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youtube-dl
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youtube-dl/youtube_dl/extractor/soundcloud.py

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# encoding: utf-8
import json
import re
import itertools
from .common import InfoExtractor
from ..utils import (
compat_str,
compat_urlparse,
compat_urllib_parse,
ExtractorError,
unified_strdate,
)
class SoundcloudIE(InfoExtractor):
"""Information extractor for soundcloud.com
To access the media, the uid of the song and a stream token
must be extracted from the page source and the script must make
a request to media.soundcloud.com/crossdomain.xml. Then
the media can be grabbed by requesting from an url composed
of the stream token and uid
"""
_VALID_URL = r'''^(?:https?://)?
(?:(?:(?:www\.)?soundcloud\.com/
(?P<uploader>[\w\d-]+)/
(?!sets/)(?P<title>[\w\d-]+)/?
(?P<token>[^?]+?)?(?:[?].*)?$)
|(?:api\.soundcloud\.com/tracks/(?P<track_id>\d+))
|(?P<widget>w\.soundcloud\.com/player/?.*?url=.*)
)
'''
IE_NAME = u'soundcloud'
_TESTS = [
{
u'url': u'http://soundcloud.com/ethmusic/lostin-powers-she-so-heavy',
u'file': u'62986583.mp3',
u'md5': u'ebef0a451b909710ed1d7787dddbf0d7',
u'info_dict': {
u"upload_date": u"20121011",
u"description": u"No Downloads untill we record the finished version this weekend, i was too pumped n i had to post it , earl is prolly gonna b hella p.o'd",
u"uploader": u"E.T. ExTerrestrial Music",
u"title": u"Lostin Powers - She so Heavy (SneakPreview) Adrian Ackers Blueprint 1"
}
},
# not streamable song
{
u'url': u'https://soundcloud.com/the-concept-band/goldrushed-mastered?in=the-concept-band/sets/the-royal-concept-ep',
u'info_dict': {
u'id': u'47127627',
u'ext': u'mp3',
u'title': u'Goldrushed',
u'uploader': u'The Royal Concept',
u'upload_date': u'20120521',
},
u'params': {
# rtmp
u'skip_download': True,
},
},
# private link
{
u'url': u'https://soundcloud.com/jaimemf/youtube-dl-test-video-a-y-baw/s-8Pjrp',
u'md5': u'aa0dd32bfea9b0c5ef4f02aacd080604',
u'info_dict': {
u'id': u'123998367',
u'ext': u'mp3',
u'title': u'Youtube - Dl Test Video \'\' Ä↭',
u'uploader': u'jaimeMF',
u'description': u'test chars: \"\'/\\ä↭',
u'upload_date': u'20131209',
},
},
]
_CLIENT_ID = 'b45b1aa10f1ac2941910a7f0d10f8e28'
_IPHONE_CLIENT_ID = '376f225bf427445fc4bfb6b99b72e0bf'
@classmethod
def suitable(cls, url):
return re.match(cls._VALID_URL, url, flags=re.VERBOSE) is not None
def report_resolve(self, video_id):
"""Report information extraction."""
self.to_screen(u'%s: Resolving id' % video_id)
@classmethod
def _resolv_url(cls, url):
return 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=' + cls._CLIENT_ID
def _extract_info_dict(self, info, full_title=None, quiet=False, secret_token=None):
track_id = compat_str(info['id'])
name = full_title or track_id
if quiet:
self.report_extraction(name)
thumbnail = info['artwork_url']
if thumbnail is not None:
thumbnail = thumbnail.replace('-large', '-t500x500')
ext = info.get('original_format', u'mp3')
result = {
'id': track_id,
'uploader': info['user']['username'],
'upload_date': unified_strdate(info['created_at']),
'title': info['title'],
'description': info['description'],
'thumbnail': thumbnail,
}
if info.get('downloadable', False):
# We can build a direct link to the song
format_url = (
u'https://api.soundcloud.com/tracks/{0}/download?client_id={1}'.format(
track_id, self._CLIENT_ID))
result['formats'] = [{
'format_id': 'download',
'ext': ext,
'url': format_url,
'vcodec': 'none',
}]
else:
# We have to retrieve the url
streams_url = ('http://api.soundcloud.com/i1/tracks/{0}/streams?'
