From 327dd732ce2b7df001b0a052e3464c85f0c85128 Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@cheimes.de>
Date: Tue, 22 Oct 2013 15:05:23 +0200
Subject: [PATCH] Issue #18742: Expose the internal hash type object for ABCs.

---
 Modules/_hashopenssl.c     |  4 +---
 Modules/_sha3/sha3module.c | 10 +++++++++-
 Modules/md5module.c        | 11 ++++++++++-
 Modules/sha1module.c       | 11 ++++++++++-
 Modules/sha256module.c     | 14 +++++++++++++-
 Modules/sha512module.c     | 13 ++++++++++++-
 6 files changed, 55 insertions(+), 8 deletions(-)

diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
index 222e5efe5e0..423b3b3a476 100644
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -872,10 +872,8 @@ PyInit__hashlib(void)
         return NULL;
     }
 
-#if HASH_OBJ_CONSTRUCTOR
-    Py_INCREF(&EVPtype);
+    Py_INCREF((PyObject *)&EVPtype);
     PyModule_AddObject(m, "HASH", (PyObject *)&EVPtype);
-#endif
 
     /* these constants are used by the convenience constructors */
     INIT_CONSTRUCTOR_CONSTANTS(md5);
diff --git a/Modules/_sha3/sha3module.c b/Modules/_sha3/sha3module.c
index 4e6352b7baf..71127d0b76c 100644
--- a/Modules/_sha3/sha3module.c
+++ b/Modules/_sha3/sha3module.c
@@ -576,10 +576,18 @@ static struct PyModuleDef _SHA3module = {
 PyMODINIT_FUNC
 PyInit__sha3(void)
 {
+    PyObject *m;
+
     Py_TYPE(&SHA3type) = &PyType_Type;
     if (PyType_Ready(&SHA3type) < 0) {
         return NULL;
     }
 
-    return PyModule_Create(&_SHA3module);
+    m = PyModule_Create(&_SHA3module);
+    if (m == NULL)
+        return NULL;
+
+    Py_INCREF((PyObject *)&SHA3type);
+    PyModule_AddObject(m, "SHA3Type", (PyObject *)&SHA3type);
+    return m;
 }
diff --git a/Modules/md5module.c b/Modules/md5module.c
index bb91b6c3698..5cb3d36c9b0 100644
--- a/Modules/md5module.c
+++ b/Modules/md5module.c
@@ -572,8 +572,17 @@ static struct PyModuleDef _md5module = {
 PyMODINIT_FUNC
 PyInit__md5(void)
 {
+    PyObject *m;
+
     Py_TYPE(&MD5type) = &PyType_Type;
     if (PyType_Ready(&MD5type) < 0)
         return NULL;
-    return PyModule_Create(&_md5module);
+
+    m = PyModule_Create(&_md5module);
+    if (m == NULL)
+        return NULL;
+
+    Py_INCREF((PyObject *)&MD5type);
+    PyModule_AddObject(m, "MD5Type", (PyObject *)&MD5type);
+    return m;
 }
diff --git a/Modules/sha1module.c b/Modules/sha1module.c
index 403194c06be..b44fe189d26 100644
--- a/Modules/sha1module.c
+++ b/Modules/sha1module.c
@@ -544,8 +544,17 @@ static struct PyModuleDef _sha1module = {
 PyMODINIT_FUNC
 PyInit__sha1(void)
 {
+    PyObject *m;
+
     Py_TYPE(&SHA1type) = &PyType_Type;
     if (PyType_Ready(&SHA1type) < 0)
         return NULL;
-    return PyModule_Create(&_sha1module);
+
+    m = PyModule_Create(&_sha1module);
+    if (m == NULL)
+        return NULL;
+
+    Py_INCREF((PyObject *)&SHA1type);
+    PyModule_AddObject(m, "SHA1Type", (PyObject *)&SHA1type);
+    return m;
 }
diff --git a/Modules/sha256module.c b/Modules/sha256module.c
index e60111ad02d..b05bfc172f5 100644
--- a/Modules/sha256module.c
+++ b/Modules/sha256module.c
@@ -706,11 +706,23 @@ static struct PyModuleDef _sha256module = {
 PyMODINIT_FUNC
 PyInit__sha256(void)
 {
+    PyObject *m;
+
     Py_TYPE(&SHA224type) = &PyType_Type;
     if (PyType_Ready(&SHA224type) < 0)
         return NULL;
     Py_TYPE(&SHA256type) = &PyType_Type;
     if (PyType_Ready(&SHA256type) < 0)
         return NULL;
-    return PyModule_Create(&_sha256module);
+
+    m = PyModule_Create(&_sha256module);
+    if (m == NULL)
+        return NULL;
+
+    Py_INCREF((PyObject *)&SHA224type);
+    PyModule_AddObject(m, "SHA224Type", (PyObject *)&SHA224type);
+    Py_INCREF((PyObject *)&SHA256type);
+    PyModule_AddObject(m, "SHA256Type", (PyObject *)&SHA256type);
+    return m;
+
 }
diff --git a/Modules/sha512module.c b/Modules/sha512module.c
index 2841eabb2bf..47c57e5c428 100644
--- a/Modules/sha512module.c
+++ b/Modules/sha512module.c
@@ -772,13 +772,24 @@ static struct PyModuleDef _sha512module = {
 PyMODINIT_FUNC
 PyInit__sha512(void)
 {
+    PyObject *m;
+
     Py_TYPE(&SHA384type) = &PyType_Type;
     if (PyType_Ready(&SHA384type) < 0)
         return NULL;
     Py_TYPE(&SHA512type) = &PyType_Type;
     if (PyType_Ready(&SHA512type) < 0)
         return NULL;
-    return PyModule_Create(&_sha512module);
+
+    m = PyModule_Create(&_sha512module);
+    if (m == NULL)
+        return NULL;
+
+    Py_INCREF((PyObject *)&SHA384type);
+    PyModule_AddObject(m, "SHA384Type", (PyObject *)&SHA384type);
+    Py_INCREF((PyObject *)&SHA512type);
+    PyModule_AddObject(m, "SHA512Type", (PyObject *)&SHA512type);
+    return m;
 }
 
 #endif