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https://github.com/ytdl-org/youtube-dl.git
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[pluralsight] Add extractor (Closes #6090)
This commit is contained in:
Sergey M․
parent
66ce97024d
commit
483fc223bb
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@ -454,6 +454,10 @@ from .playfm import PlayFMIE
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from .playtvak import PlaytvakIE
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from .playvid import PlayvidIE
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from .playwire import PlaywireIE
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from .pluralsight import (
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PluralsightIE,
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PluralsightCourseIE,
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)
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from .podomatic import PodomaticIE
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from .porn91 import Porn91IE
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from .pornhd import PornHdIE
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218
youtube_dl/extractor/pluralsight.py
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218
youtube_dl/extractor/pluralsight.py
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@ -0,0 +1,218 @@
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from __future__ import unicode_literals
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import re
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import json
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urllib_parse,
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compat_urllib_request,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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int_or_none,
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parse_duration,
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)
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class PluralsightIE(InfoExtractor):
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IE_NAME = 'pluralsight'
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_VALID_URL = r'https?://(?:www\.)?pluralsight\.com/training/player\?author=(?P<author>[^&]+)&name=(?P<name>[^&]+)(?:&mode=live)?&clip=(?P<clip>\d+)&course=(?P<course>[^&]+)'
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_LOGIN_URL = 'https://www.pluralsight.com/id/'
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_ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
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_NETRC_MACHINE = 'pluralsight'
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_TEST = {
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'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',
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'md5': '4d458cf5cf4c593788672419a8dd4cf8',
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'info_dict': {
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'id': 'hosting-sql-server-windows-azure-iaas-m7-mgmt-04',
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'ext': 'mp4',
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'title': 'Management of SQL Server - Demo Monitoring',
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'duration': 338,
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},
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'skip': 'Requires pluralsight account credentials',
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}
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def _real_initialize(self):
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self._login()
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def _login(self):
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(username, password) = self._get_login_info()
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if username is None:
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raise ExtractorError(
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'Pluralsight account is required, use --username and --password options to provide account credentials.',
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expected=True)
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login_page = self._download_webpage(
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self._LOGIN_URL, None, 'Downloading login page')
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login_form = self._hidden_inputs(login_page)
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login_form.update({
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'Username': username.encode('utf-8'),
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'Password': password.encode('utf-8'),
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})
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post_url = self._search_regex(
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r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
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'post url', default=self._LOGIN_URL, group='url')
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if not post_url.startswith('http'):
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post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
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request = compat_urllib_request.Request(
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post_url, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
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request.add_header('Content-Type', 'application/x-www-form-urlencoded')
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response = self._download_webpage(
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request, None, 'Logging in as %s' % username)
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error = self._search_regex(
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r'<span[^>]+class="field-validation-error"[^>]*>([^<]+)</span>',
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response, 'error message', default=None)
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if error:
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raise ExtractorError('Unable to login: %s' % error, expected=True)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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author = mobj.group('author')
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name = mobj.group('name')
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clip_id = mobj.group('clip')
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course = mobj.group('course')
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display_id = '%s-%s' % (name, clip_id)
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webpage = self._download_webpage(url, display_id)
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collection = self._parse_json(
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self._search_regex(
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r'moduleCollection\s*:\s*new\s+ModuleCollection\((\[.+?\])\s*,\s*\$rootScope\)',
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webpage, 'modules'),
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display_id)
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module, clip = None, None
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for module_ in collection:
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if module_.get('moduleName') == name:
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module = module_
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for clip_ in module_.get('clips', []):
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clip_index = clip_.get('clipIndex')
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if clip_index is None:
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continue
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if compat_str(clip_index) == clip_id:
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clip = clip_
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break
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if not clip:
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raise ExtractorError('Unable to resolve clip')
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QUALITIES = {
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'low': {'width': 640, 'height': 480},
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'medium': {'width': 848, 'height': 640},
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'high': {'width': 1024, 'height': 768},
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}
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ALLOWED_QUALITIES = (
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('webm', ('high',)),
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('mp4', ('low', 'medium', 'high',)),
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)
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formats = []
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for ext, qualities in ALLOWED_QUALITIES:
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for quality in qualities:
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f = QUALITIES[quality].copy()
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clip_post = {
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'a': author,
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'cap': 'false',
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'cn': clip_id,
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'course': course,
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'lc': 'en',
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'm': name,
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'mt': ext,
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'q': '%dx%d' % (f['width'], f['height']),
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}
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request = compat_urllib_request.Request(
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'http://www.pluralsight.com/training/Player/ViewClip',
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json.dumps(clip_post).encode('utf-8'))
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request.add_header('Content-Type', 'application/json;charset=utf-8')
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format_id = '%s-%s' % (ext, quality)
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clip_url = self._download_webpage(
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request, display_id, 'Downloading %s URL' % format_id, fatal=False)
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if not clip_url:
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continue
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f.update({
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'url': clip_url,
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'ext': ext,
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'format_id': format_id,
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})
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formats.append(f)
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self._sort_formats(formats)
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# TODO: captions
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# http://www.pluralsight.com/training/Player/ViewClip + cap = true
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# or
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# http://www.pluralsight.com/training/Player/Captions
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# { a = author, cn = clip_id, lc = end, m = name }
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return {
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'id': clip['clipName'],
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'title': '%s - %s' % (module['title'], clip['title']),
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'duration': int_or_none(clip.get('duration')) or parse_duration(clip.get('formattedDuration')),
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'creator': author,
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'formats': formats
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}
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class PluralsightCourseIE(InfoExtractor):
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IE_NAME = 'pluralsight:course'
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_VALID_URL = r'https?://(?:www\.)?pluralsight\.com/courses/(?P<id>[^/]+)'
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_TEST = {
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# Free course from Pluralsight Starter Subscription for Microsoft TechNet
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# https://offers.pluralsight.com/technet?loc=zTS3z&prod=zOTprodz&tech=zOttechz&prog=zOTprogz&type=zSOz&media=zOTmediaz&country=zUSz
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'url': 'http://www.pluralsight.com/courses/hosting-sql-server-windows-azure-iaas',
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'info_dict': {
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'id': 'hosting-sql-server-windows-azure-iaas',
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'title': 'Hosting SQL Server in Microsoft Azure IaaS Fundamentals',
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'description': 'md5:61b37e60f21c4b2f91dc621a977d0986',
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},
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'playlist_count': 31,
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}
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def _real_extract(self, url):
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course_id = self._match_id(url)
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course = self._download_json(
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'http://www.pluralsight.com/data/course/%s' % course_id,
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course_id, 'Downloading course JSON')
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title = course['title']
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description = course.get('description') or course.get('shortDescription')
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course_data = self._download_json(
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'http://www.pluralsight.com/data/course/content/%s' % course_id,
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course_id, 'Downloading course data JSON')
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may_not_view = 0
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entries = []
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for module in course_data:
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for clip in module.get('clips', []):
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if clip.get('userMayViewClip') is False:
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may_not_view += 1
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continue
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player_parameters = clip.get('playerParameters')
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if not player_parameters:
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continue
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entries.append(self.url_result(
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'http://www.pluralsight.com/training/player?%s' % player_parameters,
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'Pluralsight'))
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if may_not_view > 0:
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self._downloader.report_warning(
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'There are %d videos in this course that are not available for you. '
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'Upgrade your account to get access to these videos.' % may_not_view)
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return self.playlist_result(entries, course_id, title, description)
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