Message 234365 - Python tracker

Message234365

Author	eryksun
Recipients	Cesar.Kawakami, Devin Jeanpierre, Kyle.Buzsaki, eryksun, martin.panter, r.david.murray, rhettinger
Date	2015-01-20.10:19:30
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1421749171.02.0.608455967148.issue23275@psf.upfronthosting.co.za>
In-reply-to

Content
In ast.c, set_context checks for assignment to an empty tuple, but not an empty list. case List_kind: e->v.List.ctx = ctx; s = e->v.List.elts; break; case Tuple_kind: if (asdl_seq_LEN(e->v.Tuple.elts)) { e->v.Tuple.ctx = ctx; s = e->v.Tuple.elts; } else { expr_name = "()"; } break; https://hg.python.org/cpython/file/ab2c023a9432/Python/ast.c#l912

Content

In ast.c, set_context checks for assignment to an empty tuple, but not an empty list.

        case List_kind:
            e->v.List.ctx = ctx;
            s = e->v.List.elts;
            break;
        case Tuple_kind:
            if (asdl_seq_LEN(e->v.Tuple.elts))  {
                e->v.Tuple.ctx = ctx;
                s = e->v.Tuple.elts;
            }
            else {
                expr_name = "()";
            }
            break;

https://hg.python.org/cpython/file/ab2c023a9432/Python/ast.c#l912

History
Date	User	Action	Args
2015-01-20 10:19:31	eryksun	set	recipients: + eryksun, rhettinger, Devin Jeanpierre, r.david.murray, martin.panter, Cesar.Kawakami, Kyle.Buzsaki
2015-01-20 10:19:31	eryksun	set	messageid: <1421749171.02.0.608455967148.issue23275@psf.upfronthosting.co.za>
2015-01-20 10:19:31	eryksun	link	issue23275 messages
2015-01-20 10:19:30	eryksun	create