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[youtube-dl.git] / youtube_dl / extractor / bbccouk.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .subtitles import SubtitlesInfoExtractor
6 from ..utils import ExtractorError
7
8
9 class BBCCoUkIE(SubtitlesInfoExtractor):
10     IE_NAME = 'bbc.co.uk'
11     IE_DESC = 'BBC iPlayer'
12     _VALID_URL = r'https?://(?:www\.)?bbc\.co\.uk/(?:programmes|iplayer/episode)/(?P<id>[\da-z]{8})'
13
14     _TESTS = [
15         {
16             'url': 'http://www.bbc.co.uk/programmes/b039g8p7',
17             'info_dict': {
18                 'id': 'b039d07m',
19                 'ext': 'flv',
20                 'title': 'Kaleidoscope: Leonard Cohen',
21                 'description': 'md5:db4755d7a665ae72343779f7dacb402c',
22                 'duration': 1740,
23             },
24             'params': {
25                 # rtmp download
26                 'skip_download': True,
27             }
28         },
29         {
30             'url': 'http://www.bbc.co.uk/iplayer/episode/b00yng5w/The_Man_in_Black_Series_3_The_Printed_Name/',
31             'info_dict': {
32                 'id': 'b00yng1d',
33                 'ext': 'flv',
34                 'title': 'The Man in Black: Series 3: The Printed Name',
35                 'description': "Mark Gatiss introduces Nicholas Pierpan's chilling tale of a writer's devilish pact with a mysterious man. Stars Ewan Bailey.",
36                 'duration': 1800,
37             },
38             'params': {
39                 # rtmp download
40                 'skip_download': True,
41             },
42             'skip': 'Episode is no longer available on BBC iPlayer Radio',
43         },
44         {
45             'url': 'http://www.bbc.co.uk/iplayer/episode/b03vhd1f/The_Voice_UK_Series_3_Blind_Auditions_5/',
46             'info_dict': {
47                 'id': 'b00yng1d',
48                 'ext': 'flv',
49                 'title': 'The Voice UK: Series 3: Blind Auditions 5',
50                 '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.",
51                 'duration': 5100,
52             },
53             'params': {
54                 # rtmp download
55                 'skip_download': True,
56             },
57             'skip': 'Currently BBC iPlayer TV programmes are available to play in the UK only',
58         }
59     ]
60
61     def _extract_asx_playlist(self, connection, programme_id):
62         asx = self._download_xml(connection.get('href'), programme_id, 'Downloading ASX playlist')
63         return [ref.get('href') for ref in asx.findall('./Entry/ref')]
64
65     def _extract_connection(self, connection, programme_id):
66         formats = []
67         protocol = connection.get('protocol')
68         supplier = connection.get('supplier')
69         if protocol == 'http':
70             href = connection.get('href')
71             # ASX playlist
72             if supplier == 'asx':
73                 for i, ref in enumerate(self._extract_asx_playlist(connection, programme_id)):
74                     formats.append({
75                         'url': ref,
76                         'format_id': 'ref%s_%s' % (i, supplier),
77                     })
78             # Direct link
79             else:
80                 formats.append({
81                     'url': href,
82                     'format_id': supplier,
83                 })
84         elif protocol == 'rtmp':
85             application = connection.get('application', 'ondemand')
86             auth_string = connection.get('authString')
87             identifier = connection.get('identifier')
88             server = connection.get('server')
89             formats.append({
90                 'url': '%s://%s/%s?%s' % (protocol, server, application, auth_string),
91                 'play_path': identifier,
92                 'app': '%s?%s' % (application, auth_string),
93                 'page_url': 'http://www.bbc.co.uk',
94                 'player_url': 'http://www.bbc.co.uk/emp/releases/iplayer/revisions/617463_618125_4/617463_618125_4_emp.swf',
95                 'rtmp_live': False,
96                 'ext': 'flv',
97                 'format_id': supplier,
98             })
99         return formats
100
101     def _extract_items(self, playlist):
102         return playlist.findall('./{http://bbc.co.uk/2008/emp/playlist}item')
103
104     def _extract_medias(self, media_selection):
105         return media_selection.findall('./{http://bbc.co.uk/2008/mp/mediaselection}media')
106
107     def _extract_connections(self, media):
108         return media.findall('./{http://bbc.co.uk/2008/mp/mediaselection}connection')
109
110     def _extract_video(self, media, programme_id):
111         formats = []
112         vbr = int(media.get('bitrate'))
113         vcodec = media.get('encoding')
114         service = media.get('service')
115         width = int(media.get('width'))
116         height = int(media.get('height'))
117         file_size = int(media.get('media_file_size'))
118         for connection in self._extract_connections(media):
119             conn_formats = self._extract_connection(connection, programme_id)
120             for format in conn_formats:
121                 format.update({
122                     'format_id': '%s_%s' % (service, format['format_id']),
123                     'width': width,
124                     'height': height,
125                     'vbr': vbr,
126                     'vcodec': vcodec,
127                     'filesize': file_size,
128                 })
129             formats.extend(conn_formats)
130         return formats
131
132     def _extract_audio(self, media, programme_id):
133         formats = []
134         abr = int(media.get('bitrate'))
135         acodec = media.get('encoding')
136         service = media.get('service')
137         for connection in self._extract_connections(media):
138             conn_formats = self._extract_connection(connection, programme_id)
139             for format in conn_formats:
140                 format.update({
141                     'format_id': '%s_%s' % (service, format['format_id']),
142                     'abr': abr,
143                     'acodec': acodec,
144                 })
145             formats.extend(conn_formats)
146         return formats
147
148     def _extract_captions(self, media, programme_id):
149         subtitles = {}
150         for connection in self._extract_connections(media):
151             captions = self._download_xml(connection.get('href'), programme_id, 'Downloading captions')
152             lang = captions.get('{http://www.w3.org/XML/1998/namespace}lang', 'en')
153             ps = captions.findall('./{0}body/{0}div/{0}p'.format('{http://www.w3.org/2006/10/ttaf1}'))
154             srt = ''
155             for pos, p in enumerate(ps):
156                 srt += '%s\r\n%s --> %s\r\n%s\r\n\r\n' % (str(pos), p.get('begin'), p.get('end'),
157                                                           p.text.strip() if p.text is not None else '')
158             subtitles[lang] = srt
159         return subtitles
160
161     def _real_extract(self, url):
162         mobj = re.match(self._VALID_URL, url)
163         group_id = mobj.group('id')
164
165         webpage = self._download_webpage(url, group_id, 'Downloading video page')
166         if re.search(r'id="emp-error" class="notinuk">', webpage):
167             raise ExtractorError('Currently BBC iPlayer TV programmes are available to play in the UK only',
168                                  expected=True)
169
170         playlist = self._download_xml('http://www.bbc.co.uk/iplayer/playlist/%s' % group_id, group_id,
171                                       'Downloading playlist XML')
172
173         no_items = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}noItems')
174         if no_items is not None:
175             reason = no_items.get('reason')
176             if reason == 'preAvailability':
177                 msg = 'Episode %s is not yet available' % group_id
178             elif reason == 'postAvailability':
179                 msg = 'Episode %s is no longer available' % group_id
180             else:
181                 msg = 'Episode %s is not available: %s' % (group_id, reason)
182             raise ExtractorError(msg, expected=True)
183
184         formats = []
185         subtitles = None
186
187         for item in self._extract_items(playlist):
188             kind = item.get('kind')
189             if kind != 'programme' and kind != 'radioProgramme':
190                 continue
191             title = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}title').text
192             description = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}summary').text
193
194             programme_id = item.get('identifier')
195             duration = int(item.get('duration'))
196
197             media_selection = self._download_xml(
198                 'http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/%s' % programme_id,
199                 programme_id, 'Downloading media selection XML')
200
201             for media in self._extract_medias(media_selection):
202                 kind = media.get('kind')
203                 if kind == 'audio':
204                     formats.extend(self._extract_audio(media, programme_id))
205                 elif kind == 'video':
206                     formats.extend(self._extract_video(media, programme_id))
207                 elif kind == 'captions':
208                     subtitles = self._extract_captions(media, programme_id)
209
210         if self._downloader.params.get('listsubtitles', False):
211             self._list_available_subtitles(programme_id, subtitles)
212             return
213
214         self._sort_formats(formats)
215
216         return {
217             'id': programme_id,
218             'title': title,
219             'description': description,
220             'duration': duration,
221             'formats': formats,
222             'subtitles': subtitles,
223         }