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135 lines
4.9 KiB
135 lines
4.9 KiB
# coding: utf-8 |
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from __future__ import unicode_literals |
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import base64 |
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from ..compat import ( |
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compat_urllib_parse_unquote, |
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compat_urlparse, |
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) |
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from ..utils import determine_ext |
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from .bokecc import BokeCCBaseIE |
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class InfoQIE(BokeCCBaseIE): |
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_VALID_URL = r'https?://(?:www\.)?infoq\.com/(?:[^/]+/)+(?P<id>[^/]+)' |
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_TESTS = [{ |
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'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things', |
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'md5': 'b5ca0e0a8c1fed93b0e65e48e462f9a2', |
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'info_dict': { |
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'id': 'A-Few-of-My-Favorite-Python-Things', |
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'ext': 'mp4', |
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'description': 'Mike Pirnat presents some tips and tricks, standard libraries and third party packages that make programming in Python a richer experience.', |
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'title': 'A Few of My Favorite [Python] Things', |
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}, |
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}, { |
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'url': 'http://www.infoq.com/fr/presentations/changez-avis-sur-javascript', |
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'only_matching': True, |
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}, { |
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'url': 'http://www.infoq.com/cn/presentations/openstack-continued-delivery', |
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'md5': '4918d0cca1497f2244572caf626687ef', |
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'info_dict': { |
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'id': 'openstack-continued-delivery', |
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'title': 'OpenStack持续交付之路', |
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'ext': 'flv', |
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'description': 'md5:308d981fb28fa42f49f9568322c683ff', |
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}, |
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}, { |
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'url': 'https://www.infoq.com/presentations/Simple-Made-Easy', |
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'md5': '0e34642d4d9ef44bf86f66f6399672db', |
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'info_dict': { |
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'id': 'Simple-Made-Easy', |
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'title': 'Simple Made Easy', |
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'ext': 'mp3', |
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'description': 'md5:3e0e213a8bbd074796ef89ea35ada25b', |
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}, |
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'params': { |
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'format': 'bestaudio', |
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}, |
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}] |
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def _extract_rtmp_video(self, webpage): |
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# The server URL is hardcoded |
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video_url = 'rtmpe://video.infoq.com/cfx/st/' |
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# Extract video URL |
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encoded_id = self._search_regex( |
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r"jsclassref\s*=\s*'([^']*)'", webpage, 'encoded id', default=None) |
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real_id = compat_urllib_parse_unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8')) |
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playpath = 'mp4:' + real_id |
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return [{ |
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'format_id': 'rtmp_video', |
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'url': video_url, |
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'ext': determine_ext(playpath), |
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'play_path': playpath, |
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}] |
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def _extract_cookies(self, webpage): |
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policy = self._search_regex(r'InfoQConstants.scp\s*=\s*\'([^\']+)\'', webpage, 'policy') |
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signature = self._search_regex(r'InfoQConstants.scs\s*=\s*\'([^\']+)\'', webpage, 'signature') |
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key_pair_id = self._search_regex(r'InfoQConstants.sck\s*=\s*\'([^\']+)\'', webpage, 'key-pair-id') |
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return 'CloudFront-Policy=%s; CloudFront-Signature=%s; CloudFront-Key-Pair-Id=%s' % ( |
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policy, signature, key_pair_id) |
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def _extract_http_video(self, webpage): |
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http_video_url = self._search_regex(r'P\.s\s*=\s*\'([^\']+)\'', webpage, 'video URL') |
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return [{ |
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'format_id': 'http_video', |
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'url': http_video_url, |
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'http_headers': { |
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'Cookie': self._extract_cookies(webpage) |
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}, |
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}] |
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def _extract_http_audio(self, webpage, video_id): |
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fields = self._hidden_inputs(webpage) |
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http_audio_url = fields.get('filename') |
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if not http_audio_url: |
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return [] |
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cookies_header = {'Cookie': self._extract_cookies(webpage)} |
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# base URL is found in the Location header in the response returned by |
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# GET https://www.infoq.com/mp3download.action?filename=... when logged in. |
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http_audio_url = compat_urlparse.urljoin('http://res.infoq.com/downloads/mp3downloads/', http_audio_url) |
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# audio file seem to be missing some times even if there is a download link |
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# so probe URL to make sure |
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if not self._is_valid_url(http_audio_url, video_id, headers=cookies_header): |
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return [] |
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return [{ |
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'format_id': 'http_audio', |
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'url': http_audio_url, |
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'vcodec': 'none', |
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'http_headers': cookies_header, |
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}] |
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def _real_extract(self, url): |
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video_id = self._match_id(url) |
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webpage = self._download_webpage(url, video_id) |
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video_title = self._html_search_regex(r'<title>(.*?)</title>', webpage, 'title') |
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video_description = self._html_search_meta('description', webpage, 'description') |
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if '/cn/' in url: |
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# for China videos, HTTP video URL exists but always fails with 403 |
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formats = self._extract_bokecc_formats(webpage, video_id) |
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else: |
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formats = ( |
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self._extract_rtmp_video(webpage) + |
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self._extract_http_video(webpage) + |
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self._extract_http_audio(webpage, video_id)) |
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self._sort_formats(formats) |
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return { |
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'id': video_id, |
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'title': video_title, |
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'description': video_description, |
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'formats': formats, |
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}
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