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https://github.com/ytdl-org/youtube-dl
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241dace6eb
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@ -425,6 +425,34 @@ class TestJSInterpreter(unittest.TestCase):
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self._test(jsi, [''], args=['', '-'])
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self._test(jsi, [], args=['', ''])
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def test_slice(self):
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice()}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
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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])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(5)}', [5, 6, 7, 8])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(99)}', [])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-2)}', [7, 8])
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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])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 0)}', [])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, 0)}', [])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 1)}', [0])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(3, 6)}', [3, 4, 5])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, -1)}', [1, 2, 3, 4, 5, 6, 7])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-1, 1)}', [])
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self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-3, -1)}', [6, 7])
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self._test('function f(){return "012345678".slice()}', '012345678')
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self._test('function f(){return "012345678".slice(0)}', '012345678')
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self._test('function f(){return "012345678".slice(5)}', '5678')
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self._test('function f(){return "012345678".slice(99)}', '')
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self._test('function f(){return "012345678".slice(-2)}', '78')
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self._test('function f(){return "012345678".slice(-99)}', '012345678')
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self._test('function f(){return "012345678".slice(0, 0)}', '')
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self._test('function f(){return "012345678".slice(1, 0)}', '')
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self._test('function f(){return "012345678".slice(0, 1)}', '0')
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self._test('function f(){return "012345678".slice(3, 6)}', '345')
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self._test('function f(){return "012345678".slice(1, -1)}', '1234567')
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self._test('function f(){return "012345678".slice(-1, 1)}', '')
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self._test('function f(){return "012345678".slice(-3, -1)}', '67')
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if __name__ == '__main__':
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unittest.main()
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@ -174,6 +174,14 @@ _NSIG_TESTS = [
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'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js',
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'7X-he4jjvMx7BCX', 'sViSydX8IHtdWA',
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),
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(
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'https://www.youtube.com/s/player/20dfca59/player_ias.vflset/en_US/base.js',
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'-fLCxedkAk4LUTK2', 'O8kfRq1y1eyHGw',
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),
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(
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'https://www.youtube.com/s/player/b12cc44b/player_ias.vflset/en_US/base.js',
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'keLa5R2U00sR9SQK', 'N1OGyujjEwMnLw',
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),
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]
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@ -1370,6 +1370,10 @@ class InfoExtractor(object):
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if isinstance(json_ld, dict):
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json_ld = [json_ld]
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def valued_dict(items):
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"""Return dict from dict or iterable of pairs omitting None values"""
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return dict((k, v) for k, v in (items.items() if isinstance(items, dict) else items) if v is not None)
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INTERACTION_TYPE_MAP = {
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'CommentAction': 'comment',
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'AgreeAction': 'like',
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@ -1461,19 +1465,25 @@ class InfoExtractor(object):
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part_of_series = e.get('partOfSeries') or e.get('partOfTVSeries')
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if isinstance(part_of_series, dict) and part_of_series.get('@type') in ('TVSeries', 'Series', 'CreativeWorkSeries'):
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info['series'] = unescapeHTML(part_of_series.get('name'))
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elif item_type == 'Movie':
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elif item_type in ('TVSeries', 'Series', 'CreativeWorkSeries'):
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series_name = unescapeHTML(e.get('name'))
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info.update({
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'series': series_name,
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})
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elif item_type == 'Movie':
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# here and in the next, don't erase existing value with None
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info.update(valued_dict({
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'title': unescapeHTML(e.get('name')),
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'description': unescapeHTML(e.get('description')),
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'duration': parse_duration(e.get('duration')),
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'timestamp': unified_timestamp(e.get('dateCreated')),
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})
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}))
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elif item_type in ('Article', 'NewsArticle'):
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info.update({
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info.update(valued_dict({
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'timestamp': parse_iso8601(e.get('datePublished')),
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'title': unescapeHTML(e.get('headline')),
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'description': unescapeHTML(e.get('articleBody')),
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})
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}))
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elif item_type == 'VideoObject':
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extract_video_object(e)
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if expected_type is None:
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@ -1487,7 +1497,7 @@ class InfoExtractor(object):
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continue
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else:
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break
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return dict((k, v) for k, v in info.items() if v is not None)
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return valued_dict(info)
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def _search_nextjs_data(self, webpage, video_id, **kw):
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# ..., *, transform_source=None, fatal=True, default=NO_DEFAULT
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@ -1325,6 +1325,10 @@ from .trovo import (
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TrovoIE,
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TrovoVodIE,
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)
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from .trt import (
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TRTIE,
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TRTLiveIE,
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)
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from .trunews import TruNewsIE
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from .trutv import TruTVIE
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from .tube8 import Tube8IE
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325
youtube_dl/extractor/trt.py
Normal file
325
youtube_dl/extractor/trt.py
Normal file
@ -0,0 +1,325 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import json
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import re
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import time
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from .common import InfoExtractor
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from ..compat import (
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compat_urlparse,
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)
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from ..utils import (
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determine_ext,
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dict_get,
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merge_dicts,
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parse_iso8601,
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strip_or_none,
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try_get,
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url_or_none,
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urljoin,
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)
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class TRTIE(InfoExtractor):
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IE_DESC = 'TRT (Turkish State TV) programs and series'
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_VALID_URL = r'''(?x)
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(?P<list>https?://(?:www\.)trtizle\.com/
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(?:diziler|programlar|belgesel|filmler|cocuk|trtarsiv|engelsiz)/
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(?P<show>[\w-]+))(?:/(?P<id>[\w-]+))?'''
