from __future__ import unicode_literals import base64 from .common import InfoExtractor from ..compat import compat_urllib_parse_unquote class InfoQIE(InfoExtractor): _VALID_URL = r'https?://(?:www\.)?infoq\.com/(?:[^/]+/)+(?P[^/]+)' _TESTS = [{ 'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things', 'md5': 'b5ca0e0a8c1fed93b0e65e48e462f9a2', 'info_dict': { 'id': '12-jan-pythonthings', '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, }] 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'(.*?)', webpage, 'title') video_description = self._html_search_meta('description', webpage, 'description') # 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') real_id = compat_urllib_parse_unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8')) playpath = 'mp4:' + real_id video_filename = playpath.split('/')[-1] video_id, extension = video_filename.split('.') 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') formats = [{ 'format_id': 'rtmp', 'url': video_url, 'ext': extension, 'play_path': playpath, }, { '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), }, }] self._sort_formats(formats) return { 'id': video_id, 'title': video_title, 'description': video_description, 'formats': formats, }