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9 Commits

Author SHA1 Message Date
Fabian Fröhlich
ebbc66000e
Merge 1204472ade into 4d05f84325 2024-06-27 06:34:54 +08:00
dirkf
4d05f84325 [PalcoMP3] Conform to new linter rule
* no space after @ in decorator
2024-06-20 20:03:49 +01:00
dirkf
e0094e63c3 [jsinterp] Various tweaks
* treat Infinity like NaN
* cache operator list
2024-06-20 20:03:49 +01:00
dirkf
fd8242e3ef [jsinterp] Fix and improve expression parsing
* improve BODMAS (fixes https://github.com/ytdl-org/youtube-dl/issues/32815)
* support more weird expressions with multiple unary ops
2024-06-20 20:03:49 +01:00
dirkf
ad01fa6cca [jsinterp] Add Debugger from yt-dlp
* https://github.com/yt-dlp/yt-dlp/commit/8f53dc4
* thx pukkandan
2024-06-20 20:03:49 +01:00
dirkf
2eac0fa379 [utils] Save orig_msg in ExtractorError 2024-06-20 20:03:49 +01:00
f-froehlich
1204472ade tests 2024-01-09 22:38:30 +01:00
f-froehlich
a1466c4996 tests 2024-01-09 21:42:28 +01:00
f-froehlich
5c76372835 Fixing ARD download extractor 2024-01-09 21:37:28 +01:00
7 changed files with 259 additions and 84 deletions

View File

@ -577,9 +577,11 @@ class TestJSInterpreter(unittest.TestCase):
def test_unary_operators(self):
jsi = JSInterpreter('function f(){return 2 - - - 2;}')
self.assertEqual(jsi.call_function('f'), 0)
# fails
# jsi = JSInterpreter('function f(){return 2 + - + - - 2;}')
# self.assertEqual(jsi.call_function('f'), 0)
jsi = JSInterpreter('function f(){return 2 + - + - - 2;}')
self.assertEqual(jsi.call_function('f'), 0)
# https://github.com/ytdl-org/youtube-dl/issues/32815
jsi = JSInterpreter('function f(){return 0 - 7 * - 6;}')
self.assertEqual(jsi.call_function('f'), 42)
""" # fails so far
def test_packed(self):

View File

@ -158,6 +158,10 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/b7910ca8/player_ias.vflset/en_US/base.js',
'_hXMCwMt9qE310D', 'LoZMgkkofRMCZQ',
),
(
'https://www.youtube.com/s/player/590f65a6/player_ias.vflset/en_US/base.js',
'1tm7-g_A9zsI8_Lay_', 'xI4Vem4Put_rOg',
),
]