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_TESTS = [{
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'url': 'https://www.trtizle.com/belgesel/dunya-tarihinin-donum-noktalari/dunya-tarihinin-donum-noktalari-1-bolum-125583',
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'md5': 'c46dc0b9b53ad372c4ac6b3982805f05',
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'info_dict': {
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'id': 'dunya-tarihinin-donum-noktalari-1-bolum-125583',
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'ext': 'mp4',
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'title': 'Dünya Tarihinin Dönüm Noktaları 1.Bölüm',
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'description': 'Bedelini insanların ödeyeceği bir imparatorluk çekişmesinde Persler, Yunanlara karşı...',
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'timestamp': 1617148800,
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'upload_date': '20210331',
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'thumbnail': r're:https?://.+\.jpe?g',
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'duration': float,
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'series': 'Dünya Tarihinin Dönüm Noktaları',
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},
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'params': {
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# adaptive download
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'skip_download': True,
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}
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}, {
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'url': 'https://www.trtizle.com/belgesel/dunya-tarihinin-donum-noktalari',
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'info_dict': {
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'id': 'dunya-tarihinin-donum-noktalari',
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'title': 'Dünya Tarihinin Dönüm Noktaları',
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},
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'playlist_mincount': 22,
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}, {
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'url': 'https://www.trtizle.com/diziler/yol-ayrimi/yol-ayrimi-1-bolum-5774583',
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'md5': '67ada6b2020b5dd0d3e24646b2725676',
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'info_dict': {
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'id': 'yol-ayrimi-1-bolum-5774583',
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'ext': 'mp4',
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'title': 'Yol Ayrımı 1.Bölüm',
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'description': 'Seyrisefain balosunda, herkes bir haberin akıbetini beklemektedir…',
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'timestamp': 1623888000,
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'upload_date': '20210617',
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'thumbnail': r're:https?://.+\.jpe?g',
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'duration': float,
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'series': 'Yol Ayrımı',
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},
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'params': {
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# adaptive download
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'skip_download': True,
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},
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}, {
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'url': 'https://www.trtizle.com/diziler/yol-ayrimi/',
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'info_dict': {
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'id': 'yol-ayrimi',
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'title': 'Yol Ayrımı',
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},
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'playlist_mincount': 5,
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}, {
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'url': 'https://www.trtizle.com/programlar/sade-saz/sade-saz-1-bolum-7646201',
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'md5': '8f416e64379ea4d1d3ea0a65dc922f5c',
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'info_dict': {
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'id': 'sade-saz-1-bolum-7646201',
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'ext': 'mp4',
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'title': 'Sade Saz 1.Bölüm',
