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Created on 2020-05-14 00:15 by lys.nikolaou, last changed 2022-04-11 14:59 by admin. This issue is now closed.
| Pull Requests | |||
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| URL | Status | Linked | Edit |
| PR 20083 | merged | lys.nikolaou, 2020-05-14 00:22 | |
| Messages (2) | |||
|---|---|---|---|
| msg368809 - (view) | Author: Lysandros Nikolaou (lys.nikolaou) *  |
Date: 2020-05-14 00:15 | |
Tuples and lists, which are invalid augmented assignment targets, currently get successfully parsed, without failing. ➜ cpython git:(targets-fix) ✗ ./python -X oldparser Python 3.9.0a6+ (heads/master-dirty:75cd8e48c6, May 14 2020, 03:01:42) [GCC 9.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> (a, b) += (1, 2) File "<stdin>", line 1 SyntaxError: illegal expression for augmented assignment ➜ cpython git:(pr/20076) ./python Python 3.9.0a6+ (heads/pr/20076:bcf5be2772, May 14 2020, 02:15:37) [GCC 9.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> (a, b) += 1 SystemError: invalid node type (26) for augmented assignment We also accept arbitrary targets in `except` clauses, while we should only be accepting NAME nodes: ➜ cpython git:(master) ./python Python 3.9.0a6+ (heads/master:75cd8e48c6, May 14 2020, 03:14:03) [GCC 9.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> try: ... pass ... except Exception as a.b: ... pass ... [1] 135956 segmentation fault (core dumped) ./python |
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| msg368866 - (view) | Author: Pablo Galindo Salgado (pablogsal) * |
Date: 2020-05-14 20:13 | |
New changeset ce21cfca7bb2d18921bc4ac27cb064726996c519 by Lysandros Nikolaou in branch 'master': bpo-40618: Disallow invalid targets in augassign and except clauses (GH-20083) https://github.com/python/cpython/commit/ce21cfca7bb2d18921bc4ac27cb064726996c519 |
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