youtube-dl/youtube_dl/extractor/cspan.py

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2013-06-26 10:55:54 -05:00
import re
from .common import InfoExtractor
from ..utils import (
compat_urllib_parse,
)
class CSpanIE(InfoExtractor):
_VALID_URL = r'http://www.c-spanvideo.org/program/(.*)'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
prog_name = mobj.group(1)
webpage = self._download_webpage(url, prog_name)
video_id = self._search_regex(r'programid=(.*?)&', webpage, 'video id')
data = compat_urllib_parse.urlencode({'programid': video_id,
'dynamic':'1'})
info_url = 'http://www.c-spanvideo.org/common/services/flashXml.php?' + data
video_info = self._download_webpage(info_url, video_id, u'Downloading video info')
self.report_extraction(video_id)
title = self._html_search_regex(r'<string name="title">(.*?)</string>',
video_info, 'title')
description = self._html_search_regex(r'<meta (?:property="og:|name=")description" content="(.*?)"',
webpage, 'description',
flags=re.MULTILINE|re.DOTALL)
thumbnail = self._html_search_regex(r'<meta property="og:image" content="(.*?)"',
webpage, 'thumbnail')
url = self._search_regex(r'<string name="URL">(.*?)</string>',
video_info, 'video url')
url = url.replace('$(protocol)', 'rtmp').replace('$(port)', '443')
path = self._search_regex(r'<string name="path">(.*?)</string>',
video_info, 'rtmp play path')
return {'id': video_id,
'title': title,
'ext': 'flv',
'url': url,
'play_path': path,
'description': description,
'thumbnail': thumbnail,
}