1 from __future__
import unicode_literals
9 from .common
import InfoExtractor
10 from ..compat
import (
21 srt_subtitles_timecode
,
28 class PluralsightBaseIE(InfoExtractor
):
29 _API_BASE
= 'https://app.pluralsight.com'
31 _GRAPHQL_EP
= '%s/player/api/graphql' % _API_BASE
33 'Content-Type': 'application/json;charset=UTF-8',
35 _GRAPHQL_COURSE_TMPL
= '''
36 query BootstrapPlayer {
49 course(courseId: "%s") {
53 translationLanguages {
57 supportsWideScreenVideoFormats
85 def _download_course(self
, course_id
, url
, display_id
):
87 return self
._download
_course
_rpc
(course_id
, url
, display_id
)
88 except ExtractorError
:
90 return self
._download
_json
(
91 'https://app.pluralsight.com/player/user/api/v1/player/payload',
92 display_id
, data
=urlencode_postdata({'courseId': course_id
}),
93 headers
={'Referer': url
})
95 def _download_course_rpc(self
, course_id
, url
, display_id
):
96 response
= self
._download
_json
(
97 self
._GRAPHQL
_EP
, display_id
, data
=json
.dumps({
98 'query': self
._GRAPHQL
_COURSE
_TMPL
% course_id
,
100 }).encode('utf-8'), headers
=self
._GRAPHQL
_HEADERS
)
103 response
, lambda x
: x
['data']['rpc']['bootstrapPlayer']['course'],
108 raise ExtractorError(
109 '%s said: %s' % (self
.IE_NAME
, response
['error']['message']),
113 class PluralsightIE(PluralsightBaseIE
):
114 IE_NAME
= 'pluralsight'
115 _VALID_URL
= r
'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:training/)?player\?'
116 _LOGIN_URL
= 'https://app.pluralsight.com/id/'
118 _NETRC_MACHINE
= 'pluralsight'
121 'url': 'http://www.pluralsight.com/training/player?author=mike-mckeown&name=hosting-sql-server-windows-azure-iaas-m7-mgmt&mode=live&clip=3&course=hosting-sql-server-windows-azure-iaas',
122 'md5': '4d458cf5cf4c593788672419a8dd4cf8',
124 'id': 'hosting-sql-server-windows-azure-iaas-m7-mgmt-04',
126 'title': 'Demo Monitoring',
129 'skip': 'Requires pluralsight account credentials',
131 'url': 'https://app.pluralsight.com/training/player?course=angularjs-get-started&author=scott-allen&name=angularjs-get-started-m1-introduction&clip=0&mode=live',
132 'only_matching': True,
134 # available without pluralsight account
135 'url': 'http://app.pluralsight.com/training/player?author=scott-allen&name=angularjs-get-started-m1-introduction&mode=live&clip=0&course=angularjs-get-started',
136 'only_matching': True,
138 'url': 'https://app.pluralsight.com/player?course=ccna-intro-networking&author=ross-bagurdes&name=ccna-intro-networking-m06&clip=0',
139 'only_matching': True,
142 GRAPHQL_VIEWCLIP_TMPL
= '''
145 author: "%(author)s",
146 clipIndex: %(clipIndex)d,
147 courseName: "%(courseName)s",
148 includeCaptions: %(includeCaptions)s,
149 locale: "%(locale)s",
150 mediaType: "%(mediaType)s",
151 moduleName: "%(moduleName)s",
152 quality: "%(quality)s"
164 def _real_initialize(self
):
168 username
, password
= self
._get
_login
_info
()
172 login_page
= self
._download
_webpage
(
173 self
._LOGIN
_URL
, None, 'Downloading login page')
175 login_form
= self
._hidden
_inputs
(login_page
)
178 'Username': username
,
179 'Password': password
,
182 post_url
= self
._search
_regex
(
183 r
'<form[^>]+action=(["\'])(?P
<url
>.+?
)\
1', login_page,
184 'post url
', default=self._LOGIN_URL, group='url
')
186 if not post_url.startswith('http
'):
187 post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
189 response = self._download_webpage(
190 post_url, None, 'Logging
in',
191 data=urlencode_postdata(login_form),
192 headers={'Content
-Type
': 'application
/x
-www
-form
-urlencoded
'})
194 error = self._search_regex(
195 r'<span
[^
>]+class="field-validation-error"[^
>]*>([^
<]+)</span
>',
196 response, 'error message
', default=None)
198 raise ExtractorError('Unable to login
: %s' % error, expected=True)
200 if all(not re.search(p, response) for p in (
201 r'__INITIAL_STATE__
', r'["\']currentUser["\']',
203 r'>\s
*Sign out\s
*<')):
204 BLOCKED = 'Your account has been blocked due to suspicious activity
'
205 if BLOCKED in response:
206 raise ExtractorError(
207 'Unable to login
: %s' % BLOCKED, expected=True)
208 MUST_AGREE = 'To
continue using Pluralsight
, you must agree to
'
209 if any(p in response for p in (MUST_AGREE, '>Disagree
<', '>Agree
<')):
210 raise ExtractorError(
211 'Unable to login
: %s some documents
. Go to pluralsight
.com
, '
212 'log
in and agree
with what Pluralsight requires
.'
