PyArg_ParseTuple and dict

[Jeff Epler]

I tried to recreate the problem based on what you described in your
message.  I was unable to recreate the problem.

I wrote the following file "sjh.c":

#include <Python.h>

PyObject *f(PyObject *self, PyObject *args) {
    PyObject *ob = NULL;
    if(!PyArg_ParseTuple(args, "O", &ob)) return NULL;
    Py_INCREF(Py_None); 
    return Py_None;
}

PyMethodDef methods[] = {
    {"f", (PyCFunction)f, METH_VARARGS, "test function"},
    {NULL}
};

void initsjh() {
    Py_InitModule3("sjh", methods, "test module");
}

I compiled it for Python 2.3:
$ gcc sjh.c -I/usr/include/python2.3 -L/usr/lib/python2.3/config -lpython2.3 -shared -o sjh.so

and I tested it:
$ python -c 'import sjh; print sjh.f(1)'
None
$ python -c 'import sjh; print sjh.f({})'
None
$ python -c 'import sjh; print sjh.f({None: None})'
None

Jeff
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