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[soundcloud]: Some improvements

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Extract thumbnails.
Make SoundcloudSetIE a subclass of SoundcloudIE to reuse some code.
Directly extract the file url without downloading an extra page.
This commit is contained in:
Jaime Marquínez Ferrándiz 2013-07-24 14:05:14 +02:00
parent c216c1894d
commit 7d2392691c
1 changed files with 34 additions and 56 deletions
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90
youtube_dl/extractor/soundcloud.py
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@ -33,10 +33,35 @@ class SoundcloudIE(InfoExtractor):
}
}
_CLIENT_ID = 'b45b1aa10f1ac2941910a7f0d10f8e28'
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):
video_id = info['id']
name = full_title or video_id
self.report_extraction(name)
thumbnail = info['artwork_url']
if thumbnail is not None:
thumbnail = thumbnail.replace('-large', '-t500x500')
return {
'id': info['id'],
'url': info['stream_url'] + '?client_id=' + self._CLIENT_ID,
'uploader': info['user']['username'],
'upload_date': unified_strdate(info['created_at']),
'title': info['title'],
'ext': u'mp3',
'description': info['description'],
'thumbnail': thumbnail,
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
@ -51,41 +76,13 @@ class SoundcloudIE(InfoExtractor):
self.report_resolve(full_title)
url = 'http://soundcloud.com/%s/%s' % (uploader, slug_title)
resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
resolv_url = self._resolv_url(url)
info_json = self._download_webpage(resolv_url, full_title, u'Downloading info JSON')
info = json.loads(info_json)
video_id = info['id']
self.report_extraction(full_title)
streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
stream_json = self._download_webpage(streams_url, full_title,
u'Downloading stream definitions',
u'unable to download stream definitions')
streams = json.loads(stream_json)
mediaURL = streams['http_mp3_128_url']
upload_date = unified_strdate(info['created_at'])
return [{
'id': info['id'],
'url': mediaURL,
'uploader': info['user']['username'],
'upload_date': upload_date,
'title': info['title'],
'ext': u'mp3',
'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
"""
return self._extract_info_dict(info, full_title)
class SoundcloudSetIE(SoundcloudIE):
_VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)(?:[?].*)?$'
IE_NAME = u'soundcloud:set'
_TEST = {
@ -153,10 +150,6 @@ class SoundcloudSetIE(InfoExtractor):
]
}
def report_resolve(self, video_id):
"""Report information extraction."""
self.to_screen(u'%s: Resolving id' % video_id)
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
@ -171,7 +164,7 @@ class SoundcloudSetIE(InfoExtractor):
self.report_resolve(full_title)
url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
resolv_url = self._resolv_url(url)
info_json = self._download_webpage(resolv_url, full_title)
videos = []
@ -182,23 +175,8 @@ class SoundcloudSetIE(InfoExtractor):
return
self.report_extraction(full_title)
for track in info['tracks']:
video_id = track['id']
streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
stream_json = self._download_webpage(streams_url, video_id, u'Downloading track info JSON')
self.report_extraction(video_id)
streams = json.loads(stream_json)
mediaURL = streams['http_mp3_128_url']
videos.append({
'id': video_id,
'url': mediaURL,
'uploader': track['user']['username'],
'upload_date': unified_strdate(track['created_at']),
'title': track['title'],
'ext': u'mp3',
'description': track['description'],
})
return videos
return {'_type': 'playlist',
'entries': [self._extract_info_dict(track) for track in info['tracks']],
'id': info['id'],
'title': info['title'],
}