s) except Exception: tb = traceback.format_exc() self._downloader.report_warning( u'Automatic signature extraction failed: ' + tb)
self._downloader.report_warning( u'Warning: Falling back to static signature algorithm')
return self._static_decrypt_signature( s, video_id, player_url, age_gate)
def _static_decrypt_signature(self, s, video_id, player_url, age_gate): if age_gate: # The videos with age protection use another player, so the # algorithms can be different. if len(s) == 86: return s[2:63] + s[82] + s[64:82] + s[63]
if len(s) == 93: return s[86:29:-1] + s[88] + s[28:5:-1] elif len(s) == 92: return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83] elif len(s) == 91: return s[84:27:-1] + s[86] + s[26:5:-1] elif len(s) == 90: return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81] elif len(s) == 89: return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1] elif len(s) == 88: return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28] elif len(s) == 87: return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:] elif len(s) == 86: return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1] elif len(s) == 85: return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84] elif len(s) == 84: return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1] elif len(s) == 83: return s[80:63:-1] + s[0] + s[62:0:-1] + s[63] elif len(s) == 82: return s[80:37:-1] + s[7] + s[36:7:-1] + s[0] + s[6:0:-1] + s[37] elif len(s) == 81: 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] elif len(s) == 80: return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80] elif len(s) == 79: 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]
else: raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
def _get_available_subtitles(self, video_id, webpage): try: sub_list = self._download_webpage( 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id, video_id, note=False) except ExtractorError as err: self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err)) return {} lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
sub_lang_list = {} for l in lang_list: lang = l[1] params = compat_urllib_parse.urlencode({ 'lang': lang, 'v': video_id, 'fmt': self._downloader.params.get('subtitlesformat', 'srt'), 'name': unescapeHTML(l[0]).encode('utf-8'), }) url = u'https://www.youtube.com/api/timedtext?' + params sub_lang_list[lang] = url if not sub_lang_list: self._downloader.report_warning(u'video doesn\'t have subtitles') return {} return sub_lang_list
def _get_available_automatic_caption(self, video_id, webpage): """We need the webpage for getting the captions url, pass it as an
argument to speed up the process."""
sub_format = self._downloader.params.get('subtitlesformat', 'srt') self.to_screen(u'%s: Looking for automatic captions' % video_id) mobj = re.search(r';ytplayer.config = ({.*?});', webpage) err_msg = u'Couldn\'t find automatic captions for %s' % video_id if mobj is None: self._downloader.report_warning(err_msg) return {} player_config = json.loads(mobj.group(1)) try: args = player_config[u'args'] caption_url = args[u'ttsurl'] timestamp = args[u'timestamp'] # We get the available subtitles list_params = compat_urllib_parse.urlencode({ 'type': 'list', 'tlangs': 1, 'asrs': 1, }) list_url = caption_url + '&' + list_params caption_list = self._download_xml(list_url, video_id) original_lang_node = caption_list.find('track') if original_lang_node is None or original_lang_node.attrib.get('kind') != 'asr' : self._downloader.report_warning(u'Video doesn\'t have automatic captions') return {} original_lang = original_lang_node.attrib['lang_code']
sub_lang_list = {} for lang_node in caption_list.findall('target'): sub_lang = lang_node.attrib['lang_code'] params = compat_urllib_parse.urlencode({ 'lang': original_lang, 'tlang': sub_lang, 'fmt': sub_format, 'ts': timestamp, 'kind': 'asr', }) sub_lang_list[sub_lang] = caption_url + '&' + params return sub_lang_list # An extractor error can be raise by the download process if there are # no automatic captions but there are subtitles except (KeyError, ExtractorError): self._downloader.report_warning(err_msg) return {}
@classmethod def extract_id(cls, url): mobj = re.match(cls._VALID_URL, url, re.VERBOSE) if mobj is None: raise ExtractorError(u'Invalid URL: %s' % url) video_id = mobj.group(2) return video_id
def _extract_from_m3u8(self, manifest_url, video_id): url_map = {} def _get_urls(_manifest): lines = _manifest.split('\n') urls = filter(lambda l: l and not l.startswith('#'), lines) return urls manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest') formats_urls = _get_urls(manifest) for format_url in formats_urls: itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag') url_map[itag] = format_url return url_map
def _extract_annotations(self, video_id): url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id return self._download_webpage(url, video_id, note=u'Searching for annotations.', errnote=u'Unable to download video annotations.')
