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import json
import re
from .common import InfoExtractor
from ..utils import (
compat_str,
compat_urlparse,
ExtractorError,
)
class BandcampIE(InfoExtractor):
_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'c557841d5e50261777a6585648adf439',
u'info_dict': {
u"title": u"youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
u"duration": 10,
},
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)
d = data[0]
duration = int(round(d['duration']))
formats = []
for format_id, format_url in d['file'].items():
ext, _, abr_str = format_id.partition('-')
formats.append({
'format_id': format_id,
'url': format_url,
'ext': format_id.partition('-')[0],
'vcodec': 'none',
'acodec': format_id.partition('-')[0],
'abr': int(format_id.partition('-')[2]),
})
self._sort_formats(formats)
return {
'id': compat_str(d['id']),
'title': d['title'],
'formats': formats,
'duration': duration,
}
else:
raise ExtractorError(u'No free songs found')
download_link = m_download.group(1)
video_id = re.search(
r'var TralbumData = {(.*?)id: (?P<id>\d*?)$',
webpage, re.MULTILINE | re.DOTALL).group('id')
download_webpage = self._download_webpage(download_link, video_id,
'Downloading free downloads page')
# We get the dictionary of the track from some javascrip code
info = re.search(r'items: (.*?),$',
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'), video_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)
return {
'id': video_id,
'title': info[u'title'],
'ext': 'mp3',
'vcodec': 'none',
'url': final_url,
'thumbnail': info[u'thumb_url'],
'uploader': info[u'artist'],
}
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 tracks')
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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