w/youtube-dl
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

[naver] improve extraction

Browse source 
- improve geo-restriction handling
- extract automatic captions
- extract uploader metadata
- extract VLive HLS formats
This commit is contained in:
Remita Amine 2020-01-08 10:54:05 +01:00
parent 3cb05b86de
commit c88debff5d
2 changed files with 107 additions and 107 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

158
youtube_dl/extractor/naver.py
View file

@ -1,68 +1,33 @@
# coding: utf-8
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
clean_html,
dict_get,
ExtractorError,
get_element_by_class,
int_or_none,
try_get,
update_url_query,
)
class NaverIE(InfoExtractor):
_VALID_URL = r'https?://(?:m\.)?tv(?:cast)?\.naver\.com/v/(?P<id>\d+)'
class NaverBaseIE(InfoExtractor):
_CAPTION_EXT_RE = r'\.(?:ttml|vtt)'
_TESTS = [{
'url': 'http://tv.naver.com/v/81652',
'info_dict': {
'id': '81652',
'ext': 'mp4',
'title': '[9월 모의고사 해설강의][수학_김상희] 수학 A형 16~20번',
'description': '합격불변의 법칙 메가스터디 | 메가스터디 수학 김상희 선생님이 9월 모의고사 수학A형 16번에서 20번까지 해설강의를 공개합니다.',
'upload_date': '20130903',
},
}, {
'url': 'http://tv.naver.com/v/395837',
'md5': '638ed4c12012c458fefcddfd01f173cd',
'info_dict': {
'id': '395837',
'ext': 'mp4',
'title': '9년이 지나도 아픈 기억, 전효성의 아버지',
'description': 'md5:5bf200dcbf4b66eb1b350d1eb9c753f7',
'upload_date': '20150519',
},
'skip': 'Georestricted',
}, {
'url': 'http://tvcast.naver.com/v/81652',
'only_matching': True,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
vid = self._search_regex(
r'videoId["\']\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
'video id', fatal=None, group='value')
in_key = self._search_regex(
r'inKey["\']\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
'key', default=None, group='value')
if not vid or not in_key:
error = self._html_search_regex(
r'(?s)<div class="(?:nation_error|nation_box|error_box)">\s*(?:<!--.*?-->)?\s*<p class="[^"]+">(?P<msg>.+?)</p>\s*</div>',
webpage, 'error', default=None)
if error:
raise ExtractorError(error, expected=True)
raise ExtractorError('couldn\'t extract vid and key')
def _extract_video_info(self, video_id, vid, key):
video_data = self._download_json(
'http://play.rmcnmv.naver.com/vod/play/v2.0/' + vid,
video_id, query={
'key': in_key,
'key': key,
})
meta = video_data['meta']
title = meta['subject']
formats = []
get_list = lambda x: try_get(video_data, lambda y: y[x + 's']['list'], list) or []
def extract_formats(streams, stream_type, query={}):
for stream in streams:
@ -73,7 +38,7 @@ class NaverIE(InfoExtractor):
encoding_option = stream.get('encodingOption', {})
bitrate = stream.get('bitrate', {})
formats.append({
'format_id': '%s_%s' % (stream.get('type') or stream_type, encoding_option.get('id') or encoding_option.get('name')),
'format_id': '%s_%s' % (stream.get('type') or stream_type, dict_get(encoding_option, ('name', 'id'))),
'url': stream_url,
'width': int_or_none(encoding_option.get('width')),
'height': int_or_none(encoding_option.get('height')),
@ -83,7 +48,7 @@ class NaverIE(InfoExtractor):
'protocol': 'm3u8_native' if stream_type == 'HLS' else None,
})
extract_formats(video_data.get('videos', {}).get('list', []), 'H264')
extract_formats(get_list('video'), 'H264')
for stream_set in video_data.get('streams', []):
query = {}
for param in stream_set.get('keys', []):
@ -101,28 +66,101 @@ class NaverIE(InfoExtractor):
'mp4', 'm3u8_native', m3u8_id=stream_type, fatal=False))
self._sort_formats(formats)
replace_ext = lambda x, y: re.sub(self._CAPTION_EXT_RE, '.' + y, x)
def get_subs(caption_url):
if re.search(self._CAPTION_EXT_RE, caption_url):
return [{
'url': replace_ext(caption_url, 'ttml'),
}, {
'url': replace_ext(caption_url, 'vtt'),
}]
else:
return [{'url': caption_url}]
automatic_captions = {}
subtitles = {}
for caption in video_data.get('captions', {}).get('list', []):
for caption in get_list('caption'):
caption_url = caption.get('source')
if not caption_url:
continue
subtitles.setdefault(caption.get('language') or caption.get('locale'), []).append({
'url': caption_url,
})
sub_dict = automatic_captions if caption.get('type') == 'auto' else subtitles
sub_dict.setdefault(dict_get(caption, ('locale', 'language')), []).extend(get_subs(caption_url))
upload_date = self._search_regex(
r'<span[^>]+class="date".*?(\d{4}\.\d{2}\.\d{2})',
webpage, 'upload date', fatal=False)
if upload_date:
upload_date = upload_date.replace('.', '')
user = meta.get('user', {})
return {
'id': video_id,
'title': title,
'formats': formats,
'subtitles': subtitles,
'description': self._og_search_description(webpage),
'thumbnail': meta.get('cover', {}).get('source') or self._og_search_thumbnail(webpage),
'automatic_captions': automatic_captions,
'thumbnail': try_get(meta, lambda x: x['cover']['source']),
'view_count': int_or_none(meta.get('count')),
'upload_date': upload_date,
'uploader_id': user.get('id'),
'uploader': user.get('name'),
'uploader_url': user.get('url'),
}
class NaverIE(NaverBaseIE):
_VALID_URL = r'https?://(?:m\.)?tv(?:cast)?\.naver\.com/(?:v|embed)/(?P<id>\d+)'
_GEO_BYPASS = False
_TESTS = [{
'url': 'http://tv.naver.com/v/81652',
'info_dict': {
'id': '81652',
'ext': 'mp4',
'title': '[9월 모의고사 해설강의][수학_김상희] 수학 A형 16~20번',
'description': '메가스터디 수학 김상희 선생님이 9월 모의고사 수학A형 16번에서 20번까지 해설강의를 공개합니다.',
'upload_date': '20130903',
'uploader': '메가스터디, 합격불변의 법칙',
'uploader_id': 'megastudy',
},
}, {
'url': 'http://tv.naver.com/v/395837',
'md5': '8a38e35354d26a17f73f4e90094febd3',
'info_dict': {
'id': '395837',
'ext': 'mp4',
'title': '9년이 지나도 아픈 기억, 전효성의 아버지',
'description': 'md5:eb6aca9d457b922e43860a2a2b1984d3',
'upload_date': '20150519',
'uploader': '4가지쇼 시즌2',
'uploader_id': 'wrappinguser29',
},
'skip': 'Georestricted',
}, {
'url': 'http://tvcast.naver.com/v/81652',
'only_matching': True,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
content = self._download_json(
'https://tv.naver.com/api/contents/json/v/' + video_id,
video_id, headers=self.geo_verification_headers())
player_json = content.get('playerJson') or {}
vid = player_json.get('videoId')
in_key = player_json.get('inKey')
if not vid or not in_key:
player_auth = player_json.get('playerAuth')
if player_auth == 'notCountry':
self.raise_geo_restricted(countries=['KR'])
elif player_auth == 'notLogin':
self.raise_login_required()
raise ExtractorError('couldn\'t extract vid and key')
info = self._extract_video_info(video_id, vid, in_key)
clip_info_html = content.get('clipInfoHtml')
if clip_info_html:
info['description'] = clean_html(get_element_by_class('desc', clip_info_html))
upload_date = self._search_regex(
r'<span[^>]+class="date".*?(\d{4}\.\d{2}\.\d{2})',
clip_info_html, 'upload date', fatal=False)
if upload_date:
info['upload_date'] = upload_date.replace('.', '')
return info

