mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-31 02:23:06 +08:00
Added new IE for Grooveshark
This commit is contained in:
Keith Beckman
parent
f50ee8d1c3
commit
dd06c95e43
@ -56,6 +56,7 @@ __authors__ = (
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'Nicolas Évrard',
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'Jason Normore',
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'Hoje Lee',
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'Keith Beckman'
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)
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__license__ = 'Public Domain'
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@ -109,6 +109,7 @@ from .gdcvault import GDCVaultIE
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from .generic import GenericIE
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from .googleplus import GooglePlusIE
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from .googlesearch import GoogleSearchIE
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from .grooveshark import GroovesharkIE
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from .hark import HarkIE
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from .helsinki import HelsinkiIE
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from .hentaistigma import HentaiStigmaIE
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200
youtube_dl/extractor/grooveshark.py
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200
youtube_dl/extractor/grooveshark.py
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@ -0,0 +1,200 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import time
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import math
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import re
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from urlparse import urlparse, urlunparse, urldefrag
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from urllib import quote, urlencode
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from os.path import basename
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from .common import InfoExtractor
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from ..utils import ExtractorError, compat_urllib_request, compat_html_parser
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class GroovesharkHtmlParser(compat_html_parser.HTMLParser):
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def __init__(self):
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self._current_object = None
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self.objects = []
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compat_html_parser.HTMLParser.__init__(self)
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def handle_starttag(self, tag, attrs):
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attrs = dict((k, v) for k, v in attrs)
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if tag == 'object':
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self._current_object = { 'attrs': attrs, 'params': [] }
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elif tag == 'param':
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self._current_object['params'].append(attrs)
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def handle_endtag(self, tag):
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if tag == 'object':
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self.objects.append(self._current_object)
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self._current_object = None
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@classmethod
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def extract_object_tags(cls, html):
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p = cls()
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p.feed(html)
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p.close()
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return p.objects
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class GroovesharkIE(InfoExtractor):
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_VALID_URL = r'https?://(www\.)?grooveshark\.com/#!/s/([^/]+)/([^/]+)'
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_TEST = {
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'url': 'http://grooveshark.com/#!/s/Jolene+Tenth+Key+Remix+Ft+Will+Sessions/6SS1DW?src=5',
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'md5': 'bbccc50b19daca23b8f961152c1dc95b',
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'info_dict': {
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'id': '6SS1DW',
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'title': 'Jolene (Tenth Key Remix ft. Will Sessions)',
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'ext': 'mp3',
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'duration': 227
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}
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}
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do_playerpage_request = True
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do_bootstrap_request = True
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def _parse_target(self, target):
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uri = urlparse(target)
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hash = uri.fragment[1:].split('?')[0]
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token = basename(hash.rstrip('/'))
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return (uri, hash, token)
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def _build_bootstrap_url(self, target):
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(uri, hash, token) = self._parse_target(target)
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query = 'getCommunicationToken=1&hash=%s&%d' % (quote(hash, safe=''), self.ts)
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return (urlunparse((uri.scheme, uri.netloc, '/preload.php', None, query, None)), token)
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def _build_meta_url(self, target):
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(uri, hash, token) = self._parse_target(target)
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query = 'hash=%s&%d' % (quote(hash, safe=''), self.ts)
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return (urlunparse((uri.scheme, uri.netloc, '/preload.php', None, query, None)), token)
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def _build_stream_url(self, meta):
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return urlunparse(('http', meta['streamKey']['ip'], '/stream.php', None, None, None))
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def _build_swf_referer(self, target, obj):
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(uri, _, _) = self._parse_target(target)
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return urlunparse((uri.scheme, uri.netloc, obj['attrs']['data'], None, None, None))
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def _transform_bootstrap(self, js):
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return re.split('^\s*try\s*{', js, flags=re.M)[0] \
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.split(' = ', 1)[1].strip().rstrip(';')
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def _transform_meta(self, js):
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return js.split('\n')[0].split('=')[1].rstrip(';')
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def _get_meta(self, target):
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(meta_url, token) = self._build_meta_url(target)
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self.to_screen('Metadata URL: %s' % meta_url)
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headers = {'Referer': urldefrag(target)[0]}
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req = compat_urllib_request.Request(meta_url, headers=headers)
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res = self._download_json(req, token,
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transform_source=self._transform_meta)
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if 'getStreamKeyWithSong' not in res:
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raise ExtractorError(
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'Metadata not found. URL may be malformed, or Grooveshark API may have changed.')
