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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 | float_or_none, | |
14 | int_or_none, | |
15 | ) | |
16 | ||
17 | ||
18 | class BandcampIE(InfoExtractor): | |
19 | _VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>.*)' | |
20 | _TESTS = [{ | |
21 | 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song', | |
22 | 'md5': 'c557841d5e50261777a6585648adf439', | |
23 | 'info_dict': { | |
24 | 'id': '1812978515', | |
25 | 'ext': 'mp3', | |
26 | 'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad", | |
27 | 'duration': 9.8485, | |
28 | }, | |
29 | '_skip': 'There is a limit of 200 free downloads / month for the test song' | |
30 | }, { | |
31 | 'url': 'http://benprunty.bandcamp.com/track/lanius-battle', | |
32 | 'md5': '2b68e5851514c20efdff2afc5603b8b4', | |
33 | 'info_dict': { | |
34 | 'id': '2650410135', | |
35 | 'ext': 'mp3', | |
36 | 'title': 'Lanius (Battle)', | |
37 | 'uploader': 'Ben Prunty Music', | |
38 | }, | |
39 | }] | |
40 | ||
41 | def _real_extract(self, url): | |
42 | mobj = re.match(self._VALID_URL, url) | |
43 | title = mobj.group('title') | |
44 | webpage = self._download_webpage(url, title) | |
45 | m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage) | |
46 | if not m_download: | |
47 | m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage) | |
48 | if m_trackinfo: | |
49 | json_code = m_trackinfo.group(1) | |
50 | data = json.loads(json_code)[0] | |
51 | ||
52 | formats = [] | |
53 | for format_id, format_url in data['file'].items(): | |
54 | ext, abr_str = format_id.split('-', 1) | |
55 | formats.append({ | |
56 | 'format_id': format_id, | |
57 | 'url': self._proto_relative_url(format_url, 'http:'), | |
58 | 'ext': ext, | |
59 | 'vcodec': 'none', | |
60 | 'acodec': ext, | |
61 | 'abr': int_or_none(abr_str), | |
62 | }) | |
63 | ||
64 | self._sort_formats(formats) | |
65 | ||
66 | return { | |
67 | 'id': compat_str(data['id']), | |
68 | 'title': data['title'], | |
69 | 'formats': formats, | |
70 | 'duration': float_or_none(data.get('duration')), | |
71 | } | |
72 | else: | |
73 | raise ExtractorError('No free songs found') | |
74 | ||
75 | download_link = m_download.group(1) | |
76 | video_id = self._search_regex( | |
77 | r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$', | |
78 | webpage, 'video id') | |
79 | ||
80 | download_webpage = self._download_webpage(download_link, video_id, 'Downloading free downloads page') | |
81 | # We get the dictionary of the track from some javascript code | |
82 | all_info = self._parse_json(self._search_regex( | |
83 | r'(?sm)items: (.*?),$', download_webpage, 'items'), video_id) | |
84 | info = all_info[0] | |
85 | # We pick mp3-320 for now, until format selection can be easily implemented. | |
86 | mp3_info = info['downloads']['mp3-320'] | |
87 | # If we try to use this url it says the link has expired | |
88 | initial_url = mp3_info['url'] | |
89 | m_url = re.match( | |
90 | r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$', | |
91 | initial_url) | |
92 | # We build the url we will use to get the final track url | |
93 | # This url is build in Bandcamp in the script download_bunde_*.js | |
94 | request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), video_id, m_url.group('ts')) | |
95 | final_url_webpage = self._download_webpage(request_url, video_id, 'Requesting download url') | |
96 | # If we could correctly generate the .rand field the url would be | |
97 | # in the "download_url" key | |
98 | final_url = self._proto_relative_url(self._search_regex( | |
99 | r'"retry_url":"(.+?)"', final_url_webpage, 'final video URL'), 'http:') | |
100 | ||
101 | return { | |
102 | 'id': video_id, | |
103 | 'title': info['title'], | |
104 | 'ext': 'mp3', | |
105 | 'vcodec': 'none', | |
106 | 'url': final_url, | |
107 | 'thumbnail': info.get('thumb_url'), | |
108 | 'uploader': info.get('artist'), | |
109 | } | |
110 | ||
111 | ||
112 | class BandcampAlbumIE(InfoExtractor): | |
113 | IE_NAME = 'Bandcamp:album' | |
114 | _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^?#]+)|/?(?:$|[?#]))' | |
115 | ||
116 | _TESTS = [{ | |
117 | 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1', | |
118 | 'playlist': [ | |
119 | { | |
120 | 'md5': '39bc1eded3476e927c724321ddf116cf', | |
121 | 'info_dict': { | |
122 | 'id': '1353101989', | |
123 | 'ext': 'mp3', | |
124 | 'title': 'Intro', | |
125 | } | |
126 | }, | |
127 | { | |
128 | 'md5': '1a2c32e2691474643e912cc6cd4bffaa', | |
129 | 'info_dict': { | |
130 | 'id': '38097443', | |
131 | 'ext': 'mp3', | |
132 | 'title': 'Kero One - Keep It Alive (Blazo remix)', | |
133 | } | |
134 | }, | |
135 | ], | |
136 | 'info_dict': { | |
137 | 'title': 'Jazz Format Mixtape vol.1', | |
138 | 'id': 'jazz-format-mixtape-vol-1', | |
139 | 'uploader_id': 'blazo', | |
140 | }, | |
141 | 'params': { | |
142 | 'playlistend': 2 | |
143 | }, | |
144 | 'skip': 'Bandcamp imposes download limits.' | |
145 | }, { | |
146 | 'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave', | |
147 | 'info_dict': { | |
148 | 'title': 'Hierophany of the Open Grave', | |
149 | 'uploader_id': 'nightbringer', | |
150 | 'id': 'hierophany-of-the-open-grave', | |
151 | }, | |
152 | 'playlist_mincount': 9, | |
153 | }, { | |
154 | 'url': 'http://dotscale.bandcamp.com', | |
155 | 'info_dict': { | |
156 | 'title': 'Loom', | |
157 | 'id': 'dotscale', | |
158 | 'uploader_id': 'dotscale', | |
159 | }, | |
160 | 'playlist_mincount': 7, | |
161 | }] | |
162 | ||
163 | def _real_extract(self, url): | |
164 | mobj = re.match(self._VALID_URL, url) | |
165 | uploader_id = mobj.group('subdomain') | |
166 | album_id = mobj.group('album_id') | |
167 | playlist_id = album_id or uploader_id | |
168 | webpage = self._download_webpage(url, playlist_id) | |
169 | tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage) | |
170 | if not tracks_paths: | |
171 | raise ExtractorError('The page doesn\'t contain any tracks') | |
172 | entries = [ | |
173 | self.url_result(compat_urlparse.urljoin(url, t_path), ie=BandcampIE.ie_key()) | |
174 | for t_path in tracks_paths] | |
175 | title = self._search_regex( | |
176 | r'album_title\s*:\s*"(.*?)"', webpage, 'title', fatal=False) | |
177 | return { | |
178 | '_type': 'playlist', | |
179 | 'uploader_id': uploader_id, | |
180 | 'id': playlist_id, | |
181 | 'title': title, | |
182 | 'entries': entries, | |
183 | } |