commit 483fc223bb1509d11ac1843a5852f75c0aec3475
parent 66ce97024d0de7836777562a6eb60603796636d5
Author: Sergey M․ <dstftw@gmail.com>
Date: Sun, 23 Aug 2015 10:42:34 +0600
[pluralsight] Add extractor (Closes #6090)
Diffstat:
2 files changed, 222 insertions(+), 0 deletions(-)
diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
@@ -454,6 +454,10 @@ from .playfm import PlayFMIE
from .playtvak import PlaytvakIE
from .playvid import PlayvidIE
from .playwire import PlaywireIE
+from .pluralsight import (
+ PluralsightIE,
+ PluralsightCourseIE,
+)
from .podomatic import PodomaticIE
from .porn91 import Porn91IE
from .pornhd import PornHdIE
diff --git a/youtube_dl/extractor/pluralsight.py b/youtube_dl/extractor/pluralsight.py
@@ -0,0 +1,218 @@
+from __future__ import unicode_literals
+
+import re
+import json
+
+from .common import InfoExtractor
+from ..compat import (
+ compat_str,
+ compat_urllib_parse,
+ compat_urllib_request,
+ compat_urlparse,
+)
+from ..utils import (
+ ExtractorError,
+ int_or_none,
+ parse_duration,
+)
+
+
+class PluralsightIE(InfoExtractor):
+ 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/'
+ _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
+ _NETRC_MACHINE = 'pluralsight'
+
+ _TEST = {
+ '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': {
+ 'id': 'hosting-sql-server-windows-azure-iaas-m7-mgmt-04',
+ 'ext': 'mp4',
+ 'title': 'Management of SQL Server - Demo Monitoring',
+ 'duration': 338,
+ },
+ 'skip': 'Requires pluralsight account credentials',
+ }
+
+ def _real_initialize(self):
+ self._login()
+
+ def _login(self):
+ (username, password) = self._get_login_info()
+ if username is None:
+ raise ExtractorError(
+ 'Pluralsight account is required, use --username and --password options to provide account credentials.',
+ expected=True)
+
+ 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'),
+ })
+
+ post_url = self._search_regex(
+ r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
+ 'post url', default=self._LOGIN_URL, group='url')
+
+ 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)
+
+ error = self._search_regex(
+ r'<span[^>]+class="field-validation-error"[^>]*>([^<]+)</span>',
+ response, 'error message', default=None)
+ if error:
+ raise ExtractorError('Unable to login: %s' % error, expected=True)
+
+ 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')
+
+ display_id = '%s-%s' % (name, clip_id)
+
+ webpage = self._download_webpage(url, display_id)
+
+ collection = self._parse_json(
+ self._search_regex(
+ r'moduleCollection\s*:\s*new\s+ModuleCollection\((\[.+?\])\s*,\s*\$rootScope\)',
+ webpage, 'modules'),
+ display_id)
+
+ module, clip = None, None
+
+ for module_ in collection:
+ if module_.get('moduleName') == name:
+ module = module_
+ for clip_ in module_.get('clips', []):
+ clip_index = clip_.get('clipIndex')
+ if clip_index is None:
+ continue
+ if compat_str(clip_index) == clip_id:
+ clip = clip_
+ break
+
+ if not clip:
+ raise ExtractorError('Unable to resolve clip')
+
+ QUALITIES = {
+ 'low': {'width': 640, 'height': 480},
+ 'medium': {'width': 848, 'height': 640},
+ 'high': {'width': 1024, 'height': 768},
+ }
+
+ ALLOWED_QUALITIES = (
+ ('webm', ('high',)),
+ ('mp4', ('low', 'medium', 'high',)),
+ )
+
+ formats = []
+ 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']),
+ }
+ 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:
+ continue
+ f.update({
+ 'url': clip_url,
+ 'ext': ext,
+ 'format_id': format_id,
+ })
+ formats.append(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 }
+
+ return {
+ 'id': clip['clipName'],
+ 'title': '%s - %s' % (module['title'], clip['title']),
+ 'duration': int_or_none(clip.get('duration')) or parse_duration(clip.get('formattedDuration')),
+ 'creator': author,
+ 'formats': formats
+ }
+
+
+class PluralsightCourseIE(InfoExtractor):
+ IE_NAME = 'pluralsight:course'
+ _VALID_URL = r'https?://(?:www\.)?pluralsight\.com/courses/(?P<id>[^/]+)'
+ _TEST = {
+ # 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',
+ 'info_dict': {
+ 'id': 'hosting-sql-server-windows-azure-iaas',
+ 'title': 'Hosting SQL Server in Microsoft Azure IaaS Fundamentals',
+ 'description': 'md5:61b37e60f21c4b2f91dc621a977d0986',
+ },
+ 'playlist_count': 31,
+ }
+
+ def _real_extract(self, url):
+ course_id = self._match_id(url)
+
+ course = self._download_json(
+ 'http://www.pluralsight.com/data/course/%s' % 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,
+ course_id, 'Downloading course data JSON')
+
+ may_not_view = 0
+
+ entries = []
+ for module in course_data:
+ for clip in module.get('clips', []):
+ if clip.get('userMayViewClip') is False:
+ may_not_view += 1
+ continue
+ 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'))
+
+ if may_not_view > 0:
+ self._downloader.report_warning(
+ 'There are %d videos in this course that are not available for you. '
+ 'Upgrade your account to get access to these videos.' % may_not_view)
+
+ return self.playlist_result(entries, course_id, title, description)
