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SoundcloudSetIE

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info extractor for soundcloud sets
This commit is contained in:
dodo 2013-03-24 02:24:07 +01:00
parent f10b2a9c14
commit 5011cded16
1 changed files with 82 additions and 0 deletions
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82
youtube_dl/InfoExtractors.py
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@ -2802,6 +2802,87 @@ def _real_extract(self, url):
'description': info['description'],
}]
class SoundcloudSetIE(InfoExtractor):
"""Information extractor for soundcloud.com sets
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/([\w\d-]+)/sets/([\w\d-]+)'
IE_NAME = u'soundcloud'
def __init__(self, downloader=None):
InfoExtractor.__init__(self, downloader)
def report_resolve(self, video_id):
"""Report information extraction."""
self._downloader.to_screen(u'[%s] %s: Resolving id' % (self.IE_NAME, video_id))
def report_extraction(self, video_id):
"""Report information extraction."""
self._downloader.to_screen(u'[%s] %s: Retrieving stream' % (self.IE_NAME, video_id))
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
return
# extract uploader (which is in the url)
uploader = mobj.group(1)
# extract simple title (uploader + slug of song title)
slug_title = mobj.group(2)
simple_title = uploader + u'-' + slug_title
self.report_resolve('%s/sets/%s' % (uploader, slug_title))
url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
request = compat_urllib_request.Request(resolv_url)
try:
info_json_bytes = compat_urllib_request.urlopen(request).read()
info_json = info_json_bytes.decode('utf-8')
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err))
return
videos = []
info = json.loads(info_json)
if 'errors' in info:
for err in info['errors']:
self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err['error_message']))
return
for track in info['tracks']:
video_id = track['id']
self.report_extraction('%s/sets/%s' % (uploader, slug_title))
streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
request = compat_urllib_request.Request(streams_url)
try:
stream_json_bytes = compat_urllib_request.urlopen(request).read()
stream_json = stream_json_bytes.decode('utf-8')
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self._downloader.trouble(u'ERROR: unable to download stream definitions: %s' % compat_str(err))
return
streams = json.loads(stream_json)
mediaURL = streams['http_mp3_128_url']
videos.append({
'id': video_id,
'url': mediaURL,
'uploader': track['user']['username'],
'upload_date': track['created_at'],
'title': track['title'],
'ext': u'mp3',
'description': track['description'],
})
return videos
class InfoQIE(InfoExtractor):
"""Information extractor for infoq.com"""
@ -4187,6 +4268,7 @@ def gen_extractors():
EscapistIE(),
CollegeHumorIE(),
XVideosIE(),
SoundcloudSetIE(),
SoundcloudIE(),
InfoQIE(),
MixcloudIE(),