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7 Commits

Author SHA1 Message Date
dirkf
5ea8f9b5cb
Merge fad516e22e into 4d05f84325 2024-06-27 06:36:50 +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
Lesmiscore
fad516e22e [Tver] Fix extractor
yt-dlp PR https://github.com/yt-dlp/yt-dlp/pull/3268

    Back-port to yt-dl
    Fix tests

    Co-authored-by: dirkf
2022-04-04 11:04:18 +01:00
7 changed files with 287 additions and 59 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

@ -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,
)
@ -109,7 +109,7 @@ class PalcoMP3ArtistIE(PalcoMP3BaseIE):
}
name'''
@ classmethod
@classmethod
def suitable(cls, url):
return False if re.match(PalcoMP3IE._VALID_URL, url) else super(PalcoMP3ArtistIE, cls).suitable(url)
@ -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

@ -4,58 +4,229 @@ from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..compat import compat_str
from ..utils import (
int_or_none,
remove_start,
smuggle_url,
try_get,
from ..compat import (
compat_kwargs,
compat_str,
)
from ..utils import (
ExtractorError,
int_or_none,
smuggle_url,
str_or_none,
)
try:
from ..utils import traverse_obj
except ImportError:
from ..compat import compat_collections_abc
def traverse_obj(obj, *path_list, **kw):
''' Traverse nested list/dict/tuple'''
# parameter defaults
default = kw.get('default')
expected_type = kw.get('expected_type')
get_all = kw.get('get_all', True)
casesense = kw.get('casesense', True)
is_user_input = kw.get('is_user_input', False)
traverse_string = kw.get('traverse_string', False)
def variadic(x, allowed_types=(compat_str, bytes)):
return x if isinstance(x, compat_collections_abc.Iterable) and not isinstance(x, allowed_types) else (x,)
def listish(l):
return isinstance(l, (list, tuple))
def from_iterable(iterables):
# chain.from_iterable(['ABC', 'DEF']) --> A B C D E F
for it in iterables:
for element in it:
yield element
class Nonlocal:
pass
nl = Nonlocal()
if not casesense:
_lower = lambda k: (k.lower() if isinstance(k, compat_str) else k)
path_list = (map(_lower, variadic(path)) for path in path_list)
def _traverse_obj(obj, path, _current_depth=0):
path = tuple(variadic(path))
for i, key in enumerate(path):
if obj is None:
return None
if listish(key):
obj = [_traverse_obj(obj, sub_key, _current_depth) for sub_key in key]
key = Ellipsis
if key is Ellipsis:
obj = (obj.values() if isinstance(obj, dict)
else obj if listish(obj)
else compat_str(obj) if traverse_string else [])
_current_depth += 1
nl.depth = max(nl.depth, _current_depth)
return [_traverse_obj(inner_obj, path[i + 1:], _current_depth) for inner_obj in obj]
elif callable(key):
if listish(obj):
obj = enumerate(obj)
elif isinstance(obj, dict):
obj = obj.items()
else:
if not traverse_string:
return None
obj = str(obj)
_current_depth += 1
nl.depth = max(nl.depth, _current_depth)
return [_traverse_obj(v, path[i + 1:], _current_depth) for k, v in obj if key(k)]
elif isinstance(obj, dict) and not (is_user_input and key == ':'):
obj = (obj.get(key) if casesense or (key in obj)
else next((v for k, v in obj.items() if _lower(k) == key), None))
else:
if is_user_input:
key = (int_or_none(key) if ':' not in key
else slice(*map(int_or_none, key.split(':'))))
if key == slice(None):
return _traverse_obj(obj, tuple([Ellipsis] + list(path[i + 1:])), _current_depth)
if not isinstance(key, (int, slice)):
return None
if not listish(obj):
if not traverse_string:
return None
obj = compat_str(obj)
try:
obj = obj[key]
except IndexError:
return None
return obj
if isinstance(expected_type, type):
type_test = lambda val: val if isinstance(val, expected_type) else None
elif expected_type is not None:
type_test = expected_type
else:
type_test = lambda val: val
for path in path_list:
nl.depth = 0
val = _traverse_obj(obj, path)
if val is not None:
if nl.depth:
for _ in range(nl.depth - 1):
val = from_iterable(v for v in val if v is not None)
val = [v for v in map(type_test, val) if v is not None]
if val:
return val if get_all else val[0]
else:
val = type_test(val)
if val is not None:
return val
return default
class TVerIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?tver\.jp/(?P<path>(?:corner|episode|feature)/(?P<id>f?\d+))'
_VALID_URL = r'https?://(?:www\.)?tver\.jp/(?:(?P<type>lp|corner|series|episodes?|feature|tokyo2020/video)/)+(?P<id>[a-zA-Z0-9]+)'
# videos are only available for 7 days
_TESTS = [{
'url': 'https://tver.jp/corner/f0062178',
'skip': 'videos are only available for 7 days',
'url': 'https://tver.jp/episodes/ephss8yveb',
'info_dict': {
'id': 'ref:af03de03-21ac-4b98-a53b-9ffd9b102e92',
'ext': 'mp4',
'title': '#44 料理と値段と店主にびっくり オモてなしすぎウマい店 2時間SP',
'description': 'md5:66985373a66fed8ad3cd595a3cfebb13',
'upload_date': '20220329',
'uploader_id': '4394098882001',