def _real_extract(self, url): proto = ( u'http' if self._downloader.params.get('prefer_insecure', False) else u'https')
# Extract original video URL from URL with redirection, like age verification, using next_url parameter mobj = re.search(self._NEXT_URL_RE, url) if mobj: url = proto + '://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/') video_id = self.extract_id(url)
# Get video webpage url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id video_webpage = self._download_webpage(url, video_id)
# Attempt to extract SWF player URL mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage) if mobj is not None: player_url = re.sub(r'\\(.)', r'\1', mobj.group(1)) else: player_url = None
# Get video info self.report_video_info_webpage_download(video_id) if re.search(r'player-age-gate-content">', video_webpage) is not None: self.report_age_confirmation() age_gate = True # We simulate the access to the video from www.youtube.com/v/{video_id} # this can be viewed without login into Youtube data = compat_urllib_parse.urlencode({'video_id': video_id, 'el': 'player_embedded', 'gl': 'US', 'hl': 'en', 'eurl': 'https://youtube.googleapis.com/v/' + video_id, 'asv': 3, 'sts':'1588', }) video_info_url = proto + '://www.youtube.com/get_video_info?' + data video_info_webpage = self._download_webpage(video_info_url, video_id, note=False, errnote='unable to download video info webpage') video_info = compat_parse_qs(video_info_webpage) else: age_gate = False for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']: video_info_url = (proto + '://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en' % (video_id, el_type)) video_info_webpage = self._download_webpage(video_info_url, video_id, note=False, errnote='unable to download video info webpage') video_info = compat_parse_qs(video_info_webpage) if 'token' in video_info: break if 'token' not in video_info: if 'reason' in video_info: raise ExtractorError( u'YouTube said: %s' % video_info['reason'][0], expected=True, video_id=video_id) else: raise ExtractorError( u'"token" parameter not in video info for unknown reason', video_id=video_id)
if 'view_count' in video_info: view_count = int(video_info['view_count'][0]) else: view_count = None
# Check for "rental" videos if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info: raise ExtractorError(u'"rental" videos not supported')
# Start extracting information self.report_information_extraction(video_id)
# uploader if 'author' not in video_info: raise ExtractorError(u'Unable to extract uploader name') video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
# uploader_id video_uploader_id = None mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage) if mobj is not None: video_uploader_id = mobj.group(1) else: self._downloader.report_warning(u'unable to extract uploader nickname')
# title if 'title' in video_info: video_title = video_info['title'][0] else: self._downloader.report_warning(u'Unable to extract video title') video_title = u'_'
# thumbnail image # We try first to get a high quality image: m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">', video_webpage, re.DOTALL) if m_thumb is not None: video_thumbnail = m_thumb.group(1) elif 'thumbnail_url' not in video_info: self._downloader.report_warning(u'unable to extract video thumbnail') video_thumbnail = None else: # don't panic if we can't find it video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
# upload date upload_date = None mobj = re.search(r'(?s)id="eow-date.*?>(.*?)</span>', video_webpage) if mobj is None: mobj = re.search( r'(?s)id="watch-uploader-info".*?>.*?(?:Published|Uploaded|Streamed live) on (.*?)</strong>', video_webpage) if mobj is not None: upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split()) upload_date = unified_strdate(upload_date)
m_cat_container = get_element_by_id("eow-category", video_webpage) if m_cat_container: category = self._html_search_regex( r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category', default=None) video_categories = None if category is None else [category] else: video_categories = None
