[issue33475] Fix converting AST expression to string and optimize parenthesis

Change by Serhiy Storchaka : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue33475] Fix converting AST expression to string and optimize parenthesis

Serhiy Storchaka added the comment: New changeset b32f8897eafcf335f9e9899c5e622a0b27679437 by Serhiy Storchaka in branch '3.7': [3.7] bpo-33475: Fix and improve converting annotations to strings. (GH-6774). (GH-6927)

[issue33475] Fix converting AST expression to string and optimize parenthesis

Serhiy Storchaka added the comment: There are still problems with f-strings like f'''{"'"}''' => f'{"\'"}' (SyntaxError: f-string expression part cannot include a backslash). But this is a separate hard issue (issue33552). --

[issue33475] Fix converting AST expression to string and optimize parenthesis

Change by Serhiy Storchaka : -- pull_requests: +6598 ___ Python tracker ___ ___

[issue33475] Fix converting AST expression to string and optimize parenthesis

Łukasz Langa added the comment: New changeset 64fddc423fcbe90b8088446c63385ec0aaf3077c by Łukasz Langa (Serhiy Storchaka) in branch 'master': bpo-33475: Fix and improve converting annotations to strings. (GH-6774)

[issue33475] Fix converting AST expression to string and optimize parenthesis

Change by Guido van Rossum : -- nosy: -gvanrossum ___ Python tracker ___ ___

[issue33475] Fix converting AST expression to string and optimize parenthesis

Change by Serhiy Storchaka : -- nosy: +gvanrossum ___ Python tracker ___ ___

[issue33475] Fix converting AST expression to string and optimize parenthesis

Change by Serhiy Storchaka : -- keywords: +patch pull_requests: +6462 stage: -> patch review ___ Python tracker ___

[issue33475] Fix converting AST expression to string and optimize parenthesis

New submission from Serhiy Storchaka : The proposed patch fixes bugs in ast_unparse.c, makes it generating cleaner string representation, and makes the code cleaner. Known fixed bugs: 1. Extended slices crash Python. "s[a, b:c]". 2. 1-tuples produce illegal