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