# description video_description = get_element_by_id("eow-description", video_webpage) if video_description: video_description = re.sub(r'''(?x)
<a\s+ (?:[a-zA-Z-]+="[^"]+"\s+)*? title="([^"]+)"\s+ (?:[a-zA-Z-]+="[^"]+"\s+)*? class="yt-uix-redirect-link"\s*> [^<]+ </a> ''', r'\1', video_description)
video_description = clean_html(video_description) else: fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage) if fd_mobj: video_description = unescapeHTML(fd_mobj.group(1)) else: video_description = u''
def _extract_count(klass): count = self._search_regex( r'class="%s">([\d,]+)</span>' % re.escape(klass), video_webpage, klass, default=None) if count is not None: return int(count.replace(',', '')) return None like_count = _extract_count(u'likes-count') dislike_count = _extract_count(u'dislikes-count')
# subtitles video_subtitles = self.extract_subtitles(video_id, video_webpage)
if self._downloader.params.get('listsubtitles', False): self._list_available_subtitles(video_id, video_webpage) return
if 'length_seconds' not in video_info: self._downloader.report_warning(u'unable to extract video duration') video_duration = None else: video_duration = int(compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]))
# annotations video_annotations = None if self._downloader.params.get('writeannotations', False): video_annotations = self._extract_annotations(video_id)
# Decide which formats to download try: mobj = re.search(r';ytplayer\.config\s*=\s*({.*?});', video_webpage) if not mobj: raise ValueError('Could not find vevo ID') json_code = uppercase_escape(mobj.group(1)) ytplayer_config = json.loads(json_code) args = ytplayer_config['args'] # Easy way to know if the 's' value is in url_encoded_fmt_stream_map # this signatures are encrypted if 'url_encoded_fmt_stream_map' not in args: raise ValueError(u'No stream_map present') # caught below re_signature = re.compile(r'[&,]s=') m_s = re_signature.search(args['url_encoded_fmt_stream_map']) if m_s is not None: self.to_screen(u'%s: Encrypted signatures detected.' % video_id) video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']] m_s = re_signature.search(args.get('adaptive_fmts', u'')) if m_s is not None: if 'adaptive_fmts' in video_info: video_info['adaptive_fmts'][0] += ',' + args['adaptive_fmts'] else: video_info['adaptive_fmts'] = [args['adaptive_fmts']] except ValueError: pass
def _map_to_format_list(urlmap): formats = [] for itag, video_real_url in urlmap.items(): dct = { 'format_id': itag, 'url': video_real_url, 'player_url': player_url, } if itag in self._formats: dct.update(self._formats[itag]) formats.append(dct) return formats
if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'): self.report_rtmp_download() formats = [{ 'format_id': '_rtmp', 'protocol': 'rtmp', 'url': video_info['conn'][0], 'player_url': player_url, }] elif len(video_info.get('url_encoded_fmt_stream_map', [])) >= 1 or len(video_info.get('adaptive_fmts', [])) >= 1: encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts',[''])[0] if 'rtmpe%3Dyes' in encoded_url_map: raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True) url_map = {} for url_data_str in encoded_url_map.split(','): url_data = compat_parse_qs(url_data_str) if 'itag' in url_data and 'url' in url_data: url = url_data['url'][0] if 'sig' in url_data: url += '&signature=' + url_data['sig'][0] elif 's' in url_data: encrypted_sig = url_data['s'][0] if self._downloader.params.get('verbose'): if age_gate: if player_url is None: player_version = 'unknown' else: player_version = self._search_regex( r'-(.+)\.swf$', player_url, u'flash player', fatal=False) player_desc = 'flash player %s' % player_version else: player_version = self._search_regex( r'html5player-(.+?)\.js', video_webpage, 'html5 player', fatal=False) player_desc = u'html5 player %s' % player_version
parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.')) self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' % (len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
if not age_gate: jsplayer_url_json = self._search_regex( r'"assets":.+?"js":\s*("[^"]+")', video_webpage, u'JS player URL') player_url = json.loads(jsplayer_url_json)
