From 79700b56b99fa5c8c22ddef78e6c9557ff711379 Mon Sep 17 00:00:00 2001
From: Thomas Colthurst <thomaswc@gmail.com>
Date: Tue, 3 Jul 2018 16:52:27 -0400
Subject: Update message_module.cc (#4835)

* Update message_module.cc

Add missing piece from pull request #4698:  actually initialize the new API object.

* Update message_module.cc
---
 python/google/protobuf/pyext/message_module.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/python/google/protobuf/pyext/message_module.cc b/python/google/protobuf/pyext/message_module.cc
index f5c8f295..8c933866 100644
--- a/python/google/protobuf/pyext/message_module.cc
+++ b/python/google/protobuf/pyext/message_module.cc
@@ -130,6 +130,15 @@ extern "C" {
       Py_DECREF(m);
       return INITFUNC_ERRORVAL;
     }
+    
+    // Adds the C++ API
+    if (PyObject* api =
+            PyCapsule_New(new ApiImplementation(),
+                          google::protobuf::python::PyProtoAPICapsuleName(), NULL)) {
+      PyModule_AddObject(m, "proto_API", api);
+    } else {
+      return INITFUNC_ERRORVAL;
+    }
 
 #if PY_MAJOR_VERSION >= 3
     return m;
-- 
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