mirror of
https://github.com/ytdl-org/youtube-dl.git
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6be08ce602
Not using cache results in redundant network I/O due to downloading the same pages while using --playlist-items n-m
388 lines
14 KiB
Python
388 lines
14 KiB
Python
from __future__ import unicode_literals
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import base64
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import functools
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import itertools
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_chr,
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compat_ord,
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compat_str,
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compat_urllib_parse_unquote,
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compat_urlparse,
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compat_zip
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)
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from ..utils import (
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clean_html,
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ExtractorError,
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int_or_none,
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OnDemandPagedList,
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str_to_int,
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try_get,
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urljoin,
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)
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class MixcloudIE(InfoExtractor):
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_VALID_URL = r'https?://(?:(?:www|beta|m)\.)?mixcloud\.com/([^/]+)/(?!stream|uploads|favorites|listens|playlists)([^/]+)'
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IE_NAME = 'mixcloud'
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_TESTS = [{
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'url': 'http://www.mixcloud.com/dholbach/cryptkeeper/',
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'info_dict': {
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'id': 'dholbach-cryptkeeper',
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'ext': 'm4a',
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'title': 'Cryptkeeper',
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'description': 'After quite a long silence from myself, finally another Drum\'n\'Bass mix with my favourite current dance floor bangers.',
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'uploader': 'Daniel Holbach',
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'uploader_id': 'dholbach',
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'thumbnail': r're:https?://.*\.jpg',
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'view_count': int,
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},
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}, {
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'url': 'http://www.mixcloud.com/gillespeterson/caribou-7-inch-vinyl-mix-chat/',
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'info_dict': {
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'id': 'gillespeterson-caribou-7-inch-vinyl-mix-chat',
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'ext': 'mp3',
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'title': 'Caribou 7 inch Vinyl Mix & Chat',
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'description': 'md5:2b8aec6adce69f9d41724647c65875e8',
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'uploader': 'Gilles Peterson Worldwide',
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'uploader_id': 'gillespeterson',
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'thumbnail': 're:https?://.*',
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'view_count': int,
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},
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}, {
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'url': 'https://beta.mixcloud.com/RedLightRadio/nosedrip-15-red-light-radio-01-18-2016/',
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'only_matching': True,
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}]
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@staticmethod
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def _decrypt_xor_cipher(key, ciphertext):
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"""Encrypt/Decrypt XOR cipher. Both ways are possible because it's XOR."""
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return ''.join([
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compat_chr(compat_ord(ch) ^ compat_ord(k))
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for ch, k in compat_zip(ciphertext, itertools.cycle(key))])
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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uploader = mobj.group(1)
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cloudcast_name = mobj.group(2)
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track_id = compat_urllib_parse_unquote('-'.join((uploader, cloudcast_name)))
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webpage = self._download_webpage(url, track_id)
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# Legacy path
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encrypted_play_info = self._search_regex(
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r'm-play-info="([^"]+)"', webpage, 'play info', default=None)
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if encrypted_play_info is not None:
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# Decode
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encrypted_play_info = base64.b64decode(encrypted_play_info)
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else:
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# New path
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full_info_json = self._parse_json(self._html_search_regex(
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r'<script id="relay-data" type="text/x-mixcloud">([^<]+)</script>',
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webpage, 'play info'), 'play info')
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for item in full_info_json:
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item_data = try_get(
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item, lambda x: x['cloudcast']['data']['cloudcastLookup'],
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dict)
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if try_get(item_data, lambda x: x['streamInfo']['url']):
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info_json = item_data
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break
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else:
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raise ExtractorError('Failed to extract matching stream info')
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message = self._html_search_regex(
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r'(?s)<div[^>]+class="global-message cloudcast-disabled-notice-light"[^>]*>(.+?)<(?:a|/div)',
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webpage, 'error message', default=None)
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js_url = self._search_regex(
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r'<script[^>]+\bsrc=["\"](https://(?:www\.)?mixcloud\.com/media/(?:js2/www_js_4|js/www)\.[^>]+\.js)',
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webpage, 'js url')
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js = self._download_webpage(js_url, track_id, 'Downloading JS')
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# Known plaintext attack
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if encrypted_play_info:
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kps = ['{"stream_url":']
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kpa_target = encrypted_play_info
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else:
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kps = ['https://', 'http://']
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kpa_target = base64.b64decode(info_json['streamInfo']['url'])
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for kp in kps:
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partial_key = self._decrypt_xor_cipher(kpa_target, kp)
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for quote in ["'", '"']:
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key = self._search_regex(
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r'{0}({1}[^{0}]*){0}'.format(quote, re.escape(partial_key)),
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js, 'encryption key', default=None)
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if key is not None:
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break
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else:
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continue
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break
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else:
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raise ExtractorError('Failed to extract encryption key')
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if encrypted_play_info is not None:
