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[ardaudiothek] Add support for the ARD Audiothek
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TinyToweringTree
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305
youtube_dl/extractor/ardaudiothek.py
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305
youtube_dl/extractor/ardaudiothek.py
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# coding: utf-8
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..utils import (
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compat_str,
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ExtractorError,
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int_or_none,
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parse_duration,
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str_or_none,
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try_get,
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unified_strdate,
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unified_timestamp,
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)
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class ARDAudiothekBaseIE(InfoExtractor):
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def _extract_episode_info(self, title):
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"""Try to extract episode data from the title."""
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res = {}
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if not title:
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return res
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for pattern in [
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r'.*(?P<ep_info> \(S(?P<season_number>\d+)/E(?P<episode_number>\d+)\)).*',
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r'.*(?P<ep_info> \((?:Folge |Teil )?(?P<episode_number>\d+)(?:/\d+)?\)).*',
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r'.*(?P<ep_info>Folge (?P<episode_number>\d+)(?:\:| -|) )\"(?P<episode>.+)\".*',
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r'.*(?P<ep_info>Folge (?P<episode_number>\d+)(?:/\d+)?(?:\:| -|) ).*',
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]:
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m = re.match(pattern, title)
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if m:
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groupdict = m.groupdict()
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for int_entry in ['season_number', 'episode_number']:
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res[int_entry] = int_or_none(groupdict.get(int_entry))
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for str_entry in ['episode']:
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res[str_entry] = str_or_none(groupdict.get(str_entry))
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# Build the episode title by removing numeric episode
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# information.
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if groupdict.get('ep_info') and not res['episode']:
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res['episode'] = str_or_none(
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title.replace(groupdict.get('ep_info'), ''))
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if res['episode']:
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res['episode'] = res['episode'].strip()
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break
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# As a fallback use the whole title as the episode name
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if not res.get('episode'):
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res['episode'] = title.strip()
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return res
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def _extract_id_title_desc(self, json_data):
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res = {
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'id': try_get(json_data, lambda x: x['id'], compat_str),
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'display_id': try_get(json_data, lambda x: x['slug'], compat_str),
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}
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res['title'] = try_get(
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json_data, lambda x: x['title'], compat_str)
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res['description'] = try_get(
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json_data, lambda x: x['summary'], compat_str)
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return res
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def _extract_episode(self, ep_data):
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res = self._extract_id_title_desc(ep_data)
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res['url'] = try_get(ep_data, [
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lambda x: x['enclosure']['download_url'],
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lambda x: x['enclosure']['playback_url'],
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lambda x: x['guid'],
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], compat_str)
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if not res['url']:
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raise ExtractorError(msg='Could not find any downloads',
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expected=True)
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res['format_note'] = try_get(
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ep_data, lambda x: x['enclosure']['type'], compat_str)
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res['duration'] = parse_duration(
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try_get(ep_data, lambda x: x['duration'], compat_str))
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res['release_date'] = unified_strdate(
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try_get(ep_data, lambda x: x['publication_date'], compat_str))
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res['timestamp'] = unified_timestamp(
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try_get(ep_data, lambda x: x['publication_date'], compat_str))
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res['channel'] = try_get(ep_data, [
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lambda x: x['podcast']['station'],
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lambda x: x['podcast']['organization_name'],
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], compat_str)
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# 'sharing_url' might be a redirecting URL. The generic extractor will
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# handle the redirection just fine, so that this extractor here will
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# be used.
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res['webpage_url'] = try_get(
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ep_data, lambda x: x['sharing_url'], compat_str)
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res['categories'] = [
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try_get(ep_data, lambda x: x['podcast']['category'], compat_str),
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]
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res['is_live'] = False
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res['series'] = try_get(ep_data,
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lambda x: x['podcast']['title'],
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compat_str)
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def make_thumbnail(url, id, preference):
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# Note that the images don't necessarily have the advertised
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# aspect ratio! So don't set the height based on the aspect
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# ratio.
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# Also note that the server will not return an image of any given
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# width. Most multiples of 32 (or of 64 for higher numbers) seem to
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# work. When requesting a width of 1080, the server returns an
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# image with a width of 1024, for instance. Requesting 1400 gives
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# us 1344, and so on. So a width of 1920 works best for both 1x1
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# and 16x9 images.
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thumb_width = 1920
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return {
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'id': id,
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# Only set the width if we actually replace the {width}
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# placeholder in the URL.
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'width': thumb_width if '{width}' in url else None,
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'url': url.replace('{width}', str(thumb_width)),
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'preference': preference,
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}
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# We prefer 1x1 images and we prefer episode images. But still provide
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# all available images so that the user can choose. We use the
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# thumbnail's 'preference' entry to sort them (the higher the better).
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# The preferred thumbnail order is:
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# (0) podcast-16x9 < (1) episode-16x9
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# < (2) podcast-1x1 < (3) episode-1x1
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thumbnails = []
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for ar_index, aspect_ratio in enumerate(['16x9', '1x1']):
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image_key = 'image_%s' % aspect_ratio
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image_sources = [
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{'name': 'podcast',
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'access': lambda x: x['podcast'][image_key]},
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{'name': 'episode',
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'access': lambda x: x[image_key]},
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]
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for src_index, src in enumerate(image_sources):
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thumb_url = try_get(ep_data, src['access'], compat_str)
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if thumb_url:
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thumbnails.append(make_thumbnail(
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thumb_url,
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src['name'] + '-' + aspect_ratio,
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ar_index * len(image_sources) + src_index))
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res['thumbnails'] = thumbnails
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res.update(self._extract_episode_info(res.get('title')))
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return res
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class ARDAudiothekIE(ARDAudiothekBaseIE):
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_VALID_URL = r'https?://(?:www\.|beta\.)?ardaudiothek\.de/(?:[^/]+)/(?:[^/]+)/(?P<id>[0-9]+)(?:/.*)?'
