find-packages-from-same-source

#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
import sys
import urllib2
import piksemel
import bz2


distroBase = "http://packages.pardus.org.tr/%s/pisi-index.xml.bz2"
release = "pardus-2009-test"

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

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

    return index

def parseIndex(index):
    pkglist = {}

    for parent in index.tags("Package"):
        # pkgname = parent.getTagData("Name")
        pkgfile = parent.getTagData("PackageURI")
        srcname = parent.getTag("Source").getTagData("Name")
        if srcname in pkglist.keys():
            pkglist[srcname].append(pkgfile)
        else:
            pkglist[srcname] = [pkgfile]

    return pkglist

def usage():
    print "usage :"
    print "          %s <repo name> <files to search for ....>" % sys.argv[0]
    print
    print "example : %s pardus-2009-test xulrunner qt" % sys.argv[0]
    print

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

    if len(sys.argv) < 3:
        usage()
        sys.exit(1)

    release = sys.argv[1]
    packages = sys.argv[2:]

    repoIndex = unpackXml(distroBase % release)
    pkgIndex = parseIndex(repoIndex)

    for i in packages:
        print "----> %s" % i
        if pkgIndex.has_key(i):
            tmp = pkgIndex[i]
            tmp.sort()

            for p in tmp:
                print p

        else:
            print "this is not a source package!"

        print