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Fixes for issue 1752184, ensuring type objects are always created

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with a PyUnicode name.
This commit is contained in:
Guido van Rossum 2007-11-02 23:07:07 +00:00
parent 15c974651f
commit e845c0f922
4 changed files with 15 additions and 6 deletions
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15
Objects/typeobject.c
View file

@ -45,6 +45,7 @@ type_set_name(PyTypeObject *type, PyObject *value, void *context)
{
PyHeapTypeObject* et;
char *tp_name;
PyObject *tmp;
if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
PyErr_Format(PyExc_TypeError,
@ -62,14 +63,22 @@ type_set_name(PyTypeObject *type, PyObject *value, void *context)
type->tp_name, Py_Type(value)->tp_name);
return -1;
}
tp_name = PyUnicode_AsString(value);
if (tp_name == NULL)
/* Check absence of null characters */
tmp = PyUnicode_FromStringAndSize("\0", 1);
if (tmp == NULL)
return -1;
if (strlen(tp_name) != (size_t)PyUnicode_GET_SIZE(value)) {
if (PyUnicode_Contains(value, tmp) != 0) {
Py_DECREF(tmp);
PyErr_Format(PyExc_ValueError,
"__name__ must not contain null bytes");
return -1;
}
Py_DECREF(tmp);
tp_name = PyUnicode_AsString(value);
if (tp_name == NULL)
return -1;
et = (PyHeapTypeObject*)type;

2
Parser/asdl_c.py
View file

@ -415,7 +415,7 @@ def visitModule(self, mod):
}
PyTuple_SET_ITEM(fnames, i, field);
}
result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){sOss}",
result = PyObject_CallFunction((PyObject*)&PyType_Type, "U(O){sOss}",
type, base, "_fields", fnames, "__module__", "_ast");
Py_DECREF(fnames);
return (PyTypeObject*)result;

2
Python/Python-ast.c
View file

@ -410,7 +410,7 @@ static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int
}
PyTuple_SET_ITEM(fnames, i, field);
}
result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){sOss}",
result = PyObject_CallFunction((PyObject*)&PyType_Type, "U(O){sOss}",
type, base, "_fields", fnames, "__module__", "_ast");
Py_DECREF(fnames);
return (PyTypeObject*)result;

2
Python/errors.c
View file

@ -608,7 +608,7 @@ PyErr_NewException(const char *name, PyObject *base, PyObject *dict)
goto failure;
}
/* Create a real new-style class. */
result = PyObject_CallFunction((PyObject *)&PyType_Type, "sOO",
result = PyObject_CallFunction((PyObject *)&PyType_Type, "UOO",
dot+1, bases, dict);
failure:
Py_XDECREF(bases);