mirror of https://github.com/python/cpython
instancemethod_setattro(): Raise TypeError if an attempt is made to
set a function attribute on a method (either bound or unbound). This reverts to Python 2.0 behavior that no attributes of the method are writable, but provides a more informative error message.
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@ -1866,21 +1866,8 @@ instancemethod_setattro(register PyMethodObject *im, PyObject *name,
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{
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char *sname = PyString_AsString(name);
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if (PyEval_GetRestricted() ||
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strcmp(sname, "im_func") == 0 ||
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strcmp(sname, "im_self") == 0 ||
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strcmp(sname, "im_class") == 0)
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{
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PyErr_Format(PyExc_TypeError, "read-only attribute: %s",
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sname);
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return -1;
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}
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if (im->im_self != NULL) {
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PyErr_Format(PyExc_TypeError,
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"cannot set attributes through bound methods");
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return -1;
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}
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return PyObject_SetAttr(im->im_func, name, v);
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PyErr_Format(PyExc_TypeError, "read-only attribute: %s", sname);
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return -1;
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}
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