137 lines
4.9 KiB
Python
137 lines
4.9 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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from ..compat import (
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compat_b64decode,
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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 (
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determine_ext,
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update_url_query,
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)
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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(compat_b64decode(encoded_id).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_cf_auth(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 {
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'Policy': policy,
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'Signature': signature,
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'Key-Pair-Id': key_pair_id,
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}
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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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http_video_url = update_url_query(http_video_url, self._extract_cf_auth(webpage))
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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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}]
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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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# 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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http_audio_url = update_url_query(http_audio_url, self._extract_cf_auth(webpage))
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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):
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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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}]
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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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