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Merge pull request #36 from insaneracist/bandcamp-fix

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[bandcamp] restore album downloads
pull/5/head
Tom-Oliver Heidel 4 years ago committed by GitHub
parent ba2136cba2 48aac9fc86
commit 565e61d488
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 104 additions and 85 deletions
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187
youtube_dlc/extractor/bandcamp.py
Unescape Escape View File

@ -25,7 +25,45 @@ from ..utils import (
)
class BandcampIE(InfoExtractor):
class BandcampBaseIE(InfoExtractor):
"""Provide base functions for Bandcamp extractors"""
def _extract_json_from_html_data_attribute(self, webpage, suffix, video_id):
json_string = self._html_search_regex(
r' data-%s="([^"]*)' % suffix,
webpage, '%s json' % suffix, default='{}')
return self._parse_json(json_string, video_id)
def _parse_json_track(self, json):
formats = []
file_ = json.get('file')
if isinstance(file_, dict):
for format_id, format_url in file_.items():
if not url_or_none(format_url):
continue
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),
})
return {
'duration': float_or_none(json.get('duration')),
'id': str_or_none(json.get('track_id') or json.get('id')),
'title': json.get('title'),
'title_link': json.get('title_link'),
'number': int_or_none(json.get('track_num')),
'formats': formats
}
class BandcampIE(BandcampBaseIE):
IE_NAME = "Bandcamp:track"
_VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
_TESTS = [{
'url': 'http://youtube-dlc.bandcamp.com/track/youtube-dlc-test-song',
@ -85,52 +123,32 @@ class BandcampIE(InfoExtractor):
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
title = mobj.group('title')
url_track_title = title
webpage = self._download_webpage(url, title)
thumbnail = self._html_search_meta('og:image', webpage, default=None)
track_id = None
track = None
track_number = None
duration = None
json_tralbum = self._extract_json_from_html_data_attribute(webpage, "tralbum", url_track_title)
json_embed = self._extract_json_from_html_data_attribute(webpage, "embed", url_track_title)
formats = []
trackinfo_block = self._html_search_regex(
r'trackinfo(?:["\']|&quot;):\[\s*({.+?})\s*\],(?:["\']|&quot;)',
webpage, 'track info', default='{}')
track_info = self._parse_json(trackinfo_block, title)
if track_info:
file_ = track_info.get('file')
if isinstance(file_, dict):
for format_id, format_url in file_.items():
if not url_or_none(format_url):
continue
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),
})
track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
track_number = int_or_none(track_info.get('track_num'))
duration = float_or_none(track_info.get('duration'))
def extract(key):
data = self._html_search_regex(
r',(["\']|&quot;)%s\1:\1(?P<value>(?:\\\1|((?!\1).))+)\1' % key,
webpage, key, default=None, group='value')
return data.replace(r'\"', '"').replace('\\\\', '\\') if data else data
track = extract('title')
artist = extract('artist')
album = extract('album_title')
timestamp = unified_timestamp(
extract('publish_date') or extract('album_publish_date'))
release_date = unified_strdate(extract('album_release_date'))
json_tracks = json_tralbum.get('trackinfo')
if not json_tracks:
raise ExtractorError('Could not extract track')
track = self._parse_json_track(json_tracks[0])
artist = json_tralbum.get('artist')
album_title = json_embed.get('album_title')
json_album = json_tralbum.get('packages')
if json_album:
json_album = json_album[0]
album_publish_date = json_album.get('album_publish_date')
album_release_date = json_album.get('album_release_date')
else:
album_publish_date = None
album_release_date = json_tralbum.get('album_release_date')
timestamp = unified_timestamp(json_tralbum.get('current', {}).get('publish_date') or album_publish_date)
release_date = unified_strdate(album_release_date)
download_link = self._search_regex(
r'freeDownloadPage(?:["\']|&quot;):\s*(["\']|&quot;)(?P<url>(?:(?!\1).)+)\1', webpage,
@ -155,8 +173,6 @@ class BandcampIE(InfoExtractor):
