From 27fe903c511691c078942bef5ee9a05a43b15c8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs?= <heckyel@hyperbola.info>
Date: Wed, 9 Jun 2021 17:54:27 -0500
Subject: initial

---
 hypervideo_dl/extractor/academicearth.py | 41 ++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 hypervideo_dl/extractor/academicearth.py

(limited to 'hypervideo_dl/extractor/academicearth.py')

diff --git a/hypervideo_dl/extractor/academicearth.py b/hypervideo_dl/extractor/academicearth.py
new file mode 100644
index 0000000..3409550
--- /dev/null
+++ b/hypervideo_dl/extractor/academicearth.py
@@ -0,0 +1,41 @@
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+
+
+class AcademicEarthCourseIE(InfoExtractor):
+    _VALID_URL = r'^https?://(?:www\.)?academicearth\.org/playlists/(?P<id>[^?#/]+)'
+    IE_NAME = 'AcademicEarth:Course'
+    _TEST = {
+        'url': 'http://academicearth.org/playlists/laws-of-nature/',
+        'info_dict': {
+            'id': 'laws-of-nature',
+            'title': 'Laws of Nature',
+            'description': 'Introduce yourself to the laws of nature with these free online college lectures from Yale, Harvard, and MIT.',
+        },
+        'playlist_count': 3,
+    }
+
+    def _real_extract(self, url):
+        playlist_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, playlist_id)
+        title = self._html_search_regex(
+            r'<h1 class="playlist-name"[^>]*?>(.*?)</h1>', webpage, 'title')
+        description = self._html_search_regex(
+            r'<p class="excerpt"[^>]*?>(.*?)</p>',
+            webpage, 'description', fatal=False)
+        urls = re.findall(
+            r'<li class="lecture-preview">\s*?<a target="_blank" href="([^"]+)">',
+            webpage)
+        entries = [self.url_result(u) for u in urls]
+
+        return {
+            '_type': 'playlist',
+            'id': playlist_id,
+            'title': title,
+            'description': description,
+            'entries': entries,
+        }
-- 
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