View File

@ -359,7 +359,9 @@ class ARDIE(InfoExtractor):
class ARDBetaMediathekIE(ARDMediathekBaseIE):
_VALID_URL = r'https://(?:(?:beta|www)\.)?ardmediathek\.de/(?:[^/]+/)?(?:player|live|video)/(?:[^/]+/)*(?P<id>Y3JpZDovL[a-zA-Z0-9]+)'
_VALID_URL = r'https://(?:(?:beta|www)\.)?ardmediathek\.de/(((?:[^/]+/)?(?:player|live|video|serie|sendung)/(?:[^/]+/)*(?P<id>Y3JpZDovL[a-zA-Z0-9]+))|(((?P<sender>[a-zA-Z0-9\-]+)([/]))?(?P<name>[a-zA-Z0-9\-]+)))'
_TESTS = [{
'url': 'https://www.ardmediathek.de/mdr/video/die-robuste-roswita/Y3JpZDovL21kci5kZS9iZWl0cmFnL2Ntcy84MWMxN2MzZC0wMjkxLTRmMzUtODk4ZS0wYzhlOWQxODE2NGI/',
'md5': 'a1dc75a39c61601b980648f7c9f9f71d',
@ -395,73 +397,189 @@ class ARDBetaMediathekIE(ARDMediathekBaseIE):
}, {
'url': 'https://www.ardmediathek.de/ard/player/Y3JpZDovL3dkci5kZS9CZWl0cmFnLWQ2NDJjYWEzLTMwZWYtNGI4NS1iMTI2LTU1N2UxYTcxOGIzOQ/tatort-duo-koeln-leipzig-ihr-kinderlein-kommet',
'only_matching': True,
}, {
'url': 'https://ardmediathek.de/sendung/saartalk/saartalk-gesellschaftsgift-haltung-gegen-hass/sr-fernsehen/Y3JpZDovL3NyLW9ubGluZS5kZS9TVF84MTY4MA/',
'only_matching': True,
}, {
'url': 'https://ardmediathek.de/serie/saartalk/saartalk-gesellschaftsgift-haltung-gegen-hass/sr-fernsehen/Y3JpZDovL3NyLW9ubGluZS5kZS9TVF84MTY4MA/',
'only_matching': True,
}, {
'url': 'https://www.ardmediathek.de/br/dahoam-is-dahoam',
'only_matching': True,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
video_name = self._match_id(url, group_name='name')
sender = self._match_id(url, group_name='sender')
if '/serie/' in url or '/sendung/' in url:
return self._real_extract_serie(video_id)
elif 'none' != video_name.lower():
return self._real_extract_named_serie(video_name, sender if 'none' != sender.lower() else "ard")
else:
return self._real_extract_video(video_id)
def _real_extract_video(self, video_id):
player_page = self._download_json(
'https://api.ardmediathek.de/public-gateway',
video_id, data=json.dumps({
'query': '''{
playerPage(client: "ard", clipId: "%s") {
blockedByFsk
broadcastedOn
maturityContentRating
mediaCollection {
_duration
_geoblocked
_isLive
_mediaArray {
_mediaStreamArray {
_quality
_server
_stream
}
}
_previewImage
_subtitleUrl
_type
}
show {
title
}
synopsis
title
tracking {
atiCustomVars {
contentId
}
}
}
}''' % video_id,
}).encode(), headers={
'Content-Type': 'application/json'
})['data']['playerPage']
f'https://api.ardmediathek.de/page-gateway/pages/ard/item/{video_id}',
video_id
)
title = player_page['title']
content_id = str_or_none(try_get(
player_page, lambda x: x['tracking']['atiCustomVars']['contentId']))
media_collection = player_page.get('mediaCollection') or {}
content_id = str_or_none(
try_get(
player_page, lambda x: x['tracking']['atiCustomVars']['contentId']
)
)
media_collection = player_page['widgets'][0].get('mediaCollection') or {}
if not media_collection and content_id:
media_collection = self._download_json(
'https://www.ardmediathek.de/play/media/' + content_id,
content_id, fatal=False) or {}
content_id, fatal=False
) or {}
info = self._parse_media_info(
media_collection, content_id or video_id,
player_page.get('blockedByFsk'))
media_collection['embedded'], content_id or video_id,
player_page['widgets'][0].get('blockedByFsk')
)
age_limit = None
description = player_page.get('synopsis')
maturity_content_rating = player_page.get('maturityContentRating')
description = player_page['widgets'][0].get('synopsis')
maturity_content_rating = player_page['widgets'][0].get('maturityContentRating')
if maturity_content_rating:
age_limit = int_or_none(maturity_content_rating.lstrip('FSK'))
if not age_limit and description:
