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[bandcamp] fix extraction
This commit is contained in:
Remita Amine
parent
fe13087cd1
commit
3f1748b944
1 changed files with 58 additions and 91 deletions
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@ -1,3 +1,4 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import random
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@ -5,10 +6,7 @@ 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 ..compat import compat_str
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from ..utils import (
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ExtractorError,
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float_or_none,
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@ -17,30 +15,32 @@ from ..utils import (
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parse_filesize,
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str_or_none,
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try_get,
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unescapeHTML,
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update_url_query,
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unified_strdate,
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unified_timestamp,
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url_or_none,
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urljoin,
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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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_VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P<id>[^/?#&]+)'
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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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'title': "youtube-dl \"'/\\ä↭ - youtube-dl \"'/\\ä↭ - youtube-dl test song \"'/\\ä↭",
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'duration': 9.8485,
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'uploader': 'youtube-dl "\'/\\ä↭',
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'upload_date': '20121129',
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'timestamp': 1354224127,
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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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# free download
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'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
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'md5': '853e35bf34aa1d6fe2615ae612564b36',
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'info_dict': {
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'id': '2650410135',
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'ext': 'aiff',
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@ -79,11 +79,16 @@ class BandcampIE(InfoExtractor):
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},
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}]
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def _extract_data_attr(self, webpage, video_id, attr='tralbum', fatal=True):
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return self._parse_json(self._html_search_regex(
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r'data-%s=(["\'])({.+?})\1' % attr, webpage,
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attr + ' data', group=2), video_id, fatal=fatal)
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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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title = self._match_id(url)
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webpage = self._download_webpage(url, title)
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thumbnail = self._html_search_meta('og:image', webpage, default=None)
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tralbum = self._extract_data_attr(webpage, title)
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thumbnail = self._og_search_thumbnail(webpage)
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track_id = None
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track = None
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@ -91,10 +96,7 @@ class BandcampIE(InfoExtractor):
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duration = None
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formats = []
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track_info = self._parse_json(
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self._search_regex(
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r'trackinfo\s*:\s*\[\s*({.+?})\s*\]\s*,\s*?\n',
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webpage, 'track info', default='{}'), title)
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track_info = try_get(tralbum, lambda x: x['trackinfo'][0], dict)
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if track_info:
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file_ = track_info.get('file')
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if isinstance(file_, dict):
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@ -111,37 +113,25 @@ class BandcampIE(InfoExtractor):
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'abr': int_or_none(abr_str),
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})
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track = track_info.get('title')
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track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
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track_id = str_or_none(
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track_info.get('track_id') or track_info.get('id'))
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track_number = int_or_none(track_info.get('track_num'))
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duration = float_or_none(track_info.get('duration'))
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def extract(key):
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return self._search_regex(
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r'\b%s\s*["\']?\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1' % key,
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webpage, key, default=None, group='value')
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artist = extract('artist')
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album = extract('album_title')
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embed = self._extract_data_attr(webpage, title, 'embed', False)
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current = tralbum.get('current') or {}
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artist = embed.get('artist') or current.get('artist') or tralbum.get('artist')
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timestamp = unified_timestamp(
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extract('publish_date') or extract('album_publish_date'))
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release_date = unified_strdate(extract('album_release_date'))
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current.get('publish_date') or tralbum.get('album_publish_date'))
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download_link = self._search_regex(
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r'freeDownloadPage\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
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'download link', default=None, group='url')
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download_link = tralbum.get('freeDownloadPage')
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if download_link:
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track_id = self._search_regex(
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r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
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webpage, 'track id')
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track_id = compat_str(tralbum['id'])
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download_webpage = self._download_webpage(
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download_link, track_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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track_id, transform_source=unescapeHTML)
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blob = self._extract_data_attr(download_webpage, track_id, 'blob')
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info = try_get(
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blob, (lambda x: x['digital_items'][0],
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@ -207,20 +197,20 @@ class BandcampIE(InfoExtractor):
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'thumbnail': thumbnail,
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'uploader': artist,
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'timestamp': timestamp,
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'release_date': release_date,
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'release_date': unified_strdate(tralbum.get('album_release_date')),
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'duration': duration,
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'track': track,
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'track_number': track_number,
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'track_id': track_id,
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'artist': artist,
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'album': album,
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'album': embed.get('album_title'),
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'formats': formats,
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}
