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#7050 fix a SystemError when using tuple unpacking and augmented assignment

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Benjamin Peterson 2009-10-03 20:23:24 +00:00
parent 3b34dd871a
commit 7adbb5a35d
3 changed files with 19 additions and 0 deletions
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13
Python/ast.c
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@ -2097,6 +2097,19 @@ ast_for_expr_stmt(struct compiling *c, const node *n)
return NULL;
if(!set_context(c, expr1, Store, ch))
return NULL;
/* set_context checks that most expressions are not the left side.
Augmented assignments can only have a name, a subscript, or an
attribute on the left, though, so we have to explicitly check for
those. */
switch (expr1->kind) {
case Name_kind:
case Attribute_kind:
case Subscript_kind:
break;
default:
ast_error(ch, "illegal expression for augmented assignment");
return NULL;
}
ch = CHILD(n, 2);
if (TYPE(ch) == testlist)