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'description': 'Sade Saz’ın ilk bölümünün konuğu, tanbur icracısı K. Alper Uzkur.',
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'timestamp': 1641772800,
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'upload_date': '20220110',
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'thumbnail': r're:https?://.+\.jpe?g',
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'duration': float,
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'series': 'Sade Saz',
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},
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'params': {
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# adaptive download
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'skip_download': True,
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},
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}, {
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'url': 'https://www.trtizle.com/programlar/sade-saz',
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'info_dict': {
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'id': 'sade-saz',
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'title': 'Sade Saz',
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},
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'playlist_mincount': 6,
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}, {
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'url': 'https://www.trtizle.com/filmler/looking-for-eric/looking-for-eric-8414201',
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'md5': '833d61e4a10606d71b3903295cfa3c63',
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'info_dict': {
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'id': 'looking-for-eric-8414201',
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'ext': 'mp4',
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'title': 'Looking for Eric',
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'description': 'Postacı Eric\'in hayatı krize sürüklenirken gerçek ve hayal birbirine karışır...',
|
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'upload_date': '20220401',
|
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'timestamp': 1648771200,
|
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'thumbnail': r're:https?://.+\.jpe?g',
|
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'duration': float,
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||||
},
|
||||
'params': {
|
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# adaptive download
|
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'skip_download': True,
|
||||
},
|
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}, {
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'url': 'https://www.trtizle.com/cocuk/kaptan-pengu-ve-arkadaslari/kaptan-pengu-ve-arkadaslari-okul-aciliyor-6034815',
|
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'md5': '551c479d1a6bc7c538356907d4ea5d19',
|
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'info_dict': {
|
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'id': 'kaptan-pengu-ve-arkadaslari-okul-aciliyor-6034815',
|
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'ext': 'mp4',
|
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'title': 'Kaptan Pengu ve Arkadaşları 1.Bölüm',
|
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'description': 'Hayvanlar Konseyi\'nden Kaptan Pengu\'ya bir mektup vardır...',
|
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'timestamp': 1626134400,
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'upload_date': '20210713',
|
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'thumbnail': r're:https?://.+\.jpe?g',
|
||||
'duration': float,
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'series': 'Kaptan Pengu ve Arkadaşları',
|
||||
},
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'params': {
|
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# adaptive download
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'skip_download': True,
|
||||
},
|
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}, {
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'url': 'https://www.trtizle.com/cocuk/kaptan-pengu-ve-arkadaslari',
|
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'info_dict': {
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'id': 'kaptan-pengu-ve-arkadaslari',
|
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'title': 'Kaptan Pengu ve Arkadaşları',
|
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},
|
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'playlist_mincount': 41,
|
||||
},
|
||||
]
|
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def _extract_formats(self, fmt_url, video_id):
