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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 sources_type = sources.get('videoType')
75 for source in sources.findall(compat_xpath('./MediaSource')):
76 video_url = source.text
77 if not video_url or not video_url.startswith('http'):
78 continue
79 if sources_type == 'smoothstreaming':
80 formats.extend(self._extract_ism_formats(
81 video_url, video_id, 'mss', fatal=False))
82 continue
83 video_mode = source.get('videoMode')
84 height = int_or_none(self._search_regex(
85 r'^(\d+)[pP]$', video_mode or '', 'height', default=None))
86 codec = source.get('codec')
87 acodec, vcodec = [None] * 2
88 if codec:
89 codecs = codec.split(',')
90 if len(codecs) == 2:
91 acodec, vcodec = codecs
92 elif len(codecs) == 1:
93 vcodec = codecs[0]
94 formats.append({
95 'url': video_url,
96 'format_id': video_mode,
97 'height': height,
98 'acodec': acodec,
99 'vcodec': vcodec,
100 })
101 self._sort_formats(formats)
102
103 subtitles = {}
104 for source in settings.findall(compat_xpath('.//MarkerResourceSource')):
105 subtitle_url = source.text
106 if not subtitle_url:
107 continue
108 subtitles.setdefault('en', []).append({
109 'url': '%s/%s' % (base_url, subtitle_url),
110 'ext': source.get('type'),
111 })
112
113 return {
114 'id': video_id,
115 'title': title,
116 'subtitles': subtitles,
117 'formats': formats
118 }
119
120
121 class MicrosoftVirtualAcademyCourseIE(MicrosoftVirtualAcademyBaseIE):
122 IE_NAME = 'mva:course'
123 IE_DESC = 'Microsoft Virtual Academy courses'
124 _VALID_URL = r'(?:%s:|https?://(?:mva\.microsoft|(?:www\.)?microsoftvirtualacademy)\.com/[^/]+/training-courses/(?P<display_id>[^/?#&]+)-)(?P<id>\d+)' % IE_NAME
125
126 _TESTS = [{
127 'url': 'https://mva.microsoft.com/en-US/training-courses/microsoft-azure-fundamentals-virtual-machines-11788',
128 'info_dict': {
129 'id': '11788',
130 'title': 'Microsoft Azure Fundamentals: Virtual Machines',
131 },
132 'playlist_count': 36,
133 }, {
134 # with emphasized chapters
135 'url': 'https://mva.microsoft.com/en-US/training-courses/developing-windows-10-games-with-construct-2-16335',
136 'info_dict': {
137 'id': '16335',
138 'title': 'Developing Windows 10 Games with Construct 2',
139 },
140 'playlist_count': 10,
141 }, {
142 'url': 'https://www.microsoftvirtualacademy.com/en-US/training-courses/microsoft-azure-fundamentals-virtual-machines-11788',
143 'only_matching': True,
144 }, {
145 'url': 'mva:course:11788',
146 'only_matching': True,
147 }]
148
149 @classmethod
150 def suitable(cls, url):
151 return False if MicrosoftVirtualAcademyIE.suitable(url) else super(
152 MicrosoftVirtualAcademyCourseIE, cls).suitable(url)
153
154 def _real_extract(self, url):
155 mobj = re.match(self._VALID_URL, url)
156 course_id = mobj.group('id')
157 display_id = mobj.group('display_id')
158
159 base_url = self._extract_base_url(course_id, display_id)
160
161 manifest = self._download_json(
162 '%s/imsmanifestlite.json' % base_url,
163 display_id, 'Downloading course manifest JSON')['manifest']
164
165 organization = manifest['organizations']['organization'][0]
166
167 entries = []
168 for chapter in organization['item']:
169 chapter_number, chapter_title = self._extract_chapter_and_title(chapter.get('title'))
170 chapter_id = chapter.get('@identifier')
171 for item in chapter.get('item', []):
172 item_id = item.get('@identifier')
173 if not item_id:
174 continue
175 metadata = item.get('resource', {}).get('metadata') or {}
176 if metadata.get('learningresourcetype') != 'Video':
177 continue
178 _, title = self._extract_chapter_and_title(item.get('title'))
179 duration = parse_duration(metadata.get('duration'))
180 description = metadata.get('description')
181 entries.append({
182 '_type': 'url_transparent',
183 'url': smuggle_url(
184 'mva:%s:%s' % (course_id, item_id), {'base_url': base_url}),
185 'title': title,
186 'description': description,
187 'duration': duration,
188 'chapter': chapter_title,
189 'chapter_number': chapter_number,
190 'chapter_id': chapter_id,
191 })
192
193 title = organization.get('title') or manifest.get('metadata', {}).get('title')
194
195 return self.playlist_result(entries, course_id, title)