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8 Commits

Author SHA1 Message Date
unkernet
b6816c645a
Merge 2d72ef66d5 into 4d05f84325 2024-06-27 06:36:54 +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
unkernet
2d72ef66d5 [soundcloud] Fix Soundcloud test case 2023-07-08 13:52:45 +07:00
unkernet
6052f26992 [soundcloud] Download Soundcloud GO+ high quality streams and private playlists 2023-07-08 13:51:32 +07:00
7 changed files with 94 additions and 29 deletions

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@ -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

@ -233,8 +233,8 @@ class SoundcloudIE(InfoExtractor):
'id': '583011102',
'ext': 'mp3',
'title': 'Mezzo Valzer',
'description': 'md5:4138d582f81866a530317bae316e8b61',
'uploader': 'Micronie',
'description': 'md5:8de664f12895716c8ac6f1da6348eb8e',
'uploader': 'Giovanni Sarani',
'uploader_id': '3352531',
'timestamp': 1551394171,
'upload_date': '20190228',
@ -293,6 +293,11 @@ class SoundcloudIE(InfoExtractor):
if non_fatal:
del kwargs['fatal']
query = kwargs.get('query', {}).copy()
oauth_token = self._get_cookies(self._BASE_URL).get('oauth_token')
if oauth_token:
if not kwargs.get('headers'):
kwargs['headers'] = {}
kwargs['headers']['authorization'] = 'OAuth ' + oauth_token.value
for _ in range(2):
query['client_id'] = self._CLIENT_ID
kwargs['query'] = query
@ -319,6 +324,7 @@ class SoundcloudIE(InfoExtractor):
track_id = compat_str(info['id'])
title = info['title']
duration = info.get('duration')
format_urls = set()
formats = []
query = {'client_id': self._CLIENT_ID}
@ -335,12 +341,14 @@ class SoundcloudIE(InfoExtractor):
if urlh:
format_url = urlh.geturl()
format_urls.add(format_url)
filesize = int_or_none(urlh.headers.get('Content-Length'))
formats.append({
'format_id': 'download',
'ext': urlhandle_detect_ext(urlh) or 'mp3',
'filesize': int_or_none(urlh.headers.get('Content-Length')),
'filesize': filesize,
'url': format_url,
'preference': 10,
'abr': (filesize and duration) and (filesize / duration * 8),
})
def invalid_url(url):

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: