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
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