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fix #4720: the format to PyArg_ParseTupleAndKeywords can now start with '|'

This commit is contained in:
Benjamin Peterson 2008-12-22 20:51:15 +00:00
parent 1c39785256
commit 4caef5c7e2
2 changed files with 28 additions and 1 deletions
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27
Modules/_testcapimodule.c
View File

@ -518,6 +518,32 @@ test_u_code(PyObject *self)
return Py_None;
}
static PyObject *
test_empty_argparse(PyObject *self)
{
/* Test that formats can begin with '|'. See issue #4720. */
PyObject *tuple, *dict = NULL;
static char *kwlist[] = {NULL};
int result;
tuple = PyTuple_New(0);
if (!tuple)
return NULL;
if ((result = PyArg_ParseTuple(tuple, "|:test_empty_argparse")) < 0)
goto done;
dict = PyDict_New();
if (!dict)
goto done;
result = PyArg_ParseTupleAndKeywords(tuple, dict, "|:test_empty_argparse", kwlist);
done:
Py_DECREF(tuple);
Py_XDECREF(dict);
if (result < 0)
return NULL;
else {
Py_RETURN_NONE;
}
}
static PyObject *
codec_incrementalencoder(PyObject *self, PyObject *args)
{
@ -780,6 +806,7 @@ static PyMethodDef TestMethods[] = {
{"test_long_api", (PyCFunction)test_long_api, METH_NOARGS},
{"test_long_numbits", (PyCFunction)test_long_numbits, METH_NOARGS},
{"test_k_code", (PyCFunction)test_k_code, METH_NOARGS},
{"test_empty_argparse", (PyCFunction)test_empty_argparse,METH_NOARGS},
{"test_null_strings", (PyCFunction)test_null_strings, METH_NOARGS},
{"test_string_from_format", (PyCFunction)test_string_from_format, METH_NOARGS},
{"test_with_docstring", (PyCFunction)test_with_docstring, METH_NOARGS,

2
Python/getargs.c
View File

@ -1601,7 +1601,7 @@ vgetargskeywords(PyObject *args, PyObject *keywords, const char *format,
}
}
if (!IS_END_OF_FORMAT(*format)) {
if (!IS_END_OF_FORMAT(*format) && *format != '|') {
PyErr_Format(PyExc_RuntimeError,
"more argument specifiers than keyword list entries "
"(remaining format:'%s')", format);