diff options
Diffstat (limited to 'Modules/mmapmodule.c')
| -rw-r--r-- | Modules/mmapmodule.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c index 9714ddf..de527ce 100644 --- a/Modules/mmapmodule.c +++ b/Modules/mmapmodule.c @@ -651,6 +651,31 @@ mmap_move_method(mmap_object *self, PyObject *args) } } +static PyObject * +mmap_closed_get(mmap_object *self) +{ +#ifdef MS_WINDOWS + return PyBool_FromLong(self->map_handle == NULL ? 1 : 0); +#elif defined(UNIX) + return PyBool_FromLong(self->data == NULL ? 1 : 0); +#endif +} + +static PyObject * +mmap__enter__method(mmap_object *self, PyObject *args) +{ + CHECK_VALID(NULL); + + Py_INCREF(self); + return (PyObject *)self; +} + +static PyObject * +mmap__exit__method(PyObject *self, PyObject *args) +{ + return PyObject_CallMethod(self, "close", NULL); +} + static struct PyMethodDef mmap_object_methods[] = { {"close", (PyCFunction) mmap_close_method, METH_NOARGS}, {"find", (PyCFunction) mmap_find_method, METH_VARARGS}, @@ -666,9 +691,17 @@ static struct PyMethodDef mmap_object_methods[] = { {"tell", (PyCFunction) mmap_tell_method, METH_NOARGS}, {"write", (PyCFunction) mmap_write_method, METH_VARARGS}, {"write_byte", (PyCFunction) mmap_write_byte_method, METH_VARARGS}, + {"__enter__", (PyCFunction) mmap__enter__method, METH_NOARGS}, + {"__exit__", (PyCFunction) mmap__exit__method, METH_VARARGS}, {NULL, NULL} /* sentinel */ }; +static PyGetSetDef mmap_object_getset[] = { + {"closed", (getter) mmap_closed_get, NULL, NULL}, + {NULL} +}; + + /* Functions for treating an mmap'ed file as a buffer */ static int @@ -975,7 +1008,7 @@ static PyTypeObject mmap_object_type = { 0, /* tp_iternext */ mmap_object_methods, /* tp_methods */ 0, /* tp_members */ - 0, /* tp_getset */ + mmap_object_getset, /* tp_getset */ 0, /* tp_base */ 0, /* tp_dict */ 0, /* tp_descr_get */ |