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5 Commits

Author SHA1 Message Date
dirkf
d72a2a38c8
Merge 964f2cc5bd into c5098961b0 2024-08-21 22:32:54 -04:00
dirkf
c5098961b0 [Youtube] Rework n function extraction pattern
Now also succeeds with player b12cc44b
2024-08-06 20:59:09 +01:00
dirkf
dbc08fba83 [jsinterp] Improve slice implementation for player b12cc44b
Partly taken from yt-dlp/yt-dlp#10664, thx seproDev
        Fixes #32896
2024-08-06 20:51:38 +01:00
Aiur Adept
71223bff39
[Youtube] Fix nsig extraction for player 20dfca59 (#32891)
* dirkf's patch for nsig extraction
* add generic search per  yt-dlp/yt-dlp/pull/10611 - thx bashonly

---------

Co-authored-by: dirkf <fieldhouse@gmx.net>
2024-08-01 19:18:34 +01:00
dirkf
964f2cc5bd Add new extractor for ERTFlix.gr: single shows, series as playlists 2022-01-16 20:04:08 +00:00
6 changed files with 254 additions and 13 deletions

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@ -425,6 +425,34 @@ class TestJSInterpreter(unittest.TestCase):
self._test(jsi, [''], args=['', '-']) self._test(jsi, [''], args=['', '-'])
self._test(jsi, [], args=['', '']) self._test(jsi, [], args=['', ''])
def test_slice(self):
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice()}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0)}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(5)}', [5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(99)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-2)}', [7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-99)}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 0)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, 0)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 1)}', [0])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(3, 6)}', [3, 4, 5])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, -1)}', [1, 2, 3, 4, 5, 6, 7])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-1, 1)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-3, -1)}', [6, 7])
self._test('function f(){return "012345678".slice()}', '012345678')
self._test('function f(){return "012345678".slice(0)}', '012345678')
self._test('function f(){return "012345678".slice(5)}', '5678')
self._test('function f(){return "012345678".slice(99)}', '')
self._test('function f(){return "012345678".slice(-2)}', '78')
self._test('function f(){return "012345678".slice(-99)}', '012345678')
self._test('function f(){return "012345678".slice(0, 0)}', '')
self._test('function f(){return "012345678".slice(1, 0)}', '')
self._test('function f(){return "012345678".slice(0, 1)}', '0')
self._test('function f(){return "012345678".slice(3, 6)}', '345')
self._test('function f(){return "012345678".slice(1, -1)}', '1234567')
self._test('function f(){return "012345678".slice(-1, 1)}', '')
self._test('function f(){return "012345678".slice(-3, -1)}', '67')
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()

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@ -174,6 +174,14 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js',
'7X-he4jjvMx7BCX', 'sViSydX8IHtdWA', '7X-he4jjvMx7BCX', 'sViSydX8IHtdWA',
), ),
(
'https://www.youtube.com/s/player/20dfca59/player_ias.vflset/en_US/base.js',
'-fLCxedkAk4LUTK2', 'O8kfRq1y1eyHGw',
),
(
'https://www.youtube.com/s/player/b12cc44b/player_ias.vflset/en_US/base.js',
'keLa5R2U00sR9SQK', 'N1OGyujjEwMnLw',
),
] ]