signature = self._decrypt_signature( encrypted_sig, video_id, player_url, age_gate) url += '&signature=' + signature if 'ratebypass' not in url: url += '&ratebypass=yes' url_map[url_data['itag'][0]] = url formats = _map_to_format_list(url_map) elif video_info.get('hlsvp'): manifest_url = video_info['hlsvp'][0] url_map = self._extract_from_m3u8(manifest_url, video_id) formats = _map_to_format_list(url_map) else: raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
# Look for the DASH manifest if (self._downloader.params.get('youtube_include_dash_manifest', False)): try: # The DASH manifest used needs to be the one from the original video_webpage. # The one found in get_video_info seems to be using different signatures. # However, in the case of an age restriction there won't be any embedded dashmpd in the video_webpage. # Luckily, it seems, this case uses some kind of default signature (len == 86), so the # combination of get_video_info and the _static_decrypt_signature() decryption fallback will work here. if age_gate: dash_manifest_url = video_info.get('dashmpd')[0] else: dash_manifest_url = ytplayer_config['args']['dashmpd'] def decrypt_sig(mobj): s = mobj.group(1) dec_s = self._decrypt_signature(s, video_id, player_url, age_gate) return '/signature/%s' % dec_s dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url) dash_doc = self._download_xml( dash_manifest_url, video_id, note=u'Downloading DASH manifest', errnote=u'Could not download DASH manifest') for r in dash_doc.findall(u'.//{urn:mpeg:DASH:schema:MPD:2011}Representation'): url_el = r.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL') if url_el is None: continue format_id = r.attrib['id'] video_url = url_el.text filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength')) f = { 'format_id': format_id, 'url': video_url, 'width': int_or_none(r.attrib.get('width')), 'tbr': int_or_none(r.attrib.get('bandwidth'), 1000), 'asr': int_or_none(r.attrib.get('audioSamplingRate')), 'filesize': filesize, } try: existing_format = next( fo for fo in formats if fo['format_id'] == format_id) except StopIteration: f.update(self._formats.get(format_id, {})) formats.append(f) else: existing_format.update(f)
except (ExtractorError, KeyError) as e: self.report_warning(u'Skipping DASH manifest: %s' % e, video_id)
self._sort_formats(formats)
return { 'id': video_id, 'uploader': video_uploader, 'uploader_id': video_uploader_id, 'upload_date': upload_date, 'title': video_title, 'thumbnail': video_thumbnail, 'description': video_description, 'categories': video_categories, 'subtitles': video_subtitles, 'duration': video_duration, 'age_limit': 18 if age_gate else 0, 'annotations': video_annotations, 'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id, 'view_count': view_count, 'like_count': like_count, 'dislike_count': dislike_count, 'formats': formats, }
class YoutubePlaylistIE(YoutubeBaseInfoExtractor): IE_DESC = u'YouTube.com playlists' _VALID_URL = r"""(?x)(?:
(?:https?://)? (?:\w+\.)? youtube\.com/ (?: (?:course|view_play_list|my_playlists|artist|playlist|watch) \? (?:.*?&)*? (?:p|a|list)= | p/ ) ( (?:PL|EC|UU|FL|RD)?[0-9A-Za-z-_]{10,} # Top tracks, they can also include dots |(?:MC)[\w\.]* ) .* | ((?:PL|EC|UU|FL|RD)[0-9A-Za-z-_]{10,}) )"""
_TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s' _MORE_PAGES_INDICATOR = r'data-link-type="next"' _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&[^"]*?index=(?P<index>\d+)' IE_NAME = u'youtube:playlist'
def _real_initialize(self): self._login()
def _ids_to_results(self, ids): return [self.url_result(vid_id, 'Youtube', video_id=vid_id) for vid_id in ids]
def _extract_mix(self, playlist_id): # The mixes are generated from a a single video # the id of the playlist is just 'RD' + video_id url = 'https://youtube.com/watch?v=%s&list=%s' % (playlist_id[-11:], playlist_id) webpage = self._download_webpage(url, playlist_id, u'Downloading Youtube mix') search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage) title_span = (search_title('playlist-title') or search_title('title long-title') or search_title('title')) title = clean_html(title_span) video_re = r'''(?x)data-video-username=".*?".*?
