Changeset d04ac05 in sasview for src/sas/sascalc/file_converter/c_ext/bsl_loader.c

Timestamp:

Sep 23, 2017 1:47:05 AM (7 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, magnetic_scatt, release-4.2.2, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

9e308a3

Parents:

7b50f14

Message:

add python 3 support for C modules

File:

• src/sas/sascalc/file_converter/c_ext/bsl_loader.c (modified) (4 diffs)

src/sas/sascalc/file_converter/c_ext/bsl_loader.c

@@ -1 +1 @@
 #include <Python.h>
-//#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
+#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
 #include <numpy/arrayobject.h>
 #include <stdio.h>
@@ -44 +44 @@
 static void CLoader_dealloc(CLoader *self) {
     free(self->params.filename);
-    self->ob_type->tp_free((PyObject *)self);
+    Py_TYPE(self)->tp_free((PyObject *)self);
 }
 
@@ -237 +237 @@
 
 static PyTypeObject CLoaderType = {
-    PyObject_HEAD_INIT(NULL)
-    0,                         /*ob_size*/
+    //PyObject_HEAD_INIT(NULL)
+    //0,                         /*ob_size*/
+    PyVarObject_HEAD_INIT(NULL, 0)
     "CLoader",             /*tp_name*/
     sizeof(CLoader),             /*tp_basicsize*/
@@ -278 +279 @@
 };
 
-PyMODINIT_FUNC
-initbsl_loader(void)
-{
-    PyObject *module;
-    module = Py_InitModule("bsl_loader", NULL);
-    import_array();
-
+static PyMethodDef module_methods[] = {
+    {NULL}
+};
+
+/**
+ * Function used to add the model class to a module
+ * @param module: module to add the class to
+ */
+void addCLoader(PyObject *module) {
     if (PyType_Ready(&CLoaderType) < 0)
         return;
 
     Py_INCREF(&CLoaderType);
-    PyModule_AddObject(module, "CLoader", (PyObject *)&CLoaderType);
-}
+    PyModule_AddObject(module, "bsl_loader", (PyObject *)&CLoaderType);
+}
+
+
+#define MODULE_DOC "C module for loading bsl."
+#define MODULE_NAME "bsl_loader"
+#define MODULE_INIT2 initbsl_loader
+#define MODULE_INIT3 PyInit_bsl_loader
+#define MODULE_METHODS module_methods
+
+/* ==== boilerplate python 2/3 interface bootstrap ==== */
+
+
+#if defined(WIN32) && !defined(__MINGW32__)
+    #define DLL_EXPORT __declspec(dllexport)
+#else
+    #define DLL_EXPORT
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+
+  DLL_EXPORT PyMODINIT_FUNC MODULE_INIT3(void)
+  {
+    static struct PyModuleDef moduledef = {
+      PyModuleDef_HEAD_INIT,
+      MODULE_NAME,         /* m_name */
+      MODULE_DOC,          /* m_doc */
+      -1,                  /* m_size */
+      MODULE_METHODS,      /* m_methods */
+      NULL,                /* m_reload */
+      NULL,                /* m_traverse */
+      NULL,                /* m_clear */
+      NULL,                /* m_free */
+    };
+        PyObject* m = PyModule_Create(&moduledef);
+        addCLoader(m);
+        return m;
+  }
+
+#else /* !PY_MAJOR_VERSION >= 3 */
+
+  DLL_EXPORT PyMODINIT_FUNC MODULE_INIT2(void)
+  {
+    PyObject* m = Py_InitModule4(MODULE_NAME,
+                 MODULE_METHODS,
+                 MODULE_DOC,
+                 0,
+                 PYTHON_API_VERSION
+                 );
+        addCLoader(m);
+  }
+
+#endif /* !PY_MAJOR_VERSION >= 3 */