Merge remote-tracking branch 'ngokevin/soundcloud'

This commit is contained in:
Philipp Hagemeister 2011-11-15 22:37:49 +01:00
commit 1724e7c461

View file

@ -3482,6 +3482,107 @@ class XVideosIE(InfoExtractor):
self._downloader.trouble(u'\nERROR: unable to download ' + video_id) self._downloader.trouble(u'\nERROR: unable to download ' + video_id)
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/([\w\d-]+)/([\w\d-]+)'
IE_NAME = u'soundcloud'
def __init__(self, downloader=None):
InfoExtractor.__init__(self, downloader)
def report_webpage(self, video_id):
"""Report information extraction."""
self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
def report_extraction(self, video_id):
"""Report information extraction."""
self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
def _real_initialize(self):
return
def _real_extract(self, url):
htmlParser = HTMLParser.HTMLParser()
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).decode('utf-8')
# extract simple title (uploader + slug of song title)
slug_title = mobj.group(2).decode('utf-8')
simple_title = uploader + '-' + slug_title
self.report_webpage('%s/%s' % (uploader, slug_title))
request = urllib2.Request('http://soundcloud.com/%s/%s' % (uploader, slug_title))
try:
webpage = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
return
self.report_extraction('%s/%s' % (uploader, slug_title))
# extract uid and stream token that soundcloud hands out for access
mobj = re.search('"uid":"([\w\d]+?)".*?stream_token=([\w\d]+)', webpage)
if mobj:
video_id = mobj.group(1)
stream_token = mobj.group(2)
# extract unsimplified title
mobj = re.search('"title":"(.*?)",', webpage)
if mobj:
title = mobj.group(1)
# construct media url (with uid/token)
mediaURL = "http://media.soundcloud.com/stream/%s?stream_token=%s"
mediaURL = mediaURL % (video_id, stream_token)
# description
description = u'No description available'
mobj = re.search('track-description-value"><p>(.*?)</p>', webpage)
if mobj:
description = mobj.group(1)
# upload date
upload_date = None
mobj = re.search("pretty-date'>on ([\w]+ [\d]+, [\d]+ \d+:\d+)</abbr></h2>", webpage)
if mobj:
try:
upload_date = datetime.datetime.strptime(mobj.group(1), '%B %d, %Y %H:%M').strftime('%Y%m%d')
except Exception as e:
print str(e)
# for soundcloud, a request to a cross domain is required for cookies
request = urllib2.Request('http://media.soundcloud.com/crossdomain.xml', std_headers)
try:
self._downloader.process_info({
'id': video_id.decode('utf-8'),
'url': mediaURL,
'uploader': uploader.decode('utf-8'),
'upload_date': upload_date,
'title': simple_title.decode('utf-8'),
'stitle': simple_title.decode('utf-8'),
'ext': u'mp3',
'format': u'NA',
'player_url': None,
'description': description.decode('utf-8')
})
except UnavailableVideoError:
self._downloader.trouble(u'\nERROR: unable to download video')
class PostProcessor(object): class PostProcessor(object):
"""Post Processor class. """Post Processor class.
@ -3878,6 +3979,7 @@ def gen_extractors():
EscapistIE(), EscapistIE(),
CollegeHumorIE(), CollegeHumorIE(),
XVideosIE(), XVideosIE(),
SoundcloudIE(),
GenericIE() GenericIE()
] ]