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- # coding: utf-8
- from __future__ import unicode_literals
-
- import re
-
- from .common import InfoExtractor
- from ..utils import (
- ExtractorError,
- float_or_none,
- int_or_none,
- urlencode_postdata,
- urljoin,
- )
-
-
- class LinkedInLearningBaseIE(InfoExtractor):
- _NETRC_MACHINE = 'linkedin'
- _LOGIN_URL = 'https://www.linkedin.com/uas/login?trk=learning'
-
- def _call_api(self, course_slug, fields, video_slug=None, resolution=None):
- query = {
- 'courseSlug': course_slug,
- 'fields': fields,
- 'q': 'slugs',
- }
- sub = ''
- if video_slug:
- query.update({
- 'videoSlug': video_slug,
- 'resolution': '_%s' % resolution,
- })
- sub = ' %dp' % resolution
- api_url = 'https://www.linkedin.com/learning-api/detailedCourses'
- return self._download_json(
- api_url, video_slug, 'Downloading%s JSON metadata' % sub, headers={
- 'Csrf-Token': self._get_cookies(api_url)['JSESSIONID'].value,
- }, query=query)['elements'][0]
-
- def _get_urn_id(self, video_data):
- urn = video_data.get('urn')
- if urn:
- mobj = re.search(r'urn:li:lyndaCourse:\d+,(\d+)', urn)
- if mobj:
- return mobj.group(1)
-
- def _get_video_id(self, video_data, course_slug, video_slug):
- return self._get_urn_id(video_data) or '%s/%s' % (course_slug, video_slug)
-
- def _real_initialize(self):
- email, password = self._get_login_info()
- if email is None:
- return
-
- login_page = self._download_webpage(
- self._LOGIN_URL, None, 'Downloading login page')
- action_url = urljoin(self._LOGIN_URL, self._search_regex(
- r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page, 'post url',
- default='https://www.linkedin.com/uas/login-submit', group='url'))
- data = self._hidden_inputs(login_page)
- data.update({
- 'session_key': email,
- 'session_password': password,
- })
- login_submit_page = self._download_webpage(
- action_url, None, 'Logging in',
- data=urlencode_postdata(data))
- error = self._search_regex(
- r'<span[^>]+class="error"[^>]*>\s*(.+?)\s*</span>',
- login_submit_page, 'error', default=None)
- if error:
- raise ExtractorError(error, expected=True)
-
-
- class LinkedInLearningIE(LinkedInLearningBaseIE):
- IE_NAME = 'linkedin:learning'
- _VALID_URL = r'https?://(?:www\.)?linkedin\.com/learning/(?P<course_slug>[^/]+)/(?P<id>[^/?#]+)'
- _TEST = {
- 'url': 'https://www.linkedin.com/learning/programming-foundations-fundamentals/welcome?autoplay=true',
- 'md5': 'a1d74422ff0d5e66a792deb996693167',
- 'info_dict': {
- 'id': '90426',
- 'ext': 'mp4',
- 'title': 'Welcome',
- 'timestamp': 1430396150.82,
- 'upload_date': '20150430',
- },
- }
-
- def _real_extract(self, url):
- course_slug, video_slug = re.match(self._VALID_URL, url).groups()
-
- video_data = None
- formats = []
- for width, height in ((640, 360), (960, 540), (1280, 720)):
- video_data = self._call_api(
- course_slug, 'selectedVideo', video_slug, height)['selectedVideo']
-
- video_url_data = video_data.get('url') or {}
- progressive_url = video_url_data.get('progressiveUrl')
- if progressive_url:
- formats.append({
- 'format_id': 'progressive-%dp' % height,
- 'url': progressive_url,
- 'height': height,
- 'width': width,
- 'source_preference': 1,
- })
-
- title = video_data['title']
-
- audio_url = video_data.get('audio', {}).get('progressiveUrl')
- if audio_url:
- formats.append({
- 'abr': 64,
- 'ext': 'm4a',
- 'format_id': 'audio',
- 'url': audio_url,
- 'vcodec': 'none',
- })
-
- streaming_url = video_url_data.get('streamingUrl')
- if streaming_url:
- formats.extend(self._extract_m3u8_formats(
- streaming_url, video_slug, 'mp4',
- 'm3u8_native', m3u8_id='hls', fatal=False))
-
- self._sort_formats(formats, ('width', 'height', 'source_preference', 'tbr', 'abr'))
-
- return {
- 'id': self._get_video_id(video_data, course_slug, video_slug),
- 'title': title,
- 'formats': formats,
- 'thumbnail': video_data.get('defaultThumbnail'),
- 'timestamp': float_or_none(video_data.get('publishedOn'), 1000),
- 'duration': int_or_none(video_data.get('durationInSeconds')),
- }
-
-
- class LinkedInLearningCourseIE(LinkedInLearningBaseIE):
- IE_NAME = 'linkedin:learning:course'
- _VALID_URL = r'https?://(?:www\.)?linkedin\.com/learning/(?P<id>[^/?#]+)'
- _TEST = {
- 'url': 'https://www.linkedin.com/learning/programming-foundations-fundamentals',
- 'info_dict': {
- 'id': 'programming-foundations-fundamentals',
- 'title': 'Programming Foundations: Fundamentals',
- 'description': 'md5:76e580b017694eb89dc8e8923fff5c86',
- },
- 'playlist_mincount': 61,
- }
-
- @classmethod
- def suitable(cls, url):
- return False if LinkedInLearningIE.suitable(url) else super(LinkedInLearningCourseIE, cls).suitable(url)
-
- def _real_extract(self, url):
- course_slug = self._match_id(url)
- course_data = self._call_api(course_slug, 'chapters,description,title')
-
- entries = []
- for chapter_number, chapter in enumerate(course_data.get('chapters', []), 1):
- chapter_title = chapter.get('title')
- chapter_id = self._get_urn_id(chapter)
- for video in chapter.get('videos', []):
- video_slug = video.get('slug')
- if not video_slug:
- continue
- entries.append({
- '_type': 'url_transparent',
- 'id': self._get_video_id(video, course_slug, video_slug),
- 'title': video.get('title'),
- 'url': 'https://www.linkedin.com/learning/%s/%s' % (course_slug, video_slug),
- 'chapter': chapter_title,
- 'chapter_number': chapter_number,
- 'chapter_id': chapter_id,
- 'ie_key': LinkedInLearningIE.ie_key(),
- })
-
- return self.playlist_result(
- entries, course_slug,
- course_data.get('title'),
- course_data.get('description'))
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