[EPEL-devel] Re: python-unversioned-command for epel8 (provides /usr/bin/python)

[Troy Dawson]

On Tue, Jul 27, 2021 at 2:04 PM Neal Gompa <ngompa13(a)gmail.com&gt; wrote:

>  On Tue, Jul 27, 2021 at 5:09 AM Tomas Orsava
> <torsava(a)redhat.com&gt; wrote:
>  >
>  > If I understand what you're describing correctly, this is not a bug.
>  > In the default state, /usr/bin/python should *not* exist, that's correct
>  behaviour. If you want it to exist, you need to configure it using
>  alternatives [0].
>  >
>  > We considered making /usr/bin/python exist but be a noop, but that
>  breaks a lot of automated (build) tools that search for Python executables
>  (they often start with python, if not found search for python3, or python2,
>  etc.).
>  > And there was no reasonable default for Python in RHEL 8 because it sits
>  between the past (Python 2 default in RHEL 7) and the future (Python3
>  default in RHEL 9). Either default would cause problems, often hidden and
>  hard to debug problems, for some subset of our customers.
>  >
>  > [0]
>
> https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/...
>  >
>
>  But this won't be a problem in RHEL 9, will it? I don't want to suffer
>  through this when we're not even going to have Python 2 in RHEL 9 at
>  all...
>  
It will not be a problem in RHEL9.  I just verified and  it is setup like
Fedora

[root@cs9 ~]# which python
/usr/bin/python
[root@cs9 ~]# rpm -qf /usr/bin/python
python-unversioned-command-3.9.5-3.el9.noarch
[root@cs9 ~]# dnf provides '/usr/bin/python'
python-unversioned-command-3.9.6-1.el9.noarch : The "python" command that
runs Python 3
Repo        : cs9-appstream
Matched from:
Filename    : /usr/bin/python