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[zdf:channel] Simplify (#4427)
This commit is contained in:
Philipp Hagemeister
parent
cf68bcaeff
commit
9abd500a74
1 changed files with 40 additions and 71 deletions
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@ -1,12 +1,14 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import functools
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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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int_or_none,
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unified_strdate,
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OnDemandPagedList,
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)
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@ -86,28 +88,8 @@ def xml_to_format(fnode):
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}
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def extract_channel_from_xml_url(ie, channel_id, xml_url):
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doc = ie._download_xml(
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xml_url, channel_id,
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note='Downloading channel info',
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errnote='Failed to download channel info')
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title = doc.find('.//information/title').text
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description = doc.find('.//information/detail').text
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assets = [{'id': asset.find('./details/assetId').text,
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'type': asset.find('./type').text,
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} for asset in doc.findall('.//teasers/teaser')]
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return {
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'id': channel_id,
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'title': title,
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'description': description,
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'assets': assets,
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}
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class ZDFIE(InfoExtractor):
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_VALID_URL = r'^https?://www\.zdf\.de/ZDFmediathek(?P<hash>#)?/(.*beitrag/(?:video/)?)(?P<id>[0-9]+)(?:/[^/?]+)?(?:\?.*)?'
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_VALID_URL = r'(?:zdf:|zdf:video:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/(.*beitrag/(?:video/)?))(?P<id>[0-9]+)(?:/[^/?]+)?(?:\?.*)?'
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_TEST = {
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'url': 'http://www.zdf.de/ZDFmediathek/beitrag/video/2037704/ZDFspezial---Ende-des-Machtpokers--?bc=sts;stt',
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@ -124,67 +106,54 @@ class ZDFIE(InfoExtractor):
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'skip': 'Videos on ZDF.de are depublicised in short order',
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}
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def _extract_video(self, video_id):
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def _real_extract(self, url):
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video_id = self._match_id(url)
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xml_url = 'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
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return extract_from_xml_url(self, video_id, xml_url)
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def _real_extract(self, url):
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return self._extract_video(self._match_id(url))
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class ZDFChannelIE(ZDFIE):
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_VALID_URL = r'^https?://www\.zdf\.de/ZDFmediathek(?P<hash>#)?/(.*kanaluebersicht/)(?P<id>[0-9]+)'
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class ZDFChannelIE(InfoExtractor):
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_VALID_URL = r'(?:zdf:topic:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/.*kanaluebersicht/)(?P<id>[0-9]+)'
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_TEST = {
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'url': 'http://www.zdf.de/ZDFmediathek#/kanaluebersicht/1586442/sendung/Titanic',
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'info_dict': {
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'id': '1586442',
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'title': 'Titanic',
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'description': 'md5:444c048cfe3fdc2561be7de4bcbf1d04',
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},
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'playlist_count': 3,
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'playlist_count': 4,
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}
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_PAGE_SIZE = 50
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def _extract_channel(self, channel_id):
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def load_chunks(channel_id, chunk_length):
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offset = 0
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while True:
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url = ('http://www.zdf.de/ZDFmediathek/xmlservice/web/aktuellste?ak=web&offset=%d&maxLength=%d&id=%s'
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% (offset, chunk_length, channel_id))
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result = extract_channel_from_xml_url(self, channel_id, url)
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yield result
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if len(result['assets']) < chunk_length:
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return
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offset += chunk_length
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def _fetch_page(self, channel_id, page):
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offset = page * self._PAGE_SIZE
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xml_url = (
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'http://www.zdf.de/ZDFmediathek/xmlservice/web/aktuellste?ak=web&offset=%d&maxLength=%d&id=%s'
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% (offset, self._PAGE_SIZE, channel_id))
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doc = self._download_xml(
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xml_url, channel_id,
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note='Downloading channel info',
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errnote='Failed to download channel info')
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def load_channel(channel_id):
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chunks = list(load_chunks(channel_id, 50)) # The server rejects higher values
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assets = [asset for chunk in chunks for asset in chunk['assets']]
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video_ids = [asset['id'] for asset in
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filter(lambda asset: asset['type'] == 'video',
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assets)]
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topic_ids = [asset['id'] for asset in
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filter(lambda asset: asset['type'] == 'thema',
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assets)]
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if topic_ids:
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video_ids = reduce(list.__add__,
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[load_channel(topic_id)['video_ids']
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for topic_id in topic_ids],
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video_ids)
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result = chunks[0]
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result['video_ids'] = video_ids
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return result
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channel = load_channel(channel_id)
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return {
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'_type': 'playlist',
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'id': channel['id'],
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'title': channel['title'],
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'description': channel['description'],
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'entries': [self._extract_video(video_id)
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for video_id in channel['video_ids']],
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}
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title = doc.find('.//information/title').text
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description = doc.find('.//information/detail').text
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for asset in doc.findall('.//teasers/teaser'):
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a_type = asset.find('./type').text
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a_id = asset.find('./details/assetId').text
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if a_type not in ('video', 'topic'):
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continue
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yield {
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'_type': 'url',
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'playlist_title': title,
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'playlist_description': description,
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'url': 'zdf:%s:%s' % (a_type, a_id),
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}
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def _real_extract(self, url):
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return self._extract_channel(self._match_id(url))
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channel_id = self._match_id(url)
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entries = OnDemandPagedList(
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functools.partial(self._fetch_page, channel_id), self._PAGE_SIZE)
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return {
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'_type': 'playlist',
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'id': channel_id,
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'entries': entries,
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}
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