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@ -0,0 +1,165 @@
# coding: utf-8
from __future__ import unicode_literals
from ..compat import compat_str
from ..utils import (
determine_ext,
dict_get,
int_or_none,
parse_age_limit,
parse_iso8601,
str_or_none,
try_get,
url_or_none,
)
from .common import InfoExtractor
class ERTFlixBaseIE(InfoExtractor):
_VALID_URL = r'ertflix:(?P<id>[\w-]+)'
_TESTS = [{
'url': 'ertflix:monogramma-praxitelis-tzanoylinos',
'md5': '5b9c2cd171f09126167e4082fc1dd0ef',
'info_dict': {
'id': 'monogramma-praxitelis-tzanoylinos',
'ext': 'mp4',
'title': 'md5:ef0b439902963d56c43ac83c3f41dd0e',
},
},
]
def _call_api(self, video_id, method='Player/AcquireContent', **params):
query = {'platformCodename': 'www', }
query.update(params)
json = self._download_json(
'https://api.app.ertflix.gr/v1/%s' % (method, ),
video_id, fatal=False, query=query)
if try_get(json, lambda x: x['Result']['Success']) is True:
return json
def _extract_formats(self, video_id, allow_none=True):
media_info = self._call_api(video_id, codename=video_id)
formats = []
for media_file in try_get(media_info, lambda x: x['MediaFiles'], list) or []:
for media in try_get(media_file, lambda x: x['Formats'], list) or []:
fmt_url = url_or_none(try_get(media, lambda x: x['Url']))
if not fmt_url:
continue
ext = determine_ext(fmt_url)
if ext == 'm3u8':
formats.extend(self._extract_m3u8_formats(fmt_url, video_id, m3u8_id='hls', ext='mp4', entry_protocol='m3u8_native', fatal=False))
elif ext == 'mpd':
formats.extend(self._extract_mpd_formats(fmt_url, video_id, mpd_id='dash', fatal=False))
else:
formats.append({
'url': fmt_url,
'format_id': str_or_none(media.get('Id')),
})
if formats or not allow_none:
self._sort_formats(formats)
return formats
def _real_extract(self, url):
video_id = self._match_id(url)
formats = self._extract_formats(video_id)
if formats:
return {
'id': video_id,
'formats': formats,
'title': self._generic_title(url),
}
class ERTFlixIE(ERTFlixBaseIE):
_VALID_URL = r'https?://www\.ertflix\.gr/(?:series|vod)/(?P<id>[a-z]{3}\.\d+)'
_TESTS = [{
'url': 'https://www.ertflix.gr/vod/vod.173258-aoratoi-ergates',
'md5': '388f47a70e1935c8dabe454e871446bb',
'info_dict': {
'id': 'aoratoi-ergates',
'ext': 'mp4',
'title': 'md5:c1433d598fbba0211b0069021517f8b4',
'description': 'md5:8cc02e5cdb31058c8f6e0423db813770',
'thumbnail': r're:https?://.+\.jpg',
},
}, {
'url': 'https://www.ertflix.gr/series/ser.3448-monogramma',
'info_dict': {
'id': 'ser.3448',
'age_limit': 8,
'description': 'Η εκπομπή σαράντα ετών που σημάδεψε τον πολιτισμό μας.',
'title': 'Μονόγραμμα',
},
'playlist_mincount': 64,
},
]
def _extract_series(self, video_id):
media_info = self._call_api(video_id, method='Tile/GetSeriesDetails', id=video_id)
series = try_get(media_info, lambda x: x['Series'], dict) or {}
series_info = {
'age_limit': parse_age_limit(series.get('AgeRating', series.get('IsAdultContent') and 18)),
'title': series.get('Title'),
'description': dict_get(series, ('ShortDescription', 'TinyDescription', )),
}
def gen_episode(m_info):
for episode_group in try_get(m_info, lambda x: x['EpisodeGroups'], list) or []:
episodes = try_get(episode_group, lambda x: x['Episodes'], list)
if not episodes:
continue
season_info = {
'season': episode_group.get('Title'),
'season_number': int_or_none(episode_group.get('SeasonNumber')),
}
for n, episode in enumerate(episodes, 1):
codename = try_get(episode, lambda x: x['Codename'], compat_str)
title = episode.get('Title')
if not codename and title and episode.get('HasPlayableStream', True):
continue
info = {
'_type': 'url_transparent',
'thumbnail': url_or_none(try_get(episode, lambda x: x['Image']['Url'])),
'id': codename,
'episode_id': episode.get('Id'),
'title': title,
'alt_title': episode.get('Subtitle'),
'description': episode.get('ShortDescription'),
'timestamp': parse_iso8601(episode.get('PublishDate')),
'episode_number': n,
'age_limit': parse_age_limit(episode.get('AgeRating', episode.get('IsAdultContent') and 18)) or series_info.get('age_limit'),
'url': 'ertflix:%s' % (codename, ),
}
info.update(season_info)
yield info
result = self.playlist_result((e for e in gen_episode(media_info)), playlist_id=video_id)
result.update(series_info)
return result
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
if video_id.startswith('ser'):
return self._extract_series(video_id)
video_id = self._search_regex(
r'"codenameToId"\s*:\s*\{\s*"([\w-]+)"\s*:\s*"%s"' % (video_id, ),
webpage, video_id, default=False) or video_id
title = self._og_search_title(webpage)
formats = self._extract_formats(video_id, False)
return {
'id': video_id,
'title': title,
'description': self._og_search_description(webpage),
'thumbnail': self._og_search_thumbnail(webpage),
'formats': formats,
}

