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mirror of https://github.com/l1ving/youtube-dl synced 2024-12-24 10:12:52 +08:00
youtube-dl/youtube_dl/extractor/cspan.py
2015-11-28 20:22:31 +01:00

134 lines
5.2 KiB
Python

from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
int_or_none,
unescapeHTML,
find_xpath_attr,
smuggle_url,
determine_ext,
ExtractorError,
)
from .senateisvp import SenateISVPIE
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': '94b29a4f131ff03d23471dd6f60b6a1d',
'info_dict': {
'id': '315139',
'ext': 'mp4',
'title': 'Attorney General Eric Holder on Voting Rights Act Decision',
'description': 'Attorney General Eric Holder speaks 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.',
},
'skip': 'Regularly fails on travis, for unknown reasons',
}, {
'url': 'http://www.c-span.org/video/?c4486943/cspan-international-health-care-models',
'md5': '8e5fbfabe6ad0f89f3012a7943c1287b',
'info_dict': {
'id': 'c4486943',
'ext': 'mp4',
'title': 'CSPAN - International Health Care Models',
'description': 'md5:7a985a2d595dba00af3d9c9f0783c967',
}
}, {
'url': 'http://www.c-span.org/video/?318608-1/gm-ignition-switch-recall',
'md5': '2ae5051559169baadba13fc35345ae74',
'info_dict': {
'id': '342759',
'ext': 'mp4',
'title': 'General Motors Ignition Switch Recall',
'duration': 14848,
'description': 'md5:118081aedd24bf1d3b68b3803344e7f3'
},
}, {
# Video from senate.gov
'url': 'http://www.c-span.org/video/?104517-1/immigration-reforms-needed-protect-skilled-american-workers',
'info_dict': {
'id': 'judiciary031715',
'ext': 'flv',
'title': 'Immigration Reforms Needed to Protect Skilled American Workers',
}
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
matches = re.search(r'data-(prog|clip)id=\'([0-9]+)\'', webpage)
if matches:
video_type, video_id = matches.groups()
if video_type == 'prog':
video_type = 'program'
else:
senate_isvp_url = SenateISVPIE._search_iframe_url(webpage)
if senate_isvp_url:
title = self._og_search_title(webpage)
surl = smuggle_url(senate_isvp_url, {'force_title': title})
return self.url_result(surl, 'SenateISVP', video_id, title)
def get_text_attr(d, attr):
return d.get(attr, {}).get('#text')
data = self._download_json(
'http://www.c-span.org/assets/player/ajax-player.php?os=android&html5=%s&id=%s' % (video_type, video_id),
video_id)['video']
if data['@status'] != 'Success':
raise ExtractorError('%s said: %s' % (self.IE_NAME, get_text_attr(data, 'error')), expected=True)
doc = self._download_xml(
'http://www.c-span.org/common/services/flashXml.php?%sid=%s' % (video_type, video_id),
video_id)
description = self._html_search_meta('description', webpage)
title = find_xpath_attr(doc, './/string', 'name', 'title').text
thumbnail = find_xpath_attr(doc, './/string', 'name', 'poster').text
files = data['files']
capfile = get_text_attr(data, 'capfile')
entries = []
for partnum, f in enumerate(files):
formats = []
for quality in f['qualities']:
formats.append({
'format_id': '%s-%sp' % (get_text_attr(quality, 'bitrate'), get_text_attr(quality, 'height')),
'url': unescapeHTML(get_text_attr(quality, 'file')),
'height': int_or_none(get_text_attr(quality, 'height')),
'tbr': int_or_none(get_text_attr(quality, 'bitrate')),
})
self._sort_formats(formats)
entries.append({
'id': '%s_%d' % (video_id, partnum + 1),
'title': (
title if len(files) == 1 else
'%s part %d' % (title, partnum + 1)),
'formats': formats,
'description': description,
'thumbnail': thumbnail,
'duration': int_or_none(get_text_attr(f, 'length')),
'subtitles': {
'en': [{
'url': capfile,
'ext': determine_ext(capfile, 'dfxp')
}],
} if capfile else None,
})
if len(entries) == 1:
entry = dict(entries[0])
entry['id'] = 'c' + video_id if video_type == 'clip' else video_id
return entry
else:
return {
'_type': 'playlist',
'entries': entries,
'title': title,
'id': 'c' + video_id if video_type == 'clip' else video_id,
}