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formats = []
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ext = determine_ext(fmt_url)
|
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if ext == 'm3u8':
|
||||
formats.extend(self._extract_m3u8_formats(
|
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fmt_url, video_id, 'mp4', entry_protocol='m3u8_native',
|
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m3u8_id='hls', fatal=False))
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elif ext == 'mpd':
|
||||
formats.extend(self._extract_mpd_formats(
|
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fmt_url, video_id, mpd_id='dash', fatal=False))
|
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else:
|
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formats.append({
|
||||
'url': fmt_url,
|
||||
})
|
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return formats
|
||||
|
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def _extract_list(self, playlist_id, url):
|
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webpage = self._download_webpage(url, playlist_id)
|
||||
LIST_RE = (
|
||||
r'''<a\s[^>]*?\b%s\s*=\s*['"](%s(?:(?<=/)|/)[\w-]+)'''
|
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% ('data-path' if 'data-path' in webpage else 'href',
|
||||
re.escape(compat_urlparse.urlparse(url).path), ))
|
||||
|
||||
def entries():
|
||||
for item_url in re.finditer(LIST_RE, webpage):
|
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item_url = urljoin(url, item_url.group(1))
|
||||
yield self._extract_video(self._match_id(item_url), item_url)
|
||||
|
||||
series = self._search_json_ld(webpage, playlist_id, default={}, expected_type='TVSeries')
|
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return self.playlist_result(entries(), playlist_id, series.get('series'))
|
||||
|
||||
def _extract_video(self, video_id, url):
|
||||
webpage = self._download_webpage(url, video_id)
|
||||
result = self._search_json_ld(webpage, video_id, default={})
|
||||
result['id'] = video_id
|
||||
if 'title' not in result:
|
||||
result['title'] = (
|
||||
self._html_search_meta(('title', 'og:title', 'twitter:title'), webpage)
|
||||
or self._html_search_regex(r'<title\b[^>]*>([^<]+)</title\b', webpage, 'title'))
|
||||
fmt_url = result.get('url')
|
||||
formats = []
|
||||
if fmt_url:
|
||||
del result['url']
|
||||
formats = self._extract_formats(fmt_url, video_id)
|
||||
self._sort_formats(formats)
|
||||
result['formats'] = formats
|
||||
|
||||
return merge_dicts(
|
||||
result, {
|
||||
'description': self._html_search_meta(('description', 'og:description'), webpage, 'description'),
|
||||
'thumbnail': url_or_none(self._og_search_thumbnail(webpage)),
|
||||
})
|
||||
|
||||
def _real_extract(self, url):
|
||||
show_id, video_id, playlist_url = re.match(self._VALID_URL, url).group('show', 'id', 'list')
|
||||
# TODO: adapt --yes/no-playlist to make this work properly
|
||||
# if not video_id or self._downloader.params.get('noplaylist') is False:
|
||||
if not video_id:
|
||||
return self._extract_list(show_id, playlist_url)
|
||||
|
||||
return self._extract_video(video_id, url)
|
||||
|
||||
|
||||
class TRTLiveIE(TRTIE):
|
||||
IE_DESC = 'TRT (Turkish State TV and radio) live channels'
|
||||
_VALID_URL = r'https?://(?:www\.)?trtizle\.com/canli/(?:tv/trt-|radyo/(?:radyo-)?)(?P<id>[\w-]+)'
|
||||
_TESTS = [{
|
||||
'url': 'https://www.trtizle.com/canli/tv/trt-world',
|
||||
'info_dict': {
|
||||
'id': 'trtworld',
|
||||
'ext': 'mp4',
|
||||
'title': r're:TRT WORLD .+',
|
||||
'description': 'TRT World',
|
||||
'is_live': True,
|
||||
},
|
||||
'params': {
|
||||
# adaptive download
|
||||
'skip_download': True,
|
||||
}
|
||||
},
|
||||
]
|
||||
|
||||
def _real_extract(self, url):
|
||||
chan_id = self._match_id(url)
|
||||
webpage = self._download_webpage(url, chan_id)
|
||||
chan_id = self._search_regex(
|
||||
r'\blivePlayer\s*\.\s*openPlayer\s*\([^)]*?\btrt\.com\.tr/trtportal/(?:[^/]+/)+thumbnails/([\w-]+)\.(?:jp|png)',
|
||||
webpage, 'slug', fatal=False) or chan_id
|
||||
chan_url = self._search_regex(
|
||||
r'''\blivePlayerConfig\s*\.\s*baseEpgUrl\s*=\s*(?P<q>'|")(?P<url>https?://(?:(?!(?P=q)).)+)(?P=q)''',
|
||||
webpage, 'player config', group='url')
|
||||
chan_url = '%s%s.json' % (chan_url, chan_id)
|
||||
|
||||
def maybe_xml2json(src):
|
||||
"""Turn unexpected XML returned from an API URL into JSON"""
|
||||
m = re.match(r'''^\s*<\?xml\b(?:[^/>]*?\bencoding\s*=\s*['"](?P<enc>[\w-]+))?[^/>]*\?>\s*(?P<xml><.+>)$''', src)
|
||||
if m:
|
||||
|
||||
# Thanks https://stackoverflow.com/a/63556250 for inspiration
|
||||
ATTR_RE = (
|
||||
r"""(?s)(?P<avr>\S ?)(?:\s*=\s*(?P<q>['"])(?P<avl>.*?)(?<!\\)(?P=q))?"""
