youtube-dl/youtube_dl/extractor/bbccouk.py

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from __future__ import unicode_literals
import xml.etree.ElementTree
from .subtitles import SubtitlesInfoExtractor
from ..utils import ExtractorError
from ..compat import compat_HTTPError
class BBCCoUkIE(SubtitlesInfoExtractor):
IE_NAME = 'bbc.co.uk'
IE_DESC = 'BBC iPlayer'
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_VALID_URL = r'https?://(?:www\.)?bbc\.co\.uk/(?:programmes|iplayer/(?:episode|playlist))/(?P<id>[\da-z]{8})'
_TESTS = [
{
'url': 'http://www.bbc.co.uk/programmes/b039g8p7',
'info_dict': {
'id': 'b039d07m',
'ext': 'flv',
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'title': 'Kaleidoscope, Leonard Cohen',
'description': 'The Canadian poet and songwriter reflects on his musical career.',
'duration': 1740,
},
'params': {
# rtmp download
'skip_download': True,
}
},
{
'url': 'http://www.bbc.co.uk/iplayer/episode/b00yng5w/The_Man_in_Black_Series_3_The_Printed_Name/',
'info_dict': {
'id': 'b00yng1d',
'ext': 'flv',
'title': 'The Man in Black: Series 3: The Printed Name',
'description': "Mark Gatiss introduces Nicholas Pierpan's chilling tale of a writer's devilish pact with a mysterious man. Stars Ewan Bailey.",
'duration': 1800,
},
'params': {
# rtmp download
'skip_download': True,
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},
'skip': 'Episode is no longer available on BBC iPlayer Radio',
},
{
'url': 'http://www.bbc.co.uk/iplayer/episode/b03vhd1f/The_Voice_UK_Series_3_Blind_Auditions_5/',
'info_dict': {
'id': 'b00yng1d',
'ext': 'flv',
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'title': 'The Voice UK: Series 3: Blind Auditions 5',
'description': "Emma Willis and Marvin Humes present the fifth set of blind auditions in the singing competition, as the coaches continue to build their teams based on voice alone.",
'duration': 5100,
},
'params': {
# rtmp download
'skip_download': True,
},
'skip': 'Currently BBC iPlayer TV programmes are available to play in the UK only',
},
{
'url': 'http://www.bbc.co.uk/iplayer/episode/p026c7jt/tomorrows-worlds-the-unearthly-history-of-science-fiction-2-invasion',
'info_dict': {
'id': 'b03k3pb7',
'ext': 'flv',
'title': "Tomorrow's Worlds: The Unearthly History of Science Fiction",
'description': '2. Invasion',
'duration': 3600,
},
'params': {
# rtmp download
'skip_download': True,
},
'skip': 'Currently BBC iPlayer TV programmes are available to play in the UK only',
}, {
'url': 'http://www.bbc.co.uk/programmes/b04v20dw',
'info_dict': {
'id': 'b04v209v',
'ext': 'flv',
'title': 'Pete Tong, The Essential New Tune Special',
'description': "Pete has a very special mix - all of 2014's Essential New Tunes!",
'duration': 10800,
},
'params': {
# rtmp download
'skip_download': True,
}
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}, {
'url': 'http://www.bbc.co.uk/iplayer/playlist/p01dvks4',
'only_matching': True,
}
]
def _extract_asx_playlist(self, connection, programme_id):
asx = self._download_xml(connection.get('href'), programme_id, 'Downloading ASX playlist')
return [ref.get('href') for ref in asx.findall('./Entry/ref')]
def _extract_connection(self, connection, programme_id):
formats = []
protocol = connection.get('protocol')
supplier = connection.get('supplier')
if protocol == 'http':
href = connection.get('href')
# ASX playlist
if supplier == 'asx':
for i, ref in enumerate(self._extract_asx_playlist(connection, programme_id)):
formats.append({
'url': ref,
'format_id': 'ref%s_%s' % (i, supplier),
})
# Direct link
else:
formats.append({
'url': href,
'format_id': supplier,
})
elif protocol == 'rtmp':
application = connection.get('application', 'ondemand')
auth_string = connection.get('authString')
identifier = connection.get('identifier')
server = connection.get('server')
formats.append({
'url': '%s://%s/%s?%s' % (protocol, server, application, auth_string),
'play_path': identifier,
'app': '%s?%s' % (application, auth_string),
'page_url': 'http://www.bbc.co.uk',
'player_url': 'http://www.bbc.co.uk/emp/releases/iplayer/revisions/617463_618125_4/617463_618125_4_emp.swf',
'rtmp_live': False,
'ext': 'flv',
'format_id': supplier,
})
return formats
def _extract_items(self, playlist):
return playlist.findall('./{http://bbc.co.uk/2008/emp/playlist}item')
def _extract_medias(self, media_selection):
error = media_selection.find('./{http://bbc.co.uk/2008/mp/mediaselection}error')
if error is not None:
raise ExtractorError(
'%s returned error: %s' % (self.IE_NAME, error.get('id')), expected=True)
return media_selection.findall('./{http://bbc.co.uk/2008/mp/mediaselection}media')
def _extract_connections(self, media):
return media.findall('./{http://bbc.co.uk/2008/mp/mediaselection}connection')
def _extract_video(self, media, programme_id):
formats = []
vbr = int(media.get('bitrate'))
vcodec = media.get('encoding')
service = media.get('service')
width = int(media.get('width'))
height = int(media.get('height'))
file_size = int(media.get('media_file_size'))
for connection in self._extract_connections(media):
