[jira] [Commented] (CASSANDRA-17287) Replace cqlshlib/wcwidth.py with pypi module 'wcwidth'

["Brad Schoening (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-17287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17632060#comment-17632060 ] 

Brad Schoening commented on CASSANDRA-17287:
--------------------------------------------

[~smiklosovic]  I updated the PR to add the download the .whl/.zip file and add to the zip loader path.  Can you see if this works in the CI environment now?

 

> Replace cqlshlib/wcwidth.py with pypi module 'wcwidth'
> ------------------------------------------------------
>
>                 Key: CASSANDRA-17287
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17287
>             Project: Cassandra
>          Issue Type: Task
>          Components: CQL/Interpreter
>            Reporter: Brad Schoening
>            Assignee: Brad Schoening
>            Priority: Normal
>             Fix For: 4.x
>
>         Attachments: CQLSH sample query.jpg
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The module wcwidth implements the same Markus Kuhn algorithm defined in POSIX.1-2008 to return the number of cells a unicode string is expected to occupy.
> The module wcwidth is used by hundreds of libraries including pytest and prompt-toolkit (used in ipython).  It replaces 379 lines of bespoke code in cqlshlib.
> {quote}from wcwidth import wcswidth   # at [https://pypi.org/project/wcwidth/]
> print(wcswidth('コンニチハ'))
> 10
> {{from cqlshlib.wcwidth import wcswidth as cql_wcswidth}}
> print(cql_wcswidth('コンニチハ'))
> 10
> {quote}
> wcwidth appears to be used only by one line in formatting.py:
>  return bval if colormap is NO_COLOR_MAP else color_text(bval, colormap, wcwidth.wcswidth(bval))



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