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bpo-26868: Fix example usage of PyModule_AddObject. (#15725)

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* Add a note to the PyModule_AddObject docs.

* Correct example usages of PyModule_AddObject.

* Whitespace.

* Clean up wording.

* 📜🤖 Added by blurb_it.

* First code review.

* Add < 0 in the tests with PyModule_AddObject
This commit is contained in:
Brandt Bucher 2019-09-12 05:11:20 -07:00 • committed by Stéphane Wirtel
parent 967b84c913
commit 224b8aaa7e
9 changed files with 74 additions and 13 deletions
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20
Doc/extending/extending.rst
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@ -209,7 +209,7 @@ usually declare a static object variable at the beginning of your file::
static PyObject *SpamError;
and initialize it in your module's initialization function (:c:func:`PyInit_spam`)
with an exception object (leaving out the error checking for now)::
with an exception object::
PyMODINIT_FUNC
PyInit_spam(void)
@ -221,8 +221,14 @@ with an exception object (leaving out the error checking for now)::
return NULL;
SpamError = PyErr_NewException("spam.error", NULL, NULL);
Py_INCREF(SpamError);
PyModule_AddObject(m, "error", SpamError);
Py_XINCREF(SpamError);
if (PyModule_AddObject(m, "error", SpamError) < 0) {
Py_XDECREF(SpamError);
Py_CLEAR(SpamError);
Py_DECREF(m);
return NULL;
}
return m;
}
@ -1261,8 +1267,12 @@ function must take care of initializing the C API pointer array::
/* Create a Capsule containing the API pointer array's address */
c_api_object = PyCapsule_New((void *)PySpam_API, "spam._C_API", NULL);
if (c_api_object != NULL)
PyModule_AddObject(m, "_C_API", c_api_object);
if (PyModule_AddObject(m, "_C_API", c_api_object) < 0) {
Py_XDECREF(c_api_object);
Py_DECREF(m);
return NULL;
}
return m;
}