mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-23 20:35:35 +08:00
116 lines
4.3 KiB
Python
116 lines
4.3 KiB
Python
# coding: utf-8
|
|
|
|
from __future__ import unicode_literals
|
|
|
|
import base64
|
|
|
|
from .common import InfoExtractor
|
|
from ..compat import (
|
|
compat_urllib_parse_unquote,
|
|
compat_parse_qs,
|
|
)
|
|
from ..utils import determine_ext
|
|
|
|
|
|
class InfoQIE(InfoExtractor):
|
|
_VALID_URL = r'https?://(?:www\.)?infoq\.com/(?:[^/]+/)+(?P<id>[^/]+)'
|
|
|
|
_TESTS = [{
|
|
'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things',
|
|
'md5': 'b5ca0e0a8c1fed93b0e65e48e462f9a2',
|
|
'info_dict': {
|
|
'id': 'A-Few-of-My-Favorite-Python-Things',
|
|
'ext': 'mp4',
|
|
'description': 'Mike Pirnat presents some tips and tricks, standard libraries and third party packages that make programming in Python a richer experience.',
|
|
'title': 'A Few of My Favorite [Python] Things',
|
|
},
|
|
}, {
|
|
'url': 'http://www.infoq.com/fr/presentations/changez-avis-sur-javascript',
|
|
'only_matching': True,
|
|
}, {
|
|
'url': 'http://www.infoq.com/cn/presentations/openstack-continued-delivery',
|
|
'md5': '4918d0cca1497f2244572caf626687ef',
|
|
'info_dict': {
|
|
'id': 'openstack-continued-delivery',
|
|
'title': 'OpenStack持续交付之路',
|
|
'ext': 'flv',
|
|
'description': 'md5:308d981fb28fa42f49f9568322c683ff',
|
|
},
|
|
}]
|
|
|
|
def _extract_bokecc_videos(self, webpage, video_id):
|
|
# TODO: bokecc.com is a Chinese video cloud platform
|
|
# It should have an independent extractor but I don't have other
|
|
# examples using bokecc
|
|
player_params_str = self._html_search_regex(
|
|
r'<script[^>]+src="http://p\.bokecc\.com/player\?([^"]+)',
|
|
webpage, 'player params', default=None)
|
|
|
|
player_params = compat_parse_qs(player_params_str)
|
|
|
|
info_xml = self._download_xml(
|
|
'http://p.bokecc.com/servlet/playinfo?uid=%s&vid=%s&m=1' % (
|
|
player_params['siteid'][0], player_params['vid'][0]), video_id)
|
|
|
|
return [{
|
|
'format_id': 'bokecc',
|
|
'url': quality.find('./copy').attrib['playurl'],
|
|
'preference': int(quality.attrib['value']),
|
|
} for quality in info_xml.findall('./video/quality')]
|
|
|
|
def _extract_rtmp_videos(self, webpage):
|
|
# The server URL is hardcoded
|
|
video_url = 'rtmpe://video.infoq.com/cfx/st/'
|
|
|
|
# Extract video URL
|
|
encoded_id = self._search_regex(
|
|
r"jsclassref\s*=\s*'([^']*)'", webpage, 'encoded id', default=None)
|
|
|
|
real_id = compat_urllib_parse_unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8'))
|
|
playpath = 'mp4:' + real_id
|
|
|
|
return [{
|
|
'format_id': 'rtmp',
|
|
'url': video_url,
|
|
'ext': determine_ext(playpath),
|
|
'play_path': playpath,
|
|
}]
|
|
|
|
def _extract_http_videos(self, webpage):
|
|
http_video_url = self._search_regex(r'P\.s\s*=\s*\'([^\']+)\'', webpage, 'video URL')
|
|
|
|
policy = self._search_regex(r'InfoQConstants.scp\s*=\s*\'([^\']+)\'', webpage, 'policy')
|
|
signature = self._search_regex(r'InfoQConstants.scs\s*=\s*\'([^\']+)\'', webpage, 'signature')
|
|
key_pair_id = self._search_regex(r'InfoQConstants.sck\s*=\s*\'([^\']+)\'', webpage, 'key-pair-id')
|
|
|
|
return [{
|
|
'format_id': 'http',
|
|
'url': http_video_url,
|
|
'http_headers': {
|
|
'Cookie': 'CloudFront-Policy=%s; CloudFront-Signature=%s; CloudFront-Key-Pair-Id=%s' % (
|
|
policy, signature, key_pair_id),
|
|
},
|
|
}]
|
|
|
|
def _real_extract(self, url):
|
|
video_id = self._match_id(url)
|
|
webpage = self._download_webpage(url, video_id)
|
|
|
|
video_title = self._html_search_regex(r'<title>(.*?)</title>', webpage, 'title')
|
|
video_description = self._html_search_meta('description', webpage, 'description')
|
|
|
|
if '/cn/' in url:
|
|
# for China videos, HTTP video URL exists but always fails with 403
|
|
formats = self._extract_bokecc_videos(webpage, video_id)
|
|
else:
|
|
formats = self._extract_rtmp_videos(webpage) + self._extract_http_videos(webpage)
|
|
|
|
self._sort_formats(formats)
|
|
|
|
return {
|
|
'id': video_id,
|
|
'title': video_title,
|
|
'description': video_description,
|
|
'formats': formats,
|
|
}
|