[Freeipa-devel] import rpm causes failure during IPA caless install

[Martin Kosek]

On 01/08/2016 01:45 PM, Martin Basti wrote:
> Hello all,
> 
> fix for ticket https://fedorahosted.org/freeipa/ticket/5535
> requires to import rpm module
> 
> This import somehow breaks nsslib in IPA
> https://fedorahosted.org/freeipa/ticket/5572
> 
> 
> We have 2 ways how to fix it:
> 
> 1) move import rpm to body of methods (attached patch)
> We are not sure how stable is this solution.
> 
> 2) use solution with rpmdevtools proposed here:
> https://www.redhat.com/archives/freeipa-devel/2016-January/msg00092.html
> This should be rock stable but it needs many dependencies (rpm-python too, perl)
> 
> The second way looks safer, so I would like to reimplement it, do you all agree
> or do you have better idea?
> Feedback welcome, please ASAP.
> 
> Martin^2

Since it's Friday, I invested 15 minutes to practice my C skills and use the
python-cffi library to call rpm rpmvercmp library call directly (attached):

$ python rpm.py 4.2.0-15.el7 4.2.0-15.el7_2.3
4.2.0-15.el7 < 4.2.0-15.el7_2.3

This would not introduce any additional dependency besides rpm-devel, right? :-)
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