On 22. 07. 21 22:33, Troy Dawson wrote:
On Thu, Jul 22, 2021 at 12:50 PM Miro Hrončok <[email protected]
<mailto:[email protected]>> wrote:
On 22. 07. 21 21:47, Miro Hrončok wrote:
> On 22. 07. 21 21:25, Troy Dawson wrote:
>> I've been bitten by this yet again. A package needing /usr/bin/python
and
>> not python2 or python3. And it's way down in the code so it's hard to
>> patch. But, it works fine on Fedora.
>>
>> Is anyone in the middle of porting python-unversioned-command over to
epel8?
>> If not, does anyone object to me porting it over?
>
> I wonder how would that package work?
>
> /usr/bin/python is co-owned by several RHEL-proper packages and managed
by
> alternatives.
I hit "Send" to early, apologies, here is the rest of my email:
Could you please share the package spec file with us (Python Maint team at
Red
Hat, specifically Tomas Orsava and me) before you actually push it to EPEL,
so
we get a chance to review it (and maybe test it)?
On RHEL 8, if there is something that provides /usr/bin/python I can't find it,
nor can dnf.
I've been running RHEL 8 since 8.0, I'm currently at 8.4 and this is what I
have.
# dnf provides '/usr/bin/python'
Error: No Matches found
# ls /usr/bin/python
ls: cannot access '/usr/bin/python': No such file or directory
# which python
/usr/bin/which: no python in
(/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin)
On Fedora, it's rather simple, just look at the contents of
python-unversioned-command
Two files, no scripts or triggers.
# rpm -ql python-unversioned-command
/usr/bin/python
/usr/share/man/man1/python.1.gz
# ls -lh /usr/bin/python
lrwxrwxrwx. 1 root root 9 May 18 03:48 /usr/bin/python -> ./python3
# ls -lh /usr/share/man/man1/python.1.gz
lrwxrwxrwx. 1 root root 14 May 18 03:48 /usr/share/man/man1/python.1.gz ->
./python3.1.gz
It looks like it will be very simple spec file.
I'll probably just cut it out of the Fedora python spec file.
On Fedora, it is simple.
On RHEL 8, it is the opposite of simple.
The /usr/bin/python file is managed by alternatives but it deliberately not
owned by any Python package, so `yum install /usr/bin/python` does not work.
If the /usr/bin/python file is created/changed by the admin (or by a package
copied from Fedora), upon (re)installation or upgrade of python2 or
pytohn3{6,8,9} it will be restored based on the alternatives database.
See the %post sctriplets of the mentioned packages.
--
Miro Hrončok
--
Phone: +420777974800
IRC: mhroncok
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