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play_info = self._parse_json(self._decrypt_xor_cipher(key, encrypted_play_info), 'play info')
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if message and 'stream_url' not in play_info:
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raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
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song_url = play_info['stream_url']
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formats = [{
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'format_id': 'normal',
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'url': song_url
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}]
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title = self._html_search_regex(r'm-title="([^"]+)"', webpage, 'title')
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thumbnail = self._proto_relative_url(self._html_search_regex(
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r'm-thumbnail-url="([^"]+)"', webpage, 'thumbnail', fatal=False))
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uploader = self._html_search_regex(
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r'm-owner-name="([^"]+)"', webpage, 'uploader', fatal=False)
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uploader_id = self._search_regex(
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r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
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description = self._og_search_description(webpage)
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view_count = str_to_int(self._search_regex(
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[r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
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r'/listeners/?">([0-9,.]+)</a>',
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r'(?:m|data)-tooltip=["\']([\d,.]+) plays'],
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webpage, 'play count', default=None))
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else:
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title = info_json['name']
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thumbnail = urljoin(
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'https://thumbnailer.mixcloud.com/unsafe/600x600/',
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try_get(info_json, lambda x: x['picture']['urlRoot'], compat_str))
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uploader = try_get(info_json, lambda x: x['owner']['displayName'])
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uploader_id = try_get(info_json, lambda x: x['owner']['username'])
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description = try_get(info_json, lambda x: x['description'])
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view_count = int_or_none(try_get(info_json, lambda x: x['plays']))
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stream_info = info_json['streamInfo']
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formats = []
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for url_key in ('url', 'hlsUrl', 'dashUrl'):
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format_url = stream_info.get(url_key)
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if not format_url:
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continue
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decrypted = self._decrypt_xor_cipher(key, base64.b64decode(format_url))
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if not decrypted:
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continue
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if url_key == 'hlsUrl':
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formats.extend(self._extract_m3u8_formats(
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decrypted, track_id, 'mp4', entry_protocol='m3u8_native',
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m3u8_id='hls', fatal=False))
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elif url_key == 'dashUrl':
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formats.extend(self._extract_mpd_formats(
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decrypted, track_id, mpd_id='dash', fatal=False))
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else:
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formats.append({
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'format_id': 'http',
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'url': decrypted,
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})
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self._sort_formats(formats)
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return {
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'id': track_id,
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'title': title,
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'formats': formats,
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'description': description,
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'thumbnail': thumbnail,
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'uploader': uploader,
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'uploader_id': uploader_id,
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'view_count': view_count,
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}
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class MixcloudPlaylistBaseIE(InfoExtractor):
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_PAGE_SIZE = 24
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def _find_urls_in_page(self, page):
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for url in re.findall(r'm-play-button m-url="(?P<url>[^"]+)"', page):
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yield self.url_result(
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compat_urlparse.urljoin('https://www.mixcloud.com', clean_html(url)),
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MixcloudIE.ie_key())
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def _fetch_tracks_page(self, path, video_id, page_name, current_page, real_page_number=None):
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real_page_number = real_page_number or current_page + 1
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return self._download_webpage(
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'https://www.mixcloud.com/%s/' % path, video_id,
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note='Download %s (page %d)' % (page_name, current_page + 1),
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errnote='Unable to download %s' % page_name,
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query={'page': real_page_number, 'list': 'main', '_ajax': '1'},
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headers={'X-Requested-With': 'XMLHttpRequest'})
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def _tracks_page_func(self, page, video_id, page_name, current_page):
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resp = self._fetch_tracks_page(page, video_id, page_name, current_page)
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for item in self._find_urls_in_page(resp):
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yield item
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def _get_user_description(self, page_content):
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return self._html_search_regex(
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r'<div[^>]+class="profile-bio"[^>]*>(.+?)</div>',
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page_content, 'user description', fatal=False)
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class MixcloudUserIE(MixcloudPlaylistBaseIE):
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_VALID_URL = r'https?://(?:www\.)?mixcloud\.com/(?P<user>[^/]+)/(?P<type>uploads|favorites|listens)?/?$'
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IE_NAME = 'mixcloud:user'
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_TESTS = [{
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'url': 'http://www.mixcloud.com/dholbach/',
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'info_dict': {
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'id': 'dholbach_uploads',
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'title': 'Daniel Holbach (uploads)',
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'description': 'md5:def36060ac8747b3aabca54924897e47',
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},
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'playlist_mincount': 11,
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}, {
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'url': 'http://www.mixcloud.com/dholbach/uploads/',
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'info_dict': {
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'id': 'dholbach_uploads',
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'title': 'Daniel Holbach (uploads)',
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'description': 'md5:def36060ac8747b3aabca54924897e47',
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},
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'playlist_mincount': 11,
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}, {
