1 from __future__ import unicode_literals
8 from .common import InfoExtractor
20 srt_subtitles_timecode,
27 class PluralsightBaseIE(InfoExtractor):
28 _API_BASE = 'https://app.pluralsight.com'
30 def _download_course(self, course_id, url, display_id):
32 return self._download_course_rpc(course_id, url, display_id)
33 except ExtractorError:
35 return self._download_json(
36 'https://app.pluralsight.com/player/user/api/v1/player/payload',
37 display_id, data=urlencode_postdata({'courseId': course_id}),
38 headers={'Referer': url})
40 def _download_course_rpc(self, course_id, url, display_id):
41 response = self._download_json(
42 '%s/player/functions/rpc' % self._API_BASE, display_id,
43 'Downloading course JSON',
45 'fn': 'bootstrapPlayer',
47 'courseId': course_id,
51 'Content-Type': 'application/json;charset=utf-8',
55 course = try_get(response, lambda x: x['payload']['course'], dict)
60 '%s said: %s' % (self.IE_NAME, response['error']['message']),
64 class PluralsightIE(PluralsightBaseIE):
65 IE_NAME = 'pluralsight'
66 _VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:training/)?player\?'
67 _LOGIN_URL = 'https://app.pluralsight.com/id/'
69 _NETRC_MACHINE = 'pluralsight'
72 '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',
73 'md5': '4d458cf5cf4c593788672419a8dd4cf8',
75 'id': 'hosting-sql-server-windows-azure-iaas-m7-mgmt-04',
77 'title': 'Demo Monitoring',
80 'skip': 'Requires pluralsight account credentials',
82 'url': 'https://app.pluralsight.com/training/player?course=angularjs-get-started&author=scott-allen&name=angularjs-get-started-m1-introduction&clip=0&mode=live',
83 'only_matching': True,
85 # available without pluralsight account
86 'url': 'http://app.pluralsight.com/training/player?author=scott-allen&name=angularjs-get-started-m1-introduction&mode=live&clip=0&course=angularjs-get-started',
87 'only_matching': True,
89 'url': 'https://app.pluralsight.com/player?course=ccna-intro-networking&author=ross-bagurdes&name=ccna-intro-networking-m06&clip=0',
90 'only_matching': True,
93 def _real_initialize(self):
97 (username, password) = self._get_login_info()
101 login_page = self._download_webpage(
102 self._LOGIN_URL, None, 'Downloading login page')
104 login_form = self._hidden_inputs(login_page)
107 'Username': username,
108 'Password': password,
111 post_url = self._search_regex(
112 r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
113 'post url', default=self._LOGIN_URL, group='url')
115 if not post_url.startswith('http'):
116 post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
118 response = self._download_webpage(
119 post_url, None, 'Logging in',
120 data=urlencode_postdata(login_form),
121 headers={'Content-Type': 'application/x-www-form-urlencoded'})
123 error = self._search_regex(
124 r'<span[^>]+class="field-validation-error"[^>]*>([^<]+)</span>',
125 response, 'error message', default=None)
127 raise ExtractorError('Unable to login: %s' % error, expected=True)
129 if all(p not in response for p in ('__INITIAL_STATE__', '"currentUser"')):
130 BLOCKED = 'Your account has been blocked due to suspicious activity'
131 if BLOCKED in response:
132 raise ExtractorError(
133 'Unable to login: %s' % BLOCKED, expected=True)
134 MUST_AGREE = 'To continue using Pluralsight, you must agree to'
135 if any(p in response for p in (MUST_AGREE, '>Disagree<', '>Agree<')):
136 raise ExtractorError(
137 'Unable to login: %s some documents. Go to pluralsight.com, '
138 'log in and agree with what Pluralsight requires.'
