2014-02-14 18:10:11 +01:00

96 lines
3.3 KiB
Python

from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import compat_urllib_request
class PBSIE(InfoExtractor):
_VALID_URL = r'''(?x)https?://
(?:
# Direct video URL
video\.pbs\.org/(?:viralplayer|video)/(?P<id>[0-9]+)/? |
# Article with embedded player
(?:www\.)?pbs\.org/(?:[^/]+/){2,5}(?P<presumptive_id>[^/]+)/?(?:$|[?\#]) |
# Player
video\.pbs\.org/partnerplayer/(?P<player_id>[^/]+)/
)
'''
_TEST = {
'url': 'http://www.pbs.org/tpt/constitution-usa-peter-sagal/watch/a-more-perfect-union/',
'info_dict': {
'id': '2365006249',
'ext': 'mp4',
'title': 'A More Perfect Union',
'description': 'md5:ba0c207295339c8d6eced00b7c363c6a',
'duration': 3190,
},
'params': {
'skip_download': True,
},
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
presumptive_id = mobj.group('presumptive_id')
display_id = presumptive_id
if presumptive_id:
webpage = self._download_webpage(url, display_id)
url = self._search_regex(
r'<iframe\s+id=["\']partnerPlayer["\'].*?\s+src=["\'](.*?)["\']>',
webpage, 'player URL')
mobj = re.match(self._VALID_URL, url)
player_id = mobj.group('player_id')
if not display_id:
display_id = player_id
if player_id:
player_page = self._download_webpage(
url, display_id, note='Downloading player page',
errnote='Could not download player page')
video_id = self._search_regex(
r'<div\s+id="video_([0-9]+)"', player_page, 'video ID')
else:
video_id = mobj.group('id')
display_id = video_id
info_url = 'http://video.pbs.org/videoInfo/%s?format=json' % video_id
info = self._download_json(info_url, display_id)
redir_url = compat_urllib_request.urlopen(info['recommended_encoding']['url']).geturl()
base_url = '/'.join(redir_url.split('/')[0:len(redir_url.split('/'))-1])
m3u8 = self._download_webpage(redir_url, display_id, note='Downloading m3u8 playlist')
splitted_m3u8 = m3u8.splitlines()
formats = []
for line in splitted_m3u8:
if line.startswith('#EXT-X-STREAM-INF'):
bandwidth = self._search_regex(r'BANDWIDTH=(\d+)', line, 'bandwidth')
codecs = self._search_regex(r'CODECS="(.+?)"', line, 'codecs')
filename = splitted_m3u8[splitted_m3u8.index(line)+1]
formats.append({
'format_id': re.sub(r'(.*)000', r'\1k', bandwidth),
'url': base_url+'/'+filename,
'protocol': 'm3u8',
'ext': 'mp4',
'format_note': codecs,
'quality': int(bandwidth),
})
self._sort_formats(formats)
return {
'id': video_id,
'title': info['title'],
'formats': formats,
'description': info['program'].get('description'),
'thumbnail': info.get('image_url'),
'duration': info.get('duration'),
}