1 files changed, 158 insertions, 0 deletions
diff --git a/yt_dlp/extractor/camdemy.py b/yt_dlp/extractor/camdemy.py
new file mode 100644
index 0000000..c7079e4
--- /dev/null
+++ b/yt_dlp/extractor/camdemy.py
@@ -0,0 +1,158 @@
+import re
+
+from .common import InfoExtractor
+from ..compat import (
+    compat_urllib_parse_urlencode,
+    compat_urlparse,
+)
+from ..utils import (
+    clean_html,
+    parse_duration,
+    str_to_int,
+    unified_strdate,
+)
+
+
+class CamdemyIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?camdemy\.com/media/(?P<id>\d+)'
+    _TESTS = [{
+        # single file
+        'url': 'http://www.camdemy.com/media/5181/',
+        'md5': '5a5562b6a98b37873119102e052e311b',
+        'info_dict': {
+            'id': '5181',
+            'ext': 'mp4',
+            'title': 'Ch1-1 Introduction, Signals (02-23-2012)',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'creator': 'ss11spring',
+            'duration': 1591,
+            'upload_date': '20130114',
+            'view_count': int,
+        }
+    }, {
+        # With non-empty description
+        # webpage returns "No permission or not login"
+        'url': 'http://www.camdemy.com/media/13885',
+        'md5': '4576a3bb2581f86c61044822adbd1249',
+        'info_dict': {
+            'id': '13885',
+            'ext': 'mp4',
+            'title': 'EverCam + Camdemy QuickStart',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'description': 'md5:2a9f989c2b153a2342acee579c6e7db6',
+            'creator': 'evercam',
+            'duration': 318,
+        }
+    }, {
+        # External source (YouTube)
+        'url': 'http://www.camdemy.com/media/14842',
+        'info_dict': {
+            'id': '2vsYQzNIsJo',
+            'ext': 'mp4',
+            'title': 'Excel 2013 Tutorial - How to add Password Protection',
+            'description': 'Excel 2013 Tutorial for Beginners - How to add Password Protection',
+            'upload_date': '20130211',
+            'uploader': 'Hun Kim',
+            'uploader_id': 'hunkimtutorials',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, video_id)
+
+        src_from = self._html_search_regex(
+            r"class=['\"]srcFrom['\"][^>]*>Sources?(?:\s+from)?\s*:\s*<a[^>]+(?:href|title)=(['\"])(?P<url>(?:(?!\1).)+)\1",
+            webpage, 'external source', default=None, group='url')
+        if src_from:
+            return self.url_result(src_from)
+
+        oembed_obj = self._download_json(
+            'http://www.camdemy.com/oembed/?format=json&url=' + url, video_id)
+
+        title = oembed_obj['title']
+        thumb_url = oembed_obj['thumbnail_url']
+        video_folder = compat_urlparse.urljoin(thumb_url, 'video/')
+        file_list_doc = self._download_xml(
+            compat_urlparse.urljoin(video_folder, 'fileList.xml'),
+            video_id, 'Downloading filelist XML')
+        file_name = file_list_doc.find('./video/item/fileName').text
+        video_url = compat_urlparse.urljoin(video_folder, file_name)
+
+        # Some URLs return "No permission or not login" in a webpage despite being
+        # freely available via oembed JSON URL (e.g. http://www.camdemy.com/media/13885)
+        upload_date = unified_strdate(self._search_regex(
+            r'>published on ([^<]+)<', webpage,
+            'upload date', default=None))
+        view_count = str_to_int(self._search_regex(
+            r'role=["\']viewCnt["\'][^>]*>([\d,.]+) views',
+            webpage, 'view count', default=None))
+        description = self._html_search_meta(
+            'description', webpage, default=None) or clean_html(
+            oembed_obj.get('description'))
+
+        return {
+            'id': video_id,
+            'url': video_url,
+            'title': title,
+            'thumbnail': thumb_url,
+            'description': description,
+            'creator': oembed_obj.get('author_name'),
+            'duration': parse_duration(oembed_obj.get('duration')),
+            'upload_date': upload_date,
+            'view_count': view_count,
+        }
+
+
+class CamdemyFolderIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?camdemy\.com/folder/(?P<id>\d+)'
+    _TESTS = [{
+        # links with trailing slash
+        'url': 'http://www.camdemy.com/folder/450',
+        'info_dict': {
+            'id': '450',
+            'title': '信號與系統 2012 & 2011 (Signals and Systems)',
+        },
+        'playlist_mincount': 145
+    }, {
+        # links without trailing slash
+        # and multi-page
+        'url': 'http://www.camdemy.com/folder/853',
+        'info_dict': {
+            'id': '853',
+            'title': '科學計算 - 使用 Matlab'
+        },
+        'playlist_mincount': 20
+    }, {
+        # with displayMode parameter. For testing the codes to add parameters
+        'url': 'http://www.camdemy.com/folder/853/?displayMode=defaultOrderByOrg',
+        'info_dict': {
+            'id': '853',
+            'title': '科學計算 - 使用 Matlab'
+        },
+        'playlist_mincount': 20
+    }]
+
+    def _real_extract(self, url):
+        folder_id = self._match_id(url)
+
+        # Add displayMode=list so that all links are displayed in a single page
+        parsed_url = list(compat_urlparse.urlparse(url))
+        query = dict(compat_urlparse.parse_qsl(parsed_url[4]))
+        query.update({'displayMode': 'list'})
+        parsed_url[4] = compat_urllib_parse_urlencode(query)
+        final_url = compat_urlparse.urlunparse(parsed_url)
+
+        page = self._download_webpage(final_url, folder_id)
+        matches = re.findall(r"href='(/media/\d+/?)'", page)
+
+        entries = [self.url_result('http://www.camdemy.com' + media_path)
+                   for media_path in matches]
+
+        folder_title = self._html_search_meta('keywords', page)
+
+        return self.playlist_result(entries, folder_id, folder_title)