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[youtubedl] / youtube_dl / extractor / naver.py
1 # encoding: utf-8
2 import re
3 import xml.etree.ElementTree
4
5 from .common import InfoExtractor
6 from ..utils import (
7 compat_urllib_parse,
8 ExtractorError,
9 )
10
11
12 class NaverIE(InfoExtractor):
13 _VALID_URL = r'https?://tvcast\.naver\.com/v/(?P<id>\d+)'
14
15 _TEST = {
16 u'url': u'http://tvcast.naver.com/v/81652',
17 u'file': u'81652.mp4',
18 u'info_dict': {
19 u'title': u'[9월 모의고사 해설강의][수학_김상희] 수학 A형 16~20번',
20 u'description': u'합격불변의 법칙 메가스터디 | 메가스터디 수학 김상희 선생님이 9월 모의고사 수학A형 16번에서 20번까지 해설강의를 공개합니다.',
21 u'upload_date': u'20130903',
22 },
23 }
24
25 def _real_extract(self, url):
26 mobj = re.match(self._VALID_URL, url)
27 video_id = mobj.group(1)
28 webpage = self._download_webpage(url, video_id)
29 m_id = re.search(r'var rmcPlayer = new nhn.rmcnmv.RMCVideoPlayer\("(.+?)", "(.+?)"',
30 webpage)
31 if m_id is None:
32 raise ExtractorError(u'couldn\'t extract vid and key')
33 vid = m_id.group(1)
34 key = m_id.group(2)
35 query = compat_urllib_parse.urlencode({'vid': vid, 'inKey': key,})
36 query_urls = compat_urllib_parse.urlencode({
37 'masterVid': vid,
38 'protocol': 'p2p',
39 'inKey': key,
40 })
41 info_xml = self._download_webpage(
42 'http://serviceapi.rmcnmv.naver.com/flash/videoInfo.nhn?' + query,
43 video_id, u'Downloading video info')
44 urls_xml = self._download_webpage(
45 'http://serviceapi.rmcnmv.naver.com/flash/playableEncodingOption.nhn?' + query_urls,
46 video_id, u'Downloading video formats info')
47 info = xml.etree.ElementTree.fromstring(info_xml.encode('utf-8'))
48 urls = xml.etree.ElementTree.fromstring(urls_xml.encode('utf-8'))
49
50 formats = []
51 for format_el in urls.findall('EncodingOptions/EncodingOption'):
52 domain = format_el.find('Domain').text
53 if domain.startswith('rtmp'):
54 continue
55 formats.append({
56 'url': domain + format_el.find('uri').text,
57 'ext': 'mp4',
58 'width': int(format_el.find('width').text),
59 'height': int(format_el.find('height').text),
60 })
61
62 info = {
63 'id': video_id,
64 'title': info.find('Subject').text,
65 'formats': formats,
66 'description': self._og_search_description(webpage),
67 'thumbnail': self._og_search_thumbnail(webpage),
68 'upload_date': info.find('WriteDate').text.replace('.', ''),
69 'view_count': int(info.find('PlayCount').text),
70 }
71 # TODO: Remove when #980 has been merged
72 info.update(formats[-1])
73 return info