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from .common import InfoExtractor
from ..utils import (
determine_ext,
ExtractorError,
int_or_none,
mimetype2ext,
parse_iso8601,
strip_jsonp,
unified_timestamp,
url_or_none,
)
class AMPIE(InfoExtractor): # XXX: Conventionally, base classes should end with BaseIE/InfoExtractor
# parse Akamai Adaptive Media Player feed
def _extract_feed_info(self, url):
feed = self._download_json(
url, None, 'Downloading Akamai AMP feed',
'Unable to download Akamai AMP feed', transform_source=strip_jsonp)
item = feed.get('channel', {}).get('item')
if not item:
raise ExtractorError('%s said: %s' % (self.IE_NAME, feed['error']))
video_id = item['guid']
def get_media_node(name, default=None):
media_name = 'media-%s' % name
media_group = item.get('media-group') or item
return media_group.get(media_name) or item.get(media_name) or item.get(name, default)
thumbnails = []
media_thumbnail = get_media_node('thumbnail')
if media_thumbnail:
if isinstance(media_thumbnail, dict):
media_thumbnail = [media_thumbnail]
for thumbnail_data in media_thumbnail:
thumbnail = thumbnail_data.get('@attributes', {})
thumbnail_url = url_or_none(thumbnail.get('url'))
if not thumbnail_url:
continue
thumbnails.append({
'url': self._proto_relative_url(thumbnail_url, 'http:'),
'width': int_or_none(thumbnail.get('width')),
'height': int_or_none(thumbnail.get('height')),
})
subtitles = {}
media_subtitle = get_media_node('subTitle')
if media_subtitle:
if isinstance(media_subtitle, dict):
media_subtitle = [media_subtitle]
for subtitle_data in media_subtitle:
subtitle = subtitle_data.get('@attributes', {})
subtitle_href = url_or_none(subtitle.get('href'))
if not subtitle_href:
continue
subtitles.setdefault(subtitle.get('lang') or 'en', []).append({
'url': subtitle_href,
'ext': mimetype2ext(subtitle.get('type')) or determine_ext(subtitle_href),
})
formats = []
media_content = get_media_node('content')
if isinstance(media_content, dict):
media_content = [media_content]
for media_data in media_content:
media = media_data.get('@attributes', {})
media_url = url_or_none(media.get('url'))
if not media_url:
continue
ext = mimetype2ext(media.get('type')) or determine_ext(media_url)
if ext == 'f4m':
formats.extend(self._extract_f4m_formats(
media_url + '?hdcore=3.4.0&plugin=aasp-3.4.0.132.124',
video_id, f4m_id='hds', fatal=False))
elif ext == 'm3u8':
fmts, subs = self._extract_m3u8_formats_and_subtitles(
media_url, video_id, 'mp4', m3u8_id='hls', fatal=False)
formats.extend(fmts)
self._merge_subtitles(subs, target=subtitles)
else:
formats.append({
'format_id': media_data.get('media-category', {}).get('@attributes', {}).get('label'),
'url': media_url,
'tbr': int_or_none(media.get('bitrate')),
'filesize': int_or_none(media.get('fileSize')),
'ext': ext,
})
timestamp = unified_timestamp(item.get('pubDate'), ' ') or parse_iso8601(item.get('dc-date'))
return {
'id': video_id,
'title': get_media_node('title'),
'description': get_media_node('description'),
'thumbnails': thumbnails,
'timestamp': timestamp,
'duration': int_or_none(media_content[0].get('@attributes', {}).get('duration')),
'subtitles': subtitles,
'formats': formats,
}
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