conn_formats = self._extract_connection(connection, programme_id)
for format in conn_formats:
format.update({
'format_id': '%s_%s' % (service, format['format_id']),
'width': width,
'height': height,
'vbr': vbr,
'vcodec': vcodec,
'filesize': file_size,
})
formats.extend(conn_formats)
return formats
def _extract_audio(self, media, programme_id):
formats = []
abr = int(media.get('bitrate'))
acodec = media.get('encoding')
service = media.get('service')
for connection in self._extract_connections(media):
conn_formats = self._extract_connection(connection, programme_id)
for format in conn_formats:
format.update({
'format_id': '%s_%s' % (service, format['format_id']),
'abr': abr,
'acodec': acodec,
})
formats.extend(conn_formats)
return formats
def _extract_captions(self, media, programme_id):
subtitles = {}
for connection in self._extract_connections(media):
captions = self._download_xml(connection.get('href'), programme_id, 'Downloading captions')
lang = captions.get('{http://www.w3.org/XML/1998/namespace}lang', 'en')
ps = captions.findall('./{0}body/{0}div/{0}p'.format('{http://www.w3.org/2006/10/ttaf1}'))
srt = ''
for pos, p in enumerate(ps):
srt += '%s\r\n%s --> %s\r\n%s\r\n\r\n' % (str(pos), p.get('begin'), p.get('end'),
p.text.strip() if p.text is not None else '')
subtitles[lang] = srt
return subtitles
def _download_media_selector(self, programme_id):
try:
media_selection = self._download_xml(
'http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/%s' % programme_id,
programme_id, 'Downloading media selection XML')
except ExtractorError as ee:
if isinstance(ee.cause, compat_HTTPError) and ee.cause.code == 403:
media_selection = xml.etree.ElementTree.fromstring(ee.cause.read().encode('utf-8'))
else:
raise
formats = []
subtitles = None
for media in self._extract_medias(media_selection):
kind = media.get('kind')
if kind == 'audio':
formats.extend(self._extract_audio(media, programme_id))
elif kind == 'video':
formats.extend(self._extract_video(media, programme_id))
elif kind == 'captions':
subtitles = self._extract_captions(media, programme_id)
return formats, subtitles
def _download_playlist(self, playlist_id):
try:
playlist = self._download_json(
'http://www.bbc.co.uk/programmes/%s/playlist.json' % playlist_id,
playlist_id, 'Downloading playlist JSON')
version = playlist.get('defaultAvailableVersion')
if version:
smp_config = version['smpConfig']
title = smp_config['title']
description = smp_config['summary']
for item in smp_config['items']:
kind = item['kind']
if kind != 'programme' and kind != 'radioProgramme':
continue
programme_id = item.get('vpid')
duration = int(item.get('duration'))
formats, subtitles = self._download_media_selector(programme_id)
return programme_id, title, description, duration, formats, subtitles
except ExtractorError as ee:
if not isinstance(ee.cause, compat_HTTPError) and ee.cause.code == 404:
raise
# fallback to legacy playlist
playlist = self._download_xml(
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'http://www.bbc.co.uk/iplayer/playlist/%s' % playlist_id,
playlist_id, 'Downloading legacy playlist XML')
no_items = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}noItems')
if no_items is not None:
reason = no_items.get('reason')
if reason == 'preAvailability':
msg = 'Episode %s is not yet available' % playlist_id
elif reason == 'postAvailability':
msg = 'Episode %s is no longer available' % playlist_id
elif reason == 'noMedia':
msg = 'Episode %s is not currently available' % playlist_id
else:
msg = 'Episode %s is not available: %s' % (playlist_id, reason)
raise ExtractorError(msg, expected=True)
for item in self._extract_items(playlist):
kind = item.get('kind')
if kind != 'programme' and kind != 'radioProgramme':
continue
title = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}title').text
description = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}summary').text
programme_id = item.get('identifier')
duration = int(item.get('duration'))
formats, subtitles = self._download_media_selector(programme_id)
return programme_id, title, description, duration, formats, subtitles
def _real_extract(self, url):
group_id = self._match_id(url)
webpage = self._download_webpage(url, group_id, 'Downloading video page')
programme_id = self._search_regex(
r'"vpid"\s*:\s*"([\da-z]{8})"', webpage, 'vpid', fatal=False, default=None)
if programme_id:
player = self._download_json(
'http://www.bbc.co.uk/iplayer/episode/%s.json' % group_id,
group_id)['jsConf']['player']
title = player['title']
description = player['subtitle']
duration = player['duration']
formats, subtitles = self._download_media_selector(programme_id)
else:
programme_id, title, description, duration, formats, subtitles = self._download_playlist(group_id)
if self._downloader.params.get('listsubtitles', False):
self._list_available_subtitles(programme_id, subtitles)
return
self._sort_formats(formats)
return {
'id': programme_id,
'title': title,
'description': description,
'duration': duration,
'formats': formats,
'subtitles': subtitles,
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}