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from __future__ import unicode_literals
import json
import random
import re
import time
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_urlparse,
)
from ..utils import (
ExtractorError,
float_or_none,
int_or_none,
parse_filesize,
unescapeHTML,
update_url_query,
)
class BandcampIE(InfoExtractor):
_VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>.*)'
_TESTS = [{
'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
'md5': 'c557841d5e50261777a6585648adf439',
'info_dict': {
'id': '1812978515',
'ext': 'mp3',
'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
'duration': 9.8485,
},
'_skip': 'There is a limit of 200 free downloads / month for the test song'
}, {
'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
'md5': '73d0b3171568232574e45652f8720b5c',
'info_dict': {
'id': '2650410135',
'ext': 'mp3',
'title': 'Lanius (Battle)',
'uploader': 'Ben Prunty Music',
},
}]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
title = mobj.group('title')
webpage = self._download_webpage(url, title)
m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
if not m_download:
m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
if m_trackinfo:
json_code = m_trackinfo.group(1)
data = json.loads(json_code)[0]
track_id = compat_str(data['id'])
if not data.get('file'):
raise ExtractorError('Not streamable', video_id=track_id, expected=True)
formats = []
for format_id, format_url in data['file'].items():
ext, abr_str = format_id.split('-', 1)
formats.append({
'format_id': format_id,
'url': self._proto_relative_url(format_url, 'http:'),
'ext': ext,
'vcodec': 'none',
'acodec': ext,
'abr': int_or_none(abr_str),
})
self._sort_formats(formats)
return {
'id': track_id,
'title': data['title'],
'formats': formats,
'duration': float_or_none(data.get('duration')),
}
else:
raise ExtractorError('No free songs found')
download_link = m_download.group(1)
video_id = self._search_regex(
r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
webpage, 'video id')
download_webpage = self._download_webpage(
download_link, video_id, 'Downloading free downloads page')
blob = self._parse_json(
self._search_regex(
r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage,
'blob', group='blob'),
video_id, transform_source=unescapeHTML)
info = blob['digital_items'][0]
downloads = info['downloads']
track = info['title']
artist = info.get('artist')
title = '%s - %s' % (artist, track) if artist else track
download_formats = {}
for f in blob['download_formats']:
name, ext = f.get('name'), f.get('file_extension')
if all(isinstance(x, compat_str) for x in (name, ext)):
download_formats[name] = ext.strip('.')
formats = []
for format_id, f in downloads.items():
format_url = f.get('url')
if not format_url:
continue
# Stat URL generation algorithm is reverse engineered from
# download_*_bundle_*.js
stat_url = update_url_query(
format_url.replace('/download/', '/statdownload/'), {
'.rand': int(time.time() * 1000 * random.random()),
})
format_id = f.get('encoding_name') or format_id
stat = self._download_json(
stat_url, video_id, 'Downloading %s JSON' % format_id,
transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1],
fatal=False)
if not stat:
continue
retry_url = stat.get('retry_url')
if not isinstance(retry_url, compat_str):
continue
formats.append({
'url': self._proto_relative_url(retry_url, 'http:'),
'ext': download_formats.get(format_id),
'format_id': format_id,
'format_note': f.get('description'),
'filesize': parse_filesize(f.get('size_mb')),
'vcodec': 'none',
})
self._sort_formats(formats)
return {
'id': video_id,
'title': title,
'thumbnail': info.get('thumb_url'),
'uploader': info.get('artist'),
'artist': artist,
'track': track,
'formats': formats,
}
class BandcampAlbumIE(InfoExtractor):
IE_NAME = 'Bandcamp:album'
_VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^?#]+)|/?(?:$|[?#]))'
_TESTS = [{
'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
'playlist': [
{
'md5': '39bc1eded3476e927c724321ddf116cf',
'info_dict': {
'id': '1353101989',
'ext': 'mp3',
'title': 'Intro',
}
},
{
'md5': '1a2c32e2691474643e912cc6cd4bffaa',
'info_dict': {
'id': '38097443',
'ext': 'mp3',
'title': 'Kero One - Keep It Alive (Blazo remix)',
}
},
],
'info_dict': {
'title': 'Jazz Format Mixtape vol.1',
'id': 'jazz-format-mixtape-vol-1',
'uploader_id': 'blazo',
},
'params': {
'playlistend': 2
},
'skip': 'Bandcamp imposes download limits.'
}, {
'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave',
'info_dict': {
'title': 'Hierophany of the Open Grave',
'uploader_id': 'nightbringer',
'id': 'hierophany-of-the-open-grave',
},
'playlist_mincount': 9,
}, {
'url': 'http://dotscale.bandcamp.com',
'info_dict': {
'title': 'Loom',
'id': 'dotscale',
'uploader_id': 'dotscale',
},
'playlist_mincount': 7,
}, {
# with escaped quote in title
'url': 'https://jstrecords.bandcamp.com/album/entropy-ep',
'info_dict': {
'title': '"Entropy" EP',
'uploader_id': 'jstrecords',
'id': 'entropy-ep',
},
'playlist_mincount': 3,
}]
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
uploader_id = mobj.group('subdomain')
album_id = mobj.group('album_id')
playlist_id = album_id or uploader_id
webpage = self._download_webpage(url, playlist_id)
tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage)
if not tracks_paths:
raise ExtractorError('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._html_search_regex(
r'album_title\s*:\s*"((?:\\.|[^"\\])+?)"',
webpage, 'title', fatal=False)
if title:
title = title.replace(r'\"', '"')
return {
'_type': 'playlist',
'uploader_id': uploader_id,
'id': playlist_id,
'title': title,
'entries': entries,
}
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