href="/watch\?v=([0-9A-Za-z_-]{11})&[^"]*?list=%s''' % re.escape(playlist_id)
ids = orderedSet(re.findall(video_re, webpage, flags=re.DOTALL)) url_results = self._ids_to_results(ids)
return self.playlist_result(url_results, playlist_id, title)
def _real_extract(self, url): # Extract playlist id mobj = re.match(self._VALID_URL, url) if mobj is None: raise ExtractorError(u'Invalid URL: %s' % url) playlist_id = mobj.group(1) or mobj.group(2)
# Check if it's a video-specific URL query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query) if 'v' in query_dict: video_id = query_dict['v'][0] if self._downloader.params.get('noplaylist'): self.to_screen(u'Downloading just video %s because of --no-playlist' % video_id) return self.url_result(video_id, 'Youtube', video_id=video_id) else: self.to_screen(u'Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
if playlist_id.startswith('RD'): # Mixes require a custom extraction process return self._extract_mix(playlist_id) if playlist_id.startswith('TL'): raise ExtractorError(u'For downloading YouTube.com top lists, use ' u'the "yttoplist" keyword, for example "youtube-dl \'yttoplist:music:Top Tracks\'"', expected=True)
url = self._TEMPLATE_URL % playlist_id page = self._download_webpage(url, playlist_id) more_widget_html = content_html = page
# Check if the playlist exists or is private if re.search(r'<div class="yt-alert-message">[^<]*?(The|This) playlist (does not exist|is private)[^<]*?</div>', page) is not None: raise ExtractorError( u'The playlist doesn\'t exist or is private, use --username or ' '--netrc to access it.', expected=True)
# Extract the video ids from the playlist pages ids = []
for page_num in itertools.count(1): matches = re.finditer(self._VIDEO_RE, content_html) # We remove the duplicates and the link with index 0 # (it's not the first video of the playlist) new_ids = orderedSet(m.group('id') for m in matches if m.group('index') != '0') ids.extend(new_ids)
mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html) if not mobj: break
more = self._download_json( 'https://youtube.com/%s' % mobj.group('more'), playlist_id, 'Downloading page #%s' % page_num, transform_source=uppercase_escape) content_html = more['content_html'] more_widget_html = more['load_more_widget_html']
playlist_title = self._html_search_regex( r'(?s)<h1 class="pl-header-title[^"]*">\s*(.*?)\s*</h1>', page, u'title')
url_results = self._ids_to_results(ids) return self.playlist_result(url_results, playlist_id, playlist_title)
class YoutubeTopListIE(YoutubePlaylistIE): IE_NAME = u'youtube:toplist' IE_DESC = (u'YouTube.com top lists, "yttoplist:{channel}:{list title}"' u' (Example: "yttoplist:music:Top Tracks")') _VALID_URL = r'yttoplist:(?P<chann>.*?):(?P<title>.*?)$'
def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) channel = mobj.group('chann') title = mobj.group('title') query = compat_urllib_parse.urlencode({'title': title}) playlist_re = 'href="([^"]+?%s.*?)"' % re.escape(query) channel_page = self._download_webpage('https://www.youtube.com/%s' % channel, title) link = self._html_search_regex(playlist_re, channel_page, u'list') url = compat_urlparse.urljoin('https://www.youtube.com/', link) video_re = r'data-index="\d+".*?data-video-id="([0-9A-Za-z_-]{11})"' ids = [] # sometimes the webpage doesn't contain the videos # retry until we get them for i in itertools.count(0): msg = u'Downloading Youtube mix' if i > 0: msg += ', retry #%d' % i webpage = self._download_webpage(url, title, msg) ids = orderedSet(re.findall(video_re, webpage)) if ids: break url_results = self._ids_to_results(ids) return self.playlist_result(url_results, playlist_title=title)
class YoutubeChannelIE(InfoExtractor): IE_DESC = u'YouTube.com channels' _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)" _MORE_PAGES_INDICATOR = 'yt-uix-load-more' _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' IE_NAME = u'youtube:channel'
def extract_videos_from_page(self, page): ids_in_page = [] for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page): if mobj.group(1) not in ids_in_page: ids_in_page.append(mobj.group(1)) return ids_in_page
def _real_extract(self, url): # Extract channel id mobj = re.match(self._VALID_URL, url) if mobj is None: raise ExtractorError(u'Invalid URL: %s' % url)
# Download channel page channel_id = mobj.group(1) video_ids = [] url = 'https://www.youtube.com/channel/%s/videos' % channel_id channel_page = self._download_webpage(url, channel_id) autogenerated = re.search(r'''(?x)
class="[^"]*?(?: channel-header-autogenerated-label| yt-channel-title-autogenerated )[^"]*"''', channel_page) is not None
