mirror of https://github.com/blackjack4494/yt-dlc
[bbc.co.uk] Improve overall extractor structure, add subtitles support
(#2184) Everything from http://www.bbc.co.uk/iplayer/ should be downloadable now.
This commit is contained in:
Sergey M
parent
d6a283b025
commit
2e3fd9ec2f
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@ -2,29 +2,160 @@ from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from .subtitles import SubtitlesInfoExtractor
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from ..utils import ExtractorError
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class BBCCoUkIE(InfoExtractor):
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class BBCCoUkIE(SubtitlesInfoExtractor):
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IE_NAME = 'bbc.co.uk'
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IE_DESC = 'BBC - iPlayer Radio'
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IE_DESC = 'BBC iPlayer'
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_VALID_URL = r'https?://(?:www\.)?bbc\.co\.uk/(?:programmes|iplayer/episode)/(?P<id>[\da-z]{8})'
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_TEST = {
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'url': 'http://www.bbc.co.uk/programmes/p01q7wz1',
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'info_dict': {
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'id': 'p01q7wz4',
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'ext': 'flv',
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'title': 'Friction: Blu Mar Ten guest mix: Blu Mar Ten - Guest Mix',
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'description': 'Blu Mar Ten deliver a Guest Mix for Friction.',
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'duration': 1936,
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_TESTS = [
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{
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'url': 'http://www.bbc.co.uk/programmes/p01q7wz1',
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'info_dict': {
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'id': 'p01q7wz4',
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'ext': 'flv',
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'title': 'Friction: Blu Mar Ten guest mix: Blu Mar Ten - Guest Mix',
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'description': 'Blu Mar Ten deliver a Guest Mix for Friction.',
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'duration': 1936,
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},
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'params': {
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# rtmp download
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'skip_download': True,
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}
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},
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'params': {
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# rtmp download
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'skip_download': True,
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{
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'url': 'http://www.bbc.co.uk/iplayer/episode/b00yng5w/The_Man_in_Black_Series_3_The_Printed_Name/',
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'info_dict': {
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'id': 'b00yng1d',
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'ext': 'flv',
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'title': 'The Man in Black: Series 3: The Printed Name',
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'description': "Mark Gatiss introduces Nicholas Pierpan's chilling tale of a writer's devilish pact with a mysterious man. Stars Ewan Bailey.",
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'duration': 1800,
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},
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'params': {
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# rtmp download
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'skip_download': True,
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}
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},
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{
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'url': 'http://www.bbc.co.uk/iplayer/episode/b03vhd1f/The_Voice_UK_Series_3_Blind_Auditions_5/',
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'info_dict': {
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'id': 'b00yng1d',
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'ext': 'flv',
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'title': 'The Man in Black: Series 3: The Printed Name',
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'description': "Mark Gatiss introduces Nicholas Pierpan's chilling tale of a writer's devilish pact with a mysterious man. Stars Ewan Bailey.",
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'duration': 1800,
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},
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'params': {
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# rtmp download
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'skip_download': True,
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},
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'skip': 'Currently BBC iPlayer TV programmes are available to play in the UK only',
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}
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}
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]
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def _extract_asx_playlist(self, connection, programme_id):
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asx = self._download_xml(connection.get('href'), programme_id, 'Downloading ASX playlist')
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return [ref.get('href') for ref in asx.findall('./Entry/ref')]
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def _extract_connection(self, connection, programme_id):
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formats = []
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protocol = connection.get('protocol')
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supplier = connection.get('supplier')
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if protocol == 'http':
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href = connection.get('href')
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# ASX playlist
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if supplier == 'asx':
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for i, ref in enumerate(self._extract_asx_playlist(connection, programme_id)):
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formats.append({
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'url': ref,
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'format_id': 'ref%s_%s' % (i, supplier),
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})
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# Direct link
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else:
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formats.append({
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'url': href,
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'format_id': supplier,
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})
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elif protocol == 'rtmp':
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application = connection.get('application', 'ondemand')
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auth_string = connection.get('authString')
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identifier = connection.get('identifier')
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server = connection.get('server')
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formats.append({
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'url': '%s://%s/%s?%s' % (protocol, server, application, auth_string),
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'play_path': identifier,
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'app': '%s?%s' % (application, auth_string),
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'page_url': 'http://www.bbc.co.uk',
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'player_url': 'http://www.bbc.co.uk/emp/releases/iplayer/revisions/617463_618125_4/617463_618125_4_emp.swf',
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'rtmp_live': False,
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'ext': 'flv',
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'format_id': supplier,
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})
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return formats
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def _extract_items(self, playlist):
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return playlist.findall('./{http://bbc.co.uk/2008/emp/playlist}item')
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def _extract_medias(self, media_selection):
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return media_selection.findall('./{http://bbc.co.uk/2008/mp/mediaselection}media')
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def _extract_connections(self, media):
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return media.findall('./{http://bbc.co.uk/2008/mp/mediaselection}connection')
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def _extract_video(self, media, programme_id):
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formats = []
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vbr = int(media.get('bitrate'))
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vcodec = media.get('encoding')
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service = media.get('service')
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width = int(media.get('width'))
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height = int(media.get('height'))
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file_size = int(media.get('media_file_size'))
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for connection in self._extract_connections(media):
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conn_formats = self._extract_connection(connection, programme_id)
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for format in conn_formats:
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format.update({
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'format_id': '%s_%s' % (service, format['format_id']),
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'width': width,
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'height': height,
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'vbr': vbr,
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'vcodec': vcodec,
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'filesize': file_size,
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})
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formats.extend(conn_formats)
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return formats
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def _extract_audio(self, media, programme_id):
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formats = []
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abr = int(media.get('bitrate'))
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acodec = media.get('encoding')
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service = media.get('service')
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for connection in self._extract_connections(media):
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conn_formats = self._extract_connection(connection, programme_id)