age_limit = int_or_none(self._search_regex(
r'\(FSK\s*(\d+)\)\s*$', description, 'age limit', default=None))
info.update({
age_limit = int_or_none(
self._search_regex(
r'\(FSK\s*(\d+)\)\s*$', description, 'age limit', default=None
)
)
session_episode_match = re.search(r"\(S(\d+)/E(\d+)\)", title)
episode_match = re.search(r"\((\d+)\)", title)
episode_name_match = re.search(r"(Folge\s\d+)", title)
if session_episode_match:
season_number = session_episode_match.group(1)
episode_number = session_episode_match.group(2)
alt_title = re.sub(r"\(S\d+/E\d+\)", "", title)
alt_title = re.sub(r"(Folge \d+(\:|\s\-))", "", alt_title)
alt_title = alt_title.replace("|", "").replace(" ", " ").replace(" .", "").strip()
info.update(
{
'season_number': int(season_number),
'episode_number': int(episode_number),
'alt_title': alt_title
}
)
elif episode_name_match:
episode_number = episode_name_match.group(1).replace("Folge ", "")
alt_title = re.sub(r"(Folge\s\d+)", "", title)
alt_title = alt_title.replace("|", "").replace(" ", " ").replace(" .", "").strip()
info.update(
{
'season_number': int(0),
'episode_number': int(episode_number),
'alt_title': alt_title
}
)
elif episode_match:
episode_number = episode_match.group(1)
info.update(
{
'season_number': int(0),
'episode_number': int(episode_number),
'alt_title':re.sub(r"\(\d+\)", "", title).replace(" ", "").strip()
}
)
else:
info.update(
{
'alt_title': title
}
)
info.update(
{
'age_limit': age_limit,
'title': title,
'description': description,
'timestamp': unified_timestamp(player_page.get('broadcastedOn')),
'series': try_get(player_page, lambda x: x['show']['title']),
})
'timestamp': unified_timestamp(player_page['widgets'][0].get('broadcastedOn')),
'series': try_get(player_page['widgets'][0], lambda x: x['show']['title']),
'channel': player_page['widgets'][0]['publicationService']['name'],
'channel_id': player_page['widgets'][0]['publicationService']['id'],
'channel_url': f"https://www.ardmediathek.de/{player_page['widgets'][0]['publicationService']['id']}",
}
)
return info
def _real_extract_serie(self, video_id):
entries = []
page_number = 0
page_size = 100
while True:
widgets = self._download_json(
f'https://api.ardmediathek.de/page-gateway/widgets/ard/asset/{video_id}',
video_id,
query={'pageSize':str(page_size), 'pageNumber':page_number}
)
for teaser in widgets['teasers']:
if 'EPISODE' == teaser['coreAssetType']:
item = self._real_extract_video(teaser['id'])
item['webpage_url'] = f"https://www.ardmediathek.de/video/{teaser['id']}"
entries.append(item)
total = widgets['pagination']['totalElements']
if (page_number + 1) * page_size > total:
break
page_number += 1
return self.playlist_result(entries)
def _real_extract_named_serie(self, video_id, sender):
entries = []
page_size = 100
widgets = self._download_json(
f'https://api.ardmediathek.de/page-gateway/pages/{sender}/editorial/{video_id}',
video_id,
query={'pageSize': str(10), 'pageNumber': 0}
)['widgets']
for widget in widgets:
widget_id = widget['id']
page_number = 0
while True:
page_data = self._download_json(
f'https://api.ardmediathek.de/page-gateway/widgets/{sender}/editorials/{widget_id}',
video_id,
query={'pageSize': page_size, 'pageNumber': page_number}
)
for teaser in page_data['teasers']:
if 'EPISODE' == teaser.get('coreAssetType', None) and teaser['type'] not in ['poster'] and ':' not in teaser['id']:
item = self._real_extract_video(teaser['id'])
item['webpage_url'] = f"https://www.ardmediathek.de/video/{teaser['id']}"
entries.append(item)
total = page_data['pagination']['totalElements']
if (page_number + 1) * page_size > total:
break
page_number += 1
return self.playlist_result(entries)