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_TESTS = [{
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'url': 'https://www.ardaudiothek.de/hoerspiel-pool/virginia-woolf-zum-leuchtturm-1-3-die-tuer-aus-glas/53728640',
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'md5': 'dc12a86bb46faadbdba7a8c9b5a24246',
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'info_dict': {
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'id': '53728640',
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'ext': 'mp3',
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'title': 'Virginia Woolf: Zum Leuchtturm (1/3) - Die Tür aus Glas',
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'description': r're:^Am Anfang steht die Frage.*',
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'thumbnail': compat_str,
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'timestamp': 1478818860,
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'upload_date': '20161110',
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}
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}, {
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'url': 'https://www.ardaudiothek.de/eine-stunde-talk/soziologe-matthias-quent-nicht-neutral-gegenueber-rechtsradikalismus/65904422',
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'md5': '326065e45e8172124165c3b0addd4553',
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'info_dict': {
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'id': '65904422',
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'ext': 'mp3',
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'title': 'Soziologe Matthias Quent - Nicht neutral gegenüber Rechtsradikalismus',
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'description': r're:^Matthias Quent erforscht die Ziele.*',
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'thumbnail': compat_str,
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'timestamp': 1565809200,
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'upload_date': '20190814',
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}
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}]
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def _real_extract(self, url):
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episode_id = self._match_id(url)
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api_url = 'https://www.ardaudiothek.de/api/episodes/%s' % episode_id
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result_data = self._download_json(api_url, episode_id, fatal=False)
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ep_data = try_get(result_data, lambda x: x['result']['episode'], dict)
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if not ep_data:
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raise ExtractorError(msg="Could not find any episode data",
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expected=True)
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return self._extract_episode(ep_data)
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class ARDAudiothekPlaylistIE(ARDAudiothekBaseIE):
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_VALID_URL = r'https?://(?:www\.|beta\.)?ardaudiothek\.de/(?!kategorie)(?:[^/]+)/(?P<id>[0-9]+)(?:/.*)?'
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_TESTS = [{
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'url': 'https://www.ardaudiothek.de/wirtschaft/62037362',
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'info_dict': {
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'id': '62037362',
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'title': 'Wirtschaft',
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'description': compat_str,
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},
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'playlist_mincount': 5,
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}, {
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'url': 'https://www.ardaudiothek.de/redezeit/7852070',
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'info_dict': {
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'id': '7852070',
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'title': 'Redezeit',
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'description': compat_str,
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},
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'playlist_mincount': 5,
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}, {
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'url': 'https://www.ardaudiothek.de/nur-fuer-starke-nerven-krimis-und-thriller/51581650/alle',
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'info_dict': {
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'id': '51581650',
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'title': r're:^Nur für starke Nerven',
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'description': compat_str,
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},
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'playlist_mincount': 5,
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}]
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def _extract_episodes(self, podcast_id, n_entries):
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# items_per_page works from 1 up to 2147483647 (2^31 - 1).
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# The website calls the API with items_per_page set to 24. Setting it
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# to 500 or 1000 would download the data of all episodes in one or two
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# pages. Increasing this value might however trigger server errors in
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# the future. So to avoid any problems we will keep using the default
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# value and just download a few more pages.
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items_per_page = 24
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page = 1
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api_url_template = 'https://www.ardaudiothek.de/api/podcasts/{}/episodes?items_per_page={}{}'
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entries = []
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while True:
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# The API sometimes returns 404s for page=1. So only add that
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# parameter if we actually have paginated content.
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page_str = '&page=' + compat_str(page) if page > 1 else ''
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api_url = api_url_template.format(podcast_id,
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items_per_page,
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page_str)
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result_data = self._download_json(api_url, podcast_id, fatal=False)
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episodes = try_get(result_data,
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lambda x: x['result']['episodes'],
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list)
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if episodes is None:
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break
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for episode in episodes:
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entries.append(self._extract_episode(episode))
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# Check if we're done
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if len(entries) >= n_entries:
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break
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# Sanity check, just in case
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meta_total = try_get(result_data,
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lambda x:
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x['result']['meta']['episodes']['total'],
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(int, float))
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meta_pages = try_get(result_data,
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lambda x:
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x['result']['meta']['episodes']['pages'],
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(int, float))
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if not meta_total or not meta_pages:
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break
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page += 1
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return entries
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def _real_extract(self, url):
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podcast_id = self._match_id(url)
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api_url = 'https://www.ardaudiothek.de/api/podcasts/%s' % podcast_id
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result_data = self._download_json(api_url, podcast_id, fatal=False)
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pc_data = try_get(result_data, lambda x: x['result']['podcast'], dict)
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if not pc_data:
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raise ExtractorError(msg="Could not find any playlist data",
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expected=True)
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n_entries = try_get(pc_data,
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lambda x: x['number_of_elements'],
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(int, float))
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res = self._extract_id_title_desc(pc_data)
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res['_type'] = 'playlist'
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res['entries'] = self._extract_episodes(podcast_id, n_entries)
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if n_entries > len(res['entries']):
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self.to_screen('Only received {} of {} reported episode IDs'
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.format(len(res['entries']), n_entries))
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return res
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@ -57,6 +57,10 @@ from .ard import (
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ARDIE,
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ARDMediathekIE,
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)
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from .ardaudiothek import (
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ARDAudiothekIE,
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ARDAudiothekPlaylistIE,
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)
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from .arte import (
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ArteTVPlus7IE,
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ArteTVEmbedIE,
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