from __future__ import unicode_literals
-import re
+import collections
import json
+import os
+import random
from .common import InfoExtractor
from ..compat import (
compat_str,
- compat_urllib_parse,
- compat_urllib_request,
compat_urlparse,
)
from ..utils import (
+ dict_get,
ExtractorError,
+ float_or_none,
int_or_none,
parse_duration,
+ qualities,
+ srt_subtitles_timecode,
+ urlencode_postdata,
)
-class PluralsightIE(InfoExtractor):
+class PluralsightBaseIE(InfoExtractor):
+ _API_BASE = 'https://app.pluralsight.com'
+
+
+class PluralsightIE(PluralsightBaseIE):
IE_NAME = 'pluralsight'
- _VALID_URL = r'https?://(?:www\.)?pluralsight\.com/training/player\?author=(?P<author>[^&]+)&name=(?P<name>[^&]+)(?:&mode=live)?&clip=(?P<clip>\d+)&course=(?P<course>[^&]+)'
- _LOGIN_URL = 'https://www.pluralsight.com/id/'
+ _VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:training/)?player\?'
+ _LOGIN_URL = 'https://app.pluralsight.com/id/'
+
_NETRC_MACHINE = 'pluralsight'
- _TEST = {
+ _TESTS = [{
'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',
'md5': '4d458cf5cf4c593788672419a8dd4cf8',
'info_dict': {
'duration': 338,
},
'skip': 'Requires pluralsight account credentials',
- }
+ }, {
+ 'url': 'https://app.pluralsight.com/training/player?course=angularjs-get-started&author=scott-allen&name=angularjs-get-started-m1-introduction&clip=0&mode=live',
+ 'only_matching': True,
+ }, {
+ # available without pluralsight account
+ 'url': 'http://app.pluralsight.com/training/player?author=scott-allen&name=angularjs-get-started-m1-introduction&mode=live&clip=0&course=angularjs-get-started',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://app.pluralsight.com/player?course=ccna-intro-networking&author=ross-bagurdes&name=ccna-intro-networking-m06&clip=0',
+ 'only_matching': True,
+ }]
def _real_initialize(self):
self._login()
def _login(self):
(username, password) = self._get_login_info()
if username is None:
- self.raise_login_required('Pluralsight account is required')
+ return
login_page = self._download_webpage(
self._LOGIN_URL, None, 'Downloading login page')
login_form = self._hidden_inputs(login_page)
login_form.update({
- 'Username': username.encode('utf-8'),
- 'Password': password.encode('utf-8'),
+ 'Username': username,
+ 'Password': password,
})
post_url = self._search_regex(
if not post_url.startswith('http'):
post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
- request = compat_urllib_request.Request(
- post_url, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
- request.add_header('Content-Type', 'application/x-www-form-urlencoded')
-
response = self._download_webpage(
- request, None, 'Logging in as %s' % username)
+ post_url, None, 'Logging in as %s' % username,
+ data=urlencode_postdata(login_form),
+ headers={'Content-Type': 'application/x-www-form-urlencoded'})
error = self._search_regex(
r'<span[^>]+class="field-validation-error"[^>]*>([^<]+)</span>',
if error:
raise ExtractorError('Unable to login: %s' % error, expected=True)
+ if all(p not in response for p in ('__INITIAL_STATE__', '"currentUser"')):
+ raise ExtractorError('Unable to log in')
+
+ def _get_subtitles(self, author, clip_id, lang, name, duration, video_id):
+ captions_post = {
+ 'a': author,
+ 'cn': clip_id,
+ 'lc': lang,
+ 'm': name,
+ }
+ captions = self._download_json(
+ '%s/player/retrieve-captions' % self._API_BASE, video_id,
+ 'Downloading captions JSON', 'Unable to download captions JSON',
+ fatal=False, data=json.dumps(captions_post).encode('utf-8'),
+ headers={'Content-Type': 'application/json;charset=utf-8'})
+ if captions:
+ return {
+ lang: [{
+ 'ext': 'json',
+ 'data': json.dumps(captions),
+ }, {
+ 'ext': 'srt',
+ 'data': self._convert_subtitles(duration, captions),
+ }]
+ }
+
+ @staticmethod
+ def _convert_subtitles(duration, subs):
+ srt = ''
+ TIME_OFFSET_KEYS = ('displayTimeOffset', 'DisplayTimeOffset')
+ TEXT_KEYS = ('text', 'Text')
+ for num, current in enumerate(subs):
+ current = subs[num]
+ start, text = (
+ float_or_none(dict_get(current, TIME_OFFSET_KEYS)),
+ dict_get(current, TEXT_KEYS))
+ if start is None or text is None:
+ continue
+ end = duration if num == len(subs) - 1 else float_or_none(
+ dict_get(subs[num + 1], TIME_OFFSET_KEYS))
+ if end is None:
+ continue
+ srt += os.linesep.join(
+ (
+ '%d' % num,
+ '%s --> %s' % (
+ srt_subtitles_timecode(start),
+ srt_subtitles_timecode(end)),
+ text,
+ os.linesep,
+ ))
+ return srt
+
def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- author = mobj.group('author')
- name = mobj.group('name')
- clip_id = mobj.group('clip')
- course = mobj.group('course')
+ qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
