youtube-dl/youtube_dl/extractor/pbs.py

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from __future__ import unicode_literals
import re
from .common import InfoExtractor
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from ..utils import (
US_RATINGS,
)
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/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)/
)
'''
_TEST = {
'url': 'http://www.pbs.org/tpt/constitution-usa-peter-sagal/watch/a-more-perfect-union/',
'md5': 'ce1888486f0908d555a8093cac9a7362',
'info_dict': {
'id': '2365006249',
'ext': 'mp4',
'title': 'A More Perfect Union',
'description': 'md5:ba0c207295339c8d6eced00b7c363c6a',
'duration': 3190,
},
}
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)
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rating_str = info.get('rating')
if rating_str is not None:
rating_str = rating_str.rpartition('-')[2]
age_limit = US_RATINGS.get(rating_str)
return {
'id': video_id,
'title': info['title'],
'url': info['alternate_encoding']['url'],
'ext': 'mp4',
'description': info['program'].get('description'),
'thumbnail': info.get('image_url'),
'duration': info.get('duration'),
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'age_limit': age_limit,
}