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@ -361,6 +361,10 @@ from .engadget import EngadgetIE
from .epidemicsound import EpidemicSoundIE from .epidemicsound import EpidemicSoundIE
from .eporner import EpornerIE from .eporner import EpornerIE
from .eroprofile import EroProfileIE from .eroprofile import EroProfileIE
from .ertgr import (
ERTFlixBaseIE,
ERTFlixIE,
)
from .escapist import EscapistIE from .escapist import EscapistIE
from .espn import ( from .espn import (
ESPNIE, ESPNIE,

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@ -1659,17 +1659,46 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_n_function_name(self, jscode): def _extract_n_function_name(self, jscode):
func_name, idx = self._search_regex( func_name, idx = self._search_regex(
# new: (b=String.fromCharCode(110),c=a.get(b))&&c=nfunc[idx](c) # new: (b=String.fromCharCode(110),c=a.get(b))&&c=nfunc[idx](c)
# or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)s # or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)
# old: .get("n"))&&(b=nfunc[idx](b) # or: (PL(a),b=a.j.n||null)&&(b=nfunc[idx](b)
# older: .get("n"))&&(b=nfunc(b) # or: (b="nn"[+a.D],vL(a),c=a.j[b]||null)&&(c=narray[idx](c),a.set(b,c),narray.length||nfunc("")
# old: (b=a.get("n"))&&(b=nfunc[idx](b)(?P<c>[a-z])\s*=\s*[a-z]\s*
# older: (b=a.get("n"))&&(b=nfunc(b)
r'''(?x) r'''(?x)
(?:\(\s*(?P<b>[a-z])\s*=\s*(?: \((?:[\w$()\s]+,)*?\s* # (
(?P<b>[a-z])\s*=\s* # b=
(?:
(?: # expect ,c=a.get(b) (etc)
String\s*\.\s*fromCharCode\s*\(\s*110\s*\)| String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
"n+"\[\s*\+?s*[\w$.]+\s*] "n+"\[\s*\+?s*[\w$.]+\s*]
)\s*,(?P<c>[a-z])\s*=\s*[a-z]\s*)? )\s*(?:,[\w$()\s]+(?=,))*|
\.\s*get\s*\(\s*(?(b)(?P=b)|"n{1,2}")(?:\s*\)){2}\s*&&\s*\(\s*(?(c)(?P=c)|b)\s*=\s* (?P<old>[\w$]+) # a (old[er])
)\s*
(?(old)
# b.get("n")
(?:\.\s*[\w$]+\s*|\[\s*[\w$]+\s*]\s*)*?
(?:\.\s*n|\[\s*"n"\s*]|\.\s*get\s*\(\s*"n"\s*\))
| # ,c=a.get(b)
,\s*(?P<c>[a-z])\s*=\s*[a-z]\s*
(?:\.\s*[\w$]+\s*|\[\s*[\w$]+\s*]\s*)*?
(?:\[\s*(?P=b)\s*]|\.\s*get\s*\(\s*(?P=b)\s*\))
)
# interstitial junk
\s*(?:\|\|\s*null\s*)?(?:\)\s*)?&&\s*(?:\(\s*)?
(?(c)(?P=c)|(?P=b))\s*=\s* # [c|b]=
# nfunc|nfunc[idx]
(?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\) (?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\)
''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx')) ''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx'),
default=(None, None))
# thx bashonly: yt-dlp/yt-dlp/pull/10611
if not func_name:
self.report_warning('Falling back to generic n function search')
return self._search_regex(
r'''(?xs)
(?:(?<=[^\w$])|^) # instead of \b, which ignores $
(?P<name>(?!\d)[a-zA-Z\d_$]+)\s*=\s*function\((?!\d)[a-zA-Z\d_$]+\)
\s*\{(?:(?!};).)+?["']enhanced_except_
''', jscode, 'Initial JS player n function name', group='name')
if not idx: if not idx:
return func_name return func_name

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@ -925,9 +925,16 @@ class JSInterpreter(object):
obj.reverse() obj.reverse()
return obj return obj
elif member == 'slice': elif member == 'slice':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, (list, compat_str)), 'must be applied on a list or string')
assertion(len(argvals) == 1, 'takes exactly one argument') # From [1]:
return obj[argvals[0]:] # .slice() - like [:]
# .slice(n) - like [n:] (not [slice(n)]
# .slice(m, n) - like [m:n] or [slice(m, n)]
# [1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice
assertion(len(argvals) <= 2, 'takes between 0 and 2 arguments')
if len(argvals) < 2:
argvals += (None,)
return obj[slice(*argvals)]
elif member == 'splice': elif member == 'splice':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, list), 'must be applied on a list')
assertion(argvals, 'takes one or more arguments') assertion(argvals, 'takes one or more arguments')