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Commit48f8eb8

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14: Warn for raise with three compnents r=ltratt a=nanjekyejoannahThis makes sense at the AST hence isolated from the [other exception PR](softdevteam#12)Co-authored-by: Joannah Nanjekye <jnanjekye@python.org>
2 parents4b248a8 +99183ef commit48f8eb8

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‎Lib/test/test_py3kwarn.py‎

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@@ -369,6 +369,13 @@ def test_nonascii_bytes_literals(self):
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withcheck_py3k_warnings((expected,SyntaxWarning)):
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exec"b'\xbd'"
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deftest_raise_three_components(self):
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expected="""the raise clause with three components is not supported in 3.x;\
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use 'raise' with a single object"""
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withcheck_py3k_warnings((expected,SyntaxWarning)):
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excType,excValue,excTraceback=sys.exc_info()
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raiseexcType,excValue,excTraceback
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classTestStdlibRemovals(unittest.TestCase):
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‎Python/ast.c‎

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@@ -2459,6 +2459,12 @@ ast_for_flow_stmt(struct compiling *c, const node *n)
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elseif (NCH(ch)==6) {
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expr_tyexpr1,expr2,expr3;
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if (Py_Py3kWarningFlag&&
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!ast_3x_warn(c,n,"the raise clause with three components is not supported in 3.x",
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"use 'raise' with a single object")) {
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returnNULL;
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}
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expr1=ast_for_expr(c,CHILD(ch,1));
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if (!expr1)
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returnNULL;

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