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class BandcampAlbumIE(InfoExtractor):
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class BandcampAlbumIE(BandcampIE):
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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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_VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<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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@ -230,7 +220,10 @@ class BandcampAlbumIE(InfoExtractor):
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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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'title': 'Blazo - Intro',
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'timestamp': 1311756226,
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'upload_date': '20110727',
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'uploader': 'Blazo',
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}
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},
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{
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@ -238,7 +231,10 @@ class BandcampAlbumIE(InfoExtractor):
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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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'title': 'Blazo - Kero One - Keep It Alive (Blazo remix)',
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'timestamp': 1311757238,
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'upload_date': '20110727',
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'uploader': 'Blazo',
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}
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},
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],
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@ -294,41 +290,31 @@ class BandcampAlbumIE(InfoExtractor):
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else super(BandcampAlbumIE, cls).suitable(url))
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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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uploader_id, album_id = re.match(self._VALID_URL, url).groups()
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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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track_elements = re.findall(
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r'(?s)<div[^>]*>(.*?<a[^>]+href="([^"]+?)"[^>]+itemprop="url"[^>]*>.*?)</div>', webpage)
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if not track_elements:
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tralbum = self._extract_data_attr(webpage, playlist_id)
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track_info = tralbum.get('trackinfo')
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if not track_info:
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raise ExtractorError('The page doesn\'t contain any tracks')
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# Only tracks with duration info have songs
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entries = [
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self.url_result(
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compat_urlparse.urljoin(url, t_path),
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ie=BandcampIE.ie_key(),
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video_title=self._search_regex(
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r'<span\b[^>]+\bitemprop=["\']name["\'][^>]*>([^<]+)',
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elem_content, 'track title', fatal=False))
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for elem_content, t_path in track_elements
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if self._html_search_meta('duration', elem_content, default=None)]
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urljoin(url, t['title_link']), BandcampIE.ie_key(),
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str_or_none(t.get('track_id') or t.get('id')), t.get('title'))
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for t in track_info
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if t.get('duration')]
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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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'title': try_get(tralbum, lambda x: x['current']['title'], compat_str),
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'entries': entries,
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}
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class BandcampWeeklyIE(InfoExtractor):
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class BandcampWeeklyIE(BandcampIE):
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IE_NAME = 'Bandcamp:weekly'
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_VALID_URL = r'https?://(?:www\.)?bandcamp\.com/?\?(?:.*?&)?show=(?P<id>\d+)'
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_TESTS = [{
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@ -343,29 +329,23 @@ class BandcampWeeklyIE(InfoExtractor):
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'release_date': '20170404',
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'series': 'Bandcamp Weekly',
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'episode': 'Magic Moments',
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'episode_number': 208,
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'episode_id': '224',
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}
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},
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'params': {
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'format': 'opus-lo',
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},
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}, {
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'url': 'https://bandcamp.com/?blah/blah@&show=228',
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'only_matching': True
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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show_id = self._match_id(url)
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webpage = self._download_webpage(url, show_id)
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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', webpage,
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'blob', group='blob'),
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video_id, transform_source=unescapeHTML)
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blob = self._extract_data_attr(webpage, show_id, 'blob')
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show = blob['bcw_show']
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# This is desired because any invalid show id redirects to `bandcamp.com`
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# which happens to expose the latest Bandcamp Weekly episode.
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show_id = int_or_none(show.get('show_id')) or int_or_none(video_id)
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show = blob['bcw_data'][show_id]
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formats = []
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for format_id, format_url in show['audio_stream'].items():
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@ -390,20 +370,8 @@ class BandcampWeeklyIE(InfoExtractor):
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if subtitle:
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title += ' - %s' % subtitle
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episode_number = None
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seq = blob.get('bcw_seq')
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if seq and isinstance(seq, list):
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try:
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episode_number = next(
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int_or_none(e.get('episode_number'))
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for e in seq
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if isinstance(e, dict) and int_or_none(e.get('id')) == show_id)
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except StopIteration:
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pass
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return {
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'id': video_id,
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'id': show_id,
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'title': title,
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'description': show.get('desc') or show.get('short_desc'),
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'duration': float_or_none(show.get('audio_duration')),
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@ -411,7 +379,6 @@ class BandcampWeeklyIE(InfoExtractor):
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'release_date': unified_strdate(show.get('published_date')),
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'series': 'Bandcamp Weekly',
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'episode': show.get('subtitle'),
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'episode_number': episode_number,
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'episode_id': compat_str(video_id),
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'episode_id': show_id,
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'formats': formats
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}
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