Surprising fix for SF bug 563060: module can be used as base class.

Change the module constructor (module_init) to have the signature
__init__(name:str, doc=None); this prevents the call from type_new()
to succeed.  While we're at it, prevent repeated calling of
module_init for the same module from leaking the dict, changing the
semantics so that __dict__ is only initialized if NULL.

Also adding a unittest, test_module.py.

This is an incompatibility with 2.2, if anybody was instantiating the
module class before, their argument list was probably empty; so this
can't be backported to 2.2.x.
This commit is contained in:
Guido van Rossum 2002-06-04 05:52:47 +00:00
parent 88f72ff955
commit c3a787e090
2 changed files with 64 additions and 3 deletions

View file

@ -147,10 +147,23 @@ _PyModule_Clear(PyObject *m)
/* Methods */
static int
module_init(PyModuleObject *m, PyObject *args, PyObject *kw)
module_init(PyModuleObject *m, PyObject *args, PyObject *kwds)
{
m->md_dict = PyDict_New();
if (m->md_dict == NULL)
static char *kwlist[] = {"name", "doc", NULL};
PyObject *dict, *name = Py_None, *doc = Py_None;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "S|O", kwlist,
&name, &doc))
return -1;
dict = m->md_dict;
if (dict == NULL) {
dict = PyDict_New();
if (dict == NULL)
return -1;
m->md_dict = dict;
}
if (PyDict_SetItemString(dict, "__name__", name) < 0)
return -1;
if (PyDict_SetItemString(dict, "__doc__", doc) < 0)
return -1;
return 0;
}