X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Finfoq.py;h=fe425e786479e505aad8082745d43040d38ba881;hb=ddbb4c5c3ea7a64e09834d9628e7e34e03675289;hp=ed32373a1be5e3a20a0f7a1ca04c2da091ee68b6;hpb=23fe495feb8e1a54f20beb6c7b9e976c6d1a1759;p=youtube-dl diff --git a/youtube_dl/extractor/infoq.py b/youtube_dl/extractor/infoq.py index ed32373a1..fe425e786 100644 --- a/youtube_dl/extractor/infoq.py +++ b/youtube_dl/extractor/infoq.py @@ -1,55 +1,135 @@ +# coding: utf-8 + from __future__ import unicode_literals import base64 -import re -from .common import InfoExtractor -from ..utils import ( - compat_urllib_parse, +from ..compat import ( + compat_urllib_parse_unquote, + compat_urlparse, ) +from ..utils import determine_ext +from .bokecc import BokeCCBaseIE + +class InfoQIE(BokeCCBaseIE): + _VALID_URL = r'https?://(?:www\.)?infoq\.com/(?:[^/]+/)+(?P[^/]+)' -class InfoQIE(InfoExtractor): - _VALID_URL = r'https?://(?:www\.)?infoq\.com/[^/]+/(?P[^/]+)$' - _TEST = { - "name": "InfoQ", - "url": "http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things", - "file": "12-jan-pythonthings.mp4", - "info_dict": { - "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", + _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', }, - "params": { - "skip_download": True, + }, { + '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 _real_extract(self, url): - mobj = re.match(self._VALID_URL, url) - video_id = mobj.group('id') - - webpage = self._download_webpage(url, video_id) + 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 ?= ?'([^']*)'", webpage, 'encoded id') - real_id = compat_urllib_parse.unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8')) - video_url = 'rtmpe://video.infoq.com/cfx/st/' + real_id + 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_video', + 'url': video_url, + 'ext': determine_ext(playpath), + 'play_path': playpath, + }] + + def _extract_cookies(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 'CloudFront-Policy=%s; CloudFront-Signature=%s; CloudFront-Key-Pair-Id=%s' % ( + policy, signature, key_pair_id) - # Extract title - video_title = self._search_regex(r'contentTitle = "(.*?)";', - webpage, 'title') + def _extract_http_video(self, webpage): + http_video_url = self._search_regex(r'P\.s\s*=\s*\'([^\']+)\'', webpage, 'video URL') + return [{ + 'format_id': 'http_video', + 'url': http_video_url, + 'http_headers': { + 'Cookie': self._extract_cookies(webpage) + }, + }] - # Extract description - video_description = self._html_search_regex(r'', - webpage, 'description', fatal=False) + 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 [] - video_filename = video_url.split('/')[-1] - video_id, extension = video_filename.split('.') + cookies_header = {'Cookie': self._extract_cookies(webpage)} + + # 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) + + # 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, headers=cookies_header): + return [] + + return [{ + 'format_id': 'http_audio', + 'url': http_audio_url, + 'vcodec': 'none', + 'http_headers': cookies_header, + }] + + 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 { 'id': video_id, - 'url': video_url, 'title': video_title, - 'ext': extension, # Extension is always(?) mp4, but seems to be flv 'description': video_description, + 'formats': formats, }