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#! /usr/bin/env python
#
# FIXME: strip "TryExec" from the extracted menu files (and noDisplay)
#
# TODO:
# - emacs21 ships it's icon in emacs-data, deal with this
# - some stuff needs to be blacklisted (e.g. gnome-about)
# - lots of packages have there desktop file in "-data", "-comon" (e.g. anjuta)
# - lots of packages have multiple desktop files for the same application
# abiword, abiword-gnome, abiword-gtk
import os
import tarfile
import sys
import apt
import apt_pkg
import apt_inst
#import xdg.Menu
import os.path
import re
import tempfile
import subprocess
import string
import shutil
import urllib
import logging
# pkgs in main for the given dist
class Dist(object):
def __init__(self,name):
self.name = name
self.pkgs_in_comp = {}
if __name__ == "__main__":
# init
apt_pkg.Config.Set("Dir::state","./apt/")
apt_pkg.Config.Set("Dir::Etc","./apt")
apt_pkg.Config.Set("Dir::State::status","./apt/status")
try:
os.makedirs("apt/lists/partial")
except OSError:
pass
old = Dist("dapper")
new = Dist("edgy")
# go over the dists to find main pkgs
for dist in [old, new]:
for comp in ["main", "restricted", "universe", "multiverse"]:
line = "deb http://archive.ubuntu.com/ubuntu %s %s\n" % (dist.name,comp)
file("apt/sources.list","w").write(line)
dist.pkgs_in_comp[comp] = set()
# and the archs
for arch in ["i386","amd64", "powerpc"]:
apt_pkg.Config.Set("APT::Architecture",arch)
cache = apt.Cache(apt.progress.OpTextProgress())
prog = apt.progress.TextFetchProgress()
cache.update(prog)
cache.open(apt.progress.OpTextProgress())
map(lambda pkg: dist.pkgs_in_comp[comp].add(pkg.name), cache)
# check what is no longer in main
no_longer_main = old.pkgs_in_comp["main"] - new.pkgs_in_comp["main"]
no_longer_main |= old.pkgs_in_comp["restricted"] - new.pkgs_in_comp["restricted"]
# check what moved to universe and what was removed (or renamed)
in_universe = lambda pkg: pkg in new.pkgs_in_comp["universe"] or pkg in new.pkgs_in_comp["multiverse"]
# debug
#not_in_universe = lambda pkg: not in_universe(pkg)
#print filter(not_in_universe, no_longer_main)
# this stuff was demoted and is no in universe
demoted = filter(in_universe, no_longer_main)
demoted.sort()
outfile = "demoted.cfg"
print "writing the demotion info to '%s'" % outfile
# write it out
out = open(outfile,"w")
out.write("# demoted packages\n")
out.write("\n".join(demoted))
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