if info:
downloads = info.get('downloads')
if isinstance(downloads, dict):
if not track:
track = info.get('title')
if not artist:
artist = info.get('artist')
if not thumbnail:
@ -190,7 +206,7 @@ class BandcampIE(InfoExtractor):
retry_url = url_or_none(stat.get('retry_url'))
if not retry_url:
continue
formats.append({
track['formats'].append({
'url': self._proto_relative_url(retry_url, 'http:'),
'ext': download_formats.get(format_id),
'format_id': format_id,
@ -199,32 +215,37 @@ class BandcampIE(InfoExtractor):
'vcodec': 'none',
})
self._sort_formats(formats)
title = '%s - %s' % (artist, track) if artist else track
self._sort_formats(track['formats'])
if not duration:
duration = float_or_none(self._html_search_meta(
'duration', webpage, default=None))
title = '%s - %s' % (artist, track.get('title')) if artist else track.get('title')
return {
'id': track_id,
'title': title,
'album': album_title,
'artist': artist,
'duration': track['duration'],
'formats': track['formats'],
'id': track['id'],
'release_date': release_date,
'thumbnail': thumbnail,
'uploader': artist,
'timestamp': timestamp,
'release_date': release_date,
'duration': duration,
'track': track,
'track_number': track_number,
'track_id': track_id,
'artist': artist,
'album': album,
'formats': formats,
'title': title,
'track': track['title'],
'track_id': track['id'],
'track_number': track['number'],
'uploader': artist
}
class BandcampAlbumIE(InfoExtractor):
class BandcampAlbumTrackIE(BandcampIE):
IE_NAME = "Bandcamp:albumtrack"
"""Hack class to force album downloads to have prefixed track numbers by default"""
def _real_extract(self, url):
data = super()._real_extract(url)
data['title'] = '{:02d} - {} - {}'.format(data['track_number'], data['artist'], data['track'])
return data
class BandcampAlbumIE(BandcampBaseIE):
IE_NAME = 'Bandcamp:album'
_VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^/?#&]+))?'
@ -305,34 +326,32 @@ class BandcampAlbumIE(InfoExtractor):
album_id = mobj.group('album_id')
playlist_id = album_id or uploader_id
webpage = self._download_webpage(url, playlist_id)
track_elements = re.findall(
r'(?s)<div[^>]*>(.*?<a[^>]+href="([^"]+?)"[^>]+itemprop="url"[^>]*>.*?)</div>', webpage)
if not track_elements:
raise ExtractorError('The page doesn\'t contain any tracks')
json_tralbum = self._extract_json_from_html_data_attribute(webpage, "tralbum", playlist_id)
json_embed = self._extract_json_from_html_data_attribute(webpage, "embed", playlist_id)
json_tracks = json_tralbum.get('trackinfo')
if not json_tracks:
raise ExtractorError('Could not extract album tracks')
album_title = json_embed.get('album_title')
# Only tracks with duration info have songs
tracks = [self._parse_json_track(track) for track in json_tracks]
entries = [
self.url_result(
compat_urlparse.urljoin(url, t_path),
ie=BandcampIE.ie_key(),
video_title=self._search_regex(
r'<span\b[^>]+\bitemprop=["\']name["\'][^>]*>([^<]+)',
elem_content, 'track title', fatal=False))
for elem_content, t_path in track_elements
if self._html_search_meta('duration', elem_content, default=None)]
title = self._html_search_regex(
r'album_title\s*(?:&quot;|["\']):\s*(&quot;|["\'])(?P<album>(?:\\\1|((?!\1).))+)\1',
webpage, 'title', fatal=False, group='album')
if title:
title = title.replace(r'\"', '"')
compat_urlparse.urljoin(url, track['title_link']),
ie=BandcampAlbumTrackIE.ie_key(),
video_title=track['title'])
for track in tracks
if track.get('duration')]
return {
'_type': 'playlist',
'uploader_id': uploader_id,
'id': playlist_id,
'title': title,
'entries': entries,
'title': album_title,
'entries': entries
}

2
youtube_dlc/extractor/extractors.py
Unescape Escape View File

@ -84,7 +84,7 @@ from .awaan import (
)
from .azmedien import AZMedienIE
from .baidu import BaiduVideoIE
from .bandcamp import BandcampIE, BandcampAlbumIE, BandcampWeeklyIE
from .bandcamp import BandcampIE, BandcampAlbumTrackIE, BandcampAlbumIE, BandcampWeeklyIE
from .bbc import (
BBCCoUkIE,
BBCCoUkArticleIE,

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