X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/a070911bf98c751e4425008f1335cc57c86d30fc..b61cf51bd505290c3e7e60c68d235a6202c81a4d:/youtube_dl/extractor/infoq.py diff --git a/youtube_dl/extractor/infoq.py b/youtube_dl/extractor/infoq.py index f25f436..c3e892f 100644 --- a/youtube_dl/extractor/infoq.py +++ b/youtube_dl/extractor/infoq.py @@ -1,59 +1,132 @@ +# coding: utf-8 + from __future__ import unicode_literals import base64 -from .common import InfoExtractor from ..compat import ( - compat_urllib_parse, + compat_urllib_parse_unquote, + compat_urlparse, +) +from ..utils import ( + determine_ext, + update_url_query, ) +from .bokecc import BokeCCBaseIE -class InfoQIE(InfoExtractor): - _VALID_URL = r'https?://(?:www\.)?infoq\.com/[^/]+/(?P[^/]+)$' +class InfoQIE(BokeCCBaseIE): + _VALID_URL = r'https?://(?:www\.)?infoq\.com/(?:[^/]+/)+(?P[^/]+)' - _TEST = { + _TESTS = [{ 'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things', 'md5': 'b5ca0e0a8c1fed93b0e65e48e462f9a2', 'info_dict': { - 'id': '12-jan-pythonthings', + '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', }, - } - - 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') + }, { + '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', + }, + }, { + 'url': 'https://www.infoq.com/presentations/Simple-Made-Easy', + 'md5': '0e34642d4d9ef44bf86f66f6399672db', + 'info_dict': { + 'id': 'Simple-Made-Easy', + 'title': 'Simple Made Easy', + 'ext': 'mp3', + 'description': 'md5:3e0e213a8bbd074796ef89ea35ada25b', + }, + 'params': { + 'format': 'bestaudio', + }, + }] + def _extract_rtmp_video(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') - 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('.') + r"jsclassref\s*=\s*'([^']*)'", webpage, 'encoded id', default=None) - http_base = self._search_regex( - r'EXPRESSINSTALL_SWF\s*=\s*"(https?://[^/"]+/)', webpage, - 'HTTP base URL') + real_id = compat_urllib_parse_unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8')) + playpath = 'mp4:' + real_id - formats = [{ - 'format_id': 'rtmp', + return [{ + 'format_id': 'rtmp_video', 'url': video_url, - 'ext': extension, + 'ext': determine_ext(playpath), 'play_path': playpath, - }, { - 'format_id': 'http', - 'url': http_base + real_id, }] + + def _extract_cf_auth(self, webpage): + 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 { + 'Policy': policy, + 'Signature': signature, + 'Key-Pair-Id': key_pair_id, + } + + def _extract_http_video(self, webpage): + http_video_url = self._search_regex(r'P\.s\s*=\s*\'([^\']+)\'', webpage, 'video URL') + http_video_url = update_url_query(http_video_url, self._extract_cf_auth(webpage)) + return [{ + 'format_id': 'http_video', + 'url': http_video_url, + }] + + def _extract_http_audio(self, webpage, video_id): + fields = self._hidden_inputs(webpage) + http_audio_url = fields.get('filename') + if not http_audio_url: + return [] + + # base URL is found in the Location header in the response returned by + # GET https://www.infoq.com/mp3download.action?filename=... when logged in. + http_audio_url = compat_urlparse.urljoin('http://res.infoq.com/downloads/mp3downloads/', http_audio_url) + http_audio_url = update_url_query(http_audio_url, self._extract_cf_auth(webpage)) + + # audio file seem to be missing some times even if there is a download link + # so probe URL to make sure + if not self._is_valid_url(http_audio_url, video_id): + return [] + + return [{ + 'format_id': 'http_audio', + 'url': http_audio_url, + 'vcodec': 'none', + }] + + 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') + + if '/cn/' in url: + # for China videos, HTTP video URL exists but always fails with 403 + formats = self._extract_bokecc_formats(webpage, video_id) + else: + formats = ( + self._extract_rtmp_video(webpage) + + self._extract_http_video(webpage) + + self._extract_http_audio(webpage, video_id)) + self._sort_formats(formats) return {