139 % MUST_AGREE, expected=True)
141 raise ExtractorError('Unable to log in')
143 def _get_subtitles(self, author, clip_id, lang, name, duration, video_id):
150 captions = self._download_json(
151 '%s/player/retrieve-captions' % self._API_BASE, video_id,
152 'Downloading captions JSON', 'Unable to download captions JSON',
153 fatal=False, data=json.dumps(captions_post).encode('utf-8'),
154 headers={'Content-Type': 'application/json;charset=utf-8'})
159 'data': json.dumps(captions),
162 'data': self._convert_subtitles(duration, captions),
167 def _convert_subtitles(duration, subs):
169 TIME_OFFSET_KEYS = ('displayTimeOffset', 'DisplayTimeOffset')
170 TEXT_KEYS = ('text', 'Text')
171 for num, current in enumerate(subs):
174 float_or_none(dict_get(current, TIME_OFFSET_KEYS, skip_false_values=False)),
175 dict_get(current, TEXT_KEYS))
176 if start is None or text is None:
178 end = duration if num == len(subs) - 1 else float_or_none(
179 dict_get(subs[num + 1], TIME_OFFSET_KEYS, skip_false_values=False))
182 srt += os.linesep.join(
186 srt_subtitles_timecode(start),
187 srt_subtitles_timecode(end)),
193 def _real_extract(self, url):
194 qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
196 author = qs.get('author', [None])[0]
197 name = qs.get('name', [None])[0]
198 clip_id = qs.get('clip', [None])[0]
199 course_name = qs.get('course', [None])[0]
201 if any(not f for f in (author, name, clip_id, course_name,)):
202 raise ExtractorError('Invalid URL', expected=True)
204 display_id = '%s-%s' % (name, clip_id)
206 course = self._download_course(course_name, url, display_id)
208 collection = course['modules']
212 for module_ in collection:
213 if name in (module_.get('moduleName'), module_.get('name')):
214 for clip_ in module_.get('clips', []):
215 clip_index = clip_.get('clipIndex')
216 if clip_index is None:
217 clip_index = clip_.get('index')
218 if clip_index is None:
220 if compat_str(clip_index) == clip_id:
225 raise ExtractorError('Unable to resolve clip')
227 title = clip['title']
230 'low': {'width': 640, 'height': 480},
231 'medium': {'width': 848, 'height': 640},
232 'high': {'width': 1024, 'height': 768},
233 'high-widescreen': {'width': 1280, 'height': 720},
236 QUALITIES_PREFERENCE = ('low', 'medium', 'high', 'high-widescreen',)
237 quality_key = qualities(QUALITIES_PREFERENCE)
239 AllowedQuality = collections.namedtuple('AllowedQuality', ['ext', 'qualities'])
241 ALLOWED_QUALITIES = (
242 AllowedQuality('webm', ['high', ]),
243 AllowedQuality('mp4', ['low', 'medium', 'high', ]),
246 # Some courses also offer widescreen resolution for high quality (see
247 # https://github.com/rg3/youtube-dl/issues/7766)
248 widescreen = course.get('supportsWideScreenVideoFormats') is True
249 best_quality = 'high-widescreen' if widescreen else 'high'
251 for allowed_quality in ALLOWED_QUALITIES:
252 allowed_quality.qualities.append(best_quality)
254 # In order to minimize the number of calls to ViewClip API and reduce
255 # the probability of being throttled or banned by Pluralsight we will request
256 # only single format until formats listing was explicitly requested.
