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Issue #16546: make ast.YieldFrom argument mandatory.

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This commit is contained in:
Mark Dickinson 2012-11-25 14:36:26 +00:00
parent 9982c53c2f
commit ded35aeb9d
7 changed files with 36 additions and 24 deletions
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8
Python/Python-ast.c
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@ -1802,6 +1802,11 @@ expr_ty
YieldFrom(expr_ty value, int lineno, int col_offset, PyArena *arena)
{
expr_ty p;
if (!value) {
PyErr_SetString(PyExc_ValueError,
"field value is required for YieldFrom");
return NULL;
}
p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
if (!p)
return NULL;
@ -5431,7 +5436,8 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
Py_XDECREF(tmp);
tmp = NULL;
} else {
value = NULL;
PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from YieldFrom");
return 1;
}
*out = YieldFrom(value, lineno, col_offset, arena);
if (*out == NULL) goto failed;