mirror of https://github.com/python/cpython
Disallow function calls like foo(None=1).
Backport from py3k rev. 55708 by Guido.
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@ -36,6 +36,9 @@ class TestSpecifics(unittest.TestCase):
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def test_syntax_error(self):
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self.assertRaises(SyntaxError, compile, "1+*3", "filename", "exec")
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def test_none_keyword_arg(self):
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self.assertRaises(SyntaxError, compile, "f(None=1)", "<string>", "exec")
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def test_duplicate_global_local(self):
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try:
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exec 'def f(a): global a; a = 1'
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@ -1869,6 +1869,10 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func)
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return NULL;
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}
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key = e->v.Name.id;
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if (!strcmp(PyString_AS_STRING(key), "None")) {
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ast_error(CHILD(ch, 0), "assignment to None");
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return NULL;
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}
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e = ast_for_expr(c, CHILD(ch, 2));
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if (!e)
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return NULL;
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