213 % MUST_AGREE, expected=True)
215 raise ExtractorError('Unable to log
in')
217 def _get_subtitles(self, author, clip_idx, clip_id, lang, name, duration, video_id):
220 captions = self._download_json(
221 '%s/transcript
/api
/v1
/caption
/json
/%s/%s'
222 % (self._API_BASE, clip_id, lang), video_id,
223 'Downloading captions JSON
', 'Unable to download captions JSON
',
232 captions = self._download_json(
233 '%s/player
/retrieve
-captions
' % self._API_BASE, video_id,
234 'Downloading captions JSON
', 'Unable to download captions JSON
',
235 fatal=False, data=json.dumps(captions_post).encode('utf
-8'),
236 headers={'Content
-Type
': 'application
/json
;charset
=utf
-8'})
241 'data
': json.dumps(captions),
244 'data
': self._convert_subtitles(duration, captions),
249 def _convert_subtitles(duration, subs):
251 TIME_OFFSET_KEYS = ('displayTimeOffset
', 'DisplayTimeOffset
')
252 TEXT_KEYS = ('text
', 'Text
')
253 for num, current in enumerate(subs):
256 float_or_none(dict_get(current, TIME_OFFSET_KEYS, skip_false_values=False)),
257 dict_get(current, TEXT_KEYS))
258 if start is None or text is None:
260 end = duration if num == len(subs) - 1 else float_or_none(
261 dict_get(subs[num + 1], TIME_OFFSET_KEYS, skip_false_values=False))
264 srt += os.linesep.join(
268 srt_subtitles_timecode(start),
269 srt_subtitles_timecode(end)),
275 def _real_extract(self, url):
276 qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
278 author = qs.get('author
', [None])[0]
279 name = qs.get('name
', [None])[0]
280 clip_idx = qs.get('clip
', [None])[0]
281 course_name = qs.get('course
', [None])[0]
283 if any(not f for f in (author, name, clip_idx, course_name,)):
284 raise ExtractorError('Invalid URL
', expected=True)
286 display_id = '%s-%s' % (name, clip_idx)
288 course = self._download_course(course_name, url, display_id)
290 collection = course['modules
']
294 for module_ in collection:
295 if name in (module_.get('moduleName
'), module_.get('name
')):
296 for clip_ in module_.get('clips
', []):
297 clip_index = clip_.get('clipIndex
')
298 if clip_index is None:
299 clip_index = clip_.get('index
')
300 if clip_index is None:
302 if compat_str(clip_index) == clip_idx:
307 raise ExtractorError('Unable to resolve clip
')
309 title = clip['title
']
310 clip_id = clip.get('clipName
') or clip.get('name
') or clip['clipId
']
313 'low
': {'width
': 640, 'height
': 480},
314 'medium
': {'width
': 848, 'height
': 640},
315 'high
': {'width
': 1024, 'height
': 768},
316 'high
-widescreen
': {'width
': 1280, 'height
': 720},
319 QUALITIES_PREFERENCE = ('low
', 'medium
', 'high
', 'high
-widescreen
',)
320 quality_key = qualities(QUALITIES_PREFERENCE)
322 AllowedQuality = collections.namedtuple('AllowedQuality
', ['ext
', 'qualities
'])
324 ALLOWED_QUALITIES = (
325 AllowedQuality('webm
', ['high
', ]),
326 AllowedQuality('mp4
', ['low
', 'medium
', 'high
', ]),
329 # Some courses also offer widescreen resolution for high quality (see
330 # https://github.com/ytdl-org/youtube-dl/issues/7766)
331 widescreen = course.get('supportsWideScreenVideoFormats
') is True
332 best_quality = 'high
-widescreen
' if widescreen else 'high
'
334 for allowed_quality in ALLOWED_QUALITIES:
335 allowed_quality.qualities.append(best_quality)
337 # In order to minimize the number of calls to ViewClip API and reduce
338 # the probability of being throttled or banned by Pluralsight we will request
339 # only single format until formats listing was explicitly requested.