257 if self._downloader.params.get('listformats', False):
258 allowed_qualities = ALLOWED_QUALITIES
260 def guess_allowed_qualities():
261 req_format = self._downloader.params.get('format') or 'best'
262 req_format_split = req_format.split('-', 1)
263 if len(req_format_split) > 1:
264 req_ext, req_quality = req_format_split
265 req_quality = '-'.join(req_quality.split('-')[:2])
266 for allowed_quality in ALLOWED_QUALITIES:
267 if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities:
268 return (AllowedQuality(req_ext, (req_quality, )), )
269 req_ext = 'webm' if self._downloader.params.get('prefer_free_formats') else 'mp4'
270 return (AllowedQuality(req_ext, (best_quality, )), )
271 allowed_qualities = guess_allowed_qualities()
274 for ext, qualities_ in allowed_qualities:
275 for quality in qualities_:
276 f = QUALITIES[quality].copy()
279 'includeCaptions': False,
280 'clipIndex': int(clip_id),
281 'courseName': course_name,
285 'quality': '%dx%d' % (f['width'], f['height']),
287 format_id = '%s-%s' % (ext, quality)
288 viewclip = self._download_json(
289 '%s/video/clips/viewclip' % self._API_BASE, display_id,
290 'Downloading %s viewclip JSON' % format_id, fatal=False,
291 data=json.dumps(clip_post).encode('utf-8'),
292 headers={'Content-Type': 'application/json;charset=utf-8'})
294 # Pluralsight tracks multiple sequential calls to ViewClip API and start
295 # to return 429 HTTP errors after some time (see
296 # https://github.com/rg3/youtube-dl/pull/6989). Moreover it may even lead
297 # to account ban (see https://github.com/rg3/youtube-dl/issues/6842).
298 # To somewhat reduce the probability of these consequences
299 # we will sleep random amount of time before each call to ViewClip.
301 random.randint(2, 5), display_id,
302 '%(video_id)s: Waiting for %(timeout)s seconds to avoid throttling')
307 clip_urls = viewclip.get('urls')
308 if not isinstance(clip_urls, list):
311 for clip_url_data in clip_urls:
312 clip_url = clip_url_data.get('url')
315 cdn = clip_url_data.get('cdn')
320 'format_id': '%s-%s' % (format_id, cdn) if cdn else format_id,
321 'quality': quality_key(quality),
322 'source_preference': int_or_none(clip_url_data.get('rank')),
324 formats.append(clip_f)
326 self._sort_formats(formats)
328 duration = int_or_none(
329 clip.get('duration')) or parse_duration(clip.get('formattedDuration'))
331 # TODO: other languages?
332 subtitles = self.extract_subtitles(
333 author, clip_id, 'en', name, duration, display_id)
336 'id': clip.get('clipName') or clip['name'],
338 'duration': duration,
341 'subtitles': subtitles,
345 class PluralsightCourseIE(PluralsightBaseIE):
346 IE_NAME = 'pluralsight:course'
347 _VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:library/)?courses/(?P<id>[^/]+)'
349 # Free course from Pluralsight Starter Subscription for Microsoft TechNet
350 # https://offers.pluralsight.com/technet?loc=zTS3z&prod=zOTprodz&tech=zOttechz&prog=zOTprogz&type=zSOz&media=zOTmediaz&country=zUSz
351 'url': 'http://www.pluralsight.com/courses/hosting-sql-server-windows-azure-iaas',
353 'id': 'hosting-sql-server-windows-azure-iaas',
354 'title': 'Hosting SQL Server in Microsoft Azure IaaS Fundamentals',
355 'description': 'md5:61b37e60f21c4b2f91dc621a977d0986',
357 'playlist_count': 31,
359 # available without pluralsight account
360 'url': 'https://www.pluralsight.com/courses/angularjs-get-started',
361 'only_matching': True,
363 'url': 'https://app.pluralsight.com/library/courses/understanding-microsoft-azure-amazon-aws/table-of-contents',
364 'only_matching': True,
367 def _real_extract(self, url):
368 course_id = self._match_id(url)
372 course = self._download_course(course_id, url, course_id)
374 title = course['title']
375 course_name = course['name']
376 course_data = course['modules']
377 description = course.get('description') or course.get('shortDescription')
380 for num, module in enumerate(course_data, 1):
381 author = module.get('author')
382 module_name = module.get('name')
383 if not author or not module_name:
385 for clip in module.get('clips', []):
386 clip_index = int_or_none(clip.get('index'))
387 if clip_index is None:
389 clip_url = update_url_query(
390 '%s/player' % self._API_BASE, query={
392 'course': course_name,
398 '_type': 'url_transparent',
400 'ie_key': PluralsightIE.ie_key(),
401 'chapter': module.get('title'),
402 'chapter_number': num,
403 'chapter_id': module.get('moduleRef'),
406 return self.playlist_result(entries, course_id, title, description)