diff options
Diffstat (limited to 'Doc/extending/extending.rst')
| -rw-r--r-- | Doc/extending/extending.rst | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/Doc/extending/extending.rst b/Doc/extending/extending.rst index 1d40649..c4ced1a 100644 --- a/Doc/extending/extending.rst +++ b/Doc/extending/extending.rst @@ -81,7 +81,7 @@ shortly how it ends up being called):: if (!PyArg_ParseTuple(args, "s", &command)) return NULL; sts = system(command); - return Py_BuildValue("i", sts); + return PyLong_FromLong(sts); } There is a straightforward translation from the argument list in Python (for @@ -274,12 +274,9 @@ the string we just got from :c:func:`PyArg_ParseTuple`:: sts = system(command); Our :func:`spam.system` function must return the value of :c:data:`sts` as a -Python object. This is done using the function :c:func:`Py_BuildValue`, which is -something like the inverse of :c:func:`PyArg_ParseTuple`: it takes a format -string and an arbitrary number of C values, and returns a new Python object. -More info on :c:func:`Py_BuildValue` is given later. :: +Python object. This is done using the function :c:func:`PyLong_FromLong`. :: - return Py_BuildValue("i", sts); + return PyLong_FromLong(sts); In this case, it will return an integer object. (Yes, even integers are objects on the heap in Python!) @@ -1195,7 +1192,7 @@ The function :c:func:`spam_system` is modified in a trivial way:: if (!PyArg_ParseTuple(args, "s", &command)) return NULL; sts = PySpam_System(command); - return Py_BuildValue("i", sts); + return PyLong_FromLong(sts); } In the beginning of the module, right after the line :: |