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if res['getStreamKeyWithSong'] is None:
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raise ExtractorError(
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'Metadata download failed, probably due to Grooveshark anti-abuse throttling. Wait at least an hour before retrying from this IP.',
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expected=True)
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return res['getStreamKeyWithSong']
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def _get_bootstrap(self, target):
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(bootstrap_url, token) = self._build_bootstrap_url(target)
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headers = {'Referer': urldefrag(target)[0]}
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req = compat_urllib_request.Request(bootstrap_url, headers=headers)
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res = self._download_json(req, token, fatal=False,
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note='Downloading player bootstrap data',
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errnote='Unable to download player bootstrap data',
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transform_source=self._transform_bootstrap)
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return res
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def _get_playerpage(self, target):
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(_, _, token) = self._parse_target(target)
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res = self._download_webpage(
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target, token,
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note='Downloading player page',
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errnote='Unable to download player page',
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fatal=False)
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if res is not None:
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o = GroovesharkHtmlParser.extract_object_tags(res)
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return (res, [x for x in o if x['attrs']['id'] == 'jsPlayerEmbed'])
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return (res, None)
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def _real_extract(self, url):
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(target_uri, _, token) = self._parse_target(url)
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# 1. Fill cookiejar by making a request to the player page
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if self.do_playerpage_request:
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(_, player_objs) = self._get_playerpage(url)
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if player_objs is not None:
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swf_referer = self._build_swf_referer(url, player_objs[0])
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self.to_screen('SWF Referer: %s' % swf_referer)
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# 2. Ask preload.php for swf bootstrap data to better mimic webapp
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if self.do_bootstrap_request:
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bootstrap = self._get_bootstrap(url)
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self.to_screen('CommunicationToken: %s' % bootstrap['getCommunicationToken'])
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# 3. Ask preload.php for track metadata.
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meta = self._get_meta(url)
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# 4. Construct stream request for track.
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stream_url = self._build_stream_url(meta)
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duration = int(math.ceil(float(meta['streamKey']['uSecs']) / 1000000))
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post_dict = {'streamKey': meta['streamKey']['streamKey']}
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post_data = urlencode(post_dict).encode('utf-8')
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headers = {
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'Content-Length': len(post_data),
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'Content-Type': 'application/x-www-form-urlencoded'
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}
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if 'swf_referer' in locals():
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headers['Referer'] = swf_referer
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req = compat_urllib_request.Request(streamurl, post_data, headers)
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info_dict = {
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'id': token,
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'title': meta['song']['Name'],
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'http_method': 'POST',
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'url': stream_url,
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'ext': 'mp3',
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'format': 'mp3 audio',
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'duration': duration,
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'post_data': post_data,
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'post_dict': post_dict,
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'headers': headers,
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'request': req
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}
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if 'swf_referer' in locals():
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info_dict['http_referer'] = swf_referer
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return info_dict
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def _real_initialize(self):
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self.ts = int(time.time() * 1000) # timestamp in millis
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def _download_json(self, url_or_request, video_id,
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note=u'Downloading JSON metadata',
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errnote=u'Unable to download JSON metadata',
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fatal=True,
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transform_source=None):
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try:
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out = super(GroovesharkIE, self)._download_json(
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url_or_request, video_id, note, errnote, transform_source)
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return out
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except ExtractorError as ee:
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if fatal:
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raise ee
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return None
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