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import json
import re
from .common import InfoExtractor
from ..utils import (
compat_str,
compat_urlparse,
ExtractorError,
)
class BandcampIE(InfoExtractor):
IE_NAME = u'Bandcamp'
_VALID_URL = r'http://.*?\.bandcamp\.com/track/(?P<title>.*)'
_TESTS = [{
u'url': u'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
u'file': u'1812978515.mp3',
u'md5': u'cdeb30cdae1921719a3cbcab696ef53c',
u'info_dict': {
u"title": u"youtube-dl test song \"'/\\\u00e4\u21ad"
},
u'skip': u'There is a limit of 200 free downloads / month for the test song'
}]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
title = mobj.group('title')
webpage = self._download_webpage(url, title)
# We get the link to the free download page
m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
if m_download is None:
m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
if m_trackinfo:
json_code = m_trackinfo.group(1)
data = json.loads(json_code)
for d in data:
formats = [{
'format_id': 'format_id',
'url': format_url,
'ext': format_id.partition('-')[0]
} for format_id, format_url in sorted(d['file'].items())]
return {
'id': compat_str(d['id']),
'title': d['title'],
'formats': formats,
}
else:
raise ExtractorError(u'No free songs found')
download_link = m_download.group(1)
id = re.search(r'var TralbumData = {(.*?)id: (?P<id>\d*?)$',
webpage, re.MULTILINE|re.DOTALL).group('id')
download_webpage = self._download_webpage(download_link, id,
'Downloading free downloads page')
# We get the dictionary of the track from some javascrip code
info = re.search(r'items: (.*?),$',
download_webpage, re.MULTILINE).group(1)
info = json.loads(info)[0]
# We pick mp3-320 for now, until format selection can be easily implemented.
mp3_info = info[u'downloads'][u'mp3-320']
# If we try to use this url it says the link has expired
initial_url = mp3_info[u'url']
re_url = r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$'
m_url = re.match(re_url, initial_url)
#We build the url we will use to get the final track url
# This url is build in Bandcamp in the script download_bunde_*.js
request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), id, m_url.group('ts'))
final_url_webpage = self._download_webpage(request_url, id, 'Requesting download url')
# If we could correctly generate the .rand field the url would be
#in the "download_url" key
final_url = re.search(r'"retry_url":"(.*?)"', final_url_webpage).group(1)
track_info = {'id':id,
'title' : info[u'title'],
'ext' : 'mp3',
'url' : final_url,
'thumbnail' : info[u'thumb_url'],
'uploader' : info[u'artist']
}
return [track_info]
class BandcampAlbumIE(InfoExtractor):
IE_NAME = u'Bandcamp:album'
_VALID_URL = r'http://.*?\.bandcamp\.com/album/(?P<title>.*)'
_TEST = {
u'url': u'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
u'playlist': [
{
u'file': u'1353101989.mp3',
u'md5': u'39bc1eded3476e927c724321ddf116cf',
u'info_dict': {
u'title': u'Intro',
}
},
{
u'file': u'38097443.mp3',
u'md5': u'1a2c32e2691474643e912cc6cd4bffaa',
u'info_dict': {
u'title': u'Kero One - Keep It Alive (Blazo remix)',
}
},
],
u'params': {
u'playlistend': 2
},
u'skip': u'Bancamp imposes download limits. See test_playlists:test_bandcamp_album for the playlist test'
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
title = mobj.group('title')
webpage = self._download_webpage(url, title)
tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage)
if not tracks_paths:
raise ExtractorError(u'The page doesn\'t contain any track')
entries = [
self.url_result(compat_urlparse.urljoin(url, t_path), ie=BandcampIE.ie_key())
for t_path in tracks_paths]
title = self._search_regex(r'album_title : "(.*?)"', webpage, u'title')
return {
'_type': 'playlist',
'title': title,
'entries': entries,
}
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