From 45cdca687c7f9ab77228a47cf5dcf34cad6ce3a3 Mon Sep 17 00:00:00 2001
From: shaileshaanand <anaandshailu@gmail.com>
Date: Thu, 12 Mar 2020 12:17:51 +0530
Subject: [PATCH] [skillshare:class] Add support for skillshare.com classes

---
 youtube_dl/extractor/extractors.py |  1 +
 youtube_dl/extractor/skillshare.py | 61 ++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 youtube_dl/extractor/skillshare.py

diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index 64d1fa251..5586c928c 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -991,6 +991,7 @@ from .shared import (
 from .showroomlive import ShowRoomLiveIE
 from .sina import SinaIE
 from .sixplay import SixPlayIE
+from .skillshare import SkillshareClassIE
 from .skylinewebcams import SkylineWebcamsIE
 from .skynewsarabia import (
     SkyNewsArabiaIE,
diff --git a/youtube_dl/extractor/skillshare.py b/youtube_dl/extractor/skillshare.py
new file mode 100644
index 000000000..c63b52ab5
--- /dev/null
+++ b/youtube_dl/extractor/skillshare.py
@@ -0,0 +1,61 @@
+# coding: utf-8
+from __future__ import unicode_literals
+import json
+from .common import InfoExtractor
+
+
+class SkillshareClassIE(InfoExtractor):
+    IE_NAME = 'skillshare:class'
+    _VALID_URL = r'https?://(?:www\.)?skillshare\.com/classes/[^/]+/(?P<id>[0-9]+)'
+    _TEST = {
+        'url': 'https://www.skillshare.com/classes/SEO-Today-Strategies-to-Earn-Trust-Rank-High-and-Stand-Out/423483018',
+        'only_matching': True,
+        'info_dict': {
+            'id': '5463396146001',
+            'ext': 'mp4',
+            'title': 'Introduction',
+            # TODO more properties, either as:
+            # * A value
+            # * MD5 checksum; start the string with md5:
+            # * A regular expression; start the string with re:
+            # * Any Python type (for example int or float)
+        }
+    }
+
+    def _real_extract(self, url):
+        search_term = r'(?P<json_line>{"userData":{.+});\n'
+        lesson_info_api_url_format = "https://www.skillshare.com/sessions/{}/video"
+        video_api_url_format = "https://edge.api.brightcove.com/playback/v1/accounts/{}/videos/{}"
+        headers = {"Accept": "application/json;pk=BCpkADawqM2OOcM6njnM7hf9EaK6lIFlqiXB0iWjqGWU    QjU7R8965xUvIQNqdQbnDTLz0IAO7E6Ir2rIbXJtFdzrGtitoee0n1XXRliD-RH9A-svuvNW    9qgo3Bh34HEZjXjG4Nml4iyz3KqF"}
+        class_id = self._match_id(url)
+        class_page = self._download_webpage(url, class_id)
+        class_json_data = json.loads(self._search_regex(search_term, class_page, 'class_json_data'))
+        account_id = str(class_json_data.get('pageData').get('videoPlayerData').get('brightcoveAccountId'))
+        class_title = class_json_data.get('pageData').get('headerData').get('title')
+        lessons = class_json_data.get('pageData').get('videoPlayerData').get('units')[0].get('sessions')
+        videos = []
+        for lesson in lessons:
+            lesson_id = str(lesson.get('id'))
+            lesson_info_api_url = lesson_info_api_url_format.format(lesson_id)
+            lesson_info_api_response = self._download_json(lesson_info_api_url, lesson_id)
+            print(lesson_info_api_response)
+            if 'video_hashed_id' not in lesson_info_api_response:
+                break
+            video_hashed_id = lesson_info_api_response.get('video_hashed_id')[3:]
+            video_api_url = video_api_url_format.format(account_id, video_hashed_id)
+            video_api_response = self._download_json(video_api_url, video_hashed_id, headers=headers)
+            lesson_title = lesson.get('title')
+            lesson_url = video_api_response.get('sources')[-1].get('src')
+            video = {
+                'id': video_hashed_id,
+                'title': lesson_title,
+                'url': lesson_url,
+                'ext': 'mp4',
+            }
+            videos.append(video)
+        return {
+            'id': class_id,
+            'title': class_title,
+            '_type': 'playlist',
+            'entries': videos
+        }