mirror of
https://gitlab.com/dstftw/youtube-dl.git
synced 2020-11-16 09:42:26 +00:00
64 lines
2.8 KiB
Python
64 lines
2.8 KiB
Python
import json
|
|
import re
|
|
|
|
from .common import InfoExtractor
|
|
from ..utils import (
|
|
ExtractorError,
|
|
)
|
|
|
|
|
|
class BandcampIE(InfoExtractor):
|
|
_VALID_URL = r'http://.*?\.bandcamp\.com/track/(?P<title>.*)'
|
|
_TEST = {
|
|
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:
|
|
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]
|