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[youtubedl] / youtube_dl / extractor / bandcamp.py
1 from __future__ import unicode_literals
2
3 import json
4 import re
5
6 from .common import InfoExtractor
7 from ..compat import (
8 compat_str,
9 compat_urlparse,
10 )
11 from ..utils import (
12 ExtractorError,
13 )
14
15
16 class BandcampIE(InfoExtractor):
17 _VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>.*)'
18 _TESTS = [{
19 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
20 'md5': 'c557841d5e50261777a6585648adf439',
21 'info_dict': {
22 'id': '1812978515',
23 'ext': 'mp3',
24 'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
25 'duration': 9.8485,
26 },
27 '_skip': 'There is a limit of 200 free downloads / month for the test song'
28 }, {
29 'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
30 'md5': '2b68e5851514c20efdff2afc5603b8b4',
31 'info_dict': {
32 'id': '2650410135',
33 'ext': 'mp3',
34 'title': 'Lanius (Battle)',
35 'uploader': 'Ben Prunty Music',
36 },
37 }]
38
39 def _real_extract(self, url):
40 mobj = re.match(self._VALID_URL, url)
41 title = mobj.group('title')
42 webpage = self._download_webpage(url, title)
43 m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
44 if not m_download:
45 m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
46 if m_trackinfo:
47 json_code = m_trackinfo.group(1)
48 data = json.loads(json_code)[0]
49
50 formats = []
51 for format_id, format_url in data['file'].items():
52 ext, abr_str = format_id.split('-', 1)
53 formats.append({
54 'format_id': format_id,
55 'url': format_url,
56 'ext': ext,
57 'vcodec': 'none',
58 'acodec': ext,
59 'abr': int(abr_str),
60 })
61
62 self._sort_formats(formats)
63
64 return {
65 'id': compat_str(data['id']),
66 'title': data['title'],
67 'formats': formats,
68 'duration': float(data['duration']),
69 }
70 else:
71 raise ExtractorError('No free songs found')
72
73 download_link = m_download.group(1)
74 video_id = self._search_regex(
75 r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
76 webpage, 'video id')
77
78 download_webpage = self._download_webpage(download_link, video_id, 'Downloading free downloads page')
79 # We get the dictionary of the track from some javascript code
80 all_info = self._parse_json(self._search_regex(
81 r'(?sm)items: (.*?),$', download_webpage, 'items'), video_id)
82 info = all_info[0]
83 # We pick mp3-320 for now, until format selection can be easily implemented.
84 mp3_info = info['downloads']['mp3-320']
85 # If we try to use this url it says the link has expired
86 initial_url = mp3_info['url']
87 m_url = re.match(
88 r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$',
89 initial_url)
90 # We build the url we will use to get the final track url
91 # This url is build in Bandcamp in the script download_bunde_*.js
92 request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), video_id, m_url.group('ts'))
93 final_url_webpage = self._download_webpage(request_url, video_id, 'Requesting download url')
94 # If we could correctly generate the .rand field the url would be
95 # in the "download_url" key
96 final_url = self._search_regex(
97 r'"retry_url":"(.*?)"', final_url_webpage, 'final video URL')
98
99 return {
100 'id': video_id,
101 'title': info['title'],
102 'ext': 'mp3',
103 'vcodec': 'none',
104 'url': final_url,
105 'thumbnail': info.get('thumb_url'),
106 'uploader': info.get('artist'),
107 }
108
109
110 class BandcampAlbumIE(InfoExtractor):
111 IE_NAME = 'Bandcamp:album'
112 _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^?#]+)|/?(?:$|[?#]))'
113
114 _TESTS = [{
115 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
116 'playlist': [
117 {
118 'md5': '39bc1eded3476e927c724321ddf116cf',
119 'info_dict': {
120 'id': '1353101989',
121 'ext': 'mp3',
122 'title': 'Intro',
123 }
124 },
125 {
126 'md5': '1a2c32e2691474643e912cc6cd4bffaa',
127 'info_dict': {
128 'id': '38097443',
129 'ext': 'mp3',
130 'title': 'Kero One - Keep It Alive (Blazo remix)',
131 }
132 },
133 ],
134 'info_dict': {
135 'title': 'Jazz Format Mixtape vol.1',
136 'id': 'jazz-format-mixtape-vol-1',
137 'uploader_id': 'blazo',
138 },
139 'params': {
140 'playlistend': 2
141 },
142 'skip': 'Bandcamp imposes download limits.'
143 }, {
144 'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave',
145 'info_dict': {
146 'title': 'Hierophany of the Open Grave',
147 'uploader_id': 'nightbringer',
148 'id': 'hierophany-of-the-open-grave',
149 },
150 'playlist_mincount': 9,
151 }, {
152 'url': 'http://dotscale.bandcamp.com',
153 'info_dict': {
154 'title': 'Loom',
155 'id': 'dotscale',
156 'uploader_id': 'dotscale',
157 },
158 'playlist_mincount': 7,
159 }]
160
161 def _real_extract(self, url):
162 mobj = re.match(self._VALID_URL, url)
163 uploader_id = mobj.group('subdomain')
164 album_id = mobj.group('album_id')
165 playlist_id = album_id or uploader_id
166 webpage = self._download_webpage(url, playlist_id)
167 tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage)
168 if not tracks_paths:
169 raise ExtractorError('The page doesn\'t contain any tracks')
170 entries = [
171 self.url_result(compat_urlparse.urljoin(url, t_path), ie=BandcampIE.ie_key())
172 for t_path in tracks_paths]
173 title = self._search_regex(
174 r'album_title\s*:\s*"(.*?)"', webpage, 'title', fatal=False)
175 return {
176 '_type': 'playlist',
177 'uploader_id': uploader_id,
178 'id': playlist_id,
179 'title': title,
180 'entries': entries,
181 }