#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2007, TUBITAK/UEKAE
#
# 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.
#
# Please read the COPYING file.

import sys
import bz2

import piksemel

tubitak_devel = {}
non_tubitak_devel = {}
packagestats = {"tubitak_maintained":0,
                "nontubitak_maintained":0}

# TUBITAK employees who are maintainers of at least one package
TUBITAK = ["S.Çağlar Onur",
           "İsmail Dönmez",
           "Onur Küçük",
           "Bahadır Kandemir",
           "Fatih Aşıcı",
           "Gökmen GÖKSEL",
           "Faik Uygur",
           "Ekin Meroğlu",
           "Koray Löker",
           "Gökçen Eraslan",
           "Pınar Yanardağ",
           "Ozan Çağlayan"
           ]

def parseRepoIndex(index):
    if index.endswith("bz2"):
        doc = piksemel.parseString(bz2.decompress(file(index).read()))
    else:
        doc = piksemel.parse(index)

    for spec in doc.tags("SpecFile"):
        pkgr = spec.getTag("Source").getTag("Packager")
        name = pkgr.getTagData("Name")
        curdict = None
        if name not in TUBITAK:
            curdict = non_tubitak_devel
            packagestats["nontubitak_maintained"] += 1
        else:
            curdict = tubitak_devel
            packagestats["tubitak_maintained"] += 1

        if curdict.has_key(name):
            curdict[name] += 1
        else:
            curdict[name] =  1

if len(sys.argv) < 2:
    print "Usage: packagerStats <sourceRepoIndexFile> <sourceRepoIndexFile> ..."
    sys.exit(1)
    
for i in range(1,len(sys.argv)):
    parseRepoIndex(sys.argv[i])

from operator import itemgetter
tubitak_sortedlist = sorted(tubitak_devel.iteritems(), key=itemgetter(1), reverse=True)
nontubitak_sortedlist = sorted(non_tubitak_devel.iteritems(), key=itemgetter(1), reverse=True)

print "TUBITAK developers"
print "------------------"
for devel in tubitak_sortedlist:
    print devel[0] + " - " + str(devel[1])

print
print "Non-TUBITAK developers"
print "----------------------"
for devel in nontubitak_sortedlist:
    print devel[0] + " - " + str(devel[1])

print 

total_maintained = packagestats["tubitak_maintained"] + packagestats["nontubitak_maintained"]

print "Total source pisi packages in given Pardus 2007 repositories are %d.\n" % total_maintained

print "%4d (%.0f%%) are maintained by non-TUBITAK developers." % (packagestats["nontubitak_maintained"], 100.0*packagestats["nontubitak_maintained"]/total_maintained)
print "%4d (%.0f%%) are maintained by TUBITAK developers.\n" % (packagestats["tubitak_maintained"], 100.0*packagestats["tubitak_maintained"]/total_maintained)

print "The total number of non-TUBITAK maintainers is %d." % len(non_tubitak_devel)
print "The total number of TUBITAK maintainers is %d.\n" % len(tubitak_devel)

total_developers = len(tubitak_devel) + len(non_tubitak_devel)

print "%d / %d = %0.1f packages per non-TUBITAK maintainer." % (packagestats["nontubitak_maintained"], len(non_tubitak_devel), float(packagestats["nontubitak_maintained"]) / float(len(non_tubitak_devel)))

print "%d / %d = %0.1f packages per TUBITAK maintainer." % (packagestats["tubitak_maintained"], len(tubitak_devel), float(packagestats["tubitak_maintained"]) / float(len(tubitak_devel)))

print

print "%d / %d = %0.1f packages per maintainer.\n" % (total_maintained, total_developers, float(total_maintained)/float(total_developers))