+# coding: utf-8
+from __future__ import unicode_literals
+
+import datetime
+import re
+
+from .common import InfoExtractor
+from ..compat import (
+ compat_urllib_parse,
+ compat_urlparse,
+)
+from ..utils import (
+ parse_iso8601,
+ str_to_int,
+)
+
+
+class CamdemyIE(InfoExtractor):
+ _VALID_URL = r'http://(?: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': 're:^https?://.*\.jpg$',
+ 'description': '',
+ 'creator': 'ss11spring',
+ 'upload_date': '20130114',
+ 'timestamp': 1358154556,
+ 'view_count': int,
+ }
+ }, {
+ # With non-empty description
+ 'url': 'http://www.camdemy.com/media/13885',
+ 'md5': '4576a3bb2581f86c61044822adbd1249',
+ 'info_dict': {
+ 'id': '13885',
+ 'ext': 'mp4',
+ 'title': 'EverCam + Camdemy QuickStart',
+ 'thumbnail': 're:^https?://.*\.jpg$',
+ 'description': 'md5:050b62f71ed62928f8a35f1a41e186c9',
+ 'creator': 'evercam',
+ 'upload_date': '20140620',
+ 'timestamp': 1403271569,
+ }
+ }, {
+ # External source
+ 'url': 'http://www.camdemy.com/media/14842',
+ 'md5': '50e1c3c3aa233d3d7b7daa2fa10b1cf7',
+ 'info_dict': {
+ 'id': '2vsYQzNIsJo',
+ 'ext': 'mp4',
+ 'upload_date': '20130211',
+ 'uploader': 'Hun Kim',
+ 'description': 'Excel 2013 Tutorial for Beginners - How to add Password Protection',
+ 'uploader_id': 'hunkimtutorials',
+ 'title': 'Excel 2013 Tutorial - How to add Password Protection',
+ }
+ }]
+
+ def _real_extract(self, url):
+ video_id = self._match_id(url)
+ page = self._download_webpage(url, video_id)
+
+ src_from = self._html_search_regex(
+ r"<div class='srcFrom'>Source: <a title='([^']+)'", page,
+ 'external source', default=None)
+ 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)
+
+ 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, 'Filelist XML')
+ file_name = file_list_doc.find('./video/item/fileName').text
+ video_url = compat_urlparse.urljoin(video_folder, file_name)
+
+ timestamp = parse_iso8601(self._html_search_regex(
+ r"<div class='title'>Posted\s*:</div>\s*<div class='value'>([^<>]+)<",
+ page, 'creation time', fatal=False),
+ delimiter=' ', timezone=datetime.timedelta(hours=8))
+ view_count = str_to_int(self._html_search_regex(
+ r"<div class='title'>Views\s*:</div>\s*<div class='value'>([^<>]+)<",
+ page, 'view count', fatal=False))
+
+ return {
+ 'id': video_id,
+ 'url': video_url,
+ 'title': oembed_obj['title'],
+ 'thumbnail': thumb_url,
+ 'description': self._html_search_meta('description', page),
+ 'creator': oembed_obj['author_name'],
+ 'duration': oembed_obj['duration'],
+ 'timestamp': timestamp,
+ 'view_count': view_count,
+ }
+
+
+class CamdemyFolderIE(InfoExtractor):
+ _VALID_URL = r'http://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)