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[infoq] Add audio only format if available (#11565)
* [infoq] Add audio only format if available Refactor cookie code into a function. Renamed formats to http_video, http_audio, rtmp_video Renamed extract functions to video instead of videos as they return one or no video. * [infoq] Rename to _extract_cookies as it more than one * [infoq] Remove redundant determine_ext * [infoq] Add comment about hardcoded URL * [infoq] Use _hidden_inputs instead of messy regex * [infoq] Probe if audio URL is valid Make it possible to pass headers to _is_valid_url * [infoq] Add audio only test
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@ -1025,13 +1025,13 @@ class InfoExtractor(object):
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unique_formats.append(f)
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formats[:] = unique_formats
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def _is_valid_url(self, url, video_id, item='video'):
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def _is_valid_url(self, url, video_id, item='video', headers={}):
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url = self._proto_relative_url(url, scheme='http:')
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# For now assume non HTTP(S) URLs always valid
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if not (url.startswith('http://') or url.startswith('https://')):
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return True
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try:
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self._request_webpage(url, video_id, 'Checking %s URL' % item)
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self._request_webpage(url, video_id, 'Checking %s URL' % item, headers=headers)
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return True
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except ExtractorError as e:
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if isinstance(e.cause, compat_urllib_error.URLError):
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@ -4,7 +4,10 @@ from __future__ import unicode_literals
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import base64
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from ..compat import compat_urllib_parse_unquote
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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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@ -33,9 +36,21 @@ class InfoQIE(BokeCCBaseIE):
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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_videos(self, webpage):
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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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@ -47,28 +62,53 @@ class InfoQIE(BokeCCBaseIE):
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playpath = 'mp4:' + real_id
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return [{
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'format_id': 'rtmp',
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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_http_videos(self, webpage):
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http_video_url = self._search_regex(r'P\.s\s*=\s*\'([^\']+)\'', webpage, 'video URL')
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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',
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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': 'CloudFront-Policy=%s; CloudFront-Signature=%s; CloudFront-Key-Pair-Id=%s' % (
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policy, signature, key_pair_id),
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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['filename']
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if http_audio_url is None:
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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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@ -80,7 +120,10 @@ class InfoQIE(BokeCCBaseIE):
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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 = self._extract_rtmp_videos(webpage) + self._extract_http_videos(webpage)
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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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