Made Lecturio poll the german API if a german URL is given

Formatting fixes

yt_dlp/extractor/lecturio.py

@@ -16,16 +16,27 @@ from ..utils import (
 
 class LecturioBaseIE(InfoExtractor):
     _API_BASE_URL = 'https://app.lecturio.com/api/en/latest/html5/'
+    _DE_API_BASE_URL = 'https://lecturio.de/api/de/latest/html5/'
     _LOGIN_URL = 'https://app.lecturio.com/en/login'
+    _DE_LOGIN_URL = 'https://www.lecturio.de/anmelden.html'
     _NETRC_MACHINE = 'lecturio'
 
+    is_DE = None
+
+    # Find out if url is german before starting anything else
+    def extract(self, url):
+        self.is_DE = True if re.match(r"https://(?:www\.)?lecturio\.de/", url) else False
+        return super().extract(url)
+
     def _perform_login(self, username, password):
+
+        login_url = self._DE_LOGIN_URL if self.is_DE else self._LOGIN_URL
         # Sets some cookies
         _, urlh = self._download_webpage_handle(
-            self._LOGIN_URL, None, 'Downloading login popup')
+            login_url, None, 'Downloading login popup')
 
         def is_logged(url_handle):
-            return self._LOGIN_URL not in url_handle.geturl()
+            return login_url not in url_handle.geturl()
 
         # Already logged in
         if is_logged(urlh):
@@ -38,7 +49,7 @@ class LecturioBaseIE(InfoExtractor):
         }
 
         response, urlh = self._download_webpage_handle(
-            self._LOGIN_URL, None, 'Logging in',
+            login_url, None, 'Logging in',
             data=urlencode_postdata(login_form))
 
         # Logged in successfully
@@ -98,8 +109,9 @@ class LecturioIE(LecturioBaseIE):
         lecture_id = mobj.group('id')
         display_id = nt or lecture_id
         api_path = 'lectures/' + lecture_id if lecture_id else 'lecture/' + nt + '.json'
+
         video = self._download_json(
-            self._API_BASE_URL + api_path, display_id)
+            (self._DE_API_BASE_URL if self.is_DE else self._API_BASE_URL) + api_path, display_id)
         title = video['title'].strip()
         if not lecture_id:
             pid = video.get('productId') or video.get('uid')