yt-dlp/yt_dlp/extractor/bpb.py
Simon Sawicki f659e64394
[ie/bpb] Overhaul extractor (#8119)
Authored by: Grub4K
2023-09-16 17:50:06 +02:00

171 lines
7.5 KiB
Python

import functools
import re
from .common import InfoExtractor
from ..utils import (
clean_html,
extract_attributes,
get_element_text_and_html_by_tag,
get_elements_by_class,
join_nonempty,
js_to_json,
mimetype2ext,
unified_strdate,
url_or_none,
urljoin,
variadic,
)
from ..utils.traversal import traverse_obj
def html_get_element(tag=None, cls=None):
assert tag or cls, 'One of tag or class is required'
if cls:
func = functools.partial(get_elements_by_class, cls, tag=tag)
else:
func = functools.partial(get_element_text_and_html_by_tag, tag)
def html_get_element_wrapper(html):
return variadic(func(html))[0]
return html_get_element_wrapper
class BpbIE(InfoExtractor):
IE_DESC = 'Bundeszentrale für politische Bildung'
_VALID_URL = r'https?://(?:www\.|m\.)?bpb\.de/(?:[^/?#]+/)*(?P<id>\d+)(?:[/?#]|$)'
_TESTS = [{
'url': 'http://www.bpb.de/mediathek/297/joachim-gauck-zu-1989-und-die-erinnerung-an-die-ddr',
'info_dict': {
'id': '297',
'ext': 'mp4',
'creator': 'Kooperative Berlin',
'description': 'md5:f4f75885ba009d3e2b156247a8941ce6',
'release_date': '20160115',
'series': 'Interview auf dem Geschichtsforum 1989 | 2009',
'tags': ['Friedliche Revolution', 'Erinnerungskultur', 'Vergangenheitspolitik', 'DDR 1949 - 1990', 'Freiheitsrecht', 'BStU', 'Deutschland'],
'thumbnail': 'https://www.bpb.de/cache/images/7/297_teaser_16x9_1240.jpg?8839D',
'title': 'Joachim Gauck zu 1989 und die Erinnerung an die DDR',
'uploader': 'Bundeszentrale für politische Bildung',
},
}, {
'url': 'https://www.bpb.de/mediathek/video/522184/krieg-flucht-und-falschmeldungen-wirstattdesinformation-2/',
'info_dict': {
'id': '522184',
'ext': 'mp4',
'creator': 'Institute for Strategic Dialogue Germany gGmbH (ISD)',
'description': 'md5:f83c795ff8f825a69456a9e51fc15903',
'release_date': '20230621',
'tags': ['Desinformation', 'Ukraine', 'Russland', 'Geflüchtete'],
'thumbnail': 'https://www.bpb.de/cache/images/4/522184_teaser_16x9_1240.png?EABFB',
'title': 'md5:9b01ccdbf58dbf9e5c9f6e771a803b1c',
'uploader': 'Bundeszentrale für politische Bildung',
},
}, {
'url': 'https://www.bpb.de/lernen/bewegtbild-und-politische-bildung/webvideo/518789/krieg-flucht-und-falschmeldungen-wirstattdesinformation-1/',
'info_dict': {
'id': '518789',
'ext': 'mp4',
'creator': 'Institute for Strategic Dialogue Germany gGmbH (ISD)',
'description': 'md5:85228aed433e84ff0ff9bc582abd4ea8',
'release_date': '20230302',
'tags': ['Desinformation', 'Ukraine', 'Russland', 'Geflüchtete'],
'thumbnail': 'https://www.bpb.de/cache/images/9/518789_teaser_16x9_1240.jpeg?56D0D',
'title': 'md5:3e956f264bb501f6383f10495a401da4',
'uploader': 'Bundeszentrale für politische Bildung',
},
}, {
'url': 'https://www.bpb.de/mediathek/podcasts/apuz-podcast/539727/apuz-20-china/',
'only_matching': True,
}, {
'url': 'https://www.bpb.de/mediathek/audio/315813/folge-1-eine-einfuehrung/',
'info_dict': {
'id': '315813',
'ext': 'mp3',
'creator': 'Axel Schröder',
'description': 'md5:eda9d1af34e5912efef5baf54fba4427',
'release_date': '20200921',
'series': 'Auf Endlagersuche. Der deutsche Weg zu einem sicheren Atommülllager',