56
youtube_dl/extractor/vlive.py
View file

@ -6,22 +6,18 @@ import time
import itertools
from .common import InfoExtractor
from ..compat import (
compat_urllib_parse_urlencode,
compat_str,
)
from .naver import NaverBaseIE
from ..compat import compat_str
from ..utils import (
dict_get,
ExtractorError,
float_or_none,
int_or_none,
merge_dicts,
remove_start,
try_get,
urlencode_postdata,
)
class VLiveIE(InfoExtractor):
class VLiveIE(NaverBaseIE):
IE_NAME = 'vlive'
_VALID_URL = r'https?://(?:(?:www|m)\.)?vlive\.tv/video/(?P<id>[0-9]+)'
_NETRC_MACHINE = 'vlive'
@ -34,6 +30,7 @@ class VLiveIE(InfoExtractor):
'title': "[V LIVE] Girl's Day's Broadcast",
'creator': "Girl's Day",
'view_count': int,
'uploader_id': 'muploader_a',
},
}, {
'url': 'http://www.vlive.tv/video/16937',
@ -44,6 +41,7 @@ class VLiveIE(InfoExtractor):
'creator': 'EXO',
'view_count': int,
'subtitles': 'mincount:12',
'uploader_id': 'muploader_j',
},
'params': {
'skip_download': True,
@ -187,45 +185,9 @@ class VLiveIE(InfoExtractor):
'This video is only available for CH+ subscribers')
long_video_id, key = video_info['vid'], video_info['inkey']
playinfo = self._download_json(
'http://global.apis.naver.com/rmcnmv/rmcnmv/vod_play_videoInfo.json?%s'
% compat_urllib_parse_urlencode({
'videoId': long_video_id,
'key': key,
'ptc': 'http',
'doct': 'json', # document type (xml or json)
'cpt': 'vtt', # captions type (vtt or ttml)
}), video_id)
formats = [{
'url': vid['source'],
'format_id': vid.get('encodingOption', {}).get('name'),
'abr': float_or_none(vid.get('bitrate', {}).get('audio')),
'vbr': float_or_none(vid.get('bitrate', {}).get('video')),
'width': int_or_none(vid.get('encodingOption', {}).get('width')),
'height': int_or_none(vid.get('encodingOption', {}).get('height')),
'filesize': int_or_none(vid.get('size')),
} for vid in playinfo.get('videos', {}).get('list', []) if vid.get('source')]
self._sort_formats(formats)
view_count = int_or_none(playinfo.get('meta', {}).get('count'))
subtitles = {}
for caption in playinfo.get('captions', {}).get('list', []):
lang = dict_get(caption, ('locale', 'language', 'country', 'label'))
if lang and caption.get('source'):
subtitles[lang] = [{
'ext': 'vtt',
'url': caption['source']}]
info = self._get_common_fields(webpage)
info.update({
'id': video_id,
'formats': formats,
'view_count': view_count,
'subtitles': subtitles,
})
return info
return merge_dicts(
self._get_common_fields(webpage),
self._extract_video_info(video_id, long_video_id, key))
def _download_init_page(self, video_id):
return self._download_webpage(