+ def _extract_camtasia(self, url, video_id, webpage):
+ """ Returns None if no camtasia video can be found. """
+
+ camtasia_cfg = self._search_regex(
+ r'fo\.addVariable\(\s*"csConfigFile",\s*"([^"]+)"\s*\);',
+ webpage, 'camtasia configuration file', default=None)
+ if camtasia_cfg is None:
+ return None
+
+ title = self._html_search_meta('DC.title', webpage, fatal=True)
+
+ camtasia_url = compat_urlparse.urljoin(url, camtasia_cfg)
+ camtasia_cfg = self._download_xml(
+ camtasia_url, video_id,
+ note='Downloading camtasia configuration',
+ errnote='Failed to download camtasia configuration')
+ fileset_node = camtasia_cfg.find('./playlist/array/fileset')
+
+ entries = []
+ for n in fileset_node.getchildren():
+ url_n = n.find('./uri')
+ if url_n is None:
+ continue
+
+ entries.append({
+ 'id': os.path.splitext(url_n.text.rpartition('/')[2])[0],
+ 'title': '%s - %s' % (title, n.tag),
+ 'url': compat_urlparse.urljoin(url, url_n.text),
+ 'duration': float_or_none(n.find('./duration').text),
+ })
+
+ return {
+ '_type': 'playlist',
+ 'entries': entries,
+ 'title': title,
+ }
+