'tags': ['Atomenergie', 'Endlager', 'hoch-radioaktiver Abfall', 'Endlagersuche', 'Atommüll', 'Atomendlager', 'Gorleben', 'Deutschland'],
'thumbnail': 'https://www.bpb.de/cache/images/3/315813_teaser_16x9_1240.png?92A94',
'title': 'Folge 1: Eine Einführung',
'uploader': 'Bundeszentrale für politische Bildung',
},
}, {
'url': 'https://www.bpb.de/517806/die-weltanschauung-der-neuen-rechten/',
'info_dict': {
'id': '517806',
'ext': 'mp3',
'creator': 'Bundeszentrale für politische Bildung',
'description': 'md5:594689600e919912aade0b2871cc3fed',
'release_date': '20230127',
'series': 'Vorträge des Fachtags "Modernisierer. Grenzgänger. Anstifter. Sechs Jahrzehnte \'Neue Rechte\'"',
'tags': ['Rechtsextremismus', 'Konservatismus', 'Konservativismus', 'neue Rechte', 'Rechtspopulismus', 'Schnellroda', 'Deutschland'],
'thumbnail': 'https://www.bpb.de/cache/images/6/517806_teaser_16x9_1240.png?7A7A0',
'title': 'Die Weltanschauung der "Neuen Rechten"',
'uploader': 'Bundeszentrale für politische Bildung',
},
}, {
'url': 'https://www.bpb.de/mediathek/reihen/zahlen-und-fakten-soziale-situation-filme/520153/zahlen-und-fakten-die-soziale-situation-in-deutschland-migration/',
'only_matching': True,
}]
_TITLE_RE = re.compile('(?P<title>[^<]*)<[^>]+>(?P<series>[^<]*)')
def _parse_vue_attributes(self, name, string, video_id):
attributes = extract_attributes(self._search_regex(rf'(<{name}(?:"[^"]*?"|[^>])*>)', string, name))
for key, value in attributes.items():
if key.startswith(':'):
attributes[key] = self._parse_json(value, video_id, transform_source=js_to_json, fatal=False)
return attributes
@staticmethod
def _process_source(source):
url = url_or_none(source['src'])
if not url:
return None
source_type = source.get('type', '')
extension = mimetype2ext(source_type)
is_video = source_type.startswith('video')
note = url.rpartition('.')[0].rpartition('_')[2] if is_video else None
return {
'url': url,
'ext': extension,
'vcodec': None if is_video else 'none',
'quality': 10 if note == 'high' else 0,
'format_note': note,
'format_id': join_nonempty(extension, note),
}
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
title_result = traverse_obj(webpage, ({html_get_element(cls='opening-header__title')}, {self._TITLE_RE.match}))
json_lds = list(self._yield_json_ld(webpage, video_id, fatal=False))
return {
'id': video_id,
'title': traverse_obj(title_result, ('title', {str.strip})) or None,
# This metadata could be interpreted otherwise, but it fits "series" the most
'series': traverse_obj(title_result, ('series', {str.strip})) or None,
'description': join_nonempty(*traverse_obj(webpage, [(
{html_get_element(cls='opening-intro')},
[{html_get_element(tag='bpb-accordion-item')}, {html_get_element(cls='text-content')}],
), {clean_html}]), delim='\n\n') or None,
'creator': self._html_search_meta('author', webpage),
'uploader': self._html_search_meta('publisher', webpage),
'release_date': unified_strdate(self._html_search_meta('date', webpage)),
'tags': traverse_obj(json_lds, (..., 'keywords', {lambda x: x.split(',')}, ...)),
**traverse_obj(self._parse_vue_attributes('bpb-player', webpage, video_id), {
'formats': (':sources', ..., {self._process_source}),
'thumbnail': ('poster', {lambda x: urljoin(url, x)}),
}),
}