|
||||
)
|
||||
|
||||
def elt_value(attr_str, val_dict):
|
||||
v = {}
|
||||
attrs = dict((j.group("avr"), j.groupdict(True).get("avl"))
|
||||
for j in re.finditer(ATTR_RE, attr_str.strip()))
|
||||
if attrs:
|
||||
v['@attributes'] = attrs
|
||||
v['@values'] = val_dict
|
||||
return v
|
||||
|
||||
def xml2dict(xml_str):
|
||||
elts = re.findall(
|
||||
r"(?s)<(?P<var>\S )(?P<attr>[^/>]*)(?:(?:>(?P<val>.*?)</(?P=var)>)|(?:/>))",
|
||||
xml_str,
|
||||
)
|
||||
|
||||
if elts:
|
||||
elts = [{i[0]: elt_value(i[1], xml2dict(i[2]))} for i in elts]
|
||||
if len(elts) == 1:
|
||||
return elts[0]
|
||||
return elts
|
||||
return xml_str
|
||||
|
||||
try:
|
||||
return json.dumps(xml2dict(m.group('xml').encode(m.group('enc') or 'utf-8')))
|
||||
except Exception:
|
||||
pass
|
||||
return src
|
||||
|
||||
chan_info = self._download_json(
|
||||
chan_url, chan_id, fatal=False,
|
||||
note='Downloading player EPG JSON',
|
||||
query={'_': int(time.time() * 1000)},
|
||||
expected_status=403,
|
||||
# errors are returned as XML
|
||||
transform_source=maybe_xml2json)
|
||||
if not isinstance(chan_info, dict) or 'Error' in chan_info:
|
||||
chan_info = self._download_json(
|
||||
'https://trtizle-api.cdn.wp.trt.com.tr/trttv/v3/livestream',
|
||||
chan_id, fatal=False,
|
||||
note='Downloading livestream API JSON',
|
||||
query={'path': compat_urlparse.urlparse(url).path}) or {}
|
||||
|
||||
title = chan_info['channel']['title']
|
||||
|
||||
current = try_get(chan_info, lambda x: x['current'], dict) or {}
|
||||
if current.get('geo_block'):
|
||||
self._downloader.report_warning(
|
||||
'[%s] %s' % (self.IE_NAME, 'Stream is geo-blocked'))
|
||||
|
||||
chan_info = chan_info['channel']
|
||||
fmt_url = dict_get(chan_info, ('url', 'noneDvrUrl'))
|
||||
formats = []
|
||||
if fmt_url:
|
||||
formats = self._extract_formats(fmt_url, chan_id)
|
||||
self._sort_formats(formats)
|
||||
|
||||
start_end = [parse_iso8601(current.get(x)) for x in ('starttime', 'endtime')]
|
||||
if None in start_end:
|
||||
start_end = None
|
||||
|
||||
return {
|
||||
'id': chan_id,
|
||||
'title': self._live_title(current.get('title') or title),
|
||||
'is_live': True,
|
||||
'formats': formats,
|
||||
'description': strip_or_none(chan_info.get('description')),
|
||||
'thumbnail': next((url_or_none(chan_info.get(x))
|
||||
for x in ('thumbnail', 'thumbnailYoutubeUrl', 'square_logo', 'livestreamLogoUrl')),
|
||||
None),
|
||||
'timestamp': start_end and start_end[0],
|
||||
'duration': start_end and (start_end[1] - time.time()),
|
||||
}
|
||||
@ -1659,17 +1659,46 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
|
||||
def _extract_n_function_name(self, jscode):
|
||||
func_name, idx = self._search_regex(
|
||||
# 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
|
||||
# old: .get("n"))&&(b=nfunc[idx](b)
|
||||
# older: .get("n"))&&(b=nfunc(b)
|
||||
# or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)
|
||||
# or: (PL(a),b=a.j.n||null)&&(b=nfunc[idx](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)
|
||||
(?:\(\s*(?P<b>[a-z])\s*=\s*(?:
|
||||
String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
|
||||
"n+"\[\s*\+?s*[\w$.]+\s*]
|
||||
)\s*,(?P<c>[a-z])\s*=\s*[a-z]\s*)?
|
||||
\.\s*get\s*\(\s*(?(b)(?P=b)|"n{1,2}")(?:\s*\)){2}\s*&&\s*\(\s*(?(c)(?P=c)|b)\s*=\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'))
|
||||
\((?:[\w$()\s]+,)*?\s* # (
|
||||
(?P<b>[a-z])\s*=\s* # b=
|
||||
(?:
|
||||
(?: # expect ,c=a.get(b) (etc)
|
||||
String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
|
||||
"n+"\[\s*\+?s*[\w$.]+\s*]
|
||||
)\s*(?:,[\w$()\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*\(\s*[\w$]+\s*\)
|
||||
''', 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:
|
||||
return func_name
|
||||
|
||||
|
||||
@ -925,9 +925,16 @@ class JSInterpreter(object):
|
||||
obj.reverse()
|
||||
return obj
|
||||
elif member == 'slice':
|
||||
assertion(isinstance(obj, list), 'must be applied on a list')
|
||||
assertion(len(argvals) == 1, 'takes exactly one argument')
|
||||
return obj[argvals[0]:]
|
||||
assertion(isinstance(obj, (list, compat_str)), 'must be applied on a list or string')
|
||||
# From [1]:
|
||||
# .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':
|
||||
assertion(isinstance(obj, list), 'must be applied on a list')
|
||||
assertion(argvals, 'takes one or more arguments')
|
||||
|
||||
Loading…
Reference in New Issue
Block a user