diff options
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/cobject.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/Objects/cobject.c b/Objects/cobject.c deleted file mode 100644 index a692150..0000000 --- a/Objects/cobject.c +++ /dev/null @@ -1,169 +0,0 @@ - -/* Wrap void* pointers to be passed between C modules */ - -#include "Python.h" - - -/* Declarations for objects of type PyCObject */ - -typedef void (*destructor1)(void *); -typedef void (*destructor2)(void *, void*); - - -static int deprecation_exception(void) -{ - return PyErr_WarnEx(PyExc_PendingDeprecationWarning, - "The CObject API is deprecated as of Python 3.1. " - "Please convert to using the Capsule API.", 1); -} - -PyObject * -PyCObject_FromVoidPtr(void *cobj, void (*destr)(void *)) -{ - PyCObject *self; - - if (deprecation_exception()) { - return NULL; - } - - self = PyObject_NEW(PyCObject, &PyCObject_Type); - if (self == NULL) - return NULL; - self->cobject=cobj; - self->destructor=destr; - self->desc=NULL; - - return (PyObject *)self; -} - -PyObject * -PyCObject_FromVoidPtrAndDesc(void *cobj, void *desc, - void (*destr)(void *, void *)) -{ - PyCObject *self; - - if (deprecation_exception()) { - return NULL; - } - - if (!desc) { - PyErr_SetString(PyExc_TypeError, - "PyCObject_FromVoidPtrAndDesc called with null" - " description"); - return NULL; - } - self = PyObject_NEW(PyCObject, &PyCObject_Type); - if (self == NULL) - return NULL; - self->cobject = cobj; - self->destructor = (destructor1)destr; - self->desc = desc; - - return (PyObject *)self; -} - -void * -PyCObject_AsVoidPtr(PyObject *self) -{ - if (self) { - if (self->ob_type == &PyCObject_Type) - return ((PyCObject *)self)->cobject; - PyErr_SetString(PyExc_TypeError, - "PyCObject_AsVoidPtr with non-C-object"); - } - if (!PyErr_Occurred()) - PyErr_SetString(PyExc_TypeError, - "PyCObject_AsVoidPtr called with null pointer"); - return NULL; -} - -void * -PyCObject_GetDesc(PyObject *self) -{ - if (self) { - if (self->ob_type == &PyCObject_Type) - return ((PyCObject *)self)->desc; - PyErr_SetString(PyExc_TypeError, - "PyCObject_GetDesc with non-C-object"); - } - if (!PyErr_Occurred()) - PyErr_SetString(PyExc_TypeError, - "PyCObject_GetDesc called with null pointer"); - return NULL; -} - -void * -PyCObject_Import(char *module_name, char *name) -{ - PyObject *m, *c; - void *r = NULL; - - if ((m = PyImport_ImportModule(module_name))) { - if ((c = PyObject_GetAttrString(m,name))) { - r = PyCObject_AsVoidPtr(c); - Py_DECREF(c); - } - Py_DECREF(m); - } - return r; -} - -int -PyCObject_SetVoidPtr(PyObject *self, void *cobj) -{ - PyCObject* cself = (PyCObject*)self; - if (cself == NULL || !PyCObject_Check(cself) || - cself->destructor != NULL) { - PyErr_SetString(PyExc_TypeError, - "Invalid call to PyCObject_SetVoidPtr"); - return 0; - } - cself->cobject = cobj; - return 1; -} - -static void -PyCObject_dealloc(PyCObject *self) -{ - if (self->destructor) { - if(self->desc) - ((destructor2)(self->destructor))(self->cobject, self->desc); - else - (self->destructor)(self->cobject); - } - PyObject_DEL(self); -} - - -PyDoc_STRVAR(PyCObject_Type__doc__, -"C objects to be exported from one extension module to another\n\ -\n\ -C objects are used for communication between extension modules. They\n\ -provide a way for an extension module to export a C interface to other\n\ -extension modules, so that extension modules can use the Python import\n\ -mechanism to link to one another."); - -PyTypeObject PyCObject_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "PyCObject", /*tp_name*/ - sizeof(PyCObject), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)PyCObject_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_reserved*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - 0, /*tp_flags*/ - PyCObject_Type__doc__ /*tp_doc*/ -}; |