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youtube-dl/youtube_dl/extractor/jwplatform.py
2016-06-16 12:26:45 +08:00

128 lines
5.0 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
determine_ext,
float_or_none,
int_or_none,
)
class JWPlatformBaseIE(InfoExtractor):
@staticmethod
def _find_jwplayer_data(webpage):
# TODO: Merge this with JWPlayer-related codes in generic.py
mobj = re.search(
'jwplayer\((?P<quote>[\'"])[^\'" ]+(?P=quote)\)\.setup\((?P<options>[^)]+)\)',
webpage)
if mobj:
return mobj.group('options')
def _extract_jwplayer_data(self, webpage, video_id, *args, **kwargs):
jwplayer_data = self._parse_json(
self._find_jwplayer_data(webpage), video_id)
return self._parse_jwplayer_data(
jwplayer_data, video_id, *args, **kwargs)
def _parse_jwplayer_data(self, jwplayer_data, video_id, require_title=True, m3u8_id=None, rtmp_params=None):
# JWPlayer backward compatibility: flattened playlists
# https://github.com/jwplayer/jwplayer/blob/v7.4.3/src/js/api/config.js#L81-L96
if 'playlist' not in jwplayer_data:
jwplayer_data = {'playlist': [jwplayer_data]}
video_data = jwplayer_data['playlist'][0]
# JWPlayer backward compatibility: flattened sources
# https://github.com/jwplayer/jwplayer/blob/v7.4.3/src/js/playlist/item.js#L29-L35
if 'sources' not in video_data:
video_data['sources'] = [video_data]
formats = []
for source in video_data['sources']:
source_url = self._proto_relative_url(source['file'])
source_type = source.get('type') or ''
if source_type in ('application/vnd.apple.mpegurl', 'hls') or determine_ext(source_url) == 'm3u8':
formats.extend(self._extract_m3u8_formats(
source_url, video_id, 'mp4', 'm3u8_native', m3u8_id=m3u8_id, fatal=False))
elif source_type.startswith('audio'):
formats.append({
'url': source_url,
'vcodec': 'none',
})
else:
a_format = {
'url': source_url,
'width': int_or_none(source.get('width')),
'height': int_or_none(source.get('height')),
}
if source_url.startswith('rtmp'):
a_format['ext'] = 'flv',
# See com/longtailvideo/jwplayer/media/RTMPMediaProvider.as
# of jwplayer.flash.swf
rtmp_url_parts = re.split(
r'((?:mp4|mp3|flv):)', source_url, 1)
if len(rtmp_url_parts) == 3:
rtmp_url, prefix, play_path = rtmp_url_parts
a_format.update({
'url': rtmp_url,
'play_path': prefix + play_path,
})
if rtmp_params:
a_format.update(rtmp_params)
formats.append(a_format)
self._sort_formats(formats)
subtitles = {}
tracks = video_data.get('tracks')
if tracks and isinstance(tracks, list):
for track in tracks:
if track.get('file') and track.get('kind') == 'captions':
subtitles.setdefault(track.get('label') or 'en', []).append({
'url': self._proto_relative_url(track['file'])
})
return {
'id': video_id,
'title': video_data['title'] if require_title else video_data.get('title'),
'description': video_data.get('description'),
'thumbnail': self._proto_relative_url(video_data.get('image')),
'timestamp': int_or_none(video_data.get('pubdate')),
'duration': float_or_none(jwplayer_data.get('duration')),
'subtitles': subtitles,
'formats': formats,
}
class JWPlatformIE(JWPlatformBaseIE):
_VALID_URL = r'(?:https?://content\.jwplatform\.com/(?:feeds|players|jw6)/|jwplatform:)(?P<id>[a-zA-Z0-9]{8})'
_TEST = {
'url': 'http://content.jwplatform.com/players/nPripu9l-ALJ3XQCI.js',
'md5': 'fa8899fa601eb7c83a64e9d568bdf325',
'info_dict': {
'id': 'nPripu9l',
'ext': 'mov',
'title': 'Big Buck Bunny Trailer',
'description': 'Big Buck Bunny is a short animated film by the Blender Institute. It is made using free and open source software.',
'upload_date': '20081127',
'timestamp': 1227796140,
}
}
@staticmethod
def _extract_url(webpage):
mobj = re.search(
r'<script[^>]+?src=["\'](?P<url>(?:https?:)?//content.jwplatform.com/players/[a-zA-Z0-9]{8})',
webpage)
if mobj:
return mobj.group('url')
def _real_extract(self, url):
video_id = self._match_id(url)
json_data = self._download_json('http://content.jwplatform.com/feeds/%s.json' % video_id, video_id)
return self._parse_jwplayer_data(json_data, video_id)