Dead code removal from _hashopenssl. (GH-11379)

HASH_OBJ_CONSTRUCTOR has always been defined as 0 since I created
hashlib in Python 2.5.  Delete all code associated with it.

Modules/_hashopenssl.c

@@ -28,10 +28,6 @@
 
 #define MUNCH_SIZE INT_MAX
 
-#ifndef HASH_OBJ_CONSTRUCTOR
-#define HASH_OBJ_CONSTRUCTOR 0
-#endif
-
 #if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
 /* OpenSSL < 1.1.0 */
 #define EVP_MD_CTX_new EVP_MD_CTX_create
@@ -345,76 +341,23 @@ EVP_repr(EVPobject *self)
     return PyUnicode_FromFormat("<%U HASH object @ %p>", self->name, self);
 }
 
-/*[clinic input]
-_hashlib.HASH.__init__ as EVP_tp_init
-
-    name as name_obj: object
-    string as data_obj: object(py_default="b''") = NULL
-
-A hash is an object used to calculate a checksum of a string of information.
-
-Methods:
-
-update() -- updates the current digest with an additional string
-digest() -- return the current digest value
-hexdigest() -- return the current digest as a string of hexadecimal digits
-copy() -- return a copy of the current hash object
-
-Attributes:
-
-name -- the hash algorithm being used by this object
-digest_size -- number of bytes in this hashes output
-[clinic start generated code]*/
-
-static int
-EVP_tp_init_impl(EVPobject *self, PyObject *name_obj, PyObject *data_obj)
-/*[clinic end generated code: output=44766d27757cf851 input=dac22658387f9b5d]*/
-{
-    Py_buffer view;
-    char *nameStr;
-    const EVP_MD *digest;
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROR(data_obj, &view, return -1);
-
-    if (!PyArg_Parse(name_obj, "s", &nameStr)) {
-        PyErr_SetString(PyExc_TypeError, "name must be a string");
-        if (data_obj)
-            PyBuffer_Release(&view);
-        return -1;
-    }
-
-    digest = EVP_get_digestbyname(nameStr);
-    if (!digest) {
-        PyErr_SetString(PyExc_ValueError, "unknown hash function");
-        if (data_obj)
-            PyBuffer_Release(&view);
-        return -1;
-    }
-    if (!EVP_DigestInit(self->ctx, digest)) {
-        _setException(PyExc_ValueError);
-        if (data_obj)
-            PyBuffer_Release(&view);
-        return -1;
-    }
-
-    Py_INCREF(name_obj);
-    Py_XSETREF(self->name, name_obj);
-
-    if (data_obj) {
-        if (view.len >= HASHLIB_GIL_MINSIZE) {
-            Py_BEGIN_ALLOW_THREADS
-            EVP_hash(self, view.buf, view.len);
-            Py_END_ALLOW_THREADS
-        } else {
-            EVP_hash(self, view.buf, view.len);
-        }
-        PyBuffer_Release(&view);
-    }
-
-    return 0;
-}
-
+PyDoc_STRVAR(hashtype_doc,
+"HASH(name, string=b\'\')\n"
+"--\n"
+"\n"
+"A hash is an object used to calculate a checksum of a string of information.\n"
+"\n"
+"Methods:\n"
+"\n"
+"update() -- updates the current digest with an additional string\n"
+"digest() -- return the current digest value\n"
+"hexdigest() -- return the current digest as a string of hexadecimal digits\n"
+"copy() -- return a copy of the current hash object\n"
+"\n"
+"Attributes:\n"
+"\n"
+"name -- the hash algorithm being used by this object\n"
+"digest_size -- number of bytes in this hashes output");
 
 static PyTypeObject EVPtype = {
     PyVarObject_HEAD_INIT(NULL, 0)
@@ -438,7 +381,7 @@ static PyTypeObject EVPtype = {
     0,                  /*tp_setattro*/
     0,                  /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
-    EVP_tp_init__doc__, /*tp_doc*/
+    hashtype_doc,       /*tp_doc*/
     0,                  /*tp_traverse*/
     0,                  /*tp_clear*/
     0,                  /*tp_richcompare*/
@@ -448,16 +391,11 @@ static PyTypeObject EVPtype = {
     EVP_methods,        /* tp_methods */
     EVP_members,        /* tp_members */
     EVP_getseters,      /* tp_getset */
-#if 1
     0,                  /* tp_base */
     0,                  /* tp_dict */
     0,                  /* tp_descr_get */
     0,                  /* tp_descr_set */
     0,                  /* tp_dictoffset */
-#endif
-#if HASH_OBJ_CONSTRUCTOR
-    (initproc)EVP_tp_init, /* tp_init */
-#endif
 };
 
 static PyObject *

Modules/clinic/_hashopenssl.c.h

@@ -65,46 +65,6 @@ PyDoc_STRVAR(EVP_update__doc__,
 #define EVP_UPDATE_METHODDEF    \
     {"update", (PyCFunction)EVP_update, METH_O, EVP_update__doc__},
 
-PyDoc_STRVAR(EVP_tp_init__doc__,
-"HASH(name, string=b\'\')\n"
-"--\n"
-"\n"
-"A hash is an object used to calculate a checksum of a string of information.\n"
-"\n"
-"Methods:\n"
-"\n"
-"update() -- updates the current digest with an additional string\n"
-"digest() -- return the current digest value\n"
-"hexdigest() -- return the current digest as a string of hexadecimal digits\n"
-"copy() -- return a copy of the current hash object\n"
-"\n"
-"Attributes:\n"
-"\n"
-"name -- the hash algorithm being used by this object\n"
-"digest_size -- number of bytes in this hashes output");
-
-static int
-EVP_tp_init_impl(EVPobject *self, PyObject *name_obj, PyObject *data_obj);
-
-static int
-EVP_tp_init(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    int return_value = -1;
-    static const char * const _keywords[] = {"name", "string", NULL};
-    static _PyArg_Parser _parser = {"O|O:HASH", _keywords, 0};
-    PyObject *name_obj;
-    PyObject *data_obj = NULL;
-
-    if (!_PyArg_ParseTupleAndKeywordsFast(args, kwargs, &_parser,
-        &name_obj, &data_obj)) {
-        goto exit;
-    }
-    return_value = EVP_tp_init_impl((EVPobject *)self, name_obj, data_obj);
-
-exit:
-    return return_value;
-}
-
 PyDoc_STRVAR(EVP_new__doc__,
 "new($module, /, name, string=b\'\')\n"
 "--\n"
@@ -292,4 +252,4 @@ exit:
 #ifndef _HASHLIB_SCRYPT_METHODDEF
     #define _HASHLIB_SCRYPT_METHODDEF
 #endif /* !defined(_HASHLIB_SCRYPT_METHODDEF) */
-/*[clinic end generated code: output=cae09468e2cdbefe input=a9049054013a1b77]*/
+/*[clinic end generated code: output=fe5931d2b301ca12 input=a9049054013a1b77]*/