commit c88debff5d355cf345837fdd7f869db1ce8b9db3
parent 3cb05b86de3887cfd2f5ebf41fedc09ff3ae6ff3
Author: Remita Amine <remitamine@gmail.com>
Date:   Wed,  8 Jan 2020 10:54:05 +0100

[naver] improve extraction

- improve geo-restriction handling
- extract automatic captions
- extract uploader metadata
- extract VLive HLS formats

Diffstat:
Myoutube_dl/extractor/naver.py | 158+++++++++++++++++++++++++++++++++++++++++++++++++------------------------------
Myoutube_dl/extractor/vlive.py | 56+++++++++-----------------------------------------------
2 files changed, 107 insertions(+), 107 deletions(-)

diff --git a/youtube_dl/extractor/naver.py b/youtube_dl/extractor/naver.py @@ -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+)' - - _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') +class NaverBaseIE(InfoExtractor): + _CAPTION_EXT_RE = r'\.(?:ttml|vtt)' - 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 diff --git a/youtube_dl/extractor/vlive.py b/youtube_dl/extractor/vlive.py @@ -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(