if autogenerated: # The videos are contained in a single page # the ajax pages can't be used, they are empty video_ids = self.extract_videos_from_page(channel_page) else: # Download all channel pages using the json-based channel_ajax query for pagenum in itertools.count(1): url = self._MORE_PAGES_URL % (pagenum, channel_id) page = self._download_json( url, channel_id, note=u'Downloading page #%s' % pagenum, transform_source=uppercase_escape)
ids_in_page = self.extract_videos_from_page(page['content_html']) video_ids.extend(ids_in_page) if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']: break
self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
url_entries = [self.url_result(video_id, 'Youtube', video_id=video_id) for video_id in video_ids] return self.playlist_result(url_entries, channel_id)
class YoutubeUserIE(InfoExtractor): IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)' _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?(?!(?:attribution_link|watch|results)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)([A-Za-z0-9_-]+)' _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/users/%s' _GDATA_PAGE_SIZE = 50 _GDATA_URL = 'https://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json' IE_NAME = u'youtube:user'
@classmethod def suitable(cls, url): # Don't return True if the url can be extracted with other youtube # extractor, the regex would is too permissive and it would match. other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls) if any(ie.suitable(url) for ie in other_ies): return False else: return super(YoutubeUserIE, cls).suitable(url)
def _real_extract(self, url): # Extract username mobj = re.match(self._VALID_URL, url) if mobj is None: raise ExtractorError(u'Invalid URL: %s' % url)
username = mobj.group(1)
# Download video ids using YouTube Data API. Result size per # query is limited (currently to 50 videos) so we need to query # page by page until there are no video ids - it means we got # all of them.
def download_page(pagenum): start_index = pagenum * self._GDATA_PAGE_SIZE + 1
gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index) page = self._download_webpage( gdata_url, username, u'Downloading video ids from %d to %d' % ( start_index, start_index + self._GDATA_PAGE_SIZE))
try: response = json.loads(page) except ValueError as err: raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err)) if 'entry' not in response['feed']: return
# Extract video identifiers entries = response['feed']['entry'] for entry in entries: title = entry['title']['$t'] video_id = entry['id']['$t'].split('/')[-1] yield { '_type': 'url', 'url': video_id, 'ie_key': 'Youtube', 'id': video_id, 'title': title, } url_results = PagedList(download_page, self._GDATA_PAGE_SIZE)
return self.playlist_result(url_results, playlist_title=username)
class YoutubeSearchIE(SearchInfoExtractor): IE_DESC = u'YouTube.com searches' _API_URL = u'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc' _MAX_RESULTS = 1000 IE_NAME = u'youtube:search' _SEARCH_KEY = 'ytsearch'
def _get_n_results(self, query, n): """Get a specified number of results for a query"""
video_ids = [] pagenum = 0 limit = n PAGE_SIZE = 50
while (PAGE_SIZE * pagenum) < limit: result_url = self._API_URL % ( compat_urllib_parse.quote_plus(query.encode('utf-8')), (PAGE_SIZE * pagenum) + 1) data_json = self._download_webpage( result_url, video_id=u'query "%s"' % query, note=u'Downloading page %s' % (pagenum + 1), errnote=u'Unable to download API page') data = json.loads(data_json) api_response = data['data']
if 'items' not in api_response: raise ExtractorError( u'[youtube] No video results', expected=True)
new_ids = list(video['id'] for video in api_response['items']) video_ids += new_ids
limit = min(n, api_response['totalItems']) pagenum += 1
if len(video_ids) > n: video_ids = video_ids[:n] videos = [self.url_result(video_id, 'Youtube', video_id=video_id) for video_id in video_ids] return self.playlist_result(videos, query)
class YoutubeSearchDateIE(YoutubeSearchIE): IE_NAME = YoutubeSearchIE.IE_NAME + ':date' _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc&orderby=published' _SEARCH_KEY = 'ytsearchdate' IE_DESC = u'YouTube.com searches, newest videos first'
class YoutubeSearchURLIE(InfoExtractor): IE_DESC = u'YouTube.com search URLs' IE_NAME = u'youtube:search_url' _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?search_query=(?P<query>[^&]+)(?:[&]|$)'
def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) query = compat_urllib_parse.unquote_plus(mobj.group('query'))
