# 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, }