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from rpython.rtyper.lltypesystem import rffi, lltype
from pypy.module.cpyext.test.test_api import BaseApiTest
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.api import PyObject
class AppTestStructSeq(AppTestCpythonExtensionBase):
def test_StructSeq(self):
module = self.import_extension('foo',
prologue="""
#include <structseq.h>
static PyTypeObject* PyDatatype;
static PyStructSequence_Field Data_fields[] = {
{"value", "value_doc"},
{"value2", "value_doc"},
{"text", "text_doc"},
{"other", "other_doc"},
{NULL} /* Sentinel */
};
static PyStructSequence_Desc Data_desc = {
"cpyext_test.data", /*name*/
"data_doc", /*doc*/
Data_fields, /*fields*/
3, /*n_in_sequence*/
};
""", more_init = """
""",
functions=[
("new_structdata", "METH_NOARGS",
"""
PyObject *seq;
PyDatatype = PyStructSequence_NewType(&Data_desc);
seq = PyStructSequence_New(PyDatatype);
if (!seq) return NULL;
PyStructSequence_SET_ITEM(seq, 0, PyLong_FromLong(42));
PyStructSequence_SET_ITEM(seq, 1, PyLong_FromLong(43));
PyStructSequence_SetItem(seq, 2, PyUnicode_FromString("hello"));
PyStructSequence_SetItem(seq, 3, PyUnicode_FromString("other"));
Py_DECREF(PyDatatype);
return seq;
"""),
("getitem", "METH_VARARGS",
"""
PyObject *obj, *result=NULL;
int i;
if (PyArg_ParseTuple(args, "Oi:test_get_item", &obj, &i)) {
result = PyStructSequence_GetItem(obj, i);
Py_INCREF(result);
};
return result;
"""),
])
s = module.new_structdata()
assert tuple(s) == (42, 43, 'hello')
assert s.value == 42
assert s.text == 'hello'
assert s.other == 'other'
assert 'hello' in s
assert 'other' not in s
assert module.getitem(s, 1) == 43
del s
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