Guido van Rossum <gu...@python.org> added the comment:
I would like to see this fixed. On Fri, Nov 9, 2018 at 4:27 AM Serhiy Storchaka <rep...@bugs.python.org> wrote: > > Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment: > > I think that the fact that `(a) = 42` is accepted is rather an > implementation detail, and the consequence of limitations of the grammar > parser. It accepts arbitrary expression at the left hand side of > assignment. After transforming CST to AST unsuitable targets are rejected, > but information about grouping parenthesis is lost at this stage. > > This can be fixed if check the left hand side node before converting to > AST. > > ---------- > nosy: +gvanrossum, serhiy.storchaka > > _______________________________________ > Python tracker <rep...@bugs.python.org> > <https://bugs.python.org/issue33878> > _______________________________________ > -- --Guido (mobile) ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue33878> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
