find-newly-added-packages

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Script to find new packages for a given repository. Binary
# index files are parsed and packages that are in test repository
# but not in stable repository are printed with versions
#

import os
import sys
import urllib2
import piksemel
import bz2


distroBase = "http://packages.pardus.org.tr/pardus-2009"


def loadUrl(_url):
    try:
        return urllib2.urlopen(_url).read()
    except urllib2.URLError:
        print "could not download %s" % _url
        sys.exit(1)

def unpackXml(url):
    pkglist = {}

    compressedData = loadUrl(url)
    rawData = bz2.decompress(compressedData)
    index = piksemel.parseString(rawData)

    for parent in index.tags("Package"):
        pkgname = parent.getTagData("Name")
        pkgfile = parent.getTagData("PackageURI")
        pkglist[pkgname] = pkgfile

    return pkglist

def getRepoDiff(repoTest, repoStable):
    pkglist = []

    for i in repoTest:
        if not i in repoStable:
            pkglist.append(i)

    pkglist.sort()
    return pkglist


if __name__ == "__main__":
    """ tikkat main var basmain """

    stableIndex = unpackXml("%s/pisi-index.xml.bz2" % distroBase)
    develIndex = unpackXml("%s-test/pisi-index.xml.bz2" % distroBase)

    for i in getRepoDiff(develIndex, stableIndex):
        print develIndex[i]