diff --git a/lib/py/src/Thrift.py b/lib/py/src/Thrift.py
index 81689b7..7261890 100644
--- a/lib/py/src/Thrift.py
+++ b/lib/py/src/Thrift.py
@@ -1,3 +1,27 @@
+class TType:
+  STOP   = 0
+  VOID   = 1
+  BOOL   = 2
+  BYTE   = 3
+  I08    = 3
+  DOUBLE = 4
+  I16    = 6
+  I32    = 8
+  I64    = 10
+  STRING = 11
+  UTF7   = 11
+  STRUCT = 12
+  MAP    = 13
+  SET    = 14
+  LIST   = 15
+  UTF8   = 16
+  UTF16  = 17
+
+class TMessageType:
+  CALL  = 1
+  REPLY = 2
+  EXCEPTION = 3
+
 class TProcessor:
 
   """Base class for procsessor, which works on two streams."""