'timestamp': 1648527032,
},
'add_ie': ['BrightcoveNew'],
}, {
'skip': 'videos are only available for 7 days',
'url': 'https://tver.jp/lp/episodes/ep6f16g26p',
'info_dict': {
'id': '6302378806001',
'ext': 'mp4',
# "April 11 (Mon) 23:06-Broadcast scheduled": sorry but this is "correct"
'title': '4月11日(月)23時06分 ~ 放送予定',
'description': 'md5:4029cc5f4b1e8090dfc5b7bd2bc5cd0b',
'upload_date': '20220331',
'uploader_id': '3971130137001',
'timestamp': 1648696456,
},
'add_ie': ['BrightcoveNew'],
}, {
'url': 'https://tver.jp/corner/f0103888',
'only_matching': True,
}, {
'url': 'https://tver.jp/feature/f0062413',
'only_matching': True,
}, {
'url': 'https://tver.jp/episode/79622438',
'only_matching': True,
}, {
# subtitle = ' '
'url': 'https://tver.jp/corner/f0068870',
'url': 'https://tver.jp/lp/f0033031',
'only_matching': True,
}]
_TOKEN = None
BRIGHTCOVE_URL_TEMPLATE = 'http://players.brightcove.net/%s/default_default/index.html?videoId=%s'
_PLATFORM_UID = None
_PLATFORM_TOKEN = None
def _download_json(self, url_or_request, video_id, **kwargs):
headers = {
'Origin': 'https://s.tver.jp',
'Referer': 'https://s.tver.jp/',
}
headers.update(kwargs.get('headers', {}))
kwargs.update(compat_kwargs({'headers': headers, }))
return super(TVerIE, self)._download_json(url_or_request, video_id, **kwargs)
def _real_initialize(self):
self._TOKEN = self._download_json(
'https://tver.jp/api/access_token.php', None)['token']
create_response = self._download_json(
'https://platform-api.tver.jp/v2/api/platform_users/browser/create', None,
note='Creating session', data=b'device_type=pc', headers={
'Content-Type': 'application/x-www-form-urlencoded',
})
self._PLATFORM_UID = traverse_obj(create_response, ('result', 'platform_uid'), expected_type=compat_str)
self._PLATFORM_TOKEN = traverse_obj(create_response, ('result', 'platform_token'), expected_type=compat_str)
def _real_extract(self, url):
path, video_id = re.match(self._VALID_URL, url).groups()
main = self._download_json(
'https://api.tver.jp/v4/' + path, video_id,
query={'token': self._TOKEN})['main']
p_id = main['publisher_id']
service = remove_start(main['service'], 'ts_')
video_id = self._match_id(url)
r_id = main['reference_id']
if service not in ('tx', 'russia2018', 'sebare2018live', 'gorin'):
video_id, video_type = re.match(self._VALID_URL, url).group('id', 'type')
if video_type not in ('episode', 'episodes', 'series'):
webpage = self._download_webpage(url, video_id, note='Resolving to new URL')
video_id = self._match_id(self._search_regex(
(r'''canonical['"]\s+href\s*=\s*(?P<q>'|")(?P<url>https?://tver\.jp/(?!(?P=q)).+?)(?P=q)''',
r'&link=(?P<url>https?://tver\.jp/(?!(?P=q)).+?)[?&]'),
webpage, 'url regex', group='url'))
video_info = self._download_json(
'https://statics.tver.jp/content/episode/{0}.json'.format(video_id), video_id,
query={'v': '5'})
p_id = traverse_obj(video_info, ('video', 'accountID'), expected_type=compat_str)
r_id = traverse_obj(video_info, ('video', ('videoRefID', 'videoID')), get_all=False, expected_type=compat_str)
if None in (p_id, r_id):
raise ExtractorError(
'Failed to extract '
+ ', '.join(
(x[0] for x in (('accountID', p_id), ('videoRefID', r_id), )
if x[1] is None)),
expected=False)
if not r_id.isdigit():
r_id = 'ref:' + r_id
bc_url = smuggle_url(
self.BRIGHTCOVE_URL_TEMPLATE % (p_id, r_id),
{'geo_countries': ['JP']})
additional_info = self._download_json(
'https://platform-api.tver.jp/service/api/v1/callEpisode/{0}?require_data=mylist,later[epefy106ur],good[epefy106ur],resume[epefy106ur]'.format(video_id),
video_id, fatal=False,
query={
'platform_uid': self._PLATFORM_UID,
'platform_token': self._PLATFORM_TOKEN,
}, headers={
'x-tver-platform-type': 'web'
})
return {
'_type': 'url_transparent',
'description': try_get(main, lambda x: x['note'][0]['text'], compat_str),
'episode_number': int_or_none(try_get(main, lambda x: x['ext']['episode_number'])),
'url': bc_url,
'title': str_or_none(video_info.get('title')),
'description': str_or_none(video_info.get('description')),
'url': smuggle_url(
self.BRIGHTCOVE_URL_TEMPLATE % (p_id, r_id), {'geo_countries': ['JP']}),
'series': traverse_obj(
additional_info, ('result', ('episode', 'series'), 'content', ('seriesTitle', 'title')),
get_all=False, expected_type=compat_str),
'ie_key': 'BrightcoveNew',
}

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(
# Ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence
_SC_OPERATORS, _LOG_OPERATORS, _COMP_OPERATORS, _OPERATORS)
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))
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
@ -760,18 +799,28 @@ 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
right_expr = None
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:
continue
@ -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: