[bbc.co.uk] Add support for bbc.co.uk radio programmes (Closes #2184)

2014-02-08 21:55:28 +07:00
parent 03fcf1ab57
commit 082c6c867a
3 changed files with 123 additions and 0 deletions
--- a/youtube_dl/extractor/bbccouk.py
+++ b/youtube_dl/extractor/bbccouk.py
@@ -0,0 +1,116 @@
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import ExtractorError
+
+
+class BBCCoUkIE(InfoExtractor):
+    IE_NAME = 'bbc.co.uk'
+    IE_DESC = 'BBC - iPlayer Radio'
+    _VALID_URL = r'https?://(?:www\.)?bbc\.co\.uk/programmes/(?P<id>[\da-z]{8})'
+
+    _TEST = {
+        'url': 'http://www.bbc.co.uk/programmes/p01q7wz1',
+        'info_dict': {
+            'id': 'p01q7wz4',
+            'ext': 'flv',
+            'title': 'Friction: Blu Mar Ten guest mix: Blu Mar Ten - Guest Mix',
+            'description': 'Blu Mar Ten deliver a Guest Mix for Friction.',
+            'duration': 1936,
+        },
+        'params': {
+            # rtmp download
+            'skip_download': True,
+        }
+    }
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        group_id = mobj.group('id')
+
+        playlist = self._download_xml('http://www.bbc.co.uk/iplayer/playlist/%s' % group_id, group_id,
+            'Downloading playlist XML')
+
+        item = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}item')
+        if item is None:
+            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' % group_id
+                elif reason == 'postAvailability':
+                    msg = 'Episode %s is no longer available' % group_id
+                else:
+                    msg = 'Episode %s is not available: %s' % (group_id, reason)
+                raise ExtractorError(msg, expected=True)
+            raise ExtractorError('Failed to extract media for episode %s' % group_id, expected=True)
+
+        title = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}title').text
+        description = playlist.find('./{http://bbc.co.uk/2008/emp/playlist}summary').text
+
+        radio_programme_id = item.get('identifier')
+        duration = int(item.get('duration'))
+
+        media_selection = self._download_xml(
+            'http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/pc/vpid/%s'  % radio_programme_id,
+            radio_programme_id, 'Downloading media selection XML')
+
+        formats = []
+        for media in media_selection.findall('./{http://bbc.co.uk/2008/mp/mediaselection}media'):
+            bitrate = int(media.get('bitrate'))
+            encoding = media.get('encoding')
+            service = media.get('service')
+            connection = media.find('./{http://bbc.co.uk/2008/mp/mediaselection}connection')
+            protocol = connection.get('protocol')
+            priority = connection.get('priority')
+            supplier = connection.get('supplier')
+            if protocol == 'http':
+                href = connection.get('href')
+                # ASX playlist
+                if supplier == 'asx':
+                    asx = self._download_xml(href, radio_programme_id, 'Downloading %s ASX playlist' % service)
+                    for i, ref in enumerate(asx.findall('./Entry/ref')):
+                        formats.append({
+                            'url': ref.get('href'),
+                            'format_id': '%s_ref%s' % (service, i),
+                            'abr': bitrate,
+                            'acodec': encoding,
+                            'preference': priority,
+                        })
+                    continue
+                # Direct link
+                formats.append({
+                    'url': href,
+                    'format_id': service,
+                    'abr': bitrate,
+                    'acodec': encoding,
+                    'preference': priority,
+                })
+            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),
+                    'rtmp_live': False,
+                    'ext': 'flv',
+                    'format_id': service,
+                    'abr': bitrate,
+                    'acodec': encoding,
+                    'preference': priority,
+                })
+
+        self._sort_formats(formats)
+
+        return {
+            'id': radio_programme_id,
+            'title': title,
+            'description': description,
+            'duration': duration,
+            'formats': formats,
+        }