340 if self._downloader.params.get('listformats
', False):
341 allowed_qualities = ALLOWED_QUALITIES
343 def guess_allowed_qualities():
344 req_format = self._downloader.params.get('format
') or 'best
'
345 req_format_split = req_format.split('-', 1)
346 if len(req_format_split) > 1:
347 req_ext, req_quality = req_format_split
348 req_quality = '-'.join(req_quality.split('-')[:2])
349 for allowed_quality in ALLOWED_QUALITIES:
350 if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities:
351 return (AllowedQuality(req_ext, (req_quality, )), )
352 req_ext = 'webm
' if self._downloader.params.get('prefer_free_formats
') else 'mp4
'
353 return (AllowedQuality(req_ext, (best_quality, )), )
354 allowed_qualities = guess_allowed_qualities()
357 for ext, qualities_ in allowed_qualities:
358 for quality in qualities_:
359 f = QUALITIES[quality].copy()
362 'includeCaptions
': 'false
',
363 'clipIndex
': int(clip_idx),
364 'courseName
': course_name,
368 'quality
': '%dx%d' % (f['width
'], f['height
']),
370 format_id = '%s-%s' % (ext, quality)
373 viewclip = self._download_json(
374 self._GRAPHQL_EP, display_id,
375 'Downloading
%s viewclip graphql
' % format_id,
377 'query
': self.GRAPHQL_VIEWCLIP_TMPL % clip_post,
380 headers=self._GRAPHQL_HEADERS)['data
']['viewClip
']
381 except ExtractorError:
382 # Still works but most likely will go soon
383 viewclip = self._download_json(
384 '%s/video
/clips
/viewclip
' % self._API_BASE, display_id,
385 'Downloading
%s viewclip JSON
' % format_id, fatal=False,
386 data=json.dumps(clip_post).encode('utf
-8'),
387 headers={'Content
-Type
': 'application
/json
;charset
=utf
-8'})
389 # Pluralsight tracks multiple sequential calls to ViewClip API and start
390 # to return 429 HTTP errors after some time (see
391 # https://github.com/ytdl-org/youtube-dl/pull/6989). Moreover it may even lead
392 # to account ban (see https://github.com/ytdl-org/youtube-dl/issues/6842).
393 # To somewhat reduce the probability of these consequences
394 # we will sleep random amount of time before each call to ViewClip.
396 random.randint(2, 5), display_id,
397 '%(video_id)s: Waiting
for %(timeout)s seconds to avoid throttling
')
402 clip_urls = viewclip.get('urls
')
403 if not isinstance(clip_urls, list):
406 for clip_url_data in clip_urls:
407 clip_url = clip_url_data.get('url
')
410 cdn = clip_url_data.get('cdn
')
415 'format_id
': '%s-%s' % (format_id, cdn) if cdn else format_id,
416 'quality
': quality_key(quality),
417 'source_preference
': int_or_none(clip_url_data.get('rank
')),
419 formats.append(clip_f)
421 self._sort_formats(formats)
423 duration = int_or_none(
424 clip.get('duration
')) or parse_duration(clip.get('formattedDuration
'))
426 # TODO: other languages?
427 subtitles = self.extract_subtitles(
428 author, clip_idx, clip.get('clipId
'), 'en
', name, duration, display_id)
433 'duration
': duration,
436 'subtitles
': subtitles,
440 class PluralsightCourseIE(PluralsightBaseIE):
441 IE_NAME = 'pluralsight
:course
'
442 _VALID_URL = r'https?
://(?
:(?
:www|app
)\
.)?pluralsight\
.com
/(?
:library
/)?courses
/(?P
<id>[^
/]+)'
444 # Free course from Pluralsight Starter Subscription for Microsoft TechNet
445 # https://offers.pluralsight.com/technet?loc=zTS3z&prod=zOTprodz&tech=zOttechz&prog=zOTprogz&type=zSOz&media=zOTmediaz&country=zUSz
446 'url
': 'http
://www
.pluralsight
.com
/courses
/hosting
-sql
-server
-windows
-azure
-iaas
',
448 'id': 'hosting
-sql
-server
-windows
-azure
-iaas
',
449 'title
': 'Hosting SQL Server
in Microsoft Azure IaaS Fundamentals
',
450 'description
': 'md5
:61b37e60f21c4b2f91dc621a977d0986
',
452 'playlist_count
': 31,
454 # available without pluralsight account
455 'url
': 'https
://www
.pluralsight
.com
/courses
/angularjs
-get
-started
',
456 'only_matching
': True,
458 'url
': 'https
://app
.pluralsight
.com
/library
/courses
/understanding
-microsoft
-azure
-amazon
-aws
/table
-of
-contents
',
459 'only_matching
': True,
462 def _real_extract(self, url):
463 course_id = self._match_id(url)
467 course = self._download_course(course_id, url, course_id)
469 title = course['title
']
470 course_name = course['name
']
471 course_data = course['modules
']
472 description = course.get('description
') or course.get('shortDescription
')
475 for num, module in enumerate(course_data, 1):
476 author = module.get('author
')
477 module_name = module.get('name
')
478 if not author or not module_name:
480 for clip in module.get('clips
', []):
481 clip_index = int_or_none(clip.get('index
'))
482 if clip_index is None:
484 clip_url = update_url_query(
485 '%s/player
' % self._API_BASE, query={
487 'course
': course_name,
493 '_type
': 'url_transparent
',
495 'ie_key
': PluralsightIE.ie_key(),
496 'chapter
': module.get('title
'),
497 'chapter_number
': num,
498 'chapter_id
': module.get('moduleRef
'),
501 return self.playlist_result(entries, course_id, title, description)