View File

@ -454,10 +454,10 @@ class InfoExtractor(object):
return cls.__match_valid_url(url) is not None
@classmethod
def _match_id(cls, url):
def _match_id(cls, url, group_name = 'id'):
m = cls.__match_valid_url(url)
assert m
return compat_str(m.group('id'))
return compat_str(m.group(group_name))
@classmethod
def working(cls):
@ -3033,7 +3033,6 @@ class InfoExtractor(object):
transform_source=transform_source, default=None)
def _extract_jwplayer_data(self, webpage, video_id, *args, **kwargs):
# allow passing `transform_source` through to _find_jwplayer_data()
transform_source = kwargs.pop('transform_source', None)
kwfind = compat_kwargs({'transform_source': transform_source}) if transform_source else {}

View File

@ -8,7 +8,7 @@ from ..compat import compat_str
from ..utils import (
int_or_none,
str_or_none,
try_get,
traverse_obj,
)
@ -118,7 +118,8 @@ class PalcoMP3ArtistIE(PalcoMP3BaseIE):
artist = self._call_api(artist_slug, self._ARTIST_FIELDS_TMPL)['artist']
def entries():
for music in (try_get(artist, lambda x: x['musics']['nodes'], list) or []):
for music in traverse_obj(artist, (
'musics', 'nodes', lambda _, m: m['musicID'])):
yield self._parse_music(music)
return self.playlist_result(
@ -137,7 +138,7 @@ class PalcoMP3VideoIE(PalcoMP3BaseIE):
'title': 'Maiara e Maraisa - Você Faz Falta Aqui - DVD Ao Vivo Em Campo Grande',
'description': 'md5:7043342c09a224598e93546e98e49282',
'upload_date': '20161107',
'uploader_id': 'maiaramaraisaoficial',
'uploader_id': '@maiaramaraisaoficial',
'uploader': 'Maiara e Maraisa',
}
}]

