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from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
unescapeHTML,
find_xpath_attr,
)
class CSpanIE(InfoExtractor):
_VALID_URL = r'http://(?:www\.)?c-span\.org/video/\?(?P<id>[0-9a-f]+)'
IE_DESC = 'C-SPAN'
_TESTS = [{
'url': 'http://www.c-span.org/video/?313572-1/HolderonV',
'md5': '8e44ce11f0f725527daccc453f553eb0',
'info_dict': {
'id': '315139',
'ext': 'mp4',
'title': 'Attorney General Eric Holder on Voting Rights Act Decision',
'description': 'Attorney General Eric Holder spoke to reporters following the Supreme Court decision in Shelby County v. Holder in which the court ruled that the preclearance provisions of the Voting Rights Act could not be enforced until Congress established new guidelines for review.',
},
'skip': 'Regularly fails on travis, for unknown reasons',
}, {
'url': 'http://www.c-span.org/video/?c4486943/cspan-international-health-care-models',
# For whatever reason, the served video alternates between
# two different ones
#'md5': 'dbb0f047376d457f2ab8b3929cbb2d0c',
'info_dict': {
'id': '340723',
'ext': 'mp4',
'title': 'International Health Care Models',
'description': 'md5:7a985a2d595dba00af3d9c9f0783c967',
}
}]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
page_id = mobj.group('id')
webpage = self._download_webpage(url, page_id)
video_id = self._search_regex(r'progid=\'?([0-9]+)\'?>', webpage, 'video id')
description = self._html_search_regex(
[
# The full description
r'<div class=\'expandable\'>(.*?)<a href=\'#\'',
# If the description is small enough the other div is not
# present, otherwise this is a stripped version
r'<p class=\'initial\'>(.*?)</p>'
],
webpage, 'description', flags=re.DOTALL)
info_url = 'http://c-spanvideo.org/videoLibrary/assets/player/ajax-player.php?os=android&html5=program&id=' + video_id
data = self._download_json(info_url, video_id)
url = unescapeHTML(data['video']['files'][0]['path']['#text'])
doc = self._download_xml('http://www.c-span.org/common/services/flashXml.php?programid=' + video_id + '&version=2014-01-23',
video_id)
formats = [
{
'url': url,
}
]
def find_string(node, s):
return find_xpath_attr(node, './/string', 'name', s).text
def find_number(node, s):
return int(find_xpath_attr(node, './/number', 'name', s).text)
def find_array(node, s):
return find_xpath_attr(node, './/array', 'name', s)
def process_files(files, url, formats):
for file in files:
path = find_string(file, 'path')
#duration = find_number(file, './number', 'name', 'length')
hd = find_number(file, 'hd')
formats.append({
'url': url,
'play_path': path,
'ext': 'flv',
'quality': hd,
})
def process_node(node, formats):
url = find_xpath_attr(node, './string', 'name', 'url')
if url is None:
url = find_xpath_attr(node, './string', 'name', 'URL')
if url is None:
return
url = url.text.replace('$(protocol)', 'rtmp').replace('$(port)', '1935')
files = find_array(node, 'files')
if files is None:
return
process_files(files, url, formats)
process_node(doc.find('./media-link'), formats)
streams = find_array(doc, 'streams')
if streams is not None:
for stream in streams:
if find_string(stream, 'name') != 'vod':
continue
process_node(stream, formats)
return {
'id': video_id,
'title': find_string(doc, 'title'),
'description': description,
'thumbnail': find_string(doc, 'poster'),
'formats': formats,
}
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