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[youtubedl] / youtube_dl / extractor / naver.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 from .common import InfoExtractor
5 from ..utils import (
6 ExtractorError,
7 int_or_none,
8 update_url_query,
9 )
10
11
12 class NaverIE(InfoExtractor):
13 _VALID_URL = r'https?://(?:m\.)?tv(?:cast)?\.naver\.com/v/(?P<id>\d+)'
14
15 _TESTS = [{
16 'url': 'http://tv.naver.com/v/81652',
17 'info_dict': {
18 'id': '81652',
19 'ext': 'mp4',
20 'title': '[9월 모의고사 해설강의][수학_김상희] 수학 A형 16~20번',
21 'description': '합격불변의 법칙 메가스터디 | 메가스터디 수학 김상희 선생님이 9월 모의고사 수학A형 16번에서 20번까지 해설강의를 공개합니다.',
22 'upload_date': '20130903',
23 },
24 }, {
25 'url': 'http://tv.naver.com/v/395837',
26 'md5': '638ed4c12012c458fefcddfd01f173cd',
27 'info_dict': {
28 'id': '395837',
29 'ext': 'mp4',
30 'title': '9년이 지나도 아픈 기억, 전효성의 아버지',
31 'description': 'md5:5bf200dcbf4b66eb1b350d1eb9c753f7',
32 'upload_date': '20150519',
33 },
34 'skip': 'Georestricted',
35 }, {
36 'url': 'http://tvcast.naver.com/v/81652',
37 'only_matching': True,
38 }]
39
40 def _real_extract(self, url):
41 video_id = self._match_id(url)
42 webpage = self._download_webpage(url, video_id)
43
44 vid = self._search_regex(
45 r'videoId["\']\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
46 'video id', fatal=None, group='value')
47 in_key = self._search_regex(
48 r'inKey["\']\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1', webpage,
49 'key', default=None, group='value')
50
51 if not vid or not in_key:
52 error = self._html_search_regex(
53 r'(?s)<div class="(?:nation_error|nation_box|error_box)">\s*(?:<!--.*?-->)?\s*<p class="[^"]+">(?P<msg>.+?)</p>\s*</div>',
54 webpage, 'error', default=None)
55 if error:
56 raise ExtractorError(error, expected=True)
57 raise ExtractorError('couldn\'t extract vid and key')
58 video_data = self._download_json(
59 'http://play.rmcnmv.naver.com/vod/play/v2.0/' + vid,
60 video_id, query={
61 'key': in_key,
62 })
63 meta = video_data['meta']
64 title = meta['subject']
65 formats = []
66
67 def extract_formats(streams, stream_type, query={}):
68 for stream in streams:
69 stream_url = stream.get('source')
70 if not stream_url:
71 continue
72 stream_url = update_url_query(stream_url, query)
73 encoding_option = stream.get('encodingOption', {})
74 bitrate = stream.get('bitrate', {})
75 formats.append({
76 'format_id': '%s_%s' % (stream.get('type') or stream_type, encoding_option.get('id') or encoding_option.get('name')),
77 'url': stream_url,
78 'width': int_or_none(encoding_option.get('width')),
79 'height': int_or_none(encoding_option.get('height')),
80 'vbr': int_or_none(bitrate.get('video')),
81 'abr': int_or_none(bitrate.get('audio')),
82 'filesize': int_or_none(stream.get('size')),
83 'protocol': 'm3u8_native' if stream_type == 'HLS' else None,
84 })
85
86 extract_formats(video_data.get('videos', {}).get('list', []), 'H264')
87 for stream_set in video_data.get('streams', []):
88 query = {}
89 for param in stream_set.get('keys', []):
90 query[param['name']] = param['value']
91 stream_type = stream_set.get('type')
92 videos = stream_set.get('videos')
93 if videos:
94 extract_formats(videos, stream_type, query)
95 elif stream_type == 'HLS':
96 stream_url = stream_set.get('source')
97 if not stream_url:
98 continue
99 formats.extend(self._extract_m3u8_formats(
100 update_url_query(stream_url, query), video_id,
101 'mp4', 'm3u8_native', m3u8_id=stream_type, fatal=False))
102 self._sort_formats(formats)
103
104 subtitles = {}
105 for caption in video_data.get('captions', {}).get('list', []):
106 caption_url = caption.get('source')
107 if not caption_url:
108 continue
109 subtitles.setdefault(caption.get('language') or caption.get('locale'), []).append({
110 'url': caption_url,
111 })
112
113 upload_date = self._search_regex(
114 r'<span[^>]+class="date".*?(\d{4}\.\d{2}\.\d{2})',
115 webpage, 'upload date', fatal=False)
116 if upload_date:
117 upload_date = upload_date.replace('.', '')
118
119 return {
120 'id': video_id,
121 'title': title,
122 'formats': formats,
123 'subtitles': subtitles,
124 'description': self._og_search_description(webpage),
125 'thumbnail': meta.get('cover', {}).get('source') or self._og_search_thumbnail(webpage),
126 'view_count': int_or_none(meta.get('count')),
127 'upload_date': upload_date,
128 }