View File

@ -14,6 +14,7 @@ from .utils import (
remove_quotes,
unified_timestamp,
variadic,
write_string,
)
from .compat import (
compat_basestring,
@ -53,15 +54,16 @@ def wraps_op(op):
# NB In principle NaN cannot be checked by membership.
# Here all NaN values are actually this one, so _NaN is _NaN,
# although _NaN != _NaN.
# although _NaN != _NaN. Ditto Infinity.
_NaN = float('nan')
_Infinity = float('inf')
def _js_bit_op(op):
def zeroise(x):
return 0 if x in (None, JS_Undefined, _NaN) else x
return 0 if x in (None, JS_Undefined, _NaN, _Infinity) else x
@wraps_op(op)
def wrapped(a, b):
@ -84,7 +86,7 @@ def _js_arith_op(op):
def _js_div(a, b):
if JS_Undefined in (a, b) or not (a or b):
return _NaN
return operator.truediv(a or 0, b) if b else float('inf')
return operator.truediv(a or 0, b) if b else _Infinity
def _js_mod(a, b):
@ -220,6 +222,42 @@ class LocalNameSpace(ChainMap):
return 'LocalNameSpace%s' % (self.maps, )
class Debugger(object):
ENABLED = False
@staticmethod
def write(*args, **kwargs):
level = kwargs.get('level', 100)
def truncate_string(s, left, right=0):
if s is None or len(s) <= left + right:
return s
return '...'.join((s[:left - 3], s[-right:] if right else ''))
write_string('[debug] JS: {0}{1}\n'.format(
' ' * (100 - level),
' '.join(truncate_string(compat_str(x), 50, 50) for x in args)))
@classmethod
def wrap_interpreter(cls, f):
def interpret_statement(self, stmt, local_vars, allow_recursion, *args, **kwargs):
if cls.ENABLED and stmt.strip():
cls.write(stmt, level=allow_recursion)
try:
ret, should_ret = f(self, stmt, local_vars, allow_recursion, *args, **kwargs)
except Exception as e:
if cls.ENABLED:
if isinstance(e, ExtractorError):
e = e.orig_msg
cls.write('=> Raises:', e, '<-|', stmt, level=allow_recursion)
raise
if cls.ENABLED and stmt.strip():
if should_ret or not repr(ret) == stmt:
cls.write(['->', '=>'][should_ret], repr(ret), '<-|', stmt, level=allow_recursion)
return ret, should_ret
return interpret_statement
class JSInterpreter(object):
__named_object_counter = 0
@ -307,8 +345,7 @@ class JSInterpreter(object):
def __op_chars(cls):
op_chars = set(';,[')
for op in cls._all_operators():
for c in op[0]:
op_chars.add(c)
op_chars.update(op[0])
return op_chars
def _named_object(self, namespace, obj):
@ -326,9 +363,8 @@ class JSInterpreter(object):
# collections.Counter() is ~10% slower in both 2.7 and 3.9
counters = dict((k, 0) for k in _MATCHING_PARENS.values())
start, splits, pos, delim_len = 0, 0, 0, len(delim) - 1
in_quote, escaping, skipping = None, False, 0
after_op, in_regex_char_group = True, False
in_quote, escaping, after_op, in_regex_char_group = None, False, True, False
skipping = 0
for idx, char in enumerate(expr):
paren_delta = 0
if not in_quote:
@ -382,10 +418,12 @@ class JSInterpreter(object):
return separated[0][1:].strip(), separated[1].strip()
@staticmethod
def _all_operators():
return itertools.chain(
def _all_operators(_cached=[]):
if not _cached:
_cached.extend(itertools.chain(
# Ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence
_SC_OPERATORS, _LOG_OPERATORS, _COMP_OPERATORS, _OPERATORS)
_SC_OPERATORS, _LOG_OPERATORS, _COMP_OPERATORS, _OPERATORS))
return _cached
def _operator(self, op, left_val, right_expr, expr, local_vars, allow_recursion):
if op in ('||', '&&'):
@ -416,7 +454,7 @@ class JSInterpreter(object):
except Exception as e:
if allow_undefined:
return JS_Undefined
raise self.Exception('Cannot get index {idx:.100}'.format(**locals()), expr=repr(obj), cause=e)
raise self.Exception('Cannot get index {idx!r:.100}'.format(**locals()), expr=repr(obj), cause=e)
def _dump(self, obj, namespace):
try:
@ -438,6 +476,7 @@ class JSInterpreter(object):
_FINALLY_RE = re.compile(r'finally\s*\{')
_SWITCH_RE = re.compile(r'switch\s*\(')
@Debugger.wrap_interpreter
def interpret_statement(self, stmt, local_vars, allow_recursion=100):
if allow_recursion < 0:
raise self.Exception('Recursion limit reached')
@ -511,7 +550,6 @@ class JSInterpreter(object):
expr = self._dump(inner, local_vars) + outer
if expr.startswith('('):
m = re.match(r'\((?P<d>[a-z])%(?P<e>[a-z])\.length\+(?P=e)\.length\)%(?P=e)\.length', expr)
if m:
# short-cut eval of frequently used `(d%e.length+e.length)%e.length`, worth ~6% on `pytest -k test_nsig`
@ -693,7 +731,7 @@ class JSInterpreter(object):
(?P<op>{_OPERATOR_RE})?
=(?!=)(?P<expr>.*)$
)|(?P<return>
(?!if|return|true|false|null|undefined)(?P<name>{_NAME_RE})$
(?!if|return|true|false|null|undefined|NaN|Infinity)(?P<name>{_NAME_RE})$
)|(?P<indexing>
(?P<in>{_NAME_RE})\[(?P<idx>.+)\]$
)|(?P<attribute>
@ -727,11 +765,12 @@ class JSInterpreter(object):
raise JS_Break()
elif expr == 'continue':
raise JS_Continue()
elif expr == 'undefined':
return JS_Undefined, should_return
elif expr == 'NaN':
return _NaN, should_return
elif expr == 'Infinity':
return _Infinity, should_return
elif md.get('return'):
return local_vars[m.group('name')], should_return
@ -760,17 +799,27 @@ class JSInterpreter(object):
right_expr = separated.pop()
# handle operators that are both unary and binary, minimal BODMAS
if op in ('+', '-'):
# simplify/adjust consecutive instances of these operators
undone = 0
while len(separated) > 1 and not separated[-1].strip():
undone += 1
separated.pop()
if op == '-' and undone % 2 != 0:
right_expr = op + right_expr
elif op == '+':
while len(separated) > 1 and separated[-1].strip() in self.OP_CHARS:
right_expr = separated.pop() + right_expr
# hanging op at end of left => unary + (strip) or - (push right)
left_val = separated[-1]
for dm_op in ('*', '%', '/', '**'):
bodmas = tuple(self._separate(left_val, dm_op, skip_delims=skip_delim))
if len(bodmas) > 1 and not bodmas[-1].strip():
expr = op.join(separated) + op + right_expr
if len(separated) > 1:
separated.pop()
right_expr = op.join((left_val, right_expr))
else:
separated = [op.join((left_val, right_expr))]
right_expr = None
break
if right_expr is None:
@ -797,6 +846,8 @@ class JSInterpreter(object):
def eval_method():
if (variable, member) == ('console', 'debug'):
if Debugger.ENABLED:
Debugger.write(self.interpret_expression('[{}]'.format(arg_str), local_vars, allow_recursion))
return
types = {
'String': compat_str,

View File

@ -2406,7 +2406,7 @@ class ExtractorError(YoutubeDLError):
""" tb, if given, is the original traceback (so that it can be printed out).
If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
"""
self.orig_msg = msg
if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
expected = True
if video_id is not None: