[issue16360] argparse: comma in metavar causes assertion failure when formatting long usage message

paul j3 added the comment: I'm closing this since the https://bugs.python.org/issue11874 fix also handles this issue. -- resolution: -> fixed stage: -> resolved status: open -> closed ___ Python tracker

[issue16360] argparse: comma in metavar causes assertion failure when formatting long usage message

Karthikeyan Singaravelan added the comment: Thanks @paul.j3 for the PR. The PR in the linked issue was merged and I cannot reproduce the original assertion error in the latest 2.7 branch with the script. $ ./python.exe Python 2.7.15+ (remotes/upstream/2.7:10be1d3f80, Sep 22 2018, 22:10:28)

[issue16360] argparse: comma in metavar causes assertion failure when formatting long usage message

Change by Serhiy Storchaka : -- type: crash -> behavior ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue16360] argparse: comma in metavar causes assertion failure when formatting long usage message

paul j3 added the comment: My rewrite of _format_actions_usage in http://bugs.python.org/issue11874 should take care of this issue. It keeps the groups and actions separate until the final formatting step, bypassing the regular expression parsing. -- nosy: +paul.j3

[issue16360] argparse: comma in metavar causes assertion failure when formatting long usage message

New submission from Ben Gamari: argparse suffers from a failing assertion when formatting a long usage message with an option whose metavar contains a comma. This can be seen in the attached testcase, which fails with, Traceback (most recent call last): File /home/ben/hi.py, line 24, in