[jira] [Assigned] (CASSANDRA-17832) Change bin/cqlsh.py shebang to use PATH with env prefix

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

     [ https://issues.apache.org/jira/browse/CASSANDRA-17832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brad Schoening reassigned CASSANDRA-17832:
------------------------------------------

    Assignee: Brad Schoening

> Change bin/cqlsh.py shebang to use PATH with env prefix
> -------------------------------------------------------
>
>                 Key: CASSANDRA-17832
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17832
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Brad Schoening
>            Assignee: Brad Schoening
>            Priority: Normal
>
> For cqlsh.py this:
> #!/usr/bin/env python
> is preferable to the current hard coded /usr/bin/python3 which doesn't take into account the python interpreter preferences in the users PATH.  '{{{}env{}}}' is a system binary in {{/usr/bin}} that searches {{$PATH}} for strings containing the provided argument and returns the first instance it finds. In the above syntax, {{env}} will search for the first instance of {{python}} in {{$PATH}} and return it.
> This is aligned with the recommendations in [https://peps.python.org/pep-0394/]
> For example, on a MacOS:
>  
> {code:java}
> % /usr/bin/python3 --version
> Python 3.8.9.   (xcode python version)
> % /usr/bin/env python --version
> Python 3.10.6.  (brew python version)
> % python --version
> Python 3.10.6.   (default)
> {code}
> Thus, /usr/bin/python3 doesn't run the expected default python version
> Even the official Python tutorial uses /usr/bin/env: [https://docs.python.org/3/tutorial/interpreter.html]
>  
>  



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