webpage = self._download_webpage(url, query) result_code = self._search_regex( r'(?s)<ol id="search-results"(.*?)</ol>', webpage, u'result HTML')
part_codes = re.findall( r'(?s)<h3 class="yt-lockup-title">(.*?)</h3>', result_code) entries = [] for part_code in part_codes: part_title = self._html_search_regex( r'(?s)title="([^"]+)"', part_code, 'item title', fatal=False) part_url_snippet = self._html_search_regex( r'(?s)href="([^"]+)"', part_code, 'item URL') part_url = compat_urlparse.urljoin( 'https://www.youtube.com/', part_url_snippet) entries.append({ '_type': 'url', 'url': part_url, 'title': part_title, })
return { '_type': 'playlist', 'entries': entries, 'title': query, }
class YoutubeShowIE(InfoExtractor): IE_DESC = u'YouTube.com (multi-season) shows' _VALID_URL = r'https?://www\.youtube\.com/show/(.*)' IE_NAME = u'youtube:show'
def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) show_name = mobj.group(1) webpage = self._download_webpage(url, show_name, u'Downloading show webpage') # There's one playlist for each season of the show m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage)) self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons))) return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor): """
Base class for extractors that fetch info from http://www.youtube.com/feed_ajax Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties. """
_LOGIN_REQUIRED = True # use action_load_personal_feed instead of action_load_system_feed _PERSONAL_FEED = False
@property def _FEED_TEMPLATE(self): action = 'action_load_system_feed' if self._PERSONAL_FEED: action = 'action_load_personal_feed' return 'https://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
@property def IE_NAME(self): return u'youtube:%s' % self._FEED_NAME
def _real_initialize(self): self._login()
def _real_extract(self, url): feed_entries = [] paging = 0 for i in itertools.count(1): info = self._download_json(self._FEED_TEMPLATE % paging, u'%s feed' % self._FEED_NAME, u'Downloading page %s' % i) feed_html = info.get('feed_html') or info.get('content_html') m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html) ids = orderedSet(m.group(1) for m in m_ids) feed_entries.extend( self.url_result(video_id, 'Youtube', video_id=video_id) for video_id in ids) mobj = re.search( r'data-uix-load-more-href="/?[^"]+paging=(?P<paging>\d+)', feed_html) if mobj is None: break paging = mobj.group('paging') return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor): IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)' _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?' _FEED_NAME = 'subscriptions' _PLAYLIST_TITLE = u'Youtube Subscriptions'
class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor): IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)' _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?' _FEED_NAME = 'recommended' _PLAYLIST_TITLE = u'Youtube Recommended videos'
class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor): IE_DESC = u'Youtube watch later list, "ytwatchlater" keyword (requires authentication)' _VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater' _FEED_NAME = 'watch_later' _PLAYLIST_TITLE = u'Youtube Watch Later' _PERSONAL_FEED = True
class YoutubeHistoryIE(YoutubeFeedsInfoExtractor): IE_DESC = u'Youtube watch history, "ythistory" keyword (requires authentication)' _VALID_URL = u'https?://www\.youtube\.com/feed/history|:ythistory' _FEED_NAME = 'history' _PERSONAL_FEED = True _PLAYLIST_TITLE = u'Youtube Watch History'
class YoutubeFavouritesIE(YoutubeBaseInfoExtractor): IE_NAME = u'youtube:favorites' IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)' _VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?' _LOGIN_REQUIRED = True
def _real_extract(self, url): webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos') playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id') return self.url_result(playlist_id, 'YoutubePlaylist')
class YoutubeTruncatedURLIE(InfoExtractor): IE_NAME = 'youtube:truncated_url' IE_DESC = False # Do not list _VALID_URL = r'''(?x)
(?:https?://)?[^/]+/watch\?(?:feature=[a-z_]+)?$| (?:https?://)?(?:www\.)?youtube\.com/attribution_link\?a=[^&]+$ '''
def _real_extract(self, url): raise ExtractorError( u'Did you forget to quote the URL? Remember that & is a meta ' u'character in most shells, so you want to put the URL in quotes, ' u'like youtube-dl ' u'"http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" ' u' or simply youtube-dl BaW_jenozKc .', expected=True)
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