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youtube-dl/youtube_dl/extractor/soundcloud.py
2013-09-14 21:41:49 +02:00

242 lines
9.4 KiB
Python

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/([\w\d-]+)/([\w\d-]+)/?(?:[?].*)?$)
|(?:api\.soundcloud\.com/tracks/(?P<track_id>\d+))
|(?P<widget>w.soundcloud.com/player/?.*?url=.*)
)
'''
IE_NAME = u'soundcloud'
_TEST = {
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"
}
}
_CLIENT_ID = 'b45b1aa10f1ac2941910a7f0d10f8e28'
@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):
video_id = info['id']
name = full_title or video_id
if quiet == False:
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, flags=re.VERBOSE)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
track_id = mobj.group('track_id')
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(1)
# extract simple title (uploader + slug of song title)
slug_title = mobj.group(2)
full_title = '%s/%s' % (uploader, slug_title)
self.report_resolve(full_title)
url = 'http://soundcloud.com/%s/%s' % (uploader, slug_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)
class SoundcloudSetIE(SoundcloudIE):
_VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)(?:[?].*)?$'
IE_NAME = u'soundcloud:set'
_TEST = {
u"url":"https://soundcloud.com/the-concept-band/sets/the-royal-concept-ep",
u"playlist": [
{
u"file":"30510138.mp3",
u"md5":"f9136bf103901728f29e419d2c70f55d",
u"info_dict": {
u"upload_date": u"20111213",
u"description": u"The Royal Concept from Stockholm\r\nFilip / Povel / David / Magnus\r\nwww.royalconceptband.com",
u"uploader": u"The Royal Concept",
u"title": u"D-D-Dance"
}
},
{
u"file":"47127625.mp3",
u"md5":"09b6758a018470570f8fd423c9453dd8",
u"info_dict": {
u"upload_date": u"20120521",
u"description": u"The Royal Concept from Stockholm\r\nFilip / Povel / David / Magnus\r\nwww.royalconceptband.com",
u"uploader": u"The Royal Concept",
u"title": u"The Royal Concept - Gimme Twice"
}
},
{
u"file":"47127627.mp3",
u"md5":"154abd4e418cea19c3b901f1e1306d9c",
u"info_dict": {
u"upload_date": u"20120521",
u"uploader": u"The Royal Concept",
u"title": u"Goldrushed"
}
},
{
u"file":"47127629.mp3",
u"md5":"2f5471edc79ad3f33a683153e96a79c1",
u"info_dict": {
u"upload_date": u"20120521",
u"description": u"The Royal Concept from Stockholm\r\nFilip / Povel / David / Magnus\r\nwww.royalconceptband.com",
u"uploader": u"The Royal Concept",
u"title": u"In the End"
}
},
{
u"file":"47127631.mp3",
u"md5":"f9ba87aa940af7213f98949254f1c6e2",
u"info_dict": {
u"upload_date": u"20120521",
u"description": u"The Royal Concept from Stockholm\r\nFilip / David / Povel / Magnus\r\nwww.theroyalconceptband.com",
u"uploader": u"The Royal Concept",
u"title": u"Knocked Up"
}
},
{
u"file":"75206121.mp3",
u"md5":"f9d1fe9406717e302980c30de4af9353",
u"info_dict": {
u"upload_date": u"20130116",
u"description": u"The unreleased track World on Fire premiered on the CW's hit show Arrow (8pm/7pm central). \r\nAs a gift to our fans we would like to offer you a free download of the track! ",
u"uploader": u"The Royal Concept",
u"title": u"World On Fire"
}
}
]
}
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)
videos = []
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
_TEST = None
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,
}