[Yum-devel] repoquery/yumquery/something

seth vidal skvidal at phy.duke.edu
Fri Sep 10 06:39:57 UTC 2004

> 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

> > 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])
        epoch = '0'
    j = string.find(verstring, '-')
    if j != -1:
        if verstring[i + 1:j] == '':
            version = None
            version = verstring[i + 1:j]
        release = verstring[j + 1:]
        if verstring[i + 1:] == '':
            version = None
            version = verstring[i + 1:]
        release = None
    return (epoch, version, release)

That parses the above formats w/o a problem, I think.


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