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for format in conn_formats:
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format.update({
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'format_id': '%s_%s' % (service, format['format_id']),
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'abr': abr,
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'acodec': acodec,
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})
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formats.extend(conn_formats)
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return formats
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def _extract_captions(self, media, programme_id):
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subtitles = {}
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for connection in self._extract_connections(media):
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captions = self._download_xml(connection.get('href'), programme_id, 'Downloading captions')
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lang = captions.get('{http://www.w3.org/XML/1998/namespace}lang', 'en')
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ps = captions.findall('./{0}body/{0}div/{0}p'.format('{http://www.w3.org/2006/10/ttaf1}'))
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srt = ''
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for pos, p in enumerate(ps):
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srt += '%s\r\n%s --> %s\r\n%s\r\n\r\n' % (str(pos), p.get('begin'), p.get('end'),
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p.text.strip() if p.text is not None else '')
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subtitles[lang] = srt
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return subtitles
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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@ -33,84 +164,54 @@ class BBCCoUkIE(InfoExtractor):
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playlist = self._download_xml('http://www.bbc.co.uk/iplayer/playlist/%s' % group_id, group_id,
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'Downloading playlist XML')
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item = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}item')
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if item is None:
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no_items = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}noItems')
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if no_items is not None:
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reason = no_items.get('reason')
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if reason == 'preAvailability':
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msg = 'Episode %s is not yet available' % group_id
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elif reason == 'postAvailability':
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msg = 'Episode %s is no longer available' % group_id
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else:
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msg = 'Episode %s is not available: %s' % (group_id, reason)
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raise ExtractorError(msg, expected=True)
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raise ExtractorError('Failed to extract media for episode %s' % group_id, expected=True)
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title = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}title').text
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description = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}summary').text
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radio_programme_id = item.get('identifier')
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duration = int(item.get('duration'))
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media_selection = self._download_xml(
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'http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/%s' % radio_programme_id,
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radio_programme_id, 'Downloading media selection XML')
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no_items = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}noItems')
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if no_items is not None:
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reason = no_items.get('reason')
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if reason == 'preAvailability':
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msg = 'Episode %s is not yet available' % group_id
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elif reason == 'postAvailability':
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msg = 'Episode %s is no longer available' % group_id
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else:
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msg = 'Episode %s is not available: %s' % (group_id, reason)
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raise ExtractorError(msg, expected=True)
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formats = []
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for media in media_selection.findall('./{http://bbc.co.uk/2008/mp/mediaselection}media'):
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bitrate = int(media.get('bitrate'))
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encoding = media.get('encoding')
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service = media.get('service')
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connection = media.find('./{http://bbc.co.uk/2008/mp/mediaselection}connection')
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protocol = connection.get('protocol')
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priority = connection.get('priority')
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supplier = connection.get('supplier')
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if protocol == 'http':
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href = connection.get('href')
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# ASX playlist
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if supplier == 'asx':
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asx = self._download_xml(href, radio_programme_id, 'Downloading %s ASX playlist' % service)
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for i, ref in enumerate(asx.findall('./Entry/ref')):
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formats.append({
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'url': ref.get('href'),
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'format_id': '%s_ref%s' % (service, i),
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'abr': bitrate,
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'acodec': encoding,
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'preference': priority,
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})
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continue
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# Direct link
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formats.append({
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'url': href,
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'format_id': service,
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'abr': bitrate,
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'acodec': encoding,
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'preference': priority,
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})
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elif protocol == 'rtmp':
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application = connection.get('application', 'ondemand')
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auth_string = connection.get('authString')
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identifier = connection.get('identifier')
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server = connection.get('server')
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formats.append({
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'url': '%s://%s/%s?%s' % (protocol, server, application, auth_string),
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'play_path': identifier,
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'app': '%s?%s' % (application, auth_string),
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'rtmp_live': False,
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'ext': 'flv',
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'format_id': service,
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'abr': bitrate,
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'acodec': encoding,
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'preference': priority,
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})
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subtitles = None
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for item in self._extract_items(playlist):
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kind = item.get('kind')
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if kind != 'programme' and kind != 'radioProgramme':
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continue
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title = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}title').text
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description = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}summary').text
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programme_id = item.get('identifier')
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duration = int(item.get('duration'))
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media_selection = self._download_xml(
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'http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/%s' % programme_id,
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programme_id, 'Downloading media selection XML')
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for media in self._extract_medias(media_selection):
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kind = media.get('kind')
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if kind == 'audio':
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formats.extend(self._extract_audio(media, programme_id))
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elif kind == 'video':
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formats.extend(self._extract_video(media, programme_id))
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elif kind == 'captions':
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subtitles = self._extract_captions(media, programme_id)
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if self._downloader.params.get('listsubtitles', False):
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self._list_available_subtitles(programme_id, subtitles)
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return
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self._sort_formats(formats)
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return {
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'id': radio_programme_id,
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'id': programme_id,
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'title': title,
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'description': description,
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'duration': duration,
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'formats': formats,
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'subtitles': subtitles,
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}
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