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8 Commits

Author SHA1 Message Date
dirkf
a33d667d8c
Merge 0c1db866db into 4d05f84325 2024-06-27 06:34:31 +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
mk-pmb
0c1db866db [core] Add format selection criteria longside/shortside, and tests for both (#30737) 2024-05-16 03:00:43 +02:00
mk-pmb
ce031e9d18 [core] Empty format selection string means anything goes. 2024-05-16 02:54:15 +02:00
9 changed files with 221 additions and 27 deletions

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@ -0,0 +1,115 @@
#!/usr/bin/env python
# coding: utf-8
"""Tests module for longside/shortside format selector."""
from __future__ import unicode_literals
# Allow direct execution
if __name__ == '__main__':
import os
import sys
repo_dir = os.path.abspath(os.path.join(__file__, '../' * 3))
sys.path.insert(0, repo_dir)
import unittest
from youtube_dl.extractor import YoutubeIE
from test.test_YoutubeDL import YDL, TEST_URL, _make_result
default_common_video_properties = {
'url': TEST_URL,
}
def prepare_formats_info_dict(sizes, common={}):
"""Convert sizes (id, width, height) to info_dict."""
def make_one_format(size):
d = default_common_video_properties.copy()
(d['format_id'], d['width'], d['height']) = size
d.update(common)
return d
info_dict = _make_result([make_one_format(size) for size in sizes])
return info_dict
def pick_format_ids(sizes, criteria):
"""Check which size(s) match the criteria. Return their IDs."""
ydl = YDL({'format': criteria})
yie = YoutubeIE(ydl)
info_dict = prepare_formats_info_dict(sizes)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict.copy())
picked_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
return picked_ids
class TestFormatSelection(unittest.TestCase):
"""Tests class for longside/shortside format selector."""
def test_fmtsel_criteria_longside_shortside(self):
"""Find largest video within upper limits."""
# Feature request: https://github.com/ytdl-org/youtube-dl/issues/30737
crit = {'tendency': '', 'short': '', 'long': ''}
def verify_fmtsel(sizes, want):
crit_all = crit['tendency'] + crit['short'] + crit['long']
picked_ids = pick_format_ids(sizes, crit_all)
self.assertEqual(','.join(picked_ids), want)
sizes_h = [
('A', 256, 144,),
('B', 426, 240,),
('C', 640, 360,),
('D', 854, 480,),
]
sizes_v = [(id, h, w) for (id, w, h) in sizes_h]
self.assertEqual(sizes_v, [
# This list is non-authoritative, merely for readers' reference.
('A', 144, 256,),
('B', 240, 426,),
('C', 360, 640,),
('D', 480, 854,),
])
# def size_by_id(sizes, id):
# return next((s for s in sizes if s[0] == id))
def verify_all_shapes_same(expected_id):
verify_fmtsel(sizes_h, expected_id)
verify_fmtsel(sizes_v, expected_id)
# First, test with no criteria (still empty from initialization above):
verify_fmtsel(sizes_h, 'A')
crit['tendency'] = 'best'
verify_all_shapes_same('D')
crit['long'] = '[longside<=720]'
verify_all_shapes_same('C')
crit['long'] = '[longside<=420]'
verify_all_shapes_same('A')
def shortside_group_1(long, best):
crit['long'] = long
crit['short'] = '[shortside<=720]'
verify_all_shapes_same(best)
crit['short'] = '[shortside<=420]'
verify_all_shapes_same('C')
crit['short'] = '[shortside<=360]'
verify_all_shapes_same('C')
crit['short'] = '[shortside<360]'
verify_all_shapes_same('B')
shortside_group_1(long='', best='D')
shortside_group_1(long='[longside<=720]', best='C')
if __name__ == '__main__':
unittest.main()

View File

@ -136,6 +136,11 @@ class TestFormatSelection(unittest.TestCase):
]
info_dict = _make_result(formats)
ydl = YDL({'format': ''}) # no criteria => anything goes
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '35')
ydl = YDL({'format': '20/47'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]

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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):

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@ -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

@ -345,6 +345,7 @@ class YoutubeDL(object):
'duration', 'view_count', 'like_count', 'dislike_count', 'repost_count',
'average_rating', 'comment_count', 'age_limit',
'start_time', 'end_time',
'longside', 'shortside',
'chapter_number', 'season_number', 'episode_number',
'track_number', 'disc_number', 'release_year',
'playlist_index',
@ -1211,7 +1212,7 @@ class YoutubeDL(object):
'!=': operator.ne,
}
operator_rex = re.compile(r'''(?x)\s*
(?P<key>width|height|tbr|abr|vbr|asr|filesize|filesize_approx|fps)
(?P<key>width|height|shortside|longside|tbr|abr|vbr|asr|filesize|filesize_approx|fps)
\s*(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
(?P<value>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)
$
@ -1293,6 +1294,9 @@ class YoutubeDL(object):
'{0}\n\t{1}\n\t{2}^'.format(note, format_spec, ' ' * start[1]))
return SyntaxError(message)
if not format_spec:
format_spec = 'worst'
PICKFIRST = 'PICKFIRST'
MERGE = 'MERGE'
SINGLE = 'SINGLE'
@ -1499,6 +1503,8 @@ class YoutubeDL(object):
formats_info[1].get('format_id')),
'width': formats_info[0].get('width'),
'height': formats_info[0].get('height'),
'longside': formats_info[0].get('longside'),
'shortside': formats_info[0].get('shortside'),
'resolution': formats_info[0].get('resolution'),
'fps': formats_info[0].get('fps'),
'vcodec': formats_info[0].get('vcodec'),
@ -1650,6 +1656,17 @@ class YoutubeDL(object):
sanitize_string_field(info_dict, 'id')
sanitize_numeric_fields(info_dict)
def add_calculated_video_proprties(fmt):
if type(fmt) is not dict: return
dims = [fmt.get(side) for side in ('width', 'height',)]
dims = [n for n in dims if n is not None]
if len(dims):
fmt['shortside'] = min(iter(dims))
fmt['longside'] = max(iter(dims))
for fmt in [info_dict] + (info_dict.get('formats') or []):
add_calculated_video_proprties(fmt)
if 'playlist' not in info_dict:
# It isn't part of a playlist
info_dict['playlist'] = None

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

@ -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: