Re: Tool to read hdlist files

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Thanks Jeremy!  I agree you should add it to anaconda-runtime.

Mike

On Wed, 2002-05-15 at 15:03, Jeremy Katz wrote:
> On Wed, 2002-05-15 at 18:51, barjunk wrote:
> > I was thinking that I would be able to read the hdlist files so that I
> > could find out which CD a particular rpm is on.
> 
> The attached script I wrote a few weeks back for some random reason does
> it.  Need to remember to throw this into the anaconda-runtime package
> since it could be moderately useful for the general case.
> 
> Usage is simple enough -- 'dumphdrlist.py /path/to/hdlist' and it will
> then print the NEVRA of all of the packages as well as the disc it's on
> in the format
>   E:N-V-R.A   disc
> 
> Cheers,
> 
> Jeremy
> ----
> 

> #!/usr/bin/python
> #
> # dumphdrlist.py - dump the header list and give the discs that each
> # package is on
> #
> # Copyright 2002 Red Hat, Inc.
> # Author: Jeremy Katz <katzj@xxxxxxxxxx>
> #
> # This program is free software; you can redistribute it and/or modify
> # it under the terms of the GNU General Public License as published by
> # the Free Software Foundation; either version 2 of the License, or
> # (at your option) any later version.
> #
> # This program is distributed in the hope that it will be useful,
> # but WITHOUT ANY WARRANTY; without even the implied warranty of
> # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> # GNU General Public License for more details.
> #
> # You should have received a copy of the GNU General Public License
> # along with this program; if not, write to the Free Software
> # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> #
> 
> import rpm
> import os
> import sys
> 
> def usage():
>     print "%s <headerlist>" % (sys.argv[0])
> 
> def compareHeaders(first, second):
>     name1 = first[rpm.RPMTAG_NAME]
>     name2 = second[rpm.RPMTAG_NAME]
> 
>     if (name1 < name2):
>         return -1
>     elif (name1 > name2):
>         return 1
>     return 0
> 
> 
> if len(sys.argv) < 2:
>     usage()
>     sys.exit(0)
> 
> hdlist = rpm.readHeaderListFromFile(sys.argv[1])
> hdlist.sort(compareHeaders)
> for hdr in hdlist:
>     if hdr[rpm.RPMTAG_EPOCH] == None:
>         epoch = "0"
>     else:
>         epoch = hdr[rpm.RPMTAG_EPOCH]
>     print "%s:%s-%s-%s.%s %s" %(epoch,
>                                 hdr[rpm.RPMTAG_NAME], hdr[rpm.RPMTAG_VERSION],
>                                 hdr[rpm.RPMTAG_RELEASE], hdr[rpm.RPMTAG_ARCH],
>                                 hdr[1000002])
>     






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