Update proxy

resources/lib/b64.py

@@ -0,0 +1,21 @@
+# encoding: utf-8
+#
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+from __future__ import unicode_literals, absolute_import, division
+
+import base64
+import sys
+
+if sys.version_info[0] >= 3:
+    unicode = str
+
+def encode_base64(data):
+    if isinstance(data, unicode):
+        data = data.encode("utf-8")
+    return base64.b64encode(data).decode("utf-8")
+
+def decode_base64(data):
+    if isinstance(data, unicode):
+        data = data.encode("utf-8")
+    return base64.b64decode(data).decode("utf-8")