'client_id={1}&secret_token={2}'.format(track_id, self._IPHONE_CLIENT_ID, secret_token))
stream_json = self._download_webpage(
streams_url,
track_id, u'Downloading track url')
formats = []
format_dict = json.loads(stream_json)
for key, stream_url in format_dict.items():
if key.startswith(u'http'):
formats.append({
'format_id': key,
'ext': ext,
'url': stream_url,
'vcodec': 'none',
})
elif key.startswith(u'rtmp'):
# The url doesn't have an rtmp app, we have to extract the playpath
url, path = stream_url.split('mp3:', 1)
formats.append({
'format_id': key,
'url': url,
'play_path': 'mp3:' + path,
'ext': ext,
'vcodec': 'none',
})
if not formats:
# We fallback to the stream_url in the original info, this
# cannot be always used, sometimes it can give an HTTP 404 error
formats.append({
'format_id': u'fallback',
'url': info['stream_url'] + '?client_id=' + self._CLIENT_ID,
'ext': ext,
'vcodec': 'none',
})
def format_pref(f):
if f['format_id'].startswith('http'):
return 2
if f['format_id'].startswith('rtmp'):
return 1
return 0
formats.sort(key=format_pref)
result['formats'] = formats
return result
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
track_id = mobj.group('track_id')
token = None
if track_id is not None:
info_json_url = 'http://api.soundcloud.com/tracks/' + track_id + '.json?client_id=' + self._CLIENT_ID
full_title = track_id
elif mobj.group('widget'):
query = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
return self.url_result(query['url'][0], ie='Soundcloud')
else:
# extract uploader (which is in the url)
uploader = mobj.group('uploader')
# extract simple title (uploader + slug of song title)
slug_title = mobj.group('title')
token = mobj.group('token')
full_title = resolve_title = '%s/%s' % (uploader, slug_title)
if token:
resolve_title += '/%s' % token
self.report_resolve(full_title)
url = 'http://soundcloud.com/%s' % resolve_title
info_json_url = self._resolv_url(url)
info_json = self._download_webpage(info_json_url, full_title, u'Downloading info JSON')
info = json.loads(info_json)
return self._extract_info_dict(info, full_title, secret_token=token)
class SoundcloudSetIE(SoundcloudIE):
_VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)(?:[?].*)?$'
IE_NAME = u'soundcloud:set'
# it's in tests/test_playlists.py
_TESTS = []
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
# extract uploader (which is in the url)
uploader = mobj.group(1)
# extract simple title (uploader + slug of song title)
slug_title = mobj.group(2)
full_title = '%s/sets/%s' % (uploader, slug_title)
self.report_resolve(full_title)
url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
resolv_url = self._resolv_url(url)
info_json = self._download_webpage(resolv_url, full_title)
info = json.loads(info_json)
if 'errors' in info:
for err in info['errors']:
self._downloader.report_error(u'unable to download video webpage: %s' % compat_str(err['error_message']))
return
self.report_extraction(full_title)
return {'_type': 'playlist',
'entries': [self._extract_info_dict(track) for track in info['tracks']],
'id': info['id'],
'title': info['title'],
}
class SoundcloudUserIE(SoundcloudIE):
_VALID_URL = r'https?://(www\.)?soundcloud\.com/(?P<user>[^/]+)(/?(tracks/)?)?(\?.*)?$'
IE_NAME = u'soundcloud:user'
# it's in tests/test_playlists.py
_TESTS = []
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
uploader = mobj.group('user')
url = 'http://soundcloud.com/%s/' % uploader
resolv_url = self._resolv_url(url)
user_json = self._download_webpage(resolv_url, uploader,
u'Downloading user info')
user = json.loads(user_json)
tracks = []
for i in itertools.count():
data = compat_urllib_parse.urlencode({'offset': i*50,
'client_id': self._CLIENT_ID,
})
tracks_url = 'http://api.soundcloud.com/users/%s/tracks.json?' % user['id'] + data
response = self._download_webpage(tracks_url, uploader,
u'Downloading tracks page %s' % (i+1))
new_tracks = json.loads(response)
tracks.extend(self._extract_info_dict(track, quiet=True) for track in new_tracks)
if len(new_tracks) < 50:
break
return {
'_type': 'playlist',
'id': compat_str(user['id']),
'title': user['username'],
'entries': tracks,
}
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