130 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			130 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
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								import json
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								import re
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								from .common import InfoExtractor
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								from ..utils import (
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								    compat_str,
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								    ExtractorError,
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								    unified_strdate,
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								)
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								class SoundcloudIE(InfoExtractor):
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								    """Information extractor for soundcloud.com
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								       To access the media, the uid of the song and a stream token
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								       must be extracted from the page source and the script must make
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								       a request to media.soundcloud.com/crossdomain.xml. Then
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								       the media can be grabbed by requesting from an url composed
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								       of the stream token and uid
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								     """
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								    _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/([\w\d-]+)'
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								    IE_NAME = u'soundcloud'
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								    def report_resolve(self, video_id):
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								        """Report information extraction."""
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								        self.to_screen(u'%s: Resolving id' % video_id)
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								    def _real_extract(self, url):
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								        mobj = re.match(self._VALID_URL, url)
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								        if mobj is None:
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								            raise ExtractorError(u'Invalid URL: %s' % url)
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								        # extract uploader (which is in the url)
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								        uploader = mobj.group(1)
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								        # extract simple title (uploader + slug of song title)
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								        slug_title =  mobj.group(2)
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								        full_title = '%s/%s' % (uploader, slug_title)
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								        self.report_resolve(full_title)
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								        url = 'http://soundcloud.com/%s/%s' % (uploader, slug_title)
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								        resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
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								        info_json = self._download_webpage(resolv_url, full_title, u'Downloading info JSON')
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								        info = json.loads(info_json)
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								        video_id = info['id']
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								        self.report_extraction(full_title)
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								        streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
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								        stream_json = self._download_webpage(streams_url, full_title,
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								                                             u'Downloading stream definitions',
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								                                             u'unable to download stream definitions')
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								        streams = json.loads(stream_json)
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								        mediaURL = streams['http_mp3_128_url']
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								        upload_date = unified_strdate(info['created_at'])
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								        return [{
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								            'id':       info['id'],
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								            'url':      mediaURL,
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								            'uploader': info['user']['username'],
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								            'upload_date': upload_date,
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								            'title':    info['title'],
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								            'ext':      u'mp3',
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								            'description': info['description'],
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								        }]
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								class SoundcloudSetIE(InfoExtractor):
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								    """Information extractor for soundcloud.com sets
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								       To access the media, the uid of the song and a stream token
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								       must be extracted from the page source and the script must make
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								       a request to media.soundcloud.com/crossdomain.xml. Then
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								       the media can be grabbed by requesting from an url composed
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								       of the stream token and uid
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								     """
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								    _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)'
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								    IE_NAME = u'soundcloud:set'
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								    def report_resolve(self, video_id):
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								        """Report information extraction."""
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								        self.to_screen(u'%s: Resolving id' % video_id)
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								    def _real_extract(self, url):
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								        mobj = re.match(self._VALID_URL, url)
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								        if mobj is None:
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								            raise ExtractorError(u'Invalid URL: %s' % url)
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								        # extract uploader (which is in the url)
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								        uploader = mobj.group(1)
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								        # extract simple title (uploader + slug of song title)
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								        slug_title =  mobj.group(2)
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								        full_title = '%s/sets/%s' % (uploader, slug_title)
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								        self.report_resolve(full_title)
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								        url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
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								        resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
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								        info_json = self._download_webpage(resolv_url, full_title)
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								        videos = []
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								        info = json.loads(info_json)
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								        if 'errors' in info:
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								            for err in info['errors']:
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								                self._downloader.report_error(u'unable to download video webpage: %s' % compat_str(err['error_message']))
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								            return
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								        self.report_extraction(full_title)
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								        for track in info['tracks']:
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								            video_id = track['id']
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								            streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
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								            stream_json = self._download_webpage(streams_url, video_id, u'Downloading track info JSON')
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								            self.report_extraction(video_id)
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								            streams = json.loads(stream_json)
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								            mediaURL = streams['http_mp3_128_url']
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								            videos.append({
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								                'id':       video_id,
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								                'url':      mediaURL,
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								                'uploader': track['user']['username'],
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								                'upload_date':  unified_strdate(track['created_at']),
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								                'title':    track['title'],
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								                'ext':      u'mp3',
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								                'description': track['description'],
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								            })
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								        return videos
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