--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CircuitPython/btree.py	Thu Aug 29 19:05:05 2019 +0200
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module containing stubs for API generation of the def 'btree' module.
+"""
+
+INCL = 1
+DESC = 2
+
+def open(stream, *, flags=0, pagesize=0, cachesize=0, minkeypage=0):
+    pass
+
+class BTree():
+    def close(self):
+        pass
+    
+    def flush(self):
+        pass
+    
+    def get(self, key, default=None):
+        pass
+    
+    def keys(self, start_key=None, end_key=None, flags=0):
+        pass
+    
+    def values(self, start_key=None, end_key=None, flags=0):
+        pass
+    
+    def items(self, start_key=None, end_key=None, flags=0):
+        pass