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Use PyLong_FromLong where appropriate.

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This commit is contained in:
Georg Brandl 2010-11-26 11:55:48 +00:00
parent 8449932320
commit c877a7c201
2 changed files with 5 additions and 8 deletions
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2
Doc/extending/embedding.rst
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@ -209,7 +209,7 @@ Python extension. For example::
{
if(!PyArg_ParseTuple(args, ":numargs"))
return NULL;
return Py_BuildValue("i", numargs);
return PyLong_FromLong(numargs);
}
static PyMethodDef EmbMethods[] = {

11
Doc/extending/extending.rst
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@ -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 ::