commit aa7e974a2a61a20e017b52a3a9ab1fb43cf8cd13
parent 9aac22c195cf41ff46a644bd027481629d0e6d06
Author: Remita Amine <remitamine@gmail.com>
Date: Mon, 29 Oct 2018 19:28:09 +0100
[linkedin:learning] Add new extractor(closes #13545)
Diffstat:
2 files changed, 179 insertions(+), 0 deletions(-)
diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
@@ -572,6 +572,10 @@ from .limelight import (
LimelightChannelListIE,
)
from .line import LineTVIE
+from .linkedin import (
+ LinkedInLearningIE,
+ LinkedInLearningCourseIE,
+)
from .litv import LiTVIE
from .liveleak import (
LiveLeakIE,
diff --git a/youtube_dl/extractor/linkedin.py b/youtube_dl/extractor/linkedin.py
@@ -0,0 +1,175 @@
+# 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,
+)
+
+
+class LinkedInLearningBaseIE(InfoExtractor):
+ _NETRC_MACHINE = 'linkedin'
+
+ 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_video_id(self, urn, course_slug, video_slug):
+ if urn:
+ mobj = re.search(r'urn:li:lyndaCourse:\d+,(\d+)', urn)
+ if mobj:
+ return mobj.group(1)
+ return '%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(
+ 'https://www.linkedin.com/uas/login?trk=learning',
+ None, 'Downloading login page')
+ action_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.get('urn'), 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 in course_data.get('chapters', []):
+ chapter_title = chapter.get('title')
+ for video in chapter.get('videos', []):
+ video_slug = video.get('slug')
+ if not video_slug:
+ continue
+ entries.append({
+ '_type': 'url',
+ 'id': self._get_video_id(video.get('urn'), course_slug, video_slug),
+ 'title': video.get('title'),
+ 'url': 'https://www.linkedin.com/learning/%s/%s' % (course_slug, video_slug),
+ 'chapter': chapter_title,
+ 'ie_key': LinkedInLearningIE.ie_key(),
+ })
+
+ return self.playlist_result(
+ entries, course_slug,
+ course_data.get('title'),
+ course_data.get('description'))