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'url': 'http://www.mixcloud.com/dholbach/favorites/',
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'info_dict': {
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'id': 'dholbach_favorites',
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'title': 'Daniel Holbach (favorites)',
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'description': 'md5:def36060ac8747b3aabca54924897e47',
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},
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'params': {
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'playlist_items': '1-100',
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},
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'playlist_mincount': 100,
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}, {
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'url': 'http://www.mixcloud.com/dholbach/listens/',
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'info_dict': {
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'id': 'dholbach_listens',
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'title': 'Daniel Holbach (listens)',
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'description': 'md5:def36060ac8747b3aabca54924897e47',
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},
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'params': {
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'playlist_items': '1-100',
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},
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'playlist_mincount': 100,
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}]
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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user_id = mobj.group('user')
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list_type = mobj.group('type')
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# if only a profile URL was supplied, default to download all uploads
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if list_type is None:
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list_type = 'uploads'
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video_id = '%s_%s' % (user_id, list_type)
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profile = self._download_webpage(
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'https://www.mixcloud.com/%s/' % user_id, video_id,
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note='Downloading user profile',
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errnote='Unable to download user profile')
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username = self._og_search_title(profile)
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description = self._get_user_description(profile)
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entries = OnDemandPagedList(
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functools.partial(
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self._tracks_page_func,
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'%s/%s' % (user_id, list_type), video_id, 'list of %s' % list_type),
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self._PAGE_SIZE)
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return self.playlist_result(
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entries, video_id, '%s (%s)' % (username, list_type), description)
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class MixcloudPlaylistIE(MixcloudPlaylistBaseIE):
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_VALID_URL = r'https?://(?:www\.)?mixcloud\.com/(?P<user>[^/]+)/playlists/(?P<playlist>[^/]+)/?$'
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IE_NAME = 'mixcloud:playlist'
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_TESTS = [{
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'url': 'https://www.mixcloud.com/RedBullThre3style/playlists/tokyo-finalists-2015/',
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'info_dict': {
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'id': 'RedBullThre3style_tokyo-finalists-2015',
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'title': 'National Champions 2015',
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'description': 'md5:6ff5fb01ac76a31abc9b3939c16243a3',
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},
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'playlist_mincount': 16,
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}, {
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'url': 'https://www.mixcloud.com/maxvibes/playlists/jazzcat-on-ness-radio/',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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user_id = mobj.group('user')
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playlist_id = mobj.group('playlist')
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video_id = '%s_%s' % (user_id, playlist_id)
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webpage = self._download_webpage(
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url, user_id,
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note='Downloading playlist page',
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errnote='Unable to download playlist page')
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title = self._html_search_regex(
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r'<a[^>]+class="parent active"[^>]*><b>\d+</b><span[^>]*>([^<]+)',
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webpage, 'playlist title',
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default=None) or self._og_search_title(webpage, fatal=False)
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description = self._get_user_description(webpage)
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entries = OnDemandPagedList(
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functools.partial(
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self._tracks_page_func,
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'%s/playlists/%s' % (user_id, playlist_id), video_id, 'tracklist'),
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self._PAGE_SIZE)
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return self.playlist_result(entries, video_id, title, description)
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class MixcloudStreamIE(MixcloudPlaylistBaseIE):
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_VALID_URL = r'https?://(?:www\.)?mixcloud\.com/(?P<id>[^/]+)/stream/?$'
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IE_NAME = 'mixcloud:stream'
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_TEST = {
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'url': 'https://www.mixcloud.com/FirstEar/stream/',
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'info_dict': {
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'id': 'FirstEar',
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'title': 'First Ear',
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'description': 'Curators of good music\nfirstearmusic.com',
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},
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'playlist_mincount': 192,
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}
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def _real_extract(self, url):
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user_id = self._match_id(url)
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webpage = self._download_webpage(url, user_id)
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entries = []
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prev_page_url = None
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def _handle_page(page):
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entries.extend(self._find_urls_in_page(page))
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return self._search_regex(
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r'm-next-page-url="([^"]+)"', page,
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'next page URL', default=None)
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next_page_url = _handle_page(webpage)
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for idx in itertools.count(0):
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if not next_page_url or prev_page_url == next_page_url:
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break
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prev_page_url = next_page_url
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current_page = int(self._search_regex(
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r'\?page=(\d+)', next_page_url, 'next page number'))
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next_page_url = _handle_page(self._fetch_tracks_page(
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'%s/stream' % user_id, user_id, 'stream', idx,
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real_page_number=current_page))
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username = self._og_search_title(webpage)
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description = self._get_user_description(webpage)
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return self.playlist_result(entries, user_id, username, description)
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