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[youtubedl] / youtube_dl / extractor / microsoftvirtualacademy.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..compat import (
7 compat_xpath,
8 )
9 from ..utils import (
10 int_or_none,
11 parse_duration,
12 smuggle_url,
13 unsmuggle_url,
14 xpath_text,
15 )
16
17
18 class MicrosoftVirtualAcademyBaseIE(InfoExtractor):
19 def _extract_base_url(self, course_id, display_id):
20 return self._download_json(
21 'https://api-mlxprod.microsoft.com/services/products/anonymous/%s' % course_id,
22 display_id, 'Downloading course base URL')
23
24 def _extract_chapter_and_title(self, title):
25 if not title:
26 return None, None
27 m = re.search(r'(?P<chapter>\d+)\s*\|\s*(?P<title>.+)', title)
28 return (int(m.group('chapter')), m.group('title')) if m else (None, title)
29
30
31 class MicrosoftVirtualAcademyIE(MicrosoftVirtualAcademyBaseIE):
32 IE_NAME = 'mva'
33 IE_DESC = 'Microsoft Virtual Academy videos'
34 _VALID_URL = r'(?:%s:|https?://(?:mva\.microsoft|(?:www\.)?microsoftvirtualacademy)\.com/[^/]+/training-courses/[^/?#&]+-)(?P<course_id>\d+)(?::|\?l=)(?P<id>[\da-zA-Z]+_\d+)' % IE_NAME
35
36 _TESTS = [{
37 'url': 'https://mva.microsoft.com/en-US/training-courses/microsoft-azure-fundamentals-virtual-machines-11788?l=gfVXISmEB_6804984382',
38 'md5': '7826c44fc31678b12ad8db11f6b5abb9',
39 'info_dict': {
40 'id': 'gfVXISmEB_6804984382',
41 'ext': 'mp4',
42 'title': 'Course Introduction',
43 'formats': 'mincount:3',
44 'subtitles': {
45 'en': [{
46 'ext': 'ttml',
47 }],
48 },
49 }
50 }, {
51 'url': 'mva:11788:gfVXISmEB_6804984382',
52 'only_matching': True,
53 }]
54
55 def _real_extract(self, url):
56 url, smuggled_data = unsmuggle_url(url, {})
57
58 mobj = re.match(self._VALID_URL, url)
59 course_id = mobj.group('course_id')
60 video_id = mobj.group('id')
61
62 base_url = smuggled_data.get('base_url') or self._extract_base_url(course_id, video_id)
63
64 settings = self._download_xml(
65 '%s/content/content_%s/videosettings.xml?v=1' % (base_url, video_id),
66 video_id, 'Downloading video settings XML')
67
68 _, title = self._extract_chapter_and_title(xpath_text(
69 settings, './/Title', 'title', fatal=True))
70
71 formats = []
72
73 for sources in settings.findall(compat_xpath('.//MediaSources')):
74 if sources.get('videoType') == 'smoothstreaming':
75 continue
76 for source in sources.findall(compat_xpath('./MediaSource')):
77 video_url = source.text
78 if not video_url or not video_url.startswith('http'):
79 continue
80 video_mode = source.get('videoMode')
81 height = int_or_none(self._search_regex(
82 r'^(\d+)[pP]$', video_mode or '', 'height', default=None))
83 codec = source.get('codec')
84 acodec, vcodec = [None] * 2
85 if codec:
86 codecs = codec.split(',')
87 if len(codecs) == 2:
88 acodec, vcodec = codecs
89 elif len(codecs) == 1:
90 vcodec = codecs[0]
91 formats.append({
92 'url': video_url,
93 'format_id': video_mode,
94 'height': height,
95 'acodec': acodec,
96 'vcodec': vcodec,
97 })
98 self._sort_formats(formats)
99
100 subtitles = {}
101 for source in settings.findall(compat_xpath('.//MarkerResourceSource')):
102 subtitle_url = source.text
103 if not subtitle_url:
104 continue
105 subtitles.setdefault('en', []).append({
106 'url': '%s/%s' % (base_url, subtitle_url),
107 'ext': source.get('type'),
108 })
109
110 return {
111 'id': video_id,
112 'title': title,
113 'subtitles': subtitles,
114 'formats': formats
115 }
116
117
118 class MicrosoftVirtualAcademyCourseIE(MicrosoftVirtualAcademyBaseIE):
119 IE_NAME = 'mva:course'
120 IE_DESC = 'Microsoft Virtual Academy courses'
121 _VALID_URL = r'(?:%s:|https?://(?:mva\.microsoft|(?:www\.)?microsoftvirtualacademy)\.com/[^/]+/training-courses/(?P<display_id>[^/?#&]+)-)(?P<id>\d+)' % IE_NAME
122
123 _TESTS = [{
124 'url': 'https://mva.microsoft.com/en-US/training-courses/microsoft-azure-fundamentals-virtual-machines-11788',
125 'info_dict': {
126 'id': '11788',
127 'title': 'Microsoft Azure Fundamentals: Virtual Machines',
128 },
129 'playlist_count': 36,
130 }, {
131 # with emphasized chapters
132 'url': 'https://mva.microsoft.com/en-US/training-courses/developing-windows-10-games-with-construct-2-16335',
133 'info_dict': {
134 'id': '16335',
135 'title': 'Developing Windows 10 Games with Construct 2',
136 },
137 'playlist_count': 10,
138 }, {
139 'url': 'https://www.microsoftvirtualacademy.com/en-US/training-courses/microsoft-azure-fundamentals-virtual-machines-11788',
140 'only_matching': True,
141 }, {
142 'url': 'mva:course:11788',
143 'only_matching': True,
144 }]
145
146 @classmethod
147 def suitable(cls, url):
148 return False if MicrosoftVirtualAcademyIE.suitable(url) else super(
149 MicrosoftVirtualAcademyCourseIE, cls).suitable(url)
150
151 def _real_extract(self, url):
152 mobj = re.match(self._VALID_URL, url)
153 course_id = mobj.group('id')
154 display_id = mobj.group('display_id')
155
156 base_url = self._extract_base_url(course_id, display_id)
157
158 manifest = self._download_json(
159 '%s/imsmanifestlite.json' % base_url,
160 display_id, 'Downloading course manifest JSON')['manifest']
161
162 organization = manifest['organizations']['organization'][0]
163
164 entries = []
165 for chapter in organization['item']:
166 chapter_number, chapter_title = self._extract_chapter_and_title(chapter.get('title'))
167 chapter_id = chapter.get('@identifier')
168 for item in chapter.get('item', []):
169 item_id = item.get('@identifier')
170 if not item_id:
171 continue
172 metadata = item.get('resource', {}).get('metadata') or {}
173 if metadata.get('learningresourcetype') != 'Video':
174 continue
175 _, title = self._extract_chapter_and_title(item.get('title'))
176 duration = parse_duration(metadata.get('duration'))
177 description = metadata.get('description')
178 entries.append({
179 '_type': 'url_transparent',
180 'url': smuggle_url(
181 'mva:%s:%s' % (course_id, item_id), {'base_url': base_url}),
182 'title': title,
183 'description': description,
184 'duration': duration,
185 'chapter': chapter_title,
186 'chapter_number': chapter_number,
187 'chapter_id': chapter_id,
188 })
189
190 title = organization.get('title') or manifest.get('metadata', {}).get('title')
191
192 return self.playlist_result(entries, course_id, title)