youtube-dl

Another place where youtube-dl lives on
git clone git://git.oshgnacknak.de/youtube-dl.git
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naver.py (6598B)


      1 # coding: utf-8
      2 from __future__ import unicode_literals
      3 
      4 import re
      5 
      6 from .common import InfoExtractor
      7 from ..utils import (
      8     clean_html,
      9     dict_get,
     10     ExtractorError,
     11     int_or_none,
     12     parse_duration,
     13     try_get,
     14     update_url_query,
     15 )
     16 
     17 
     18 class NaverBaseIE(InfoExtractor):
     19     _CAPTION_EXT_RE = r'\.(?:ttml|vtt)'
     20 
     21     def _extract_video_info(self, video_id, vid, key):
     22         video_data = self._download_json(
     23             'http://play.rmcnmv.naver.com/vod/play/v2.0/' + vid,
     24             video_id, query={
     25                 'key': key,
     26             })
     27         meta = video_data['meta']
     28         title = meta['subject']
     29         formats = []
     30         get_list = lambda x: try_get(video_data, lambda y: y[x + 's']['list'], list) or []
     31 
     32         def extract_formats(streams, stream_type, query={}):
     33             for stream in streams:
     34                 stream_url = stream.get('source')
     35                 if not stream_url:
     36                     continue
     37                 stream_url = update_url_query(stream_url, query)
     38                 encoding_option = stream.get('encodingOption', {})
     39                 bitrate = stream.get('bitrate', {})
     40                 formats.append({
     41                     'format_id': '%s_%s' % (stream.get('type') or stream_type, dict_get(encoding_option, ('name', 'id'))),
     42                     'url': stream_url,
     43                     'width': int_or_none(encoding_option.get('width')),
     44                     'height': int_or_none(encoding_option.get('height')),
     45                     'vbr': int_or_none(bitrate.get('video')),
     46                     'abr': int_or_none(bitrate.get('audio')),
     47                     'filesize': int_or_none(stream.get('size')),
     48                     'protocol': 'm3u8_native' if stream_type == 'HLS' else None,
     49                 })
     50 
     51         extract_formats(get_list('video'), 'H264')
     52         for stream_set in video_data.get('streams', []):
     53             query = {}
     54             for param in stream_set.get('keys', []):
     55                 query[param['name']] = param['value']
     56             stream_type = stream_set.get('type')
     57             videos = stream_set.get('videos')
     58             if videos:
     59                 extract_formats(videos, stream_type, query)
     60             elif stream_type == 'HLS':
     61                 stream_url = stream_set.get('source')
     62                 if not stream_url:
     63                     continue
     64                 formats.extend(self._extract_m3u8_formats(
     65                     update_url_query(stream_url, query), video_id,
     66                     'mp4', 'm3u8_native', m3u8_id=stream_type, fatal=False))
     67         self._sort_formats(formats)
     68 
     69         replace_ext = lambda x, y: re.sub(self._CAPTION_EXT_RE, '.' + y, x)
     70 
     71         def get_subs(caption_url):
     72             if re.search(self._CAPTION_EXT_RE, caption_url):
     73                 return [{
     74                     'url': replace_ext(caption_url, 'ttml'),
     75                 }, {
     76                     'url': replace_ext(caption_url, 'vtt'),
     77                 }]
     78             else:
     79                 return [{'url': caption_url}]
     80 
     81         automatic_captions = {}
     82         subtitles = {}
     83         for caption in get_list('caption'):
     84             caption_url = caption.get('source')
     85             if not caption_url:
     86                 continue
     87             sub_dict = automatic_captions if caption.get('type') == 'auto' else subtitles
     88             sub_dict.setdefault(dict_get(caption, ('locale', 'language')), []).extend(get_subs(caption_url))
     89 
     90         user = meta.get('user', {})
     91 
     92         return {
     93             'id': video_id,
     94             'title': title,
     95             'formats': formats,
     96             'subtitles': subtitles,
     97             'automatic_captions': automatic_captions,
     98             'thumbnail': try_get(meta, lambda x: x['cover']['source']),
     99             'view_count': int_or_none(meta.get('count')),
    100             'uploader_id': user.get('id'),
    101             'uploader': user.get('name'),
    102             'uploader_url': user.get('url'),
    103         }
    104 
    105 
    106 class NaverIE(NaverBaseIE):
    107     _VALID_URL = r'https?://(?:m\.)?tv(?:cast)?\.naver\.com/(?:v|embed)/(?P<id>\d+)'
    108     _GEO_BYPASS = False
    109     _TESTS = [{
    110         'url': 'http://tv.naver.com/v/81652',
    111         'info_dict': {
    112             'id': '81652',
    113             'ext': 'mp4',
    114             'title': '[9월 모의고사 해설강의][수학_김상희] 수학 A형 16~20번',
    115             'description': '메가스터디 수학 김상희 선생님이 9월 모의고사 수학A형 16번에서 20번까지 해설강의를 공개합니다.',
    116             'timestamp': 1378200754,
    117             'upload_date': '20130903',
    118             'uploader': '메가스터디, 합격불변의 법칙',
    119             'uploader_id': 'megastudy',
    120         },
    121     }, {
    122         'url': 'http://tv.naver.com/v/395837',
    123         'md5': '8a38e35354d26a17f73f4e90094febd3',
    124         'info_dict': {
    125             'id': '395837',
    126             'ext': 'mp4',
    127             'title': '9년이 지나도 아픈 기억, 전효성의 아버지',
    128             'description': 'md5:eb6aca9d457b922e43860a2a2b1984d3',
    129             'timestamp': 1432030253,
    130             'upload_date': '20150519',
    131             'uploader': '4가지쇼 시즌2',
    132             'uploader_id': 'wrappinguser29',
    133         },
    134         'skip': 'Georestricted',
    135     }, {
    136         'url': 'http://tvcast.naver.com/v/81652',
    137         'only_matching': True,
    138     }]
    139 
    140     def _real_extract(self, url):
    141         video_id = self._match_id(url)
    142         content = self._download_json(
    143             'https://tv.naver.com/api/json/v/' + video_id,
    144             video_id, headers=self.geo_verification_headers())
    145         player_info_json = content.get('playerInfoJson') or {}
    146         current_clip = player_info_json.get('currentClip') or {}
    147 
    148         vid = current_clip.get('videoId')
    149         in_key = current_clip.get('inKey')
    150 
    151         if not vid or not in_key:
    152             player_auth = try_get(player_info_json, lambda x: x['playerOption']['auth'])
    153             if player_auth == 'notCountry':
    154                 self.raise_geo_restricted(countries=['KR'])
    155             elif player_auth == 'notLogin':
    156                 self.raise_login_required()
    157             raise ExtractorError('couldn\'t extract vid and key')
    158         info = self._extract_video_info(video_id, vid, in_key)
    159         info.update({
    160             'description': clean_html(current_clip.get('description')),
    161             'timestamp': int_or_none(current_clip.get('firstExposureTime'), 1000),
    162             'duration': parse_duration(current_clip.get('displayPlayTime')),
    163             'like_count': int_or_none(current_clip.get('recommendPoint')),
    164             'age_limit': 19 if current_clip.get('adult') else None,
    165         })
    166         return info