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[youtubedl] / youtube_dl / extractor / gdcvault.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import (
7 compat_urllib_parse,
8 compat_urllib_request,
9 )
10
11 class GDCVaultIE(InfoExtractor):
12 _VALID_URL = r'https?://(?:www\.)?gdcvault\.com/play/(?P<id>\d+)/(?P<name>(\w|-)+)'
13 _TESTS = [
14 {
15 'url': 'http://www.gdcvault.com/play/1019721/Doki-Doki-Universe-Sweet-Simple',
16 'md5': '7ce8388f544c88b7ac11c7ab1b593704',
17 'info_dict': {
18 'id': '1019721',
19 'ext': 'mp4',
20 'title': 'Doki-Doki Universe: Sweet, Simple and Genuine (GDC Next 10)'
21 }
22 },
23 {
24 'url': 'http://www.gdcvault.com/play/1015683/Embracing-the-Dark-Art-of',
25 'info_dict': {
26 'id': '1015683',
27 'ext': 'flv',
28 'title': 'Embracing the Dark Art of Mathematical Modeling in AI'
29 },
30 'params': {
31 'skip_download': True, # Requires rtmpdump
32 }
33 },
34 ]
35
36 def _parse_mp4(self, xml_description):
37 video_formats = []
38 mp4_video = xml_description.find('./metadata/mp4video')
39 if mp4_video is None:
40 return None
41
42 mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video.text)
43 video_root = mobj.group('root')
44 formats = xml_description.findall('./metadata/MBRVideos/MBRVideo')
45 for format in formats:
46 mobj = re.match(r'mp4\:(?P<path>.*)', format.find('streamName').text)
47 url = video_root + mobj.group('path')
48 vbr = format.find('bitrate').text
49 video_formats.append({
50 'url': url,
51 'vbr': int(vbr),
52 })
53 return video_formats
54
55 def _parse_flv(self, xml_description):
56 video_formats = []
57 akami_url = xml_description.find('./metadata/akamaiHost').text
58 slide_video_path = xml_description.find('./metadata/slideVideo').text
59 video_formats.append({
60 'url': 'rtmp://' + akami_url + '/' + slide_video_path,
61 'format_note': 'slide deck video',
62 'quality': -2,
63 'preference': -2,
64 'format_id': 'slides',
65 })
66 speaker_video_path = xml_description.find('./metadata/speakerVideo').text
67 video_formats.append({
68 'url': 'rtmp://' + akami_url + '/' + speaker_video_path,
69 'format_note': 'speaker video',
70 'quality': -1,
71 'preference': -1,
72 'format_id': 'speaker',
73 })
74 return video_formats
75
76 def _login(self, webpage_url, video_id):
77 (username, password) = self._get_login_info()
78 if username is None or password is None:
79 self.report_warning('It looks like ' + webpage_url + ' requires a login. Try specifying a username and password and try again.')
80 return None
81
82 mobj = re.match(r'(?P<root_url>https?://.*?/).*', webpage_url)
83 login_url = mobj.group('root_url') + 'api/login.php'
84 logout_url = mobj.group('root_url') + 'logout'
85
86 login_form = {
87 'email': username,
88 'password': password,
89 }
90
91 request = compat_urllib_request.Request(login_url, compat_urllib_parse.urlencode(login_form))
92 request.add_header('Content-Type', 'application/x-www-form-urlencoded')
93 self._download_webpage(request, video_id, 'Logging in')
94 start_page = self._download_webpage(webpage_url, video_id, 'Getting authenticated video page')
95 self._download_webpage(logout_url, video_id, 'Logging out')
96
97 return start_page
98
99 def _real_extract(self, url):
100 mobj = re.match(self._VALID_URL, url)
101
102 video_id = mobj.group('id')
103 webpage_url = 'http://www.gdcvault.com/play/' + video_id
104 start_page = self._download_webpage(webpage_url, video_id)
105
106 xml_root = self._html_search_regex(r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>', start_page, 'xml root', None, False)
107
108 if xml_root is None:
109 # Probably need to authenticate
110 start_page = self._login(webpage_url, video_id)
111 if start_page is None:
112 self.report_warning('Could not login.')
113 else:
114 # Grab the url from the authenticated page
115 xml_root = self._html_search_regex(r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>', start_page, 'xml root')
116
117 xml_name = self._html_search_regex(r'<iframe src=".*?\?xml=(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename', None, False)
118 if xml_name is None:
119 # Fallback to the older format
120 xml_name = self._html_search_regex(r'<iframe src=".*?\?xmlURL=xml/(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename')
121
122 xml_decription_url = xml_root + 'xml/' + xml_name
123 xml_description = self._download_xml(xml_decription_url, video_id)
124
125 video_title = xml_description.find('./metadata/title').text
126 video_formats = self._parse_mp4(xml_description)
127 if video_formats is None:
128 video_formats = self._parse_flv(xml_description)
129
130 return {
131 'id': video_id,
132 'title': video_title,
133 'formats': video_formats,
134 }