find-obsolete-debug-packages

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
#
# A script to find debug packages of obsoleted packages. Give distro version
# as parameter to the script for other distro releases.
#
#


import sys

import urllib
import lzma
import bz2
import piksemel


repoOf = {'2009' : 'http://packages.pardus.org.tr/pardus-2009-debug/pisi-index.xml.bz2',
          '2011' : 'http://packages.pardus.org.tr/pardus/2011/devel/x86_64-debug/pisi-index.xml.xz',
          '2011-i686' : 'http://packages.pardus.org.tr/pardus/2011/devel/i686-debug/pisi-index.xml.xz',
          'Corporate2' : 'http://packages.pardus.org.tr/pardus/corporate2/devel/x86_64-debug/pisi-index.xml.xz',
          'Corporate2-i686' : 'http://packages.pardus.org.tr/pardus/corporate2/devel/i686-debug/pisi-index.xml.xz'
}

def fail(message):
    print message
    sys.exit(1)

def downloadFile(_url):
    global data

    try:
        response = urllib.urlopen(_url)

    except  IOError:
        fail("Could not connect to %s" % _url)

    data = response.read()
    response.close()


def getDocument():
    global document

    if url.endswith("xz"):
        cmp_data = lzma.decompress( data )

    elif url.endswith("bz2"):
        cmp_data = bz2.decompress( data )

    else:
        fail("not support filetype %s for decompress" % url.rsplit(".", 1)[1])

    document = piksemel.parseString(cmp_data)


def getObsoletePackageList():
    global document

    obsolete_package_list = []

    package_elements = document.getTag("Distribution").getTag("Obsoletes").tags("Package")

    for package in package_elements:
        package_name = package.firstChild().data()
        obsolete_package_list.append( package_name )

    return obsolete_package_list



if __name__ == "__main__":
    data = None
    document = None


    if len(sys.argv) != 2 :
        print "Usage: %s PardusRelease\n\nFinds obsolete debug packages in PardusRelease (which is one of %s)" % (sys.argv[0], ', '.join(sorted(repoOf.keys())))
        sys.exit()
    else:
        which_release = sys.argv[1]

    if which_release in repoOf.keys():
        url = repoOf.get(which_release)
    else:
        fail("Could not find release %s\nknown releases are %s\n" % (which_release, ", ".join(repoOf.keys())))

    downloadFile(url)
    getDocument()

    obsolete_package_list =  getObsoletePackageList()
    package_elements = document.tags( "Package" )

    for package in package_elements:
        package_src_name = package.getTag( "Source" ).getTagData( "Name" ) #kdeutils
        package_name =  package.getTagData("Name") # kdeutils-kwallet-dbginfo

        if package_name.replace("-dbginfo", "") in obsolete_package_list:
            packageURI = package.getTagData( "PackageURI" )
            print packageURI