forked from minhngoc25a/yt-dlc
130 lines
5.1 KiB
Python
130 lines
5.1 KiB
Python
import json
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import re
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from .common import InfoExtractor
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from ..utils import (
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compat_str,
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compat_urlparse,
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ExtractorError,
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)
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class BandcampIE(InfoExtractor):
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IE_NAME = u'Bandcamp'
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_VALID_URL = r'http://.*?\.bandcamp\.com/track/(?P<title>.*)'
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_TESTS = [{
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u'url': u'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
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u'file': u'1812978515.mp3',
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u'md5': u'cdeb30cdae1921719a3cbcab696ef53c',
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u'info_dict': {
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u"title": u"youtube-dl test song \"'/\\\u00e4\u21ad"
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},
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u'skip': u'There is a limit of 200 free downloads / month for the test song'
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}]
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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title = mobj.group('title')
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webpage = self._download_webpage(url, title)
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# We get the link to the free download page
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m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
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if m_download is None:
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m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
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if m_trackinfo:
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json_code = m_trackinfo.group(1)
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data = json.loads(json_code)
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for d in data:
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formats = [{
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'format_id': 'format_id',
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'url': format_url,
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'ext': format_id.partition('-')[0]
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} for format_id, format_url in sorted(d['file'].items())]
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return {
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'id': compat_str(d['id']),
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'title': d['title'],
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'formats': formats,
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}
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else:
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raise ExtractorError(u'No free songs found')
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download_link = m_download.group(1)
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id = re.search(r'var TralbumData = {(.*?)id: (?P<id>\d*?)$',
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webpage, re.MULTILINE|re.DOTALL).group('id')
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download_webpage = self._download_webpage(download_link, id,
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'Downloading free downloads page')
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# We get the dictionary of the track from some javascrip code
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info = re.search(r'items: (.*?),$',
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download_webpage, re.MULTILINE).group(1)
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info = json.loads(info)[0]
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# We pick mp3-320 for now, until format selection can be easily implemented.
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mp3_info = info[u'downloads'][u'mp3-320']
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# If we try to use this url it says the link has expired
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initial_url = mp3_info[u'url']
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re_url = r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$'
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m_url = re.match(re_url, initial_url)
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#We build the url we will use to get the final track url
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# This url is build in Bandcamp in the script download_bunde_*.js
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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'))
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final_url_webpage = self._download_webpage(request_url, id, 'Requesting download url')
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# If we could correctly generate the .rand field the url would be
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#in the "download_url" key
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final_url = re.search(r'"retry_url":"(.*?)"', final_url_webpage).group(1)
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track_info = {'id':id,
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'title' : info[u'title'],
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'ext' : 'mp3',
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'url' : final_url,
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'thumbnail' : info[u'thumb_url'],
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'uploader' : info[u'artist']
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}
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return [track_info]
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class BandcampAlbumIE(InfoExtractor):
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IE_NAME = u'Bandcamp:album'
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_VALID_URL = r'http://.*?\.bandcamp\.com/album/(?P<title>.*)'
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_TEST = {
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u'url': u'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
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u'playlist': [
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{
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u'file': u'1353101989.mp3',
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u'md5': u'39bc1eded3476e927c724321ddf116cf',
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u'info_dict': {
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u'title': u'Intro',
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}
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},
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{
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u'file': u'38097443.mp3',
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u'md5': u'1a2c32e2691474643e912cc6cd4bffaa',
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u'info_dict': {
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u'title': u'Kero One - Keep It Alive (Blazo remix)',
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}
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},
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],
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u'params': {
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u'playlistend': 2
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},
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u'skip': u'Bancamp imposes download limits. See test_playlists:test_bandcamp_album for the playlist test'
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}
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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title = mobj.group('title')
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webpage = self._download_webpage(url, title)
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tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage)
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if not tracks_paths:
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raise ExtractorError(u'The page doesn\'t contain any track')
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entries = [
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self.url_result(compat_urlparse.urljoin(url, t_path), ie=BandcampIE.ie_key())
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for t_path in tracks_paths]
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title = self._search_regex(r'album_title : "(.*?)"', webpage, u'title')
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return {
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'_type': 'playlist',
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'title': title,
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'entries': entries,
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}
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