added if to take only 'ftp-stud'

uitwww/download.py

@@ -130,13 +130,15 @@ class Downloads:
                             md5s[name] = hash
                         files_content[path] = md5s
 
-                    # Add the MD5 to the result if it was found
-                    if file in files_content[path]:
-                        key = "%s:%s:%s" % (distro, release, arch)
-                        result[key] = files_content[path][file]
-                    else:
-                        print(files_content[path])
-                        raise RuntimeError("Missing MD5 for {}".format(file))
+                    if path == 'http://ftp-stud.fht-esslingen.de/Mirrors/releases.ubuntu.com/focal':
+
+                        # Add the MD5 to the result if it was found
+                        if file in files_content[path]:
+                            key = "%s:%s:%s" % (distro, release, arch)
+                            result[key] = files_content[path][file]
+                        else:
+                            print(files_content[path])
+                            raise RuntimeError("Missing MD5 for {}".format(file))
 
         return result