+
+ author = qs.get('author', [None])[0]
+ name = qs.get('name', [None])[0]
+ clip_id = qs.get('clip', [None])[0]
+ course_name = qs.get('course', [None])[0]
+
+ if any(not f for f in (author, name, clip_id, course_name,)):
+ raise ExtractorError('Invalid URL', expected=True)
display_id = '%s-%s' % (name, clip_id)
- webpage = self._download_webpage(url, display_id)
+ parsed_url = compat_urlparse.urlparse(url)
+
+ payload_url = compat_urlparse.urlunparse(parsed_url._replace(
+ netloc='app.pluralsight.com', path='player/api/v1/payload'))
- collection = self._parse_json(
- self._search_regex(
- r'moduleCollection\s*:\s*new\s+ModuleCollection\((\[.+?\])\s*,\s*\$rootScope\)',
- webpage, 'modules'),
- display_id)
+ course = self._download_json(
+ payload_url, display_id, headers={'Referer': url})['payload']['course']
+
+ collection = course['modules']
module, clip = None, None
for module_ in collection:
- if module_.get('moduleName') == name:
+ if name in (module_.get('moduleName'), module_.get('name')):
module = module_
for clip_ in module_.get('clips', []):
clip_index = clip_.get('clipIndex')
+ if clip_index is None:
+ clip_index = clip_.get('index')
if clip_index is None:
continue
if compat_str(clip_index) == clip_id:
if not clip:
raise ExtractorError('Unable to resolve clip')
+ title = '%s - %s' % (module['title'], clip['title'])
+
QUALITIES = {
'low': {'width': 640, 'height': 480},
'medium': {'width': 848, 'height': 640},
'high': {'width': 1024, 'height': 768},
+ 'high-widescreen': {'width': 1280, 'height': 720},
}
+ QUALITIES_PREFERENCE = ('low', 'medium', 'high', 'high-widescreen',)
+ quality_key = qualities(QUALITIES_PREFERENCE)
+
+ AllowedQuality = collections.namedtuple('AllowedQuality', ['ext', 'qualities'])
+
ALLOWED_QUALITIES = (
- ('webm', ('high',)),
- ('mp4', ('low', 'medium', 'high',)),
+ AllowedQuality('webm', ['high', ]),
+ AllowedQuality('mp4', ['low', 'medium', 'high', ]),
)
+ # Some courses also offer widescreen resolution for high quality (see
+ # https://github.com/rg3/youtube-dl/issues/7766)
+ widescreen = course.get('supportsWideScreenVideoFormats') is True
+ best_quality = 'high-widescreen' if widescreen else 'high'
+ if widescreen:
+ for allowed_quality in ALLOWED_QUALITIES:
+ allowed_quality.qualities.append(best_quality)
+
+ # In order to minimize the number of calls to ViewClip API and reduce
+ # the probability of being throttled or banned by Pluralsight we will request
+ # only single format until formats listing was explicitly requested.
+ if self._downloader.params.get('listformats', False):
+ allowed_qualities = ALLOWED_QUALITIES
+ else:
+ def guess_allowed_qualities():
+ req_format = self._downloader.params.get('format') or 'best'
+ req_format_split = req_format.split('-', 1)
+ if len(req_format_split) > 1:
+ req_ext, req_quality = req_format_split
+ for allowed_quality in ALLOWED_QUALITIES:
+ if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities:
+ return (AllowedQuality(req_ext, (req_quality, )), )
+ req_ext = 'webm' if self._downloader.params.get('prefer_free_formats') else 'mp4'
+ return (AllowedQuality(req_ext, (best_quality, )), )
+ allowed_qualities = guess_allowed_qualities()
+
formats = []
- for ext, qualities in ALLOWED_QUALITIES:
- for quality in qualities:
+ for ext, qualities_ in allowed_qualities:
+ for quality in qualities_:
f = QUALITIES[quality].copy()
clip_post = {
- 'a': author,
- 'cap': 'false',
- 'cn': clip_id,
- 'course': course,
- 'lc': 'en',
- 'm': name,
- 'mt': ext,
- 'q': '%dx%d' % (f['width'], f['height']),
+ 'author': author,
+ 'includeCaptions': False,
+ 'clipIndex': int(clip_id),
+ 'courseName': course_name,
+ 'locale': 'en',
+ 'moduleName': name,
+ 'mediaType': ext,
+ 'quality': '%dx%d' % (f['width'], f['height']),
}
- request = compat_urllib_request.Request(
- 'http://www.pluralsight.com/training/Player/ViewClip',
- json.dumps(clip_post).encode('utf-8'))
- request.add_header('Content-Type', 'application/json;charset=utf-8')
format_id = '%s-%s' % (ext, quality)
- clip_url = self._download_webpage(
- request, display_id, 'Downloading %s URL' % format_id, fatal=False)
- if not clip_url:
+ viewclip = self._download_json(
+ '%s/video/clips/viewclip' % self._API_BASE, display_id,
+ 'Downloading %s viewclip JSON' % format_id, fatal=False,
+ data=json.dumps(clip_post).encode('utf-8'),
+ headers={'Content-Type': 'application/json;charset=utf-8'})
+
+ # Pluralsight tracks multiple sequential calls to ViewClip API and start
+ # to return 429 HTTP errors after some time (see
+ # https://github.com/rg3/youtube-dl/pull/6989). Moreover it may even lead
+ # to account ban (see https://github.com/rg3/youtube-dl/issues/6842).
+ # To somewhat reduce the probability of these consequences
+ # we will sleep random amount of time before each call to ViewClip.
+ self._sleep(
+ random.randint(2, 5), display_id,
+ '%(video_id)s: Waiting for %(timeout)s seconds to avoid throttling')
+
+ if not viewclip:
continue
- f.update({
- 'url': clip_url,
- 'ext': ext,
- 'format_id': format_id,
- })
- formats.append(f)
+
+ clip_urls = viewclip.get('urls')
+ if not isinstance(clip_urls, list):
+ continue
+
+ for clip_url_data in clip_urls:
+ clip_url = clip_url_data.get('url')
+ if not clip_url:
+ continue
+ cdn = clip_url_data.get('cdn')
+ clip_f = f.copy()
+ clip_f.update({
+ 'url': clip_url,
+ 'ext': ext,
+ 'format_id': '%s-%s' % (format_id, cdn) if cdn else format_id,
+ 'quality': quality_key(quality),
+ 'source_preference': int_or_none(clip_url_data.get('rank')),
+ })
+ formats.append(clip_f)
+
self._sort_formats(formats)
- # TODO: captions
- # http://www.pluralsight.com/training/Player/ViewClip + cap = true
- # or
- # http://www.pluralsight.com/training/Player/Captions
- # { a = author, cn = clip_id, lc = end, m = name }
+ duration = int_or_none(
+ clip.get('duration')) or parse_duration(clip.get('formattedDuration'))
+
+ # TODO: other languages?
+ subtitles = self.extract_subtitles(
+ author, clip_id, 'en', name, duration, display_id)
return {
- 'id': clip['clipName'],
- 'title': '%s - %s' % (module['title'], clip['title']),
- 'duration': int_or_none(clip.get('duration')) or parse_duration(clip.get('formattedDuration')),
+ 'id': clip.get('clipName') or clip['name'],
+ 'title': title,
+ 'duration': duration,
'creator': author,
- 'formats': formats
+ 'formats': formats,
+ 'subtitles': subtitles,
}
-class PluralsightCourseIE(InfoExtractor):
+class PluralsightCourseIE(PluralsightBaseIE):
IE_NAME = 'pluralsight:course'
- _VALID_URL = r'https?://(?:www\.)?pluralsight\.com/courses/(?P<id>[^/]+)'
- _TEST = {
+ _VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:library/)?courses/(?P<id>[^/]+)'
+ _TESTS = [{
# Free course from Pluralsight Starter Subscription for Microsoft TechNet
# https://offers.pluralsight.com/technet?loc=zTS3z&prod=zOTprodz&tech=zOttechz&prog=zOTprogz&type=zSOz&media=zOTmediaz&country=zUSz
'url': 'http://www.pluralsight.com/courses/hosting-sql-server-windows-azure-iaas',
'description': 'md5:61b37e60f21c4b2f91dc621a977d0986',
},
'playlist_count': 31,
- }
+ }, {
+ # available without pluralsight account
+ 'url': 'https://www.pluralsight.com/courses/angularjs-get-started',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://app.pluralsight.com/library/courses/understanding-microsoft-azure-amazon-aws/table-of-contents',
+ 'only_matching': True,
+ }]
def _real_extract(self, url):
course_id = self._match_id(url)
# TODO: PSM cookie
course = self._download_json(
- 'http://www.pluralsight.com/data/course/%s' % course_id,
+ '%s/data/course/%s' % (self._API_BASE, course_id),
course_id, 'Downloading course JSON')
title = course['title']
description = course.get('description') or course.get('shortDescription')
course_data = self._download_json(
- 'http://www.pluralsight.com/data/course/content/%s' % course_id,
+ '%s/data/course/content/%s' % (self._API_BASE, course_id),
course_id, 'Downloading course data JSON')
entries = []
- for module in course_data:
+ for num, module in enumerate(course_data, 1):
for clip in module.get('clips', []):
player_parameters = clip.get('playerParameters')
if not player_parameters:
continue
- entries.append(self.url_result(
- 'http://www.pluralsight.com/training/player?%s' % player_parameters,
- 'Pluralsight'))
+ entries.append({
+ '_type': 'url_transparent',
+ 'url': '%s/training/player?%s' % (self._API_BASE, player_parameters),
+ 'ie_key': PluralsightIE.ie_key(),
+ 'chapter': module.get('title'),
+ 'chapter_number': num,
+ 'chapter_id': module.get('moduleRef'),
+ })
return self.playlist_result(entries, course_id, title, description)
Rapsys Git / youtubedl / blobdiff