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Re: Planning to port cqlsh to Python 3 (CASSANDRA-10190)


Hi,

Deprecating in this context does not mean removing it or it being replaced by 3 (RHEL 7.x will remain with Python 2.x as default). It refers to future versions (>7), but there are none at this point. It appears Ubuntu has deviated from Debian in this sense, but Debian has not changed yet (likely Debian 10 will, but that's not out yet and has no announced release date).

Thus, 2.x still remains the most used version for servers. And servers deployed at this point of time will use these versions for years.

  - Micke


On 06/01/2018 10:52 AM, Murukesh Mohanan wrote:
On 2018/06/01 07:40:04, Michael Burman <miburman@xxxxxxxxxx> wrote:
IIRC, there's no major distribution yet that defaults to Python 3 (I
think Ubuntu & Debian are still defaulting to Python 2 also). This will
happen eventually (maybe), but not yet. Discarding Python 2 support
would mean more base-OS work for most people wanting to run Cassandra
and that's not a positive thing.

Ubuntu since 16.04 defaults to Python 3:

Python2 is not installed anymore by default on the server, cloud and the touch images, long live Python3! Python3 itself has been upgraded to the 3.5 series. - https://wiki.ubuntu.com/XenialXerus/ReleaseNotes#Python_3
RHEL 7.5 deprecates Python 2 (https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.5_release_notes/chap-red_hat_enterprise_linux-7.5_release_notes-deprecated_functionality).



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