[Yum-devel] repoquery/yumquery/something

[Panu Matilainen]

On Fri, 10 Sep 2004, seth vidal wrote:

> > Nod. Not an issue if the repomd libraries come with a default FC/whatever
> > installation but for people downloading separately it is. And yum isn't 
> > exactly big package...
> 
> well yum is in @Base in FC - so that helps some.
> 
> > Then we'll need a tool for adding and removing repositories into the .xml
> > file - I don't consider xml "end user editable" by any means.  Something
> > like 'repoconfig --add http://foo.bar.com/some/repo' perhaps. But agreed - 
> > we don't want to end up parsing yum.conf, up2date's sources, apt's 
> > sources.list[.d/*] and all from every tool that's supposed to read the 
> > config, better have it in one place and instead of yet another 
> > config-file-format use xml for it.
> 
> 
> For short config things I've always considered xml user editable but
> <shrug>

Depends a lot on the xml file .. for some very simple and short things ok. 
Anyway seems we agree that a common-for-all-clients xml config for the 
repositories would be a good thing.

> > > pkg with a zero epoch:
> > > name-ver-rel.arch
> > > pkg with a non-zero epoch:
> > > epoch:name-ver-rel.arch
> > 
> > ...but I think it should be easy to parse from scripts, and conditionals 
> > like that make life more complicated. I wouldn't mind showing epoch 
> > always, zero (or absent) or not since absent epoch means zero anyway these 
> > days. Arch certainly should be present at all times in the output.
> 
> def stringToVersion(verstring):
>     if verstring is None:
>         return (None, None, None)
>     i = string.find(verstring, ':')
>     if i != -1:
>         epoch = string.atol(verstring[:i])
>     else:
>         epoch = '0'
>     j = string.find(verstring, '-')
>     if j != -1:
>         if verstring[i + 1:j] == '':
>             version = None
>         else:
>             version = verstring[i + 1:j]
>         release = verstring[j + 1:]
>     else:
>         if verstring[i + 1:] == '':
>             version = None
>         else:
>             version = verstring[i + 1:]
>         release = None
>     return (epoch, version, release)
> 
> 
> That parses the above formats w/o a problem, I think.

I'm not worried about parsing it in python but from things like 
shell-